| characterization of tobacco geminiviruses in the old and new world. | biological differences and molecular variability between six phenotypically distinct tobacco-infecting geminivirus isolates from southern africa (zimbabwe) and mexico were investigated. host range studies conducted with tobacco virus isolates zim h from zimbabwe and mex 15 and mex 32 from mexico indicated all had narrow host ranges restricted to the solanaceae. alignment of coat protein gene (cp) and common region (cr) sequences obtained by pcr, and phylogenetic analysis of the cp sequences indi ... | 1999 | 10365162 |
| genome organization of tobacco leaf curl zimbabwe virus, a new, distinct monopartite begomovirus associated with subgenomic defective dna molecules. | the complete dna a of the begomovirus tobacco leaf curl zimbabwe virus (tblczwv) was sequenced: it comprises 2767 nucleotides with six major open reading frames encoding proteins with molecular masses greater than 9 kda. full-length tblczwv dna a tandem dimers, cloned in binary vectors (pbin19 and pbi121) and transformed into agrobacterium tumefaciens, were systemically infectious upon agroinoculation of tobacco and tomato. efforts to identify a dna b component were unsuccessful. these findings ... | 2001 | 11714987 |
| chayote mosaic virus, a new tymovirus infecting cucurbitaceae. | abstract chayote mosaic virus (chmv) is a putative tymovirus isolated from chayote crops in costa rica. chmv was characterized at the host range, serological, and molecular levels. chmv was transmitted mechanically and induced disease symptoms mainly in cucurbitaceae hosts. asymptomatic infections were detected in other host families. serologically, chmv is related to the andean potato latent virus (aplv) and the eggplant mosaic virus (emv), both members of the genus tymovirus infecting solanace ... | 2000 | 18944472 |