LAF1 Positively Regulates PhyA Signaling by Modulation of COP1 Activity

被引：1

作者：

Jang, In-Cheol ^{[3
]}

Song, Jong Tae ^{[4
]}

Bhoo, Seong Hee ^{[5
]}

Seo, Hak Soo ^{[1
,2
]}

机构：

[1] Seoul Natl Univ, Dept Plant Sci, Seoul 151921, South Korea

[2] Seoul Natl Univ, Bio MAX Inst, Seoul 151818, South Korea

[3] Rockefeller Univ, Plant Mol Biol Lab, New York, NY 10065 USA

[4] Kyungpook Natl Univ, Sch Appl Biosci, Taegu 702701, South Korea

[5] Kyung Hee Univ, Grad Sch Biotechnol, Yongin 449701, South Korea

来源：

JOURNAL OF THE KOREAN SOCIETY FOR APPLIED BIOLOGICAL CHEMISTRY | 2010年 / 53卷 / 01期

关键词：

COP1; LAF1; Hfr1; phyA; far-red light; phyA signaling; PROTEIN-PROTEIN INTERACTIONS; PHYTOCHROME-A; TRANSCRIPTION FACTORS; ARABIDOPSIS-THALIANA; SEED-GERMINATION; LIGHT; IDENTIFICATION; LIGASE; HFR1; UBIQUITINATION;

D O I：

10.3839/jksabc.2010.020

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

It was known that long after far-red light 1 (LAF1), a positive phytochrome A (phyA) signal transducer, is ubiquitinated by constitutive photomorphogenic 1 (COP1) in vitro and stabilizes long hypocotyl in far-red 1 (HFR1), another phyA signal transducer, through direct interaction. Our results imply that LAF1 stabilizes phyA by inhibiting or blocking COP1 activity, or by directly interacting with phyA, resulting in the stimulation of phyA signaling.

引用

页码：114 / 117

页数：4

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