Cowpea golden mosaic disease in Gujarat is caused by a Mungbean yellow mosaic India virus isolate with a DNA B variant

Cowpea golden mosaic disease in Gujarat is caused by a Mungbean yellow mosaic India virus isolate... It has long been assumed that cowpea golden mosaic disease (CGMD) in southern Asia is caused by a begomovirus distinct from those causing disease in other legumes. The components of a begomovirus causing CGMD in western India were isolated, cloned and sequenced. Analysis of the sequences shows the virus to be an isolate of Mungbean yellow mosaic India virus , but with a distinct DNA B component with greater similarity to components of a second legume-infecting begomovirus occurring in the region, Mungbean yellow mosaic virus . The clones of the virus were readily infectious to cowpea, mungbean, blackgram and French bean by agroinoculation. However, the wild-type isolate was shown to be easily transmissible by whiteflies between cowpea plants but not to blackgram and mugbean, suggesting that the insect vector plays a major role in determining the natural host range of these viruses. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Cowpea golden mosaic disease in Gujarat is caused by a Mungbean yellow mosaic India virus isolate with a DNA B variant

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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/s00705-008-0116-8
Publisher site
See Article on Publisher Site

Abstract

It has long been assumed that cowpea golden mosaic disease (CGMD) in southern Asia is caused by a begomovirus distinct from those causing disease in other legumes. The components of a begomovirus causing CGMD in western India were isolated, cloned and sequenced. Analysis of the sequences shows the virus to be an isolate of Mungbean yellow mosaic India virus , but with a distinct DNA B component with greater similarity to components of a second legume-infecting begomovirus occurring in the region, Mungbean yellow mosaic virus . The clones of the virus were readily infectious to cowpea, mungbean, blackgram and French bean by agroinoculation. However, the wild-type isolate was shown to be easily transmissible by whiteflies between cowpea plants but not to blackgram and mugbean, suggesting that the insect vector plays a major role in determining the natural host range of these viruses.

Journal

Archives of VirologySpringer Journals

Published: Jul 1, 2008

References

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