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Updated: Dec 31, 2025
Localization and Quantification of Begomoviruses in Whitefly Tissues by Immunofluorescence and Quantitative PCR
Published on: February 8, 2020
Molecular characterization of two previously undescribed begomovirus-associated alphasatellite molecules infecting
W N Leke1,2, A Kvarnheden3, S Avelar4
1Institute of Agricultural Research for Development (IRAD), Ekona, P.O. Box 83, Buea, Cameroon. walter.leke@fulbrightmail.org.
Abstract:
Two begomovirus-associated alphasatellites were isolated from okra and a malvastrum plant (Malvaceae) in Cameroon. The complete nucleotide sequences of the okra- and malvastrum-infecting alphasatellites were 1375 and 1416-1418 nucleotides, respectively, and both exhibited features characteristic of other alphasatellites. Based on pairwise sequence comparisons, these previously undescribed alphasatellites are members of distinct species in the genera Colecusatellite and Gosmusatellite and have been tentatively named "pepper yellow vein Mali alphasatellite" and "cotton leaf curl Gezira alphasatellite3", respectively. Taken together with previous studies, alphasatellites endemic to Cameroon appear to be more diverse and infect plants of many more species and families than currently recognized.
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