Phylogenetic analysis of NS5B gene of classical swine fever virus isolates indicates plausible Chinese origin of Indian subgroup 2.2 viruses.
Twenty-three CSFV isolates recovered from field outbreaks in various parts of India during 2006-2009 were used for genetic analysis in the NS5B region (409 nts). Seventeen of these were studied earlier [16] in the 5'UTR region. Phylogenetic analysis indicated the continued dominance of subgroup 1.1 strains in the country. Detailed analysis of a subgroup 2.2 virus indicated the plausible Chinese origin of this subgroup in India and provided indirect evidence of routes of CSFV movement within South East Asia region.
Project Directorate on Animal Disease Monitoring and Surveillance, HA Farm Post, Hebbal, Bangalore 560024, India.
S S
SS
Patil
D
D
Hemadri
H
H
Veeresh
K
K
Sreekala
M R
MR
Gajendragad
K
K
Prabhudas
D000818:Animals; D002681:China / Q000453:epidemiology; D006691:Classical Swine Fever / Q000453:epidemiology / Q000821:virology*; D006692:Classical Swine Fever Virus / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification*; D007194:India / Q000453:epidemiology; D008969:Molecular Sequence Data; D010802:Phylogeny; D013552:Swine; D017361:Viral Nonstructural Proteins / Q000235:genetics*
D017361:Viral Nonstructural Proteins
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