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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Evidence of inter-component recombination, intra-component recombination and reassortment in banana bunchy top virus
Journal of General Virology, Volume 93, No. 5, Year 2012
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Description
Banana bunchy top virus (BBTV; family Nanoviridae, genus Babuvirus) is a multi-component, ssDNA virus, which causes widespread banana crop losses throughout tropical Africa and Australasia. We determined the full genome sequences of 12 BBTV isolates from the Kingdom of Tonga and analysed these together with previously determined BBTV sequences to show that reassortment and both inter- and intra-component recombination have all been relatively requent occurrences during BBTV evolution. We found that whereas DNA-U3 components display evidence of complex inter- and intra-component recombination, all of the South Pacific DNA-R components have a common intra-component recombinant origin spanning the replicationassociated protein gene. Altogether, the DNA-U3 and DNA-M components display a greater degree of inter-component recombination than the DNA-R, -S, -C and -M components. The breakpoint distribution of the inter-component recombination events reveals a primary recombination hotspot around the 59 side of the common region major and, in accordance with recombination hotspots detectable in related ssDNA viruses, a secondary recombination hotspot near the origin of virion-strand replication. © 2012 SGM.
Authors & Co-Authors
Stainton, Daisy
New Zealand, Christchurch
University of Canterbury
Kraberger, Simona J.
New Zealand, Christchurch
University of Canterbury
Walters, Matthew
New Zealand, Christchurch
University of Canterbury
Wiltshire, Elizabeth J.
New Zealand, Christchurch
University of Canterbury
Rosario, Karyna
United States, St Petersburg
University of South Florida St. Petersburg
Halafihi, Mana'ia
Tonga
Ministry of Agriculture and Food
Lolohea, Samiuela
Tonga
Ton College
Katoa, Ika
Tonga
Ministry of Agriculture and Food
Faitua, Túamelie H.
Unknown Affiliation
Aholelei, Waikato
Tonga
Ministry of Agriculture and Food
Taufa, Luseane
Tonga
Ministry of Agriculture and Food
Thomas, John Edward
Australia, Brisbane
The University of Queensland
Collings, David A.
New Zealand, Christchurch
University of Canterbury
Martin, Darren Patrick
South Africa, Cape Town
University of Cape Town
Varsani, Arvind
New Zealand, Christchurch
University of Canterbury
South Africa, Cape Town
University of Cape Town
Statistics
Citations: 43
Authors: 15
Affiliations: 6
Identifiers
Doi:
10.1099/vir.0.040337-0
ISSN:
00221317
e-ISSN:
14652099
Research Areas
Genetics And Genomics