Details

Autor(en) / Beteiligte

• LECOQ, Hervé
• DAFALLA, Gasim
• DESBIEZ, Cécile
• WIPF-SCHEIBEL, Catherine
• DELECOLLE, Brigitte
• LANINA, Tanya
• ULLAH, Zakir
• GRUMET, Rebecca

Titel

Biological and molecular characterization of Moroccan watermelon mosaic virus and a potyvirus isolate from Eastern Sudan

Ist Teil von

• Plant disease, 2001-05, Vol.85 (5), p.547-552

Ort / Verlag

St. Paul, MN: American Phytopathological Society

Erscheinungsjahr

2001

Link zum Volltext

Quelle

EZB Free E-Journals

Beschreibungen/Notizen

• A potyvirus (Su-94-54) was isolated from a naturally infected snake cucumber (Cucumis melo var. flexuosus) plant with severe mosaic and leaf deformation symptoms collected in Eastern Sudan. This isolate has a host range limited to cucurbits and is serologically distantly related to Moroccan watermelon mosaic virus (MWMV) and to Papaya ringspot virus (PRSV). Coat protein sequence analysis of Su-94-54 and MWMV and comparison with other potyviruses indicate that Su-94-54 is more closely related to MWMV than to any other potyvirus. Based on the amino acid sequence identity in the core part of the coat protein with MWMV (86%), this isolate could be regarded as a distinct species. However, because of biological, cytological, and serological affinities with MWMV, we propose that this isolate be considered as a strain of MWMV, possibly an evolutionary intermediate between MWMV and PRSV, until more is known on the structure of the PRSV subgroup within the genus Potyvirus.