Home Acta Virologica 2004 Acta Virologica Vol.48, p.47-50, 2004

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Founded: 1957
ISSN 0001-723X
E-ISSN 1336-2305

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Acta Virologica Vol.48, p.47-50, 2004

Title: CHARACTERIZATION OF NUCLEOPROTEIN GENE SEQUENCE OF AN INDIAN ISOLATE OF RABIES VIRUS
Author: R. JAYAKUMAR, K.G. TIRUMURUGAAN, G. GANGA, K. KUMANAN, A. MAHALINGA NAINAR

Abstract: Rabies occurs in all parts of Indian sub-continent except Andaman and Nicobar and Lakshadweep group of islands. The full-length nucleoprotein (N) gene sequence of a rabies virus isolate from India is reported for the first time and the same has been compared with available N gene sequences from the database. A central domain of 230 amino acids (aa) from aa 141 to aa 370 exhibited more than 95% similarity. There were 8 amino acid positions (aa 29, 32, 38, 84, 119, 379, 438, and 439) at which substitution was unique for Indian isolates but common for laboratory strains. In antigenic epitopes, except for a single amino acid difference at the antigenic site IV, the amino acids were conserved. The Indian isolate also possessed two Bam HI sites (aa 247 and 278), while the other Asian isolates had only one site at aa 278 or were not digested with Bam HI at all. Phylogenetic analysis also demonstrated that the Indian isolate was closely related to the Sri Lankan isolate and grouped in the cluster that comprised of the isolates from other Asian countries namely China and Pakistan.

Keywords: Rabies virus; Indian isolate; nucleoprotein; nucleotide sequencing; phylogenetic analysis
Year: 2004, Volume: 48, Issue: Page From: 47, Page To: 50



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