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STRATEGY FOR DETECTION OF TOSPOVIRUSES

ABSTRACT

Radioactive probes were synthesized for the simultaneous detection of tospoviruses by a quick and sensitive dot blot hybridization assay. Total RNA of Tomato spotted wilt virus (TSWV) - infected Nicotiana benthamiana plants was used as template for RT-PCR using sequences of the nucleoprotein (N) and polymerase (L) genes as oligonucleotide primers. Hybridization assays using N gene-derived probes were found to be TSWV-specific, whereas the L gene-derived probe was able to detected all tospoviruses simultaneously.

KEY WORDS:
TCSV; GRSV; INSV; CSNV; ZLCV; IYSV; hybridization.

Instituto Biológico Av. Conselheiro Rodrigues Alves, 1252 - Vila Mariana - São Paulo - SP, 04014-002 - São Paulo - SP - Brazil
E-mail: arquivos@biologico.sp.gov.br