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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Comparative analysis of panicum streak virus and maize streak virus diversity, recombination patterns and phylogeography
Virology Journal, Volume 6, Article 194, Year 2009
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Description
Background: Panicum streak virus (PanSV; Family Geminiviridae; Genus Mastrevirus) is a close relative of Maize streak virus (MSV), the most serious viral threat to maize production in Africa. PanSV and MSV have the same leafhopper vector species, largely overlapping natural host ranges and similar geographical distributions across Africa and its associated Indian Ocean Islands. Unlike MSV, however, PanSV has no known economic relevance. Results: Here we report on 16 new PanSV full genome sequences sampled throughout Africa and use these together with others in public databases to reveal that PanSV and MSV populations in general share very similar patterns of genetic exchange and geographically structured diversity. A potentially important difference between the species, however, is that the movement of MSV strains throughout Africa is apparently less constrained than that of PanSV strains. Interestingly the MSV-A strain which causes maize streak disease is apparently the most mobile of all the PanSV and MSV strains investigated. Conclusion: We therefore hypothesize that the generally increased mobility of MSV relative to other closely related species such as PanSV, may have been an important evolutionary step in the eventual emergence of MSV-A as a serious agricultural pathogen. The GenBank accession numbers for the sequences reported in this paper are GQ415386-GQ415401. © 2009 Varsani et al; licensee BioMed Central Ltd.
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https://efashare.b-cdn.net/share/pmc/articles/PMC2777162/bin/1743-422X-6-194-S2.doc
https://efashare.b-cdn.net/share/pmc/articles/PMC2777162/bin/1743-422X-6-194-S3.doc
https://efashare.b-cdn.net/share/pmc/articles/PMC2777162/bin/1743-422X-6-194-S4.doc
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https://efashare.b-cdn.net/share/pmc/articles/PMC2777162/bin/1743-422X-6-194-S6.doc
https://efashare.b-cdn.net/share/pmc/articles/PMC2777162/bin/1743-422X-6-194-S7.xls
Authors & Co-Authors
Varsani, Arvind
New Zealand, Christchurch
University of Canterbury
South Africa, Cape Town
University of Cape Town
Monjane, Adérito Luis
South Africa, Cape Town
University of Cape Town
Donaldson, Lara
South Africa, Cape Town
University of Cape Town
Oluwafemi, Sunday
Nigeria, Iwo
Bowen University
Zinga, Innocent
Central African Republic
Faculty of Sciences University of Bangui
Komba, Ephrem Kosh
Central African Republic
Faculty of Sciences University of Bangui
Plakoutene, Didier
Central African Republic
Faculty of Sciences University of Bangui
Mandakombo, Noëlla B.
Central African Republic
Faculty of Sciences University of Bangui
Mboukoulida, Joseph
Central African Republic
Faculty of Sciences University of Bangui
Semballa, Silla
Central African Republic
Faculty of Sciences University of Bangui
Briddon, Rob William
Pakistan, Faisalabad
National Institute for Biotechnology and Genetic Engineering Pakistan
Markham, Peter G.
United Kingdom, Norwich
John Innes Centre
Lett, Jean Michel
France, Saint-denis
Université de la Réunion
Lefeuvre, Pierre F.
France, Saint-denis
Université de la Réunion
South Africa, Cape Town
University of Cape Town
Rybicki, Edward P.
South Africa, Cape Town
University of Cape Town
Martin, Darren Patrick
South Africa, Cape Town
University of Cape Town
Statistics
Citations: 33
Authors: 16
Affiliations: 7
Identifiers
Doi:
10.1186/1743-422X-6-194
e-ISSN:
1743422X
Research Areas
Genetics And Genomics