Article
Nitric oxide represses the Arabidopsis floral transition.
Science (New York, N.Y.) - 24 Sept 2004
He Yikun, Tang Ru-Hang, Hao Yi, Stevens Robert D, Cook Charles W, Ahn Sun M, Jing Liufang, Yang Zhongguang, Chen Longen, Guo Fangqing, Fiorani Fabio, Jackson Robert B, Crawford Nigel M, Pei Zhen-Ming
Abstract excerpt
The correct timing of flowering is essential for plants to maximize reproductive success and is controlled by environmental and endogenous signals. We report that nitric oxide (NO) repressed the floral transition in Arabidopsis thaliana. Plants treated with NO, as well as a mutant overproducing NO (nox1), flowered late, whereas a mutant producing less NO (nos1) flowered early. NO suppressed CONSTANS and GIGANTEA...
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