2026/03/11 更新

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写真a

カワウラ カナコ
川浦 香奈子
Kanako Kawaura
所属
生命ナノシステム科学研究科 生命環境システム科学専攻 准教授
理学部 理学科
職名
准教授
外部リンク

学位

  • 博士(農学) ( 京都大学 )

研究キーワード

  • コムギ

  • ゲノム

  • 種子貯蔵タンパク質

  • 遺伝子発現

  • アレルギー

  • 遺伝子

  • 発現遺伝子

  • グルテン

研究分野

  • 環境・農学 / 遺伝育種科学

学歴

  • 京都大学大学院農学研究科

    1997年4月 - 1999年3月

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  • 京都大学   農学部

    - 1997年

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    国名: 日本国

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経歴

  • 横浜市立大学   准教授

    2015年

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  • 横浜市立大学 木原生物学研究所   准教授

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所属学協会

論文

  • Purifying selection on deleterious variants affected by the combination of subgenomes and gene expression in bread wheat

    Gwyneth Halstead-Nussloch, Moeko Okada, Georg Haberer, Thomas Lux, A.S.M. Faridul Islam, Masaomi Hatakeyama, Roman Briskine, Benjamen White, Anthony Hall, Curtis Pozniak, Sean Walkowiak, Valentyna Klymiuk, Brook Byrns, Kirby Nilsen, Jennifer Ens, Krystalee Wiebe, Amidou N’ Diaye, Pierre J. Hucl, Curtis Pozniak, Bin Xiao Fu, Liangliang Gao, Emily Delorean, Dal-Hoe Koo, Allen K. Fritz, Jesse A. Poland, Cecile Monat, Axel Himmelbach, Anne Fiebig, Sudharsan Padmarasu, Uwe Scholz, Martin Mascher, Nils Stein, Georg Haberer, Heidrun Gundlach, Klaus F.X. Mayer, Manuel Spannagl, Mulualem T. Kassa, Pierre Fobert, Sateesh Kagale, Jemima Brinton, Ricardo H. Ramirez-Gonzalez, Michael Bevan, Neil McKenzie, Burkhard Steuernagel, Cristobal Uauy, Markus C. Kolodziej, Simon G. Krattinger, Beat Keller, Thomas Wicker, Dinushika Thambugala, Curt A. McCartney, Venkat Bandi, Jorge Nunez Siri, Carl Gutwin, Catharine Aquino, Masaomi Hatakeyama, Dario Copetti, Gwyneth Halstead-Nussloch, Timothy Paape, Rie Shimizu-Inatsugi, Kentaro K. Shimizu, Tomohiro Ban, Kanako Kawaura, Toshiaki Tameshige, Hiroyuki Tsuji, Luca Venturini, Matthew Clark, BernardoClavijo, Christine Fosker, Gonzalo Garcia Accinelli, Darren Heavens, Ksenia Krasileva, David Swarbreck, Jonathan Wright, Anthony Hall, Keith A. Gardner, Nick Fradgley, Lawrence Percival-Alwyn, James Cockram, Juan Gutierrez-Gonzalez, Gary Muehlbauer, Chu Shin Koh, Andrew G. Sharpe, Jasline Deek, Alejandro C. Costamagna, Hiroyuki Kanamori, Fuminori Kobayashi, Tsuyoshi Tanaka, Jianzhong Wu, Hirokazu Handa, Tony Kuo, Jun Sese, Kazuki Murata, Yusuke Nabeka, Shuhei Nasuda, Philomin Juliana, Ravi Singh, Hikmet Budak, Ian Small, Joanna Melonek, Sylvie Cloutier, Gabriel Keeble-Gagnère, Josquin Tibbets, Erik Legg, Arvind Bharti, Peter Langridge, KenChalmers, Assaf Distelfeld, Manuel Spannagl, Timothy Paape, Kentaro K. Shimizu

    Cell Reports   116785 - 116785   2026年1月

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    掲載種別:研究論文(学術雑誌)   出版者・発行元:Elsevier BV  

    DOI: 10.1016/j.celrep.2025.116785

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  • De novo annotation reveals transcriptomic complexity across the hexaploid wheat pan-genome

    Benjamen White, Thomas Lux, Rachel Rusholme-Pilcher, Angéla Juhász, Gemy Kaithakottil, Susan Duncan, James Simmonds, Hannah Rees, Jonathan Wright, Joshua Colmer, Sabrina Ward, Ryan Joynson, Benedict Coombes, Naomi Irish, Suzanne Henderson, Tom Barker, Helen Chapman, Leah Catchpole, Karim Gharbi, Utpal Bose, Moeko Okada, Hirokazu Handa, Shuhei Nasuda, Kentaro K. Shimizu, Heidrun Gundlach, Daniel Lang, Guy Naamati, Erik J. Legg, Arvind K. Bharti, Michelle L. Colgrave, Wilfried Haerty, Cristobal Uauy, David Swarbreck, Philippa Borrill, Jesse A. Poland, Simon G. Krattinger, Nils Stein, Klaus F. X. Mayer, Curtis Pozniak, Sean Walkowiak, Valentyna Klymiuk, Brook Byrns, Kirby Nilsen, Jennifer Ens, Krystalee Wiebe, Amidou N’Diaye, Pierre J. Hucl, Curtis J. Pozniak, Bin Xiao Fu, Liangliang Gao, Emily Delorean, Dal-Hoe Koo, Allen K. Fritz, Jesse Poland, Cecile Monat, Axel Himmelbach, Anne Fiebig, Sudharsan Padmarasu, Uwe Scholz, Martin Mascher, Georg Haberer, Mulualem T. Kassa, Pierre Fobert, Sateesh Kagale, Jemima Brinton, Ricardo H. Ramirez-Gonzalez, Michael Bevan, Neil McKenzie, Burkhard Steuernagel, Markus C. Kolodziej, Simon G. Krattinger, Beat Keller, Thomas Wicker, Dinushika Thambugala, Curt A. McCartney, Venkat Bandi, Jorge Nunez Siri, Carl Gutwin, Catharine Aquino, Masaomi Hatakeyama, Dario Copetti, Gwyneth Halstead-Nussloch, Timothy Paape, Rie Shimizu-Inatsugi, Kentaro K. Shimizu, Tomohiro Ban, Kanako Kawaura, Toshiaki Tameshige, Hiroyuki Tsuji, Luca Venturini, Matthew Clark, Bernardo Clavijo, Christine Fosker, Gonzalo Garcia Accinelli, Darren Heavens, Ksenia Krasileva, Keith A. Gardner, Nick Fradgley, Lawrence Percival-Alwyn, James Cockram, Juan Gutierrez-Gonzalez, Gary Muehlbauer, Chu Shin Koh, Andrew G. Sharpe, Jasline Deek, Alejandro C. Costamagna, Hiroyuki Kanamori, Fuminori Kobayashi, Tsuyoshi Tanaka, Jianzhong Wu, Hirokazu Handa, Tony Kuo, Jun Sese, Kazuki Murata, Yusuke Nabeka, Shuhei Nasuda, Philomin Juliana, Ravi Singh, Hikmet Budak, Ian Small, Joanna Melonek, Sylvie Cloutier, Gabriel Keeble-Gagnère, Josquin Tibbets, Erik Legg, Arvind Bharti, Peter Langridge, Ken Chalmers, Assaf Distelfeld, Manuel Spannagl, Anthony Hall

    Nature Communications   16 ( 1 )   2025年10月

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    掲載種別:研究論文(学術雑誌)   出版者・発行元:Springer Science and Business Media LLC  

    Abstract

    Wheat is the most widely cultivated crop in the world, with over 215 million hectares grown annually. The 10+ Wheat Genomes Project recently sequenced and assembled to chromosome-level the genomes of nine wheat cultivars, uncovering genetic diversity and selection within the pan-genome of wheat. Here, we provide a wheat pan-transcriptome with de novo annotation and differential expression analysis for these wheat cultivars across multiple tissues. Using the de novo annotations we identify cultivar-specific genes and define the core and dispensable genomes. Expression analysis across cultivars and tissues reveals conservation in expression between a large core set of homeologous genes, in addition to widespread changes in subgenome homeolog expression bias between cultivars and cultivar-specific expression profiles. We utilise both the newly constructed gene-based wheat pan-genome and pan-transcriptome, demonstrating variation in the prolamin superfamily and immune-reactive proteins across cultivars.

    DOI: 10.1038/s41467-025-64046-1

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    その他リンク: https://www.nature.com/articles/s41467-025-64046-1

  • Decrease in purifying selection pressures on wheat homoeologous genes: tetraploidization versus hexaploidization 査読

    Akihiro Ezoe, Daisuke Todaka, Yoshinori Utsumi, Satoshi Takahashi, Kanako Kawaura, Motoaki Seki

    The Plant Journal   120 ( 3 )   1190 - 1205   2024年10月

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    掲載種別:研究論文(学術雑誌)   出版者・発行元:Wiley  

    SUMMARY

    A series of polyploidizations in higher‐order polyploids is the main event affecting gene content in a genome. Each polyploidization event can lead to massive functional divergence because of the subsequent decrease in selection pressure on duplicated genes; however, the causal relationship between multiple rounds of polyploidization and the functional divergence of duplicated genes is poorly understood. We focused on the Triticum–Aegilops complex lineage and compared selection pressure before and after tetraploidization and hexaploidization events. Although both events led to decreased selection pressure on homoeologous gene pairs (compared with diploids and tetraploids), the initial tetraploidization had a greater impact on selection pressure on homoeologous gene pairs than did subsequent hexaploidization. Consistent with this, selection pressure on expression patterns for the initial event relaxed more than those for the subsequent event. Surprisingly, the decreased selection pressure on these homoeologous genes was independent of the existence of in‐paralogs within the same subgenome. Wheat homoeologous pairs had different evolutionary consequences compared with orthologs related to other mechanisms (ancient allopolyploidization, ancient autopolyploidization, and small‐scale duplication). Furthermore, tetraploidization and hexaploidization also seemed to have different evolutionary consequences. This suggests that homoeologous genes retain unique functions, including functions that are unlikely to be preserved in genes generated by the other duplication mechanisms. We found that their unique functions differed between tetraploidization and hexaploidization (e.g., reproductive and chromosome segregation processes). These findings imply that the substantial number of gene pairs resulting from multiple allopolyploidization events, especially initial tetraploidization, may have been a unique source of functional divergence.

    DOI: 10.1111/tpj.17047

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  • Genome Editing to Produce Knockout Mutations of Seed Dormancy Genes in Wheat. 査読 国際誌

    Fumitaka Abe, Yoko Kamiya, Yuji Ishida, Hiroshi Hisano, Kanako Kawaura, Toshihiko Komari, Kazuhiro Sato

    Methods in molecular biology (Clifton, N.J.)   2830   137 - 148   2024年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Knockout mutants provide definitive information about the functions of genes related to agronomic traits, including seed dormancy. However, it takes many years to produce knockout mutants using conventional techniques in polyploid plants such as hexaploid wheat. Genome editing with sequence-specific nucleases is a promising approach for obtaining knockout mutations in all targeted homoeologs of wheat simultaneously. Here, we describe a procedure to produce a triple recessive mutant in wheat via genome editing. This protocol covers the evaluation of gRNA and Agrobacterium-mediated transformation to obtain edited wheat seedlings.

    DOI: 10.1007/978-1-0716-3965-8_13

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  • Characterization of alpha-gliadin alleles of Japanese wheat cultivars in relation to flour dough extensibility and celiac disease epitopes 査読

    Satoshi Noma, Miki Yamagishi, Yasunari Ogihara, Kanako Kawaura

    JOURNAL OF CEREAL SCIENCE   109   2023年1月

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    担当区分:責任著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.jcs.2022.103591

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  • Optimizing genome editing efficiency in wheat: Effects of heat treatments and different promoters for single guide RNA expression 査読

    Mitsuko Kishi-Kaboshi, Fumitaka Abe, Yoko Kamiya, Kanako Kawaura, Hiroshi Hisano, Kazuhiro Sato

    Plant Biotechnology   40 ( 3 )   237 - 245   2023年

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    掲載種別:研究論文(学術雑誌)   出版者・発行元:Japanese Society for Plant Cell and Molecular Biology  

    DOI: 10.5511/plantbiotechnology.23.0717a

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  • Ethanol-Mediated Novel Survival Strategy against Drought Stress in Plants 査読

    Khurram Bashir, Daisuke Todaka, Sultana Rasheed, Akihiro Matsui, Zarnab Ahmad, Kaori Sako, Yoshinori Utsumi, Anh Thu Vu, Maho Tanaka, Satoshi Takahashi, Junko Ishida, Yuuri Tsuboi, Shunsuke Watanabe, Yuri Kanno, Eigo Ando, Kwang-Chul Shin, Makoto Seito, Hinata Motegi, Muneo Sato, Rui Li, Saya Kikuchi, Miki Fujita, Miyako Kusano, Makoto Kobayashi, Yoshiki Habu, Atsushi J Nagano, Kanako Kawaura, Jun Kikuchi, Kazuki Saito, Masami Yokota Hirai, Mitsunori Seo, Kazuo Shinozaki, Toshinori Kinoshita, Motoaki Seki

    Plant and Cell Physiology   63 ( 9 )   1181 - 1192   2022年8月

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    掲載種別:研究論文(学術雑誌)   出版者・発行元:Oxford University Press (OUP)  

    Abstract

    Water scarcity is a serious agricultural problem causing significant losses to crop yield and product quality. The development of technologies to mitigate the damage caused by drought stress is essential for ensuring a sustainable food supply for the increasing global population. We herein report that the exogenous application of ethanol, an inexpensive and environmentally friendly chemical, significantly enhances drought tolerance in Arabidopsis thaliana, rice and wheat. The transcriptomic analyses of ethanol-treated plants revealed the upregulation of genes related to sucrose and starch metabolism, phenylpropanoids and glucosinolate biosynthesis, while metabolomic analysis showed an increased accumulation of sugars, glucosinolates and drought-tolerance-related amino acids. The phenotyping analysis indicated that drought-induced water loss was delayed in the ethanol-treated plants. Furthermore, ethanol treatment induced stomatal closure, resulting in decreased transpiration rate and increased leaf water contents under drought stress conditions. The ethanol treatment did not enhance drought tolerance in the mutant of ABI1, a negative regulator of abscisic acid (ABA) signaling in Arabidopsis, indicating that ABA signaling contributes to ethanol-mediated drought tolerance. The nuclear magnetic resonance analysis using 13C-labeled ethanol indicated that gluconeogenesis is involved in the accumulation of sugars. The ethanol treatment did not enhance the drought tolerance in the aldehyde dehydrogenase (aldh) triple mutant (aldh2b4/aldh2b7/aldh2c4). These results show that ABA signaling and acetic acid biosynthesis are involved in ethanol-mediated drought tolerance and that chemical priming through ethanol application regulates sugar accumulation and gluconeogenesis, leading to enhanced drought tolerance and sustained plant growth. These findings highlight a new survival strategy for increasing crop production under water-limited conditions.

    DOI: 10.1093/pcp/pcac114

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    その他リンク: https://academic.oup.com/pcp/article-pdf/63/9/1181/45852399/pcac114.pdf

  • Comparative transcriptome analysis of synthetic and common wheat in response to salt stress 査読

    Rio Nakayama, Mohammad Taheb Safi, Waisuddin Ahmadzai, Kazuhiro Sato, Kanako Kawaura

    Scientific Reports   12 ( 1 )   11534   2022年7月

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    担当区分:責任著者   掲載種別:研究論文(学術雑誌)   出版者・発行元:Springer Science and Business Media LLC  

    Abstract

    Salt stress reduces wheat yield. Therefore, improvement for enhanced salt stress tolerance is necessary for stable production. To understand the molecular mechanism of salt tolerance in common wheat and synthetic hexaploid (SH) wheat, RNA sequencing was performed on the roots of three wheat lines salt-tolerant SH wheat, salt-tolerant common wheat, and salt-sensitive common wheat. Differentially expressed genes (DEGs) in response to salt stress were characterized using gene ontology enrichment analysis. Salt tolerance in common wheat has been suggested to be mainly regulated by the activation of transporters. In contrast, salt tolerance in SH wheat is enhanced through up-regulation of the reactive oxygen species signaling pathway, other unknown pathways, and different ERF transcription factors. These results indicate that salt tolerance is differentially controlled between common wheat and SH wheat. Furthermore, QTL analysis was performed using the F<sub>2</sub> population derived from SH and salt-sensitive wheat. No statistically significant QTL was detected, suggesting that numerous QTLs with negligible contributions are involved in salt tolerance in SH wheat. We also identified DEGs specific to each line near one probable QTL. These findings show that SH wheat possesses salt tolerance mechanisms lacking in common wheat and may be potential breeding material for salt tolerance.

    DOI: 10.1038/s41598-022-15733-2

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    その他リンク: https://www.nature.com/articles/s41598-022-15733-2

  • Ethanol induces heat tolerance in plants by stimulating unfolded protein response. 査読 国際誌

    Matsui A, Todaka D, Tanaka M, Mizunashi K, Takahashi S, Sunaoshi Y, Tsuboi Y, Ishida J, Bashir K, Kikuchi J, Kusano M, Kobayashi M, Kawaura K, Seki M

    Plant molecular biology   110 ( 1-2 )   131 - 145   2022年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    KEY MESSAGE: Ethanol priming induces heat stress tolerance by the stimulation of unfolded protein response. Global warming increases the risk of heat stress-related yield losses in agricultural crops. Chemical priming, using safe agents, that can flexibly activate adaptive regulatory responses to adverse conditions, is a complementary approach to genetic improvement for stress adaptation. In the present study, we demonstrated that pretreatment of Arabidopsis with a low concentration of ethanol enhances heat tolerance without suppressing plant growth. We also demonstrated that ethanol pretreatment improved leaf growth in lettuce (Lactuca sativa L.) plants grown in the field conditions under high temperatures. Transcriptome analysis revealed a set of genes that were up-regulated in ethanol-pretreated plants, relative to water-pretreated controls. Binding Protein 3 (BIP3), an endoplasmic reticulum (ER)-stress marker chaperone gene, was among the identified up-regulated genes. The expression levels of BIP3 were confirmed by RT-qPCR. Root-uptake of ethanol was metabolized to organic acids, nucleic acids, amines and other molecules, followed by an increase in putrescine content, which substantially promoted unfolded protein response (UPR) signaling and high-temperature acclimation. We also showed that inhibition of polyamine production and UPR signaling negated the heat stress tolerance induced by ethanol pretreatment. These findings collectively indicate that ethanol priming activates UPR signaling via putrescine accumulation, leading to enhanced heat stress tolerance. The information gained from this study will be useful for establishing ethanol-mediated chemical priming strategies that can be used to help maintain crop production under heat stress conditions.

    DOI: 10.1007/s11103-022-01291-8

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  • Multiple Wheat Genomes Reveal Novel Gli-2 Sublocus Location and Variation of Celiac Disease Epitopes in Duplicated α-Gliadin Genes 査読

    Gwyneth Halstead-Nussloch, Tsuyoshi Tanaka, Dario Copetti, Timothy Paape, Fuminori Kobayashi, Masaomi Hatakeyama, Hiroyuki Kanamori, Jianzhong Wu, Martin Mascher, Kanako Kawaura, Kentaro K. Shimizu, Hirokazu Handa

    Frontiers in Plant Science   12   2021年9月

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    掲載種別:研究論文(学術雑誌)   出版者・発行元:Frontiers Media SA  

    The seed protein α-gliadin is a major component of wheat flour and causes gluten-related diseases. However, due to the complexity of this multigene family with a genome structure composed of dozens of copies derived from tandem and genome duplications, little was known about the variation between accessions, and thus little effort has been made to explicitly target α-gliadin for bread wheat breeding. Here, we analyzed genomic variation in α-gliadins across 11 recently published chromosome-scale assemblies of hexaploid wheat, with validation using long-read data. We unexpectedly found that the <italic>Gli-B2</italic> locus is not a single contiguous locus but is composed of two subloci, suggesting the possibility of recombination between the two during breeding. We confirmed that the number of immunogenic epitopes among 11 accessions varied. The D subgenome of a European spelt line also contained epitopes, in agreement with its hybridization history. Evolutionary analysis identified amino acid sites under diversifying selection, suggesting their functional importance. The analysis opens the way for improved grain quality and safety through wheat breeding.

    DOI: 10.3389/fpls.2021.715985

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  • Geographical distribution and adaptive variation of VRN-A3 alleles in worldwide polyploid wheat (Triticum spp.) species collection. 査読 国際誌

    Kazusa Nishimura, Hirokazu Handa, Naoki Mori, Kanako Kawaura, Akira Kitajima, Tetsuya Nakazaki

    Planta   253 ( 6 )   132 - 132   2021年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    MAIN CONCLUSION: The distribution of early flowering alleles of VRN-A3 was found to be biased to low latitudes, and these alleles may contribute to environmental adaptability to low latitudes in cultivated emmer wheat. In wheat (Triticum spp.), the flowering time is an important trait for successful seed production and yield by adapting to the regional environment. An early flowering allele of VRN-A3 with 7- and 25-bp insertions in the promoter region (Vrn-A3a-h1) has recently been reported from the analysis of an emmer wheat (Triticum turgidum L. ssp. dicoccum) accession, TN26. This early flowering allele of VRN-A3 might be associated with the regional adaptation of wheat. In this study, we elucidated its geographic distribution to assess the importance of the early flowering allele of VRN-A3 in worldwide wheat collection. From sequence analysis, we identified six VRN-A3 alleles with the 7- and 25-bp insertions, namely, Vrn-A3a-h2, Vrn-A3a-h3, Vrn-A3a-h4, Vrn-A3a-h5, Vrn-A3a-h6, and Vrn-A3c-h2 from wild emmer wheat, while we identified two VRN-A3 alleles with these insertions, Vrn-A3a-h2 and Vrn-A3c-h1 from cultivated tetraploid and hexaploid wheat species in addition to Vrn-A3a-h1. Among VRN-A3 alleles distributed in cultivated wheat, we found that Vrn-A3a-h2 promoted early heading, whereas Vrn-A3c-h1 did not affect heading time. Our analysis showed that the distribution of early flowering alleles of VRN-A3 dominated in cultivated emmer wheat in Ethiopia and India, which actually showed an early flowering phenotype. This implied that the early flowering alleles of VRN-A3 contribute to adaptability to a low-latitude environment in cultivated emmer wheat. We could not find durum (T. turgidum L. ssp. durum) and bread wheat (T. aestivum L. ssp. aestivum) accessions with these early flowering alleles. Our findings indicated that Vrn-A3a-h1 and Vrn-A3a-h2 were useful for breeding of early flowering cultivars in durum and bread wheat varieties.

    DOI: 10.1007/s00425-021-03646-9

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  • In planta Genome Editing in Commercial Wheat Varieties. 査読 国際誌

    Yuelin Liu, Weifeng Luo, Qianyan Linghu, Fumitaka Abe, Hiroshi Hisano, Kazuhiro Sato, Yoko Kamiya, Kanako Kawaura, Kazumitsu Onishi, Masaki Endo, Seiichi Toki, Haruyasu Hamada, Yozo Nagira, Naoaki Taoka, Ryozo Imai

    Frontiers in plant science   12   648841 - 648841   2021年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Limitations for the application of genome editing technologies on elite wheat (Triticum aestivum L.) varieties are mainly due to the dependency on in vitro culture and regeneration capabilities. Recently, we developed an in planta particle bombardment (iPB) method which has increased process efficiency since no culture steps are required to create stably genome-edited wheat plants. Here, we report the application of the iPB method to commercially relevant Japanese elite wheat varieties. The biolistic delivery of gold particles coated with plasmids expressing CRISPR/Cas9 components designed to target TaQsd1 were bombarded into the embryos of imbibed seeds with their shoot apical meristem (SAM) exposed. Mutations in the target gene were subsequently analyzed within flag leaf tissue by using cleaved amplified polymorphic sequence (CAPS) analysis. A total of 9/358 (2.51%) of the bombarded plants (cv. "Haruyokoi," spring type) carried mutant alleles in the tissue. Due to the chimeric nature of the T0 plants, only six of them were inherited to the next (T1) generation. Genotypic analysis of the T2 plants revealed a single triple-recessive homozygous mutant of the TaQsd1 gene. Compared to wild type, the homozygous mutant exhibited a 7 days delay in the time required for 50% seed germination. The iPB method was also applied to two elite winter cultivars, "Yumechikara" and "Kitanokaori," which resulted in successful genome editing at slightly lower efficiencies as compared to "Haruyokoi." Taken together, this report demonstrates that the in planta genome editing method through SAM bombardment can be applicable to elite wheat varieties that are otherwise reluctant to callus culture.

    DOI: 10.3389/fpls.2021.648841

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  • Multiple wheat genomes reveal global variation in modern breeding. 査読 国際誌

    Sean Walkowiak, Liangliang Gao, Cecile Monat, Georg Haberer, Mulualem T Kassa, Jemima Brinton, Ricardo H Ramirez-Gonzalez, Markus C Kolodziej, Emily Delorean, Dinushika Thambugala, Valentyna Klymiuk, Brook Byrns, Heidrun Gundlach, Venkat Bandi, Jorge Nunez Siri, Kirby Nilsen, Catharine Aquino, Axel Himmelbach, Dario Copetti, Tomohiro Ban, Luca Venturini, Michael Bevan, Bernardo Clavijo, Dal-Hoe Koo, Jennifer Ens, Krystalee Wiebe, Amidou N'Diaye, Allen K Fritz, Carl Gutwin, Anne Fiebig, Christine Fosker, Bin Xiao Fu, Gonzalo Garcia Accinelli, Keith A Gardner, Nick Fradgley, Juan Gutierrez-Gonzalez, Gwyneth Halstead-Nussloch, Masaomi Hatakeyama, Chu Shin Koh, Jasline Deek, Alejandro C Costamagna, Pierre Fobert, Darren Heavens, Hiroyuki Kanamori, Kanako Kawaura, Fuminori Kobayashi, Ksenia Krasileva, Tony Kuo, Neil McKenzie, Kazuki Murata, Yusuke Nabeka, Timothy Paape, Sudharsan Padmarasu, Lawrence Percival-Alwyn, Sateesh Kagale, Uwe Scholz, Jun Sese, Philomin Juliana, Ravi Singh, Rie Shimizu-Inatsugi, David Swarbreck, James Cockram, Hikmet Budak, Toshiaki Tameshige, Tsuyoshi Tanaka, Hiroyuki Tsuji, Jonathan Wright, Jianzhong Wu, Burkhard Steuernagel, Ian Small, Sylvie Cloutier, Gabriel Keeble-Gagnère, Gary Muehlbauer, Josquin Tibbets, Shuhei Nasuda, Joanna Melonek, Pierre J Hucl, Andrew G Sharpe, Matthew Clark, Erik Legg, Arvind Bharti, Peter Langridge, Anthony Hall, Cristobal Uauy, Martin Mascher, Simon G Krattinger, Hirokazu Handa, Kentaro K Shimizu, Assaf Distelfeld, Ken Chalmers, Beat Keller, Klaus F X Mayer, Jesse Poland, Nils Stein, Curt A McCartney, Manuel Spannagl, Thomas Wicker, Curtis J Pozniak

    Nature   588 ( 7837 )   277 - 283   2020年12月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Advances in genomics have expedited the improvement of several agriculturally important crops but similar efforts in wheat (Triticum spp.) have been more challenging. This is largely owing to the size and complexity of the wheat genome1, and the lack of genome-assembly data for multiple wheat lines2,3. Here we generated ten chromosome pseudomolecule and five scaffold assemblies of hexaploid wheat to explore the genomic diversity among wheat lines from global breeding programs. Comparative analysis revealed extensive structural rearrangements, introgressions from wild relatives and differences in gene content resulting from complex breeding histories aimed at improving adaptation to diverse environments, grain yield and quality, and resistance to stresses4,5. We provide examples outlining the utility of these genomes, including a detailed multi-genome-derived nucleotide-binding leucine-rich repeat protein repertoire involved in disease resistance and the characterization of Sm16, a gene associated with insect resistance. These genome assemblies will provide a basis for functional gene discovery and breeding to deliver the next generation of modern wheat cultivars.

    DOI: 10.1038/s41586-020-2961-x

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  • De Novo Genome Assembly of the Japanese Wheat Cultivar Norin 61 Highlights Functional Variation in Flowering Time and Fusarium Resistance Genes in East Asian Genotypes. 査読

    Kentaro K Shimizu, Dario Copetti, Moeko Okada, Thomas Wicker, Toshiaki Tameshige, Masaomi Hatakeyama, Rie Shimizu-Inatsugi, Catharine Aquino, Kazusa Nishimura, Fuminori Kobayashi, Kazuki Murata, Tony Kuo, Emily Delorean, Jesse Poland, Georg Haberer, Manuel Spannagl, Klaus F X Mayer, Juan Gutierrez-Gonzalez, Gary J Muehlbauer, Cecile Monat, Axel Himmelbach, Sudharsan Padmarasu, Martin Mascher, Sean Walkowiak, Tetsuya Nakazaki, Tomohiro Ban, Kanako Kawaura, Hiroyuki Tsuji, Curtis Pozniak, Nils Stein, Jun Sese, Shuhei Nasuda, Hirokazu Handa

    Plant & cell physiology   62 ( 1 )   8 - 27   2020年11月

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    Bread wheat is a major crop that has long been the focus of basic and breeding research. Assembly of its genome has been difficult because of its large size and allohexaploid nature (AABBDD genome). Following the first reported assembly of the genome of the experimental strain Chinese Spring (CS), the 10+ Wheat Genomes Project was launched to produce multiple assemblies of worldwide modern cultivars. The only Asian cultivar in the project is Norin 61, a representative Japanese cultivar adapted to grow across a broad latitudinal range, mostly characterized by a wet climate and a short growing season. Here, we characterize key aspects of its chromosome-scale genome assembly spanning 15 Gb with a raw scaffold N50 of 23 Mb. Analysis of the repetitive elements identified chromosomal regions unique to Norin 61 that encompass a tandem array of the pathogenesis-related-13 family. We report novel copy-number variations in the B homeolog of the florigen gene FT1/VRN3, pseudogenization of its D homeolog, and the association of its A homeologous alleles with the spring/winter growth habit. Further, the Norin 61 genome carries typical East Asian functional variants from CS ranging from a single nucleotide to multi-Mb scale. Examples of such variation are the Fhb1 locus, which confers Fusarium head-blight resistance, Ppd-D1a, which confers early flowering, Glu-D1f for Asian noodle quality, and Rht-D1b, which introduced semi-dwarfism during the green revolution. The adoption of Norin 61 as a reference assembly for functional and evolutionary studies will enable comprehensive characterization of the underexploited Asian bread wheat diversity.

    DOI: 10.1093/pcp/pcaa152

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  • A rapid method for detection of mutations induced by CRISPR/Cas9-based genome editing in common wheat 査読

    Yoko Kamiya, Fumitaka Abe, Masafumi Mikami, Masaki Endo, Kanako Kawaura

    PLANT BIOTECHNOLOGY   37 ( 2 )   247 - 251   2020年6月

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    担当区分:責任著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.5511/plantbiotechnology.20.0404b

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  • Genome-Edited Triple-Recessive Mutation Alters Seed Dormancy in Wheat. 査読 国際誌

    Fumitaka Abe, Emdadul Haque, Hiroshi Hisano, Tsuyoshi Tanaka, Yoko Kamiya, Masafumi Mikami, Kanako Kawaura, Masaki Endo, Kazumitsu Onishi, Takeshi Hayashi, Kazuhiro Sato

    Cell reports   28 ( 5 )   1362 - 1369   2019年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    Common wheat has three sets of sub-genomes, making mutations difficult to observe, especially for traits controlled by recessive genes. Here, we produced hexaploid wheat lines with loss of function of homeoalleles of Qsd1, which controls seed dormancy in barley, by Agrobacterium-mediated CRISPR/Cas9. Of the eight transformed wheat events produced, three independent events carrying multiple mutations in wheat Qsd1 homeoalleles were obtained. Notably, one line had mutations in every homeoallele. We crossed this plant with wild-type cultivar Fielder to generate a transgene-free triple-recessive mutant, as revealed by Mendelian segregation. The mutant showed a significantly longer seed dormancy period than wild-type, which may result in reduced pre-harvest sprouting of grains on spikes. PCR, southern blotting, and whole-genome shotgun sequencing revealed that this segregant lacked transgenes in its genomic sequence. This technique serves as a model for trait improvement in wheat, particularly for genetically recessive traits, based on locus information from diploid barley.

    DOI: 10.1016/j.celrep.2019.06.090

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  • Contribution of α-gliadin alleles to the extensibility of flour dough in Japanese wheat cultivars 査読

    Noma S, Hayakawa K, Abe C, Suzuki S, Kawaura K

    Journal of Cereal Science   86   15 - 21   2019年3月

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    担当区分:責任著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

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  • Molecular characterization of gliadins of Chinese Spring wheat in relation to celiac disease elicitors. 査読

    Kawaura K, Miura M, Kamei Y, Ikeda TM, Ogihara Y

    Genes & genetic systems   93 ( 1 )   9 - 20   2018年1月

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    担当区分:筆頭著者, 責任著者  

    DOI: 10.1266/ggs.17-00034

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  • Transcriptome of Homoeologous Genes Deduced from the Full-Length cDNA Clones of Common Wheat, Triticum aestivum L 査読

    Mishina K, Kawaura K, Kamiya Y, Kajita Y, Mochida K, Tarui H, Tagami M, Suzuki N, Kawai J, Nakamura Y, Yano K, Ogihara Y

    Journal of Genetics & Genomic Sci   3   007   2018年

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  • Acetate-mediated novel survival strategy against drought in plants 査読

    Jong-Myong Kim, Taiko Kim To, Akihiro Matsui, Keitaro Tanoi, Natsuko I. Kobayashi, Fumio Matsuda, Yoshiki Habu, Daisuke Ogawa, Takuya Sakamoto, Sachihiro Matsunaga, Khurram Bashir, Sultana Rasheed, Marina Ando, Hiroko Takeda, Kanako Kawaura, Miyako Kusano, Atsushi Fukushima, Takaho A. Endo, Takashi Kuromori, Junko Ishida, Taeko Morosawa, Maho Tanaka, Chieko Torii, Yumiko Takebayashi, Hitoshi Sakakibara, Yasunari Ogihara, Kazuki Saito, Kazuo Shinozaki, Alessandra Devoto, Motoaki Seki

    NATURE PLANTS   3 ( 7 )   17097   2017年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1038/nplants.2017.97

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  • A Causal Gene for Seed Dormancy on Wheat Chromosome 4A Encodes a MAP Kinase Kinase 査読

    Atsushi Torada, Michiya Koike, Taiichi Ogawa, Yu Takenouchi, Kazuki Tadamura, Jianzhong Wu, Takashi Matsumoto, Kanako Kawaura, Yasunari Ogihara

    CURRENT BIOLOGY   26 ( 6 )   782 - 787   2016年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.cub.2016.01.063

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  • Comprehensive molecular characterization of the α/β-gliadin multigene family in hexaploid wheat. 査読

    Noma S, Kawaura K, Hayakawa K, Abe C, Tsuge N, Ogihara Y

    Molecular genetics and genomics : MGG   291 ( 1 )   65 - 77   2016年2月

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    担当区分:筆頭著者, 責任著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00438-015-1086-7

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  • TaqSH1-D, wheat ortholog of rice seed shattering gene qSH1, maps to the interval of a rachis fragility QTL on chromosome 3DL of common wheat (Triticum aestivum) 査読

    Mazen Katkout, Shun Sakuma, Kanako Kawaura, Yasunari Ogihara

    GENETIC RESOURCES AND CROP EVOLUTION   62 ( 7 )   979 - 984   2015年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s10722-015-0301-z

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  • Comparison of genome-wide gene expression patterns in the seedlings of nascent allohexaploid wheats produced by two combinations of hybrids. 査読

    Jung Y, Kawaura K, Kishii M, Sakuma S, Ogihara Y

    Genes & genetic systems   90 ( 2 )   79 - 88   2015年

  • Changes in genome-wide gene expression during allopolyploidization and genome stabilization in hexaploid wheat 査読

    Yeonju Jung, Kanako Kawaura, Kohei Mishina, Shun Sakuma, Masahiro Kishii, Yasunari Ogihara

    GENES & GENETIC SYSTEMS   89 ( 5 )   215 - 225   2014年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1266/ggs.89.215

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  • QTL analysis of genetic loci affecting domestication-related spike characters in common wheat 査読

    Mazen Katkout, Masahiro Kishii, Kanako Kawaura, Kouhei Mishina, Shun Sakuma, Kazuko Umeda, Shigeo Takumi, Miyuki Nitta, Shuhei Nasuda, Yasunari Ogihara

    GENES & GENETIC SYSTEMS   89 ( 3 )   121 - 131   2014年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1266/ggs.89.121

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  • Identification of a novel homolog for a calmodulin-binding protein that is upregulated in alloplasmic wheat showing pistillody 査読

    Mika Yamamoto, Naoki Shitsukawa, Maki Yamada, Keisuke Kato, Shigeo Takumi, Kanako Kawaura, Yasunari Ogihara, Koji Murai

    PLANTA   237 ( 4 )   1001 - 1013   2013年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00425-012-1812-x

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  • Effects of barley chromosome addition to wheat on behavior and development of Locusta migratoria nymphs 査読

    Shunji Suematsu, Ken-Ichi Harano, Seiji Tanaka, Kanako Kawaura, Yasunari Ogihara, Yasuhiko Watari, Osamu Saito, Makoto Tokuda

    Scientific Reports   3   2577   2013年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1038/srep02577

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  • Genome change in wheat observed through the structure and expression of alpha/beta-gliadin genes 査読

    K. Kawaura, J. Wu, T. Matsumoto, H. Kanamori, S. Katagiri, Y. Ogihara

    FUNCTIONAL & INTEGRATIVE GENOMICS   12 ( 2 )   341 - 355   2012年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s10142-012-0269-0

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  • Comprehensive Functional Analyses of Expressed Sequence Tags in Common Wheat (Triticum aestivum) 査読

    Alagu Manickavelu, Kanako Kawaura, Kazuko Oishi, Tadasu Shin-I, Yuji Kohara, Nabila Yahiaoui, Beat Keller, Reina Abe, Ayako Suzuki, Taishi Nagayama, Kentaro Yano, Yasunari Ogihara

    DNA RESEARCH   19 ( 2 )   165 - 177   2012年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1093/dnares/dss001

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  • Overexpression of Q/q-related homoeoalleles of hexaploid wheat reveals distinct recovery of flower transformation in the apetala2 mutant of Arabidopsis 査読

    Parisa Abdollahi, Yoko Kamiya, Kanako Kawaura, Yasunari Ogihara

    PLANT BIOTECHNOLOGY   29 ( 3 )   245 - 252   2012年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.5511/plantbiotechnology.12.0224a

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  • Effect of barley chromosome addition on the susceptibility of wheat to feeding by a gall-inducing leafhopper 査読

    Shun Kumashiro, Keiichiro Matsukura, Kanako Kawaura, Masaya Matsumura, Yasunari Ogihara, Makoto Tokuda

    NATURWISSENSCHAFTEN   98 ( 11 )   983 - 987   2011年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00114-011-0846-4

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  • A New Insight into Application for Barley Chromosome Addition Lines of Common Wheat: Achievement of Stigmasterol Accumulation 査読

    Jianwei Tang, Kiyoshi Ohyama, Kanako Kawaura, Hiromi Hashinokuchi, Yoko Kamiya, Masashi Suzuki, Toshiya Muranaka, Yasunari Ogihara

    PLANT PHYSIOLOGY   157 ( 3 )   1555 - 1567   2011年11月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1104/pp.111.183533

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  • A Wheat Homolog of MOTHER OF FT AND TFL1 Acts in the Regulation of Germination 査読

    Shingo Nakamura, Fumitaka Abe, Hiroyuki Kawahigashi, Kou Nakazono, Akemi Tagiri, Takashi Matsumoto, Shigeko Utsugi, Taiichi Ogawa, Hirokazu Handa, Hiroki Ishida, Masahiko Mori, Kanako Kawaura, Yasunari Ogihara, Hideho Miura

    PLANT CELL   23 ( 9 )   3215 - 3229   2011年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1105/tpc.111.088492

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  • Heteroplasmy and expression of mitochondrial genes in alloplasmic and euplasmic wheat 査読

    Kanako Kawaura, Asuka Saeki, Takehiro Masumura, Shigeto Morita, Yasunari Ogihara

    GENES & GENETIC SYSTEMS   86 ( 4 )   249 - 255   2011年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1266/ggs.86.249

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  • Molecular mapping of quantitative trait loci for domestication traits and β-glucan content in a wheat recombinant inbred line population 査読

    Manickavelu A, Kawaura K, Imamura H, Mori M, Ogihara Y

    Euphytica   177 ( 2 )   179 - 190   2011年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s10681-010-0217-9

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  • Comparative Gene Expression Analysis of Susceptible and Resistant Near-Isogenic Lines in Common Wheat Infected by Puccinia triticina 査読

    Alagu Manickavelu, Kanako Kawaura, Kazuko Oishi, Tadasu Shin-I, Yuji Kohara, Nabila Yahiaoui, Beat Keller, Ayako Suzuki, Kentaro Yano, Yasunari Ogihara

    DNA RESEARCH   17 ( 4 )   211 - 222   2010年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1093/dnares/dsq009

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  • Assessment of adaptive evolution between wheat and rice as deduced from full-length common wheat cDNA sequence data and expression patterns 査読

    Kanako Kawaura, Keiichi Mochida, Akiko Enju, Yasushi Totoki, Atsushi Toyoda, Yoshiyuki Sakaki, Chikatoshi Kai, Jun Kawai, Yoshihide Hayashizaki, Motoaki Seki, Kazuo Shinozaki, Yasunari Ogihara

    BMC GENOMICS   10   271   2009年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1186/1471-2164-10-271

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  • Genome-wide analysis for identification of salt-responsive genes in common wheat 査読

    Kanako Kawaura, Keiichi Mochida, Yasunari Ogihara

    FUNCTIONAL & INTEGRATIVE GENOMICS   8 ( 3 )   277 - 286   2008年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s10142-008-0076-9

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  • Development of abiotic stress tolerance via bZIP-type transcription factor LIP19 in common wheat 査読

    Fuminori Kobayashi, Eri Maeta, Akihiro Terashima, Kanako Kawaura, Yasunari Ogihara, Shigeo Takumi

    JOURNAL OF EXPERIMENTAL BOTANY   59 ( 4 )   891 - 905   2008年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1093/jxb/ern014

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  • Structures of the three homoeologous loci of wheat benzoxazinone biosynthetic genes TaBx3 and TaBx4 and characterization of their promoter sequences 査読

    Taiji Nomura, Shuhei Nasuda, Kanako Kawaura, Yasunari Ogihara, Nobuhiko Kato, Fumihiko Sato, Toshio Kojima, Atsushi Toyoda, Hajime Iwamura, Takashi R. Endo

    THEORETICAL AND APPLIED GENETICS   116 ( 3 )   373 - 381   2008年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00122-007-0675-1

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  • Genetic and epigenetic alteration among three homoeologous genes of a class E MADS box gene in hexaploid wheat 査読

    Naoki Shitsukawa, Chikako Tahira, Ken-ichiro Kassai, Chizuru Hirabayashi, Tomoaki Shimizu, Shigeo Takumi, Keiichi Mochida, Kanako Kawaura, Yasunari Ogihara, Koji Murai

    PLANT CELL   19 ( 6 )   1723 - 1737   2007年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1105/tpc.107.051813

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  • Sequence upstream of the wheat (Triticum aestivum L.) ALMT1 gene and its relationship to aluminum resistance 査読

    Takayuki Sasaki, Peter R. Ryan, Emmanuel Delhaize, Diane M. Hebb, Yasunari Ogihara, Kanako Kawaura, Kazuhiro Noda, Toshio Kojima, Atsushi Toyoda, Hideaki Matsumoto, Yoko Yamamoto

    PLANT AND CELL PHYSIOLOGY   47 ( 10 )   1343 - 1354   2006年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1093/pcp/pcl002

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  • Tissue expression map of a large number of expressed sequence tags and its application to in silico screening of stress response genes in common wheat 査読

    Keiichi Mochida, Kanako Kawaura, Etsuo Shimosaka, Naoto Kawakami, Tadasu Shin-, Yuji Kohara, Yukiko Yamazaki, Yasunari Ogihara

    MOLECULAR GENETICS AND GENOMICS   276 ( 3 )   304 - 312   2006年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s00438-006-0120-1

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  • Isolation and characterization of SSR sequences from the genome and TAC clones of common wheat using the PCR technique 査読

    M Koike, K Kawaura, Y Ogihara, A Torada

    GENOME   49 ( 5 )   432 - 444   2006年5月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1139/G06-001

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  • Transcriptome analysis of salinity stress responses in common wheat using a 22k oligo-DNA microarray 査読

    Kanako Kawaura, Keiichi Mochida, Yukiko Yamazaki, Yasunari Ogihara

    Functional and Integrative Genomics   6 ( 2 )   132 - 142   2006年3月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1007/s10142-005-0010-3

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  • Expression profile of two storage-protein gene families in hexaploid wheat revealed by large-scale analysis of expressed sequence tags 査読

    K Kawaura, K Mochida, Y Ogihara

    PLANT PHYSIOLOGY   139 ( 4 )   1870 - 1880   2005年12月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1104/pp.105.070722

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  • Construction of a full-length cDNA library from young spikelets of hexaploid wheat and its characterization by large-scale sequencing of expressed sequence tags 査読

    Y Ogihara, K Mochida, K Kawaura, K Murai, M Seki, A Kamiya, K Shinozaki, P Carninci, Y Hayashizaki, T Shin-I, Y Kohara, Y Yamazaki

    GENES & GENETIC SYSTEMS   79 ( 4 )   227 - 232   2004年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1266/ggs.79.227

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  • Development of an efficient maintenance and screening system for large-insert genomic DNA libraries of hexaploid wheat in a transformation-competent artificial chromosome (TAC) vector 査読

    YG Liu, K Nagaki, M Fujita, K Kawaura, M Uozumi, Y Ogihara

    PLANT JOURNAL   23 ( 5 )   687 - 695   2000年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

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  • Identification of Marker Loci for Seed Dormancy in Rice (Oryza sativa L.) 査読

    J. Wan, T. Nakazaki, K. Kawaura, H. Ikehashi

    Crop Science   37 ( 6 )   1759 - 1763   1997年11月

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    掲載種別:研究論文(学術雑誌)   出版者・発行元:Wiley  

    DOI: 10.2135/cropsci1997.0011183x003700060015x

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▼全件表示

MISC

  • コムギにおけるgRNA発現プロモーターと培養温度のゲノム編集効率への影響

    加星光子, 安倍史高, 神谷容子, 川浦香奈子, 久野裕, 佐藤和広

    育種学研究   24   2022年

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  • 国際コムギ10+ゲノムプロジェクト品種におけるalpha-グリアジン遺伝子座Gli-2の構造解析

    半田裕一, 半田裕一, 清水健太郎, 清水健太郎, GWYNETH Halstead-Nussloch, 田中剛, TIMOTHY Paape, DARIO Copetti, 小林史典, 畠山剛臣, 畠山剛臣, 金森裕之, WU J., 川浦香奈子, POZNIAK Curtis J.

    育種学研究   22   2020年

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  • パンコムギ農林61号のde novoゲノム解読と国際コムギ10ゲノムプロジェクト

    清水健太郎, 清水健太郎, 半田裕一, 半田裕一, 那須田周平, 瀬々潤, 瀬々潤, 川浦香奈子, 辻寛之, 爲重才覚, 坂智広, DARIO Copetti, 畠山剛臣, 畠山剛臣, 清水(稲継)理恵, CATHARINE Aquino, 小林史典, GUTIERREZ-GONZALEZ Juan, STEIN Nils, DELOREAN Emily, PAAPE Tim, HALSTEAD-NUSSLOCH Gwyneth, HABERER Georg, SPANNAGL Manuel, MAYER Klaus, MASCHER Martin, HIMMELBACH Axel, PADMARASU Sudharsan, WICKER Thomas, POZNIAK Curtis J.

    育種学研究   22   2020年

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  • ゲノム編集技術による穂発芽耐性の改良されたコムギ育種素材

    安倍史高, ハク エムダドウル, 久野裕, 田中剛, 神谷容子, 三上雅史, 川浦香奈子, 遠藤真咲, 大西一光, 林武司, 佐藤和広

    農研機構次世代作物開発研究センター成果情報(Web)   2019   2019年

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  • Molecular characterization of alpha/beta-gliadin multigene loci in hexaploid wheat as revealed by their organizations, expressions and evolutions

    Kanako Kawaura, Wu Jianzhong, Takashi Matsumoto, Hiroyuki Kanamori, Satoshi Katagiri, Yasunari Ogihara

    GENES & GENETIC SYSTEMS   86 ( 6 )   411 - 411   2011年12月

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    記述言語:英語   掲載種別:研究発表ペーパー・要旨(国際会議)  

    Web of Science

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  • Effect of barley chromosome addition on the susceptibility of wheat to feeding by gall-inducing leafhopper, Cicadulina bipunctata (Hemiptera: Cicadellidae)

    S. Kumashiro, K. Matsukura, K. Kawaura, M. Matsumura, Y. Ogihara, M. Tokuda

    PHYTOPATHOLOGY   101 ( 6 )   S94 - S94   2011年6月

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    記述言語:英語   掲載種別:研究発表ペーパー・要旨(国際会議)  

    Web of Science

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  • Genome organization of alpha/beta-gliadin multigenes in common wheat

    Kanako Kawaura, Wu Jianzhong, Takashi Matsumoto, Hiroyuki Kanamori, Satoshi Katagiri, Yasunari Ogihara

    GENES & GENETIC SYSTEMS   85 ( 6 )   428 - 428   2010年12月

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    記述言語:英語   掲載種別:研究発表ペーパー・要旨(国際会議)  

    Web of Science

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  • Genetic and epigenetic alteration among three homoeologous genes of a MADS-box gene in hexaploid wheat

    Koji Murai, Naoki Shitsukawa, Shigeo Takumi, Keiichi Mochida, Kanako Kawaura, Yasunari Ogihara

    GENES & GENETIC SYSTEMS   82 ( 6 )   534 - 534   2007年12月

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    記述言語:英語   掲載種別:研究発表ペーパー・要旨(国際会議)  

    Web of Science

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  • Silencing of paternally transmitted mitochondrial genes in alloplasmic wheat

    Yasunari Ogihara, Asuka Saeki, Shigeto Morita, Takehiro Masumura, Shigeru Satoh, Kanako Kawaura

    GENES & GENETIC SYSTEMS   82 ( 6 )   521 - 521   2007年12月

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    記述言語:英語   掲載種別:研究発表ペーパー・要旨(国際会議)  

    Web of Science

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  • Microarray analysis of salt-responsive genes in common wheat

    Kanako Kawaura, Keiichi Mochida, Yasunari Ogihara

    GENES & GENETIC SYSTEMS   81 ( 6 )   437 - 437   2006年12月

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    記述言語:英語   掲載種別:研究発表ペーパー・要旨(国際会議)  

    Web of Science

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  • Transcriptome analysis of wheat leaves developed at low temperature during long-terrn cold acclimation

    E Shimosaka, K Kawaura, Y Sato, Y Ogihara

    PLANT AND CELL PHYSIOLOGY   46   S118 - S118   2005年

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    記述言語:英語   掲載種別:研究発表ペーパー・要旨(国際会議)  

    Web of Science

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  • コムギのゲノム科学 X. : コムギ完全長cDNAマイクロアレーの作成

    荻原 保成, 持田 恵一, 川浦 香奈子, 平野 僚子, 辻本 敦美

    育種学研究 = Breeding research   4   113 - 113   2002年8月

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    記述言語:日本語  

    CiNii Books

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  • DNAマイクロアレイを用いたコムギ頴花分化期における遺伝子発現モニタリング

    飯田 竜資, 川浦 香奈子, 村井 耕二, 辻本 敦美, 荻原 保成

    育種学研究 = Breeding research   4 ( 1 )   47 - 47   2002年3月

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    記述言語:日本語  

    CiNii Books

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共同研究・競争的資金等の研究課題

  • パンコムギのアレルゲンとなるグルテンタンパク質を包括的に制御する転写因子の同定

    研究課題/領域番号:22K05574  2022年4月 - 2025年3月

    日本学術振興会  科学研究費助成事業  基盤研究(C)

    川浦 香奈子

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    配分額:4160000円 ( 直接経費:3200000円 、 間接経費:960000円 )

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  • ゲノム編集によりグルテンを改変した低アレルゲン小麦の作出

    研究課題/領域番号:19K05977  2019年4月 - 2023年3月

    日本学術振興会  科学研究費助成事業  基盤研究(C)

    川浦 香奈子

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    配分額:4290000円 ( 直接経費:3300000円 、 間接経費:990000円 )

    パンコムギにおける種子貯蔵タンパク質の多重遺伝子それぞれの発現を制御する転写因子を特定し、多重遺伝子の発現制御機構を明らかにすること、ゲノム編集技術を用いて転写因子の機能欠損体を作出し、低アレルゲン化したコムギの作出を目的とした。
    ゲノム編集を行うコムギ品種Fielderにおいて、種子貯蔵タンパク質遺伝子の発現を調節する転写因子として報告のあるSPA、SHP(O2-like)、およびWPBFの遺伝子発現パターンを調べた。また、種子貯蔵タンパク質の中で、ゲノム中にコピー数が比較的少ない高分子グルテニンサブユニット(HMW-GS)をコードする遺伝子について、Fielderにおけるコピー数と発現調節領域のシス配列をゲノムデータから調べた。転写因子とHMW-GSの遺伝子発現の発現パターンをqRT-PCRにより定量した結果、それぞれ種子登熟期の胚乳で発現しており、HMW-GSの発現とSPAとWPBFの発現に正の相関が見られたが、SHPは逆のパターンが見られた。また、転写因子の同祖遺伝子間で発現パターンが異なることが示された。
    パンコムギのCRISPR/Cas9システムによるゲノム編集の変異導入を行うため、前年度はRNPによる変異導入を目指したが、変異導入効率を上げることができなかったため、今年度はCas9とgRNAを発現するプラスミドベクターをパーティクルデリバリーシステムでコムギ未熟胚に導入した。標的配列の特異性による変異導入効率向上を目的とし、SPA、SHPについて標的配列の再検討を行った。プラスミドベクターを導入した未熟胚からDNAを抽出し、ゲノム編集効率を調べたところ、数%の変異導入が認められたため、今後は再生させ、ゲノム編集個体の評価を行っていく予定である。

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  • パンコムギにおけるアレルギーの原因となる種子貯蔵タンパク質特異的抑制因子の同定

    研究課題/領域番号:15K07261  2015年4月 - 2019年3月

    日本学術振興会  科学研究費助成事業  基盤研究(C)

    川浦 香奈子

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    配分額:4940000円 ( 直接経費:3800000円 、 間接経費:1140000円 )

    コムギにおいて、多重遺伝子にコードされるグリアジン分子種の特徴づけを目的とした。コムギの種子貯蔵タンパク質の中で、グリアジンは特にコードする遺伝子のコピー数が多く、一部がヒトのアレルギーやセリアック病の原因となる。パンコムギの染色体異数体系統の種子からグリアジンを抽出し、二次元電気泳動により比較した。グリアジンは70個に分離でき、それぞれをコードする遺伝子座を同定した。その中で、セリアック病の原因となるグリアジンの遺伝子座が欠失している系統を見出した。また、このグリアジンに特異的な抗体を作製した。これらの系統や抗体を用いることで、低アレルゲン小麦作出へ応用できると考えられた。

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  • 低アレルゲン小麦作出を目指したコムギ種子貯蔵タンパク質遺伝子の網羅的解析

    研究課題/領域番号:24580011  2012年4月 - 2015年3月

    日本学術振興会  科学研究費助成事業  基盤研究(C)

    川浦 香奈子

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    配分額:5460000円 ( 直接経費:4200000円 、 間接経費:1260000円 )

    小麦アレルギーの原因となる種子貯蔵タンパク質について、アレルゲンのエピトープ特異的抗体による抗原抗体反応量を265系統の六倍体コムギ系統間で比較し、反応性の異なる系統を明らかにした。また、パンコムギ実験標準系統Chinese Spring(CS)およびCSの染色体異数体系統の種子からグリアジンタンパク質を抽出し二次元電気泳動を行った。分離した70タンパク質スポットうち、52スポットのコードする遺伝子の座乗する染色体を特定した。さらに、アレルギーの原因となるグリアジンタンパク質を同定し、そのタンパク質を特異的に抑制する因子がCSに存在することを明らかにした。

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  • トノサマバッタはなぜオオムギを食べない?植食者の寄主と非寄主を決定する要因の探索

    研究課題/領域番号:24658054  2012年4月 - 2014年3月

    日本学術振興会  科学研究費助成事業  挑戦的萌芽研究

    徳田 誠, 田中 誠二, 川浦 香奈子, 軸丸 裕介

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    配分額:4030000円 ( 直接経費:3100000円 、 間接経費:930000円 )

    様々なイネ科植物を摂食するがオオムギは摂食しないというトノサマバッタの寄主特異性に着目し、オオムギ品種Betzesの染色体を1対ずつコムギに導入したオオムギ染色体導入コムギ系統を用いて、トノサマバッタの行動や寄主選好性、生存率や発育期間に影響を及ぼすオオムギ側の要因を解明すべく研究に取り組んだ。
    コムギを与えて幼虫を飼育したときに比べ、オオムギ染色体導入コムギ系統6Hで生存率が有意に減少し,2Hで1齢および2齢幼虫期間が有意に遅延し。以上より、オオムギの6番染色体および2番染色体には、それぞれトノサマバッタの生存および発育に負の影響を与える遺伝的要因が含まれていることが示唆された。

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  • 小麦アレルギーの原因となるグリアジンをコードする遺伝子の同定

    研究課題/領域番号:22780006  2010年 - 2011年

    日本学術振興会  科学研究費助成事業  若手研究(B)

    川浦 香奈子

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    配分額:3640000円 ( 直接経費:2800000円 、 間接経費:840000円 )

    パンコムギの種子貯蔵タンパク質において小麦アレルギーの原因となるタンパク質の抗体反応を定量するシステムを確立し、実際に抗体反応量の異なるコムギ系統を選抜した。一方で、種子貯蔵タンパク質の中でアレルギーの原因ともなるα/β-グリアジンをコードする多重遺伝子が座乗する領域のゲノム解析を行い、ゲノム中で高度に重複する様式を推定し、重複した遺伝子が個別に発現調節されていることを明らかにした。

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  • 異種染色体導入コムギを用いたイネ科害虫の寄主決定メカニズムに関する研究

    研究課題/領域番号:21200066  2009年 - 2011年

    日本学術振興会  科学研究費助成事業  新学術領域研究(研究課題提案型)

    徳田 誠, 軸丸 裕介, 川浦 香奈子, 松倉 啓一郎, 神谷 勇治, 荻原 保成, 松村 正哉, 田中 誠二

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    配分額:27430000円 ( 直接経費:21100000円 、 間接経費:6330000円 )

    オオムギ染色体導入コムギ系統、および、コムギは摂食するがオオムギは摂食しないトノサマバッタ、コムギにはゴール(虫こぶ)を形成するがオオムギにはゴールを形成しないフタテンチビヨコバイを用いて、オオムギの有用虫害抵抗性遺伝子を探索することを目的とした。ヨコバイおよびバッタの各オオムギ染色体導入コムギに対する感受性を調べ、ゴール形成や摂食阻害のメカニズムを考察した。また、マイクロアレイによる発現動態解析により関連する植物遺伝子を探索した。

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  • 異質倍数性植物コムギにおけるステロール代謝パスウエイの特性解析

    研究課題/領域番号:21580080  2009年 - 2011年

    日本学術振興会  科学研究費助成事業  基盤研究(C)

    村中 俊哉, 永田 典子, 一色 正之, 川浦 香奈子, 大山 清

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    配分額:4940000円 ( 直接経費:3800000円 、 間接経費:1140000円 )

    コムギにおけるステロール類のプロファイル(質ならびに量)を改変することにより、コムギに新たな機能性を付与することが期待できる。ところがコムギは異質六倍体であること、形質転換植物の作成が困難であることなどから、コムギにおけるステロール代謝パスウエイに関する知見は皆無に等しかった。本研究によりコムギにおけるステロール代謝パスウエイに係わる推定酵素遺伝子13種を同定した。さらに、機能性ステロールであるスティグマステロール生合成に係わるステロールC-22不飽和化酵素をコードする3種のコムギP450であるCYP710Aサブファミリーを単離し、ゲノムマッピングにより同祖遺伝子TaCYP710A8-A, TaCYP710A8-B, TaCYP710A8-Dを明らかにするとともに、発現解析ならびにシロイヌナズナを用いた機能解析によりその機能差異を明らかにすることができた。

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  • グルテン特性の改変に向けたパンコムギ種子貯蔵タンパク質遺伝子の発現機構の解明

    研究課題/領域番号:19780005  2007年 - 2008年

    日本学術振興会  科学研究費助成事業  若手研究(B)

    川浦 香奈子

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    配分額:3450000円 ( 直接経費:3000000円 、 間接経費:450000円 )

    小麦粉のグルテンを構成する種子貯蔵タンパク質は多重遺伝子族にコードされており、コムギのゲノム中に多コピー存在する。中でもコピー数の多いα/βグリアジン遺伝子は、個別の遺伝子発現パターンが異なる。遺伝子の座乗する染色体領域のゲノム構造を解析し、α/βグリアジン遺伝子は反復配列を介した不等交叉によりコピー数が増加し、発現調節も分化したことが示唆された。そのため、品種間で発現するα/βグリアジン遺伝子が異なることが示された。

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