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BPG3 is a novel chloroplast protein that involves the greening of leaves and related to brassinosteroid signaling
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- Eriko Yoshizawa
- Antibiotic Lab, RIKEN, Wako, Japan
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- Mai Kaizuka
- Antibiotic Lab, RIKEN, Wako, Japan
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- Ayumi Yamagami
- Antibiotic Lab, RIKEN, Wako, Japan
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- Mieko Higuchi-Takeuchi
- Center for Sustainable Resource Science, RIKEN, Tsurumi-ku, Yokohama, Japan
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- Minami Matsui
- Center for Sustainable Resource Science, RIKEN, Tsurumi-ku, Yokohama, Japan
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- Yusuke Kakei
- Kihara Institute for Biological Research, Yokohama City University, Yokohama, Japan
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- Yukihisa Shimada
- Kihara Institute for Biological Research, Yokohama City University, Yokohama, Japan
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- Masaaki Sakuta
- Department of Biological Science, Ochanomizu University, Tokyo, Japan
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- Hiroyuki Osada
- Antibiotic Lab, RIKEN, Wako, Japan
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- Tadao Asami
- Antibiotic Lab, RIKEN, Wako, Japan
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- Takeshi Nakano
- Antibiotic Lab, RIKEN, Wako, Japan
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Description
<jats:title>Abstract</jats:title> <jats:p>Brassinosteroids are plant steroid hormones that regulate plant organs and chloroplast development. The detailed molecular mechanism for plant development by BR signaling is yet to be revealed, and many points regarding the relationship between BR signaling and chloroplast development remain unknown. We identify here the dominant mutant Brz-insensitive-pale green3-1D (bpg3-1D) from the Arabidopsis FOX lines that show reduced sensitivity to the chlorophyll accumulation promoted by the BR biosynthesis inhibitor, Brassinazole (Brz), in the light. BPG3 encodes a novel chloroplast protein that is evolutionally conserved in bacteria, algae, and higher plants. The expression of BPG3 was induced by light and Brz. The inhibition of electron transport in photosystem II of the chloroplasts was detected in bpg3-1D. These results suggest that BPG3 played an important role in regulating photosynthesis in the chloroplast under BR signaling.</jats:p>
Journal
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 78 (3), 420-429, 2014-03-04
Informa UK Limited
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Details 詳細情報について
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- CRID
- 1360285709148709120
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- ISSN
- 13476947
- 09168451
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- Article Type
- journal article
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- Data Source
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- Crossref
- KAKEN
- OpenAIRE
