A New Pathotype of Pea seedborne mosaic virus Explained by Properties of the P3-6k1- and Viral Genome-Linked Protein (VPg)-Coding Regions
Open Access
- 1 February 2002
- journal article
- Published by Scientific Societies in Molecular Plant-Microbe Interactions®
- Vol. 15 (2) , 169-171
- https://doi.org/10.1094/mpmi.2002.15.2.169
Abstract
A fourth pathotype of Pea seedborne mosaic virus, a member of the genus Potyvirus, was identified by analysis of the infection profile on a panel of Pisum sativum lines. The new pathotype, designated P-3, was able to overcome resistance specified by the sbm-1 resistance gene but could not overcome resistance specified by the sbm-2 resistance gene. This infection profile distinguished P-3 from previously described pathotypes, P-1, P-2, and P-4. Analysis of chimeric viruses demonstrated that properties of the P3-6k1- and viral genome-linked protein (VPg)-coding regions accounted for the infection profile of the new pathotype.Keywords
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