Nucleotide sequence analysis of the coat protein genes of two Korean isolates of sweet potato feathery mottle potyvirus

Nucleotide sequence analysis of the coat protein genes of two Korean isolates of sweet potato... The coat protein (CP) genes of the genomic RNA of two Korean isolates of sweet potato feathery mottle potyvirus (SPFMV), SPFMV-K1 and SPFMV-K2, were cloned and their complete nucleotide sequences were determined. Sequence comparisons of the two Korean isolates showed 97.8% amino acid identity in the CP cistron, and 79.9% to 99.0% identity with those of 6 other known SPFMV strains. Of 74 amino acid changes totally among the SPFMV strains, 39 changes were located at the N-terminal region. Pairwise amino acid sequence comparison revealed sequence similarities of 48.6 to 70.2% between SPFMV and 20 other potyviruses, indicating SPFMV to be a quite distinct species. Multiple alignment of the CP cistrons from other potyviruses showed that most of the conserved amino acid residues of the genus Potyvirus are well preserved in the corresponding locations. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Nucleotide sequence analysis of the coat protein genes of two Korean isolates of sweet potato feathery mottle potyvirus

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Publisher
Springer Journals
Copyright
Copyright © Wien by 1998 Springer-Verlag/
Subject
Legacy
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s007050050311
Publisher site
See Article on Publisher Site

Abstract

The coat protein (CP) genes of the genomic RNA of two Korean isolates of sweet potato feathery mottle potyvirus (SPFMV), SPFMV-K1 and SPFMV-K2, were cloned and their complete nucleotide sequences were determined. Sequence comparisons of the two Korean isolates showed 97.8% amino acid identity in the CP cistron, and 79.9% to 99.0% identity with those of 6 other known SPFMV strains. Of 74 amino acid changes totally among the SPFMV strains, 39 changes were located at the N-terminal region. Pairwise amino acid sequence comparison revealed sequence similarities of 48.6 to 70.2% between SPFMV and 20 other potyviruses, indicating SPFMV to be a quite distinct species. Multiple alignment of the CP cistrons from other potyviruses showed that most of the conserved amino acid residues of the genus Potyvirus are well preserved in the corresponding locations.

Journal

Archives of VirologySpringer Journals

Published: Mar 1, 1998

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