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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Dating the origins of the maize-adapted strain of maize streak virus, MSV-A
Journal of General Virology, Volume 90, No. 12, Year 2009
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Description
Maize streak virus (MSV), which causes maize streak disease (MSD), is one of the most serious biotic threats to African food security. Here, we use whole MSV genomes sampled over 30 years to estimate the dates of key evolutionary events in the 500 year association of MSV and maize. The substitution rates implied by our analyses agree closely with those estimated previously in controlled MSV evolution experiments, and we use them to infer the date when the maize-adapted strain, MSV-A, was generated by recombination between two grass-adapted MSV strains. Our results indicate that this recombination event occurred in the mid-1800s, ∼20 years before the first credible reports of MSD in South Africa and centuries after the introduction of maize to the continent in the early 1500s. This suggests a causal link between MSV recombination and the emergence of MSV-A as a serious pathogen of maize. © 2009 SGM.
Available Materials
https://efashare.b-cdn.net/share/pmc/articles/PMC2885043/bin/0.015537-0_index.html
https://efashare.b-cdn.net/share/pmc/articles/PMC2885043/bin/0.015537-0_1.pdf
Authors & Co-Authors
Harkins, Gordon William
South Africa, Bellville
University of the Western Cape
Martin, Darren Patrick
South Africa, Cape Town
University of Cape Town
South Africa, Cape Town
Centre for High Performance Computing, Cape Town
Duffy, Siobain
United States, New Brunswick
School of Environmental and Biological Sciences
Monjane, Adérito Luis
South Africa, Cape Town
University of Cape Town
Shepherd, Dionne Natalie
South Africa, Cape Town
University of Cape Town
Windram, Oliver P.F.
United Kingdom, Coventry
University of Warwick
Owor, Betty Elizabeth
South Africa, Cape Town
University of Cape Town
Donaldson, Lara
South Africa, Cape Town
University of Cape Town
van Antwerpen, Tania
South Africa, Mount Edgecombe
South African Sugarcane Research Institute
Sayed, R. A.
South Africa, Cape Town
University of Cape Town
Flett, Bradley Charles
South Africa, Potchefstroom
Arc - Grain Crops Institute
Ramusi, Moses
South Africa, Potchefstroom
Arc - Grain Crops Institute
Rybicki, Edward P.
South Africa, Cape Town
University of Cape Town
Peterschmitt, Michel
France, Paris
Cirad
Varsani, Arvind
South Africa, Cape Town
University of Cape Town
New Zealand, Christchurch
University of Canterbury
Statistics
Citations: 63
Authors: 15
Affiliations: 9
Identifiers
Doi:
10.1099/vir.0.015537-0
ISSN:
00221317
e-ISSN:
14652099
Research Areas
Food Security
Study Locations
South Africa