Nitric oxide represses the Arabidopsis floral transition.

  title={Nitric oxide represses the Arabidopsis floral transition.},
  author={Yikun He and Ru-Hang Tang and Yi Hao and Robert A. Moffitt Johns Hopkins University David Stevens and Charles W Cook and Sun Mi Ahn and Liufang Jing and Zhongguang Yang and Longen Chen and Fangqing Guo and Fabio Fiorani and Robert B. Jackson and Nigel M. Crawford and Zhen-Ming Pei},
  volume={305 5692},
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 gene expression and enhanced FLOWERING LOCUS C expression, which indicated that NO… CONTINUE READING
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