Journal of General Plant Pathology (2004) 70, 243-248

Hassan Karakacha Were, Stephan Winter and Edgar Maiss (2004)
Variations and taxonomic status of begomoviruses causing severe epidemics of cassava mosaic disease in Kenya, Uganda, and Democratic Republic of the Congo
Journal of General Plant Pathology 70 (4), 243-248
Abstract: The molecular variability in the DNA-A of cassava-begomoviruses, East African cassava mosaic virus (EACMV), East African cassava mosaic virus - Uganda variant (EACMV-UG), African cassava mosaic virus (ACMV), and East African cassava mosaic Zanzibar virus (EACMZV) in Kenya, Uganda, and Democratic Republic of the Congo (DRC) was investigated. Most samples from western Kenya, Uganda, and eastern DRC contained EACMV-UG. Fewer than half of the samples had a mixed infection of ACMV and EACMV-UG, and a small percentage had only ACMV infections. EACMV and EACMZV were the only begomoviruses detected in samples from the Kenyan coast. The coat protein gene nucleotide (nt) and the deduced amino acid sequence analyses revealed a high degree of sequence identity within each virus type and that EACMV-UG was most related to ACMV. However, analysis of the retrieved complete DNA-A (2781-2801 nt) sequences of selected virus types revealed that EACMV-UG DNA-A share more than 90% identity with EACMV and less than 80% with ACMV, confirming that the virus is a strain of EACMV.
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Link to article at publishers website
Database assignments for author(s): Stephan Winter

Research topic(s) for pests/diseases/weeds:
surveys/sampling/distribution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	East African cassava mosaic virus		Congo-Democratic Republic
	East African cassava mosaic virus		Kenya
	East African cassava mosaic virus		Uganda
	East African cassava mosaic Zanzibar virus		Kenya