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  1. 010 学術雑誌論文
  2. 渡辺, 正勝 / WATANABE, Masakatsu

Action spectra for phytochrome A- and B-specific photoinduction of seed germination in Arabidopsis thaliana

https://ir.soken.ac.jp/records/3930
https://ir.soken.ac.jp/records/3930
f442dfd5-e778-4af6-9a0c-20a663cac981
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-08-27
タイトル
タイトル Action spectra for phytochrome A- and B-specific photoinduction of seed germination in Arabidopsis thaliana
タイトル
言語 en
タイトル Action spectra for phytochrome A- and B-specific photoinduction of seed germination in Arabidopsis thaliana
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 SHINOMURA, Tomoko

× SHINOMURA, Tomoko

WEKO 2018

SHINOMURA, Tomoko

Search repository
NAGATANI, Akira

× NAGATANI, Akira

WEKO 2000

NAGATANI, Akira

Search repository
HANZAWA, Hiroko

× HANZAWA, Hiroko

WEKO 2019

HANZAWA, Hiroko

Search repository
KUBOTA, Mamoru

× KUBOTA, Mamoru

WEKO 1836

KUBOTA, Mamoru

Search repository
WATANABE, Masakatsu

× WATANABE, Masakatsu

WEKO 346

WATANABE, Masakatsu

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FURUYA, Masaki

× FURUYA, Masaki

WEKO 1991

FURUYA, Masaki

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著者別名 渡辺, 正勝

× 渡辺, 正勝

WEKO 345
NRID 1000040124226
e-Rad 40124226

渡辺, 正勝

Search repository
抄録
内容記述タイプ Abstract
内容記述 We have examined the seed germination in Arabidopsis thaliana of wild type (wt), and phytochrome A (PhyA)- and B (PhyB)-mutants in terms of incubation time and environmental light effects. Seed germination of the wt and PhyA-null mutant (phyA) was photoreversibly regulated by red and far-red lights of 10-1,000 μmol m-2 when incubated in darkness for 1-14 hr, but no germination occurred in PhyB-null mutant (phyB). When wt seeds and the phyB mutant seeds were incubated in darkness for 48 hr, they synthesized PhyA during dark incubation and germinated upon exposure to red light of 1-100 nmol m-2 and far-red light of 0.5-10 μmol m-2, whereas the phyA mutant showed no such response. The results indicate that the seed germination is regulated by PhyA and PhyB but not by other phytochromes, and the effects of PhyA and PhyB are separable in this assay. We determined action spectra separately for PhyA- and PhyB-specific induction of seed germination at Okazaki large spectrograph. Action spectra for the PhyA response show that monochromatic 300-780 nm lights of very low fluence induced the germination, and this induction was not photoreversible in the range examined. Action spectra for the PhyB response show that germination was photoreversibly regulated by alternate irradiations with light of 0.01-1 mmol m-2 at wavelengths of 540-690 nm and 695-780 nm. The present work clearly demonstrated that PhyA photoirreversibly triggers the germination upon irradiations with ultraviolet, visible and far-red light of very low fluence, while PhyB controls the photoreversible effects of low fluence.
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 93, 号 15, p. 8129-8133, 発行日 1996-07
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 10916490
PubMed番号
識別子タイプ PMID
関連識別子 8755615
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1073/pnas.93.15.8129
関連名称 10.1073/pnas.93.15.8129
権利
権利情報 © National Academy of Sciences
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