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characterization of begomovirus components from a weed suggests that begomoviruses may associate with multiple distinct dna satellites.a begomovirus disease complex associated with sonchus arvensis, a common weed in pakistan was studied using cloning, nucleic acid sequencing and phylogenetic analysis. the complex associated with this weed consists of a monopartite begomovirus and several distinct betasatellites and alphasatellites. the monopartite begomovirus associated with yellow vein disease of sonchus arvensis showed 95-99% nucleotide sequence identity with alternanthera yellow vein virus (alyvv) reported from china, vietna ...201020306125
diverse and recombinant dna betasatellites are associated with a begomovirus disease complex of digera arvensis, a weed host.weeds are considered as a source of new viruses and reservoirs of economically important viruses but are often neglected during diversity studies. here, we report the complete nucleotide sequences and phylogenetic analyses of the components of a begomovirus disease complex associated with yellow vein disease of digera arvensis, a common weed. the begomovirus associated with the disease showed 98% nucleotide sequence identity with cotton leaf curl rajasthan virus. two species of betasatellite wer ...200919428755
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