Involvement of the CYP78A Subfamily of Cytochrome P450 Monooxygenases in Protonema Growth and Gametophore Formation in the Moss Physcomitrella patens
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概要
- 論文の詳細を見る
CYP78 is a plant-specific family of cytochrome P450 monooxygenases, some members of which regulate the plastochron length and organ size in angiosperms. The CYP78 family appears to be highly conserved in land plants, but there have been no reports on the role of CYP78s in bryophytes. The moss, Physcomitrella patens, possesses two CYP78As, CYP78A27 and CYP78A28. We produced single and double mutants and overexpression lines for CYP78A27 and CYP78A28 by gene targeting to investigate the function of CYP78As in P. patens. Neither the cyp78a27 nor cyp78a28 single mutant showed any obvious phenotype, while the double mutant exhibited severely retarded protonemal growth and gametophore development. The endogenous levels of some plant hormones were also altered in the double mutant. Transgenic lines that overexpressed CYP78A27 or CYP78A28 showed delayed and reduced bud formation. Our results suggest that CYP78As participate in the synthesis of a critical growth regulator in P. patens.
- 社団法人 日本農芸化学会の論文
- 2011-02-23
著者
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Kamiya Y
Riken Plant Science Center
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NATSUME Masahiro
United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology
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KAWAIDE Hiroshi
United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology
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Higashi K
Gene Research Center Institute Of Biological Sciences University Of Tsukuba
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KATSUMATA Takumi
United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology
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FUKAZAWA Jutarou
RIKEN Plant Science Center
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MAGOME Hiroshi
RIKEN Plant Science Center
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JIKUMARU Yusuke
RIKEN Plant Science Center
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KAMIYA Yuji
RIKEN Plant Science Center
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YAMAGUCHI Shinjiro
RIKEN Plant Science Center
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Kamiya Y
Riken Kanagawa Jpn
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Kamiya Yuji
Riken
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Kamada H
Gene Res. Center Graduate School Of Life And Environmental Sciences Univ. Of Tsukuba
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Yamaguchi Shinjiro
Plant Science Center Riken
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Yamaguchi Shinjiro
Frontier Research Program Riken
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Kamiya Y
Growth Regulation Research Group Riken Plant Science Center
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Kawaide H
Graduate School Of Life And Environmental Sciences University Of Tsukuba
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Kanno Yuri
Department Of Bioresource Engineering Yamagata University
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Yamaguchi S
Riken Plant Science Center
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Jikumaru Yusuke
Riken Kanagawa Jpn
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Kawaide Hiroshi
United Graduate School Of Agricultural Sci. Tokyo Univ. Of Agriculture And Technol.
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Kawaide Hiroshi
Institute Of Symbiotic Science And Technology Tokyo University Of Agriculture And Technology
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Natsume M
Institute Of Symbiotic Science And Technology Tokyo University Of Agriculture And Technology
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KAMIYA Yuki
Faculty of Agriculture, Niigata University
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Natsume Masahiro
United Graduate School Of Agricultural Science Tokyo University Of Agriculture And Technology
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Katsumata Takumi
United Graduate School Of Agricultural Science Tokyo University Of Agriculture And Technology
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Kamada Hiroshi
Gene Res. Center Graduate School Of Life And Environmental Sciences Univ. Of Tsukuba
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