Abstract
Peste des petits ruminants (PPR) is an important viral disease of sheep and goats, endemic in India. The study was undertaken to characterize the local PPRV by sequencing fusion (F) protein and nucleoprotein (N) gene segments and phylogenetic analysis, so as to focus on genetic variation in the field viruses. Selected regions of PPRV genome were amplified from clinical samples collected from 32 sheep and goats by RT-PCR and the resulting amplicons were sequenced for phylogenetic analysis. The phylogenetic tree based on the 322 bp F gene sequences of PPRV from five different locations clustered them into lineage 4 along with other Asian isolates. While the 425 bp N gene sequences revealed a different pattern of branching, yielding three distinct clusters for Nigerian, Turkey and Indian isolates. Thus, classification of PPRV into lineages based on the N gene sequences appeared to yield better picture of molecular epidemiology for PPRV.
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