Phytochrome-mediated photomorphogenesis in plants

被引:32
作者
Han, Yun-Jeong
Song, Pill-Soon
Kim, Jeong-Il [1 ]
机构
[1] Chonnam Natl Univ, Dept Mol Biotechnol, Kwangju 500757, South Korea
[2] Chonnam Natl Univ, Kumho Life Sci Lab, Kwangju 500757, South Korea
[3] Jeju Natl Univ, Fac Biotechnol, Cheju 590756, South Korea
[4] Gyeongsang Natl Univ, Environm Biotechnol Natl Core Res Ctr, Jinju 660701, South Korea
关键词
light; photomorphogenesis; photoreceptor; phytochrome; signaling;
D O I
10.1007/BF03030650
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Photomorphogenesis is the process by which plants grow and develop in response to light signals. This process is mediated by a sophisticated network of photoreceptors among which phytochromes play a key role. Phytochrome-mediated photomorphogenic responses are characterized by the complex variety of relationships between light input and physiological outputs, including germination, de-etiolation, shade avoidance, circadian rhythm, and flowering. Recent studies have resulted in several important advances, and have revealed the major consequences of phytochrome activity in terms of controlling protein subcellular localization, transcription, protein stability, and protein phosphorylation. In addition, many downstream components in the phytochrome signaling have now been identified, and a complex, highly regulated signaling network is envisaged. Here, we review the current knowledge about red/far-red photoreceptor phytochromes and provide a comprehensive summary of the phytochrome-mediated photomorphogenesis signaling network.
引用
收藏
页码:230 / 240
页数:11
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