Article
Identification of a plant nitric oxide synthase gene involved in hormonal signaling.
Science (New York, N.Y.) - 3 Oct 2003
Guo Fang-Qing, Okamoto Mamoru, Crawford Nigel M
Abstract excerpt
Nitric oxide (NO) serves as a signal in plants. An Arabidopsis mutant (Atnos1) was identified that had impaired NO production, organ growth, and abscisic acid-induced stomatal movements. Expression of AtNOS1 with a viral promoter in Atnos1 mutant plants resulted in overproduction of NO. Purified AtNOS1 protein used the substrates arginine and nicotinamide adenine dinucleotide phosphate and was activated by Ca2+...
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