Nitric Oxide Represses the Arabidopsis Floral Transition-Reference-Cited by-同舟云学术

Nitric Oxide Represses the Arabidopsis Floral Transition

Published:2004-09-24 Issue:5692 Volume:305 Page:1968-1971
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

He Yikun¹²³⁴⁵,Tang Ru-Hang¹²³⁴⁵,Hao Yi¹²³⁴⁵,Stevens Robert D.¹²³⁴⁵,Cook Charles W.¹²³⁴⁵,Ahn Sun M.¹²³⁴⁵,Jing Liufang¹²³⁴⁵,Yang Zhongguang¹²³⁴⁵,Chen Longen¹²³⁴⁵,Guo Fangqing¹²³⁴⁵,Fiorani Fabio¹²³⁴⁵,Jackson Robert B.¹²³⁴⁵,Crawford Nigel M.¹²³⁴⁵,Pei Zhen-Ming¹²³⁴⁵

Affiliation:

1. Department of Biology, Duke University, Durham, NC 27708, USA.

2. Department of Biology, Capital Normal University, Beijing 100037, China.

3. Mass Spectrometry Laboratory, Duke University Medical Center, Research Triangle Park, NC 27709, USA.

4. Orthopaedic Research Laboratory, Duke University Medical Center, Durham, NC 27710, USA.

5. Division of Biological Sciences, University of California, San Diego, La Jolla, CA 92093, USA.

Abstract

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 regulates the photoperiod and autonomous pathways. Because NO is induced by environmental stimuli and constitutively produced, it may integrate both external and internal cues into the floral decision.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference25 articles.

1. Arabidopsis , the Rosetta Stone of Flowering Time?

2. Control of Flowering Time

3. NO at work

4. Nitric Oxide: The Versatility of an Extensive Signal Molecule

5. The Characterization and Contrasting Effects of the Nitric Oxide Free Radical in Vegetative Stress and Senescence of Pisum sativum Linn. Foliage

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