Abstract

Virus infections induce an RNA-mediated defense that targets viral RNAs in a nucleotide sequence-specific manner in plants, commonly referred to as virus-induced gene silencing (VIGS). When the virus carries sequences of plant genes, it triggers virus-induced gene silencing (VIGS) and results in the degradation of mRNA of endogenous homologous gene. VIGS has been shown to have great potential as a reverse-genetics tool for studying of gene functions in plants, and it has several advantages over other functional genomics approaches. Here, we describe VIGS of N gene in tobacco cv. Xanthi nc by ALSV vectors containing fragments of N gene from Nicotiana glutinosa.

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