Dataset Information

Complete Genome Sequence of an MLB2 Astrovirus from a Turkish Child with Diarrhea.

ABSTRACT: Only two complete genome sequences of MLB2 astroviruses are available, one from an Indian child with diarrhea and another from plasma of an American child. Here we report the complete MLB2 genome sequence from a Turkish child with diarrhea. This MLB2 astrovirus genome sequence shows high nucleotide identity with the American MLB2.

SUBMITTER: Mitui MT

PROVIDER: S-EPMC3744683 | biostudies-literature | 2013 Aug

REPOSITORIES: biostudies-literature

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Complete Genome Sequence of an MLB2 Astrovirus from a Turkish Child with Diarrhea.

Mitui Marcelo Takahiro MT Bozdayi Gulendam G Matsumoto Takashi T Dalgic Buket B Nishizono Akira A Ahmed Kamruddin K

Genome announcements 20130815 4

Only two complete genome sequences of MLB2 astroviruses are available, one from an Indian child with diarrhea and another from plasma of an American child. Here we report the complete MLB2 genome sequence from a Turkish child with diarrhea. This MLB2 astrovirus genome sequence shows high nucleotide identity with the American MLB2. ...[more]

PMID: 23950127

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Project description:OBJECTIVE:Chicken astroviruses have been known to cause severe disease in chickens leading to increased mortality and "white chicks" condition. Here we aim to characterize the causative agent of visceral gout suspected for astrovirus infection in broiler breeder chickens. METHODS:Total RNA isolated from allantoic fluid of SPF embryo passaged with infected chicken sample was sequenced by whole genome shotgun sequencing using ion-torrent PGM platform. The sequence was analysed for the presence of coding and non-coding features, its similarity with reported isolates and epitope analysis of capsid structural protein. RESULTS:The consensus length of 7513 bp genome sequence of Indian isolate of chicken astrovirus was obtained after assembly of 14,121 high quality reads. The genome was comprised of 13 bp 5'-UTR, three open reading frames (ORFs) including ORF1a encoding serine protease, ORF1b encoding RNA dependent RNA polymerase (RdRp) and ORF2 encoding capsid protein, and 298 bp of 3'-UTR which harboured two corona virus stem loop II like "s2m" motifs and a poly A stretch of 19 nucleotides. The genetic analysis of CAstV/INDIA/ANAND/2016 suggested highest sequence similarity of 86.94% with the chicken astrovirus isolate CAstV/GA2011 followed by 84.76% with CAstV/4175 and 74.48%% with CAstV/Poland/G059/2014 isolates. The capsid structural protein of CAstV/INDIA/ANAND/2016 showed 84.67% similarity with chicken astrovirus isolate CAstV/GA2011, 81.06% with CAstV/4175 and 41.18% with CAstV/Poland/G059/2014 isolates. However, the capsid protein sequence showed high degree of sequence identity at nucleotide level (98.64-99.32%) and at amino acids level (97.74-98.69%) with reported sequences of Indian isolates suggesting their common origin and limited sequence divergence. The epitope analysis by SVMTriP identified two unique epitopes in our isolate, seven shared epitopes among Indian isolates and two shared epitopes among all isolates except Poland isolate which carried all distinct epitopes.

Dataset Information

Complete Genome Sequence of an MLB2 Astrovirus from a Turkish Child with Diarrhea.

Publications

Complete Genome Sequence of an MLB2 Astrovirus from a Turkish Child with Diarrhea.

Similar Datasets

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