Molecular variability of sweet potato feathery mottle virus and other potyviruses infecting sweet potato in Peru

Molecular variability of sweet potato feathery mottle virus and other potyviruses infecting sweet... Several potyviruses are found infecting sweet potato ( Ipomoea batatas ) in Peru, of which sweet potato feathery mottle virus (SPFMV, genus Potyvirus ) is the most common. However, sequence data for these viruses are not available from Peru. In this study, the 3′-terminal ∼1,800 nucleotide sequences of 17 potyvirus samples collected from the six main sweet potato-producing areas of Peru over the past 20 years were determined and analyzed. Results of sequence comparisons and phylogenetic analysis showed that three of the four recognized SPFMV strain groups, including the East African strain, are established in Peru as well as two other potyviruses: sweet potato virus G (SPVG) and sweet potato virus 2 (SPV2). The analysis further revealed that SPFMV, SPVG and SPV2 are related and form an Ipomoea -specific phylogenetic lineage within the genus Potyvirus and identified for the first time recombination events between viruses from different strain groups of SPFMV. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Molecular variability of sweet potato feathery mottle virus and other potyviruses infecting sweet potato in Peru

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Publisher
Springer Vienna
Copyright
Copyright © 2008 by Springer-Verlag
Subject
Biomedicine; Infectious Diseases; Medical Microbiology ; Virology
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-007-0019-0
Publisher site
See Article on Publisher Site

Abstract

Several potyviruses are found infecting sweet potato ( Ipomoea batatas ) in Peru, of which sweet potato feathery mottle virus (SPFMV, genus Potyvirus ) is the most common. However, sequence data for these viruses are not available from Peru. In this study, the 3′-terminal ∼1,800 nucleotide sequences of 17 potyvirus samples collected from the six main sweet potato-producing areas of Peru over the past 20 years were determined and analyzed. Results of sequence comparisons and phylogenetic analysis showed that three of the four recognized SPFMV strain groups, including the East African strain, are established in Peru as well as two other potyviruses: sweet potato virus G (SPVG) and sweet potato virus 2 (SPV2). The analysis further revealed that SPFMV, SPVG and SPV2 are related and form an Ipomoea -specific phylogenetic lineage within the genus Potyvirus and identified for the first time recombination events between viruses from different strain groups of SPFMV.

Journal

Archives of VirologySpringer Journals

Published: Mar 1, 2008

References

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