A New Tomato yellow leaf curl virus Strain in Southern Spain

Tomato yellow leaf curl disease (TYLCD) has affected tomato crops annually in southern Spain since 1992 when Tomato yellow leaf curl Sardinia virus (TYLCSV-ES) was first described. In 1997, the presence of a different begomovirus species (TYLCV-[ES7297]) was reported in common bean (Phaseolus vulgar...

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Veröffentlicht in:Plant disease. - 1997. - 87(2003), 8 vom: 20. Aug., Seite 1004
1. Verfasser: Morilla, G (VerfasserIn)
Weitere Verfasser: Antúnez, C, Bejarano, E R, Janssen, D, Cuadrado, I M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2003
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article
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520 |a Tomato yellow leaf curl disease (TYLCD) has affected tomato crops annually in southern Spain since 1992 when Tomato yellow leaf curl Sardinia virus (TYLCSV-ES) was first described. In 1997, the presence of a different begomovirus species (TYLCV-[ES7297]) was reported in common bean (Phaseolus vulgaris). In 1999, TYLCV-[ES7297] was found in pepper (Capsicum annuum) (2). In September 2002, we observed tomato plants of TYLCD tolerant tomato cultivars (Kampala and Tiway) showing strong TYLCD symptoms (shortened internodes, curling of leaflet margins, and leaf blade reduction). Samples from 90 of these plants were collected from greenhouses located in the Province of Murcia and analyzed by Southern blot using the intergenic region of TYLCSV-ES[2] and TYLCV-[ES7297] as specific probes. Positive signals were obtained for TYLCV-[ES7297] and TYLCSV-ES[2] in 88 and 23 of the plants, respectively. Samples from eight TYLCV single-infected plants (four 'Kampala' and four 'Tiway') were analyzed by polymerase chain reaction using a pair of primers (OTYA7: GCTCCCTGAATGTTCGGATGGA and OTYA8: ATCATGGATTT ACGCACAGGGG) designed to amplify a 1.9-kb fragment of any isolate of TYLCV/TYLCSV. Subsequent restriction fragment length polymorphism analysis of the amplification products yielded a restriction pattern different from that obtained for TYLCV-[ES7297]. Fragments from the eight samples were sequenced and showed 97.9% identity to a TYLCV strain previously reported in Israel (X15656) (1) and only 92.7% identify with TYLCV-[ES7297]. To our knowledge, this is the first report that this strain of TYLCV has been detected in Spain. References: (1) N. Navot et al. Virology 185(1), 151, 1991. (2) J. Reina et al. Plant Dis. 83:1176, 1999 
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700 1 |a Antúnez, C  |e verfasserin  |4 aut 
700 1 |a Bejarano, E R  |e verfasserin  |4 aut 
700 1 |a Janssen, D  |e verfasserin  |4 aut 
700 1 |a Cuadrado, I M  |e verfasserin  |4 aut 
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