Genetic identification of two sweet-potato-infecting begomoviruses in South Africa

The complete genome sequences of two monopartite begomovirus isolates (genus Begomovirus , family Geminiviridae ) that occurred either alone or in mixed infection in sweet potato ( Ipomoea batatas ) plants collected in Waterpoort, South Africa, are presented. One of the isolates corresponds to sweet...

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Bibliographic Details
Published in:Archives of virology 2012-11, Vol.157 (11), p.2241-2245
Main Authors: Esterhuizen, L. L., van Heerden, S. W., Rey, M. E. C., van Heerden, H.
Format: Article
Language:English
Subjects:
Agricultural production
Annotated Sequence Record
Begomovirus
Begomovirus - classification
Begomovirus - genetics
Begomovirus - isolation & purification
Biological and medical sciences
Biomedical and Life Sciences
Biomedicine
Cluster Analysis
DNA, Viral - chemistry
DNA, Viral - genetics
Fundamental and applied biological sciences. Psychology
Geminiviridae
Genetics
Genome, Viral
Genomes
Infections
Infectious Diseases
Ipomoea batatas
Ipomoea batatas - virology
Medical Microbiology
Microbiology
Miscellaneous
Molecular Sequence Data
Phylogenetics
Phylogeny
Phytopathology. Animal pests. Plant and forest protection
Plant viruses and viroids
Potatoes
Sequence Analysis, DNA
Sequence Homology, Nucleic Acid
Solanum tuberosum
South Africa
Virology
Viruses
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Summary:The complete genome sequences of two monopartite begomovirus isolates (genus Begomovirus , family Geminiviridae ) that occurred either alone or in mixed infection in sweet potato ( Ipomoea batatas ) plants collected in Waterpoort, South Africa, are presented. One of the isolates corresponds to sweet potato mosaic-associated virus (SPMaV; SPMaV-[ZA:WP:2011]), with which it shared 98.5 % nucleotide identity, whereas the second isolate corresponds to a new variant of sweet potato leaf curl Sao Paulo virus (SPLCSPV; SPLCSPV-[ZA:WP:2011]), with which it shared 91.4 % nucleotide identity. The phylogenetic and recombination relationships of these isolates to other monopartite Ipomoea -infecting begomoviruses were also investigated. SPLCSPV-[ZA:WP:2011] was found to be a natural recombinant of swepoviruses consisting of two distinct parental genomic sequences from SPLCSPV and sweet potato leaf curl Georgia virus (SPLCGV).
ISSN:0304-8608
1432-8798
DOI:10.1007/s00705-012-1398-4