A non-aphid-transmissible isolate of bean yellow mosaic potyvirus has an altered NAG motif in its coat protein
Wylie, S.J., Kueh, J., Welsh, B., Smith, L.J., Jones, M.G.K. and Jones, R.A.C. (2002) A non-aphid-transmissible isolate of bean yellow mosaic potyvirus has an altered NAG motif in its coat protein. Archives of Virology, 147 (9). pp. 1813-1820.
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An isolate of Bean yellow mosaic virus (BYMV) not transmitted by aphids (NAT) was compared with the aphid-transmissible isolate (MI) from which it was derived. For each isolate, the sequence of the coat protein and parts of the helper component was determined. A single nucleotide substitution caused a NAG to NAS alteration in the coat protein of the non aphid-transmissible isolate. Loss of aphid transmissibility in isolate BYMV MI-NAT was most likely caused by this mutation within the NAG motif. Systemic movement and accumulation of the virus in infected plants were not affected by the mutation.
|Publication Type:||Journal Article|
|Murdoch Affiliation:||Western Australian State Agricultural Biotechnology Centre|
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