First Report of Solanum jasminoides Infected by Citrus exocortis viroid in Germany and the Netherlands and Tomato apical stunt viroid in Belgium and Germany

Recent identifications of Chrysanthemum stunt viroid (CSVd) and Potato spindle tuber viroid (PSTVd) in Solanum jasminoides (3,4) prompted the testing of this plant species for infections with other pospiviroids. From autumn of 2006 to spring of 2007, samples from symptomless plants of S. jasminoides...

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Veröffentlicht in:Plant disease. - 1997. - 92(2008), 6 vom: 11. Juni, Seite 973
1. Verfasser: Verhoeven, J Th J (VerfasserIn)
Weitere Verfasser: Jansen, C C C, Roenhorst, J W, Steyer, S, Schwind, N, Wassenegger, M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article
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520 |a Recent identifications of Chrysanthemum stunt viroid (CSVd) and Potato spindle tuber viroid (PSTVd) in Solanum jasminoides (3,4) prompted the testing of this plant species for infections with other pospiviroids. From autumn of 2006 to spring of 2007, samples from symptomless plants of S. jasminoides were collected in Belgium (3 samples ranging from 75 to 150 plants), Germany (3 samples ranging from 1 to 200 plants), and the Netherlands (3 samples ranging from 2 to 200 plants). Samples were tested for pospiviroids by reverse transcription (RT)-PCR assays using the Pospi1-FW/RE and Vid-FW/RE (2) and PSTV-Nb-FW (5'-ggatccccggggaaacctgga-3')/RE (5'-ggatccctgaagcgctcctcc-3') primer sets. Each set amplifies several but not all pospiviroids. The first and last primer sets amplified PCR products from six samples. The full-length genomes of all six isolates were amplified using primer pairs CEVd-FW1/RE1 (1) and CEVd-FW2 (5'-gtgctcacctgaccctgcagg-3')/RE2 (5'-accacaggaacctcaagaaag-3'), which are fully complementary to both Citrus exocortis viroid (CEVd) and Tomato apical stunt viroid (TASVd). Sequence analysis of the PCR products identified CEVd from two samples each from Germany and the Netherlands and TASVd from one sample each from Germany and Belgium (plants were imported from Israel). Although the sequences of the different CEVd isolates from S. jasminoides were not identical, all exhibited more than 95% identity with a CEVd isolate from Vicia faba (GenBank Accession No. EF494687). Both TASVd sequences were identical and showed 99.2% identity to a TASVd isolate from tomato (GenBank Accession No. AY 062121). Two nucleotide sequences of CEVd were submitted to the NCBI GenBank (Accession Nos. EU094207 and EU094208). The two other CEVd sequences and the TASVd sequence were submitted to the EMBL Nucleotide Sequence Database as Accession Nos. AM774356, AM774357, and AM777161. In addition to identification from S. jasminoides by sequence analysis, TASVd infection in the S. jasminoides sample from Germany and CEVd in one sample from the Netherlands was confirmed by mechanical inoculation to tomato followed by RT-PCR using the two CEVd-FW/RE primer pairs and analysis of the sequenced PCR product. Infection by CEVd and TASVd was also confirmed in the German samples by Northern hybridization and TASVd was confirmed in the Belgian sample by return-polyacrylamide gel electrophoresis. To our knowledge, these are the first reports of CEVd and TASVd in S. jasminoides. The viroids do not reduce the quality of S. jasminoides plants; however, the infected plants may act as infection sources for other crops. References: (1) N. Önelge. Turk. J. Agric. For. 21:419, 1997. (2) J. Th. J. Verhoeven et al. Eur. J. Plant Pathol. 110:823, 2004. (3) J. Th. J. Verhoeven et al. Plant Dis. 90:1359, 2006. (4) J. Th. J. Verhoeven et al. Plant Pathol. 57:399, 2008 
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700 1 |a Jansen, C C C  |e verfasserin  |4 aut 
700 1 |a Roenhorst, J W  |e verfasserin  |4 aut 
700 1 |a Steyer, S  |e verfasserin  |4 aut 
700 1 |a Schwind, N  |e verfasserin  |4 aut 
700 1 |a Wassenegger, M  |e verfasserin  |4 aut 
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