Abstract

Papaya ringspot disease is caused by Papaya ringspot virus (PRSV-P). The coat protein gene (CP) sequences of 14 isolates of PRSV-P from different papaya growing areas from Western Indian states, Maharashtra and Gujarat, were analysed and compared with previously reported CP gene sequences. The sequence length of CP gene ranged 855–861 nucleotides, encoding 285–287 amino acids. Sequence analysis of CP gene showed that the PRSV-P isolates from Maharashtra and Gujarat shared 80 to 100% and 81 to 98% nucleotide sequence identities, respectively with other Indian isolates. Nine putative recombination sites were identified in CP of PRSV-P isolates analysed. This study contributes in understanding of virus population and genetic recombination.

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