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  1. 010 学術雑誌論文
  2. 印南, 秀樹 / INNAN, Hideki

Variations in Hd1 proteins, Hd3a promoters, and Ehd1 expression levels contribute to diversity of flowering time in cultivated rice

https://ir.soken.ac.jp/records/4488
https://ir.soken.ac.jp/records/4488
e27921e5-93f0-4443-9e24-1d72caef269c
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-05-09
タイトル
タイトル Variations in Hd1 proteins, Hd3a promoters, and Ehd1 expression levels contribute to diversity of flowering time in cultivated rice
タイトル
タイトル Variations in Hd1 proteins, Hd3a promoters, and Ehd1 expression levels contribute to diversity of flowering time in cultivated rice
言語 en
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 TAKAHASHI, Yasuyuki

× TAKAHASHI, Yasuyuki

TAKAHASHI, Yasuyuki

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INNAN, Hideki

× INNAN, Hideki

INNAN, Hideki

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et, al.

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et, al.

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著者別名 印南, 秀樹

× 印南, 秀樹

印南, 秀樹

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抄録
内容記述タイプ Abstract
内容記述 Rice is a facultative short-day plant, and molecular genetic studies have identified the major genes involved in short-day flowering. However, the molecular mechanisms promoting the diversity of flowering time in cultivated rice are not known. We used a core collection of 64 rice cultivars that represent the genetic diversity of 332 accessions from around the world and studied the expression levels and polymorphisms of 6 genes in the short-day flowering pathway. The RNA levels of Heading date 3a (Hd3a), encoding a floral activator, are highly correlated with flowering time, and there is a high degree of polymorphism in the Heading date 1 (Hd1) protein, which is a major regulator of Hd3a expression. Functional and nonfunctional alleles of Hd1 are associated with early and late flowering, respectively, suggesting that Hd1 is a major determinant of variation in flowering time of cultivated rice. We also found that the type of Hd3a promoter and the level of Ehd1 expression contribute to the diversity in flowering time and Hd3a expression level. We evaluated the contributions of these 3 factors by a statistical analysis using a simple linear model, and the results supported our experimental observations.
書誌情報 Proceedings of the National Academy of Sciences of the United States of America
en : Proceedings of the National Academy of Sciences of the United States of America

巻 106, 号 11, p. 4555-4560, 発行日 2009-03-17
出版者
出版者 National Academy of Sciences
ISSN
収録物識別子タイプ ISSN
収録物識別子 1091-6490
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1073/pnas.0812092106
関連名称 10.1073/pnas.0812092106
権利
権利情報 © 2009 by The National Academy of Sciences of the USA
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