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Title: Nitric oxide: A common antipathogenic factor of plants
Authors: Acharya, Rupa
Mukhia, Madan
Sen, Surjit
Acharya, Krishnendu
Keywords: Nitric oxide/nitric oxide synthase;Plant defense
Issue Date: Jan-2005
Publisher: NISCAIR-CSIR, India
Abstract: In the present study, nitric oxide synthase/nitric oxide (NOS/NO) status was tested in the host plants infected with fungi, bacteria and virus. In each case cytosolic nitric oxide synthase (Cyt-NOS) of diseased plants was inhibited and inhibition was competitive in nature in respect to 1-arginine, the substrate for the enzymic activity. Elevation of host nitric oxide (NO) level before infection using nitric oxide (NO) donor protected disease initiation significantly. The nature of enzyme kinetics and the manner of disease protection by nitric oxide donor (NO-donor) was similar in all the three cases of infection. It was concluded that nitric oxide was a common anti pathogenic factor of plants.
Page(s): 100-103
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Appears in Collections:IJEB Vol.43(01) [January 2005]

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