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- Title
Biological and molecular characterization of a recombinant isolate of Watermelon mosaic virus associated with a watermelon necrotic disease in Italy.
- Authors
Finetti-Sialer, Mariella; Mascia, Tiziana; Cillo, Fabrizio; Vovlas, Crisostomo; Gallitelli, Donato
- Abstract
The biological and molecular characterization is reported of a Watermelon mosaic virus isolate, denoted WMV-Le, associated with a necrotic phenotype of watermelon plants grown in the Provinces of Lecce and Taranto (Apulia, southern Italy). The fully sequenced WMV-Le genome consists of 10,045 nucleotides and is 99.1% similar to that of WMV-C05-270, a French isolate from melon of the WMV molecular group 3. Using recombination detection program RDP3, putative recombination breakpoints were identified close to nucleotide positions 42 to 1892, covering the 5′UTR/P1/HC-Pro region. The event represents the insertion of a sequence fragment of an isolate similar to WMV-FBR04-37 in the background of an isolate similar to WMV-FMF00-LL1. The field symptomatology was reproduced in watermelon plants grown in an experimental greenhouse but the virus induced severe symptoms also in Cucumis sativus, C. melo, Cucurbita maxima and C. pepo .
- Subjects
LECCE (Italy); TARANTO (Italy); ITALY; WATERMELONS; MOSAIC viruses; NECROTIC enteritis; GENOTYPE-environment interaction
- Publication
European Journal of Plant Pathology, 2012, Vol 132, Issue 3, p317
- ISSN
0929-1873
- Publication type
Article
- DOI
10.1007/s10658-011-9884-1