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Title: A systemic resistance inducing antiviral protein with N-glycosidase activity from Bougainvillea xbuttiana leaves
Authors: Narwal, Sneh
Balasubrahmanyam, A
Sadhna, P
Kapoor, HC
Lodha, ML
Issue Date: Jun-2001
Publisher: NISCAIR-CSIR, India
Abstract: An antiviral protein from Bougainvillea xbuttiana leaves induced systemic resistance in host plants N. glutinosa and Cyamopsis tetragonoloba against TMV and SRV, respectively which was reversed by actinomycin D, when applied immediately or shortly after antiviral protein treatment. When the inhibitor was applied to the host plant leaves post inoculation, it was effective if applied upto 4 h after virus infection. It also delayed the expression of symptoms in systemic hosts of TMV. The inhibitor showed characteristic N- glycosidase activity on 25S rRNA of tobacco ribosomes, suggesting that it could also be interfering with virus multiplication through ribosome-inactivation process.
Page(s): 600-603
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Appears in Collections:IJEB Vol.39(06) [June 2001]

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