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. 2011 Jun 5;2(3):228–235.

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IJMEG Copyright © 2011

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Phylogenetic analysis of deduced amino acid sequences (from 289bp fragment of partial ORF1a encoding serine protease) of human astrovirus strains detected in Kolkata, India. The Kolkata strains of HAstVs are indicated by black symbols. Scale bar indicates amino acid substitution per site. Reference sequences were obtained from GenBank under accession nos.HAstV1 (L23513/USA), HAstV2 (L13745/USA), HAstV3 (AF141381/GER), HAstV4 (AY720891/GER), HAstV5 (DQ028633/BRZ), HAstV6 (HM237363/JPN), HAstV7 (AF248738/SA) and HAstV8 (AF260508/MEX). The nucleotide sequences of 289bp ORF1a fragments of the HAstVs from Kolkata (variants marked with bold face) were deposited in DDBJ under accession nos. IDH198/AB607960, IDH1300/AB551381; IDH1309/AB551382; IDH1371/AB551383; IDH1387/AB551384; IDH1448/AB551385; IDH1451/AB607961; IDH1482/AB551386; IDH2211/ AB551387; IDH2310/ AB551388; IDH2392/AB607962;IDH2455/AB607963.