| diversity among isolates of cowpea severe mosaic virus infecting cowpeas in northeastern brazil. | eleven isolates of cowpea severe mosaic virus (cpsmv), a member of the genus comovirus, were selected from 50 samples collected of nine cowpea fields in northeastern brazil (piauí, ceará, rio grande do norte, paraíba, pernambuco, alagoas, sergipe, bahia, and distrito federal) and partially sequenced. the rna1 partial sequence, corresponding to the helicase, viral genome-linked protein, picornain 3c-like protease, and the rna-directed rna polymerase genes from cpsmv, had high identity among isola ... | 2012 | 23007993 |