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Fine mapping and DNA fiber FISH analysis locates the tobamovirus resistance gene L 3 of Capsicum chinense in a 400-kb region of R-like genes cluster embedded in highly repetitive sequences Abstract The tobamovirus resistance gene L 3 of Capsi-cum chinense was mapped using an intra-specific F2 population (2,016 individuals) of Capsicum annuum culti-vars,(More)
A virus-like dsRNA of about 23 kbp was detected in gentian plants showing Kobu-sho syndrome including stunting, shortened internodes, and tumors on stems, nodes and roots. Nucleotide sequence analysis has suggested that this dsRNA is related to Pestivirus species but not to any other plant viruses. It was protected from externally added RNase, suggesting(More)
We determined the complete nucleotide sequence of a broad bean wilt virus 2 (BBWV-2) isolate from gentian in Japan. The full-length RNA1 and RNA2 sequences, excluding poly(A) tails, were 5955 and 3600 nucleotides long, respectively. Analysis indicated that, in contrast to other BBWV-2 isolates, the 5’ end of both RNA1 and RNA2 starts with a GUU sequence. We(More)
The tobamovirus resistance gene L(3) of Capsicum chinense was mapped using an intra-specific F2 population (2,016 individuals) of Capsicum annuum cultivars, into one of which had been introduced the C. chinense L(3) gene, and an inter-specific F2 population (3,391 individuals) between C. chinense and Capsicum frutescence. Analysis of a BAC library with an(More)
The presence of high molecular weight double-stranded RNA (dsRNA) within plant cells is an indicator of infection with RNA viruses as these possess genomic or replicative dsRNA. DECS (dsRNA isolation, exhaustive amplification, cloning, and sequencing) analysis has been shown to be capable of detecting unknown viruses. We postulated that a combination of(More)
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