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https://hdl.handle.net/20.500.14094/90007928
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2024-04-23
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90007928 (fulltext)
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メタデータID
90007928
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open access
出版タイプ
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タイトル
Genome Triplication Leads to Transcriptional Divergence of FLOWERING LOCUS C Genes During Vernalization in the Genus Brassica
著者
Akter, Ayasha ; Itabashi, Etsuko ; Kakizaki, Tomohiro ; Okazaki, Keiichi ; Dennis, Elizabeth S. ; Fujimoto, Ryo
著者名
Akter, Ayasha
著者名
Itabashi, Etsuko
著者名
Kakizaki, Tomohiro
著者名
Okazaki, Keiichi
著者名
Dennis, Elizabeth S.
著者ID
A0337
研究者ID
1000060620375
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=2d794652078d165f520e17560c007669
著者名
Fujimoto, Ryo
藤本, 龍
フジモト, リョウ
所属機関名
農学研究科
収録物名
Frontiers in Plant Science
巻(号)
11
ページ
619417-619417
出版者
Frontiers Media
刊行日
2021-02-09
公開日
2021-03-10
抄録
The genus Brassica includes oil crops, vegetables, condiments, fodder crops, and ornamental plants. Brassica species underwent a whole genome triplication event after speciation between ancestral species of Brassica and closely related genera including Arabidopsis thaliana. Diploid species such as Brassica rapa and Brassica oleracea have three copies of genes orthologous to each A. thaliana gene, although deletion in one or two of the three homologs has occurred in some genes. The floral transition is one of the crucial events in a plant's life history, and time of flowering is an important agricultural trait. There is a variation in flowering time within species of the genus Brassica, and this variation is largely dependent on a difference in vernalization requirements. In Brassica, like in A. thaliana, the key gene of vernalization is FLOWERING LOCUS C (FLC). In Brassica species, the vernalization response including the repression of FLC expression by cold treatment and the enrichment of the repressive histone modification tri-methylated histone H3 lysine 27 (H3K27me3) at the FLC locus is similar to A. thaliana. B. rapa and B. oleracea each have four paralogs of FLC, and the allotetraploid species, Brassica napus, has nine paralogs. The increased number of paralogs makes the role of FLC in vernalization more complicated; in a single plant, paralogs vary in the expression level of FLC before and after vernalization. There is also variation in FLC expression levels between accessions. In this review, we focus on the regulatory circuits of the vernalization response of FLC expression in the genus Brassica.
キーワード
FLOWERING LOCUS C
vernalization
epigenetics
non-coding RNA
Brassica
カテゴリ
農学研究科
学術雑誌論文
権利
© 2021 Akter, Itabashi, Kakizaki, Okazaki, Dennis and Fujimoto.
This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
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資源タイプ
journal article
言語
English (英語)
eISSN
1664-462X
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関連情報
DOI
https://doi.org/10.3389/fpls.2020.619417
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