, Volume 156, Issue 3, pp 405-412
Date: 09 Dec 2010

Genomic sequence of an avian paramyxovirus type 1 strain isolated from Muscovy duck (Cairina moschata) in China

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Abstract

The complete sequence of an avian paramyxovirus type 1 (APMV-1) strain, FP1/02, isolated from Muscovy duck in China, was determined. Sequence analysis indicated that the complete genome of strain FP1/02 contained 15,192 nucleotides (nt), following the rule of six. The genome contained an extra 6-nt insertion in the non-coding region of the NP gene when compared with other APMV-1 strains, such as strains La Sota and Beaudette C. The cleavage site of the F protein was 112R-R-Q-K-R↓F117, indicating that the FP1/02 strain was virulent, but the morbidity and mortality varied with the species of duck. Genotypic analysis based on the F gene revealed that APMV-1 FP1/02 was a member of genotype VII. Phylogenetic analysis showed that the FP1/02 strain shared high identity with other APMV-1 strains such as ZJ1, SF02 and NA-1 isolated from geese.