期刊
VIROLOGY
卷 402, 期 1, 页码 129-134出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.virol.2010.03.020
关键词
Melon necrotic spot virus; Olpidium bornovanus; Coat protein; Fungal transmission
类别
The Chi and W strains of Melon necrotic spot virus (MNSV) are efficiently transmitted by isolates Y1 and NW1, respectively, of the fungal vector Olpidium bornovanus. Analysis of chimeric viruses constructed by switching the coat protein (CP) gene between the two strains unveiled the involvement of the CP in the attachment of MNSV to zoospores of a compatible isolate of O. bornovanus and in the fungal transmission of the virus. Furthermore, analysis of the chimeric virus based on the Chi strain with the protruding domain of the CP from strain W suggested the involvement of the domain in compatibility with zoospore. Comparison of the three-dimensional structures between the CP of the two MNSV strains showed that many of the differences in these amino acid residues are present on the surface of the virus particles, suggesting that these affects the recognition of fungal vectors by the virus. (C) 2010 Elsevier Inc. All rights reserved.
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