SrasV1, Main, Exploration, bibRecord, 005F91

Genome organization of the SARS-CoV.

Identifieur interne : 005F91 ( Main/Exploration ); précédent : 005F90; suivant : 005F92

Genome organization of the SARS-CoV.

Auteurs : Jing Xu [République populaire de Chine] ; Jianfei Hu ; Jing Wang ; Yujun Han ; Yongwu Hu ; Jie Wen ; Yan Li ; Jia Ji ; Jia Ye ; Zizhang Zhang ; Wei Wei ; Songgang Li ; Jun Wang ; Jian Wang ; Jun Yu ; Huanming Yang

Source :

Genomics, proteomics & bioinformatics [ 1672-0229 ] ; 2003.

RBID : pubmed:15629035

Descripteurs français

English descriptors

KwdEn :
- Amino Acid Substitution, Base Composition, Base Sequence, Computational Biology (methods), Genome, Viral, Isoelectric Point, Models, Genetic, Molecular Sequence Data, Molecular Weight, Open Reading Frames, SARS Virus (genetics), Sequence Analysis, Transcription, Genetic.
MESH :
- genetics : SARS Virus.
- methods : Computational Biology.
- Amino Acid Substitution, Base Composition, Base Sequence, Genome, Viral, Isoelectric Point, Models, Genetic, Molecular Sequence Data, Molecular Weight, Open Reading Frames, Sequence Analysis, Transcription, Genetic.

Abstract

Annotation of the genome sequence of the SARS-CoV (severe acute respiratory syndrome-associated coronavirus) is indispensable to understand its evolution and pathogenesis. We have performed a full annotation of the SARS-CoV genome sequences by using annotation programs publicly available or developed by ourselves. Totally, 21 open reading frames (ORFs) of genes or putative uncharacterized proteins (PUPs) were predicted. Seven PUPs had not been reported previously, and two of them were predicted to contain transmembrane regions. Eight ORFs partially overlapped with or embedded into those of known genes, revealing that the SARS-CoV genome is a small and compact one with overlapped coding regions. The most striking discovery is that an ORF locates on the minus strand. We have also annotated non-coding regions and identified the transcription regulating sequences (TRS) in the intergenic regions. The analysis of TRS supports the minus strand extending transcription mechanism of coronavirus. The SNP analysis of different isolates reveals that mutations of the sequences do not affect the prediction results of ORFs.

DOI: 10.1016/s1672-0229(03)01028-3
PubMed: 15629035

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="en">Annotation of the genome sequence of the SARS-CoV (severe acute respiratory syndrome-associated coronavirus) is indispensable to understand its evolution and pathogenesis. We have performed a full annotation of the SARS-CoV genome sequences by using annotation programs publicly available or developed by ourselves. Totally, 21 open reading frames (ORFs) of genes or putative uncharacterized proteins (PUPs) were predicted. Seven PUPs had not been reported previously, and two of them were predicted to contain transmembrane regions. Eight ORFs partially overlapped with or embedded into those of known genes, revealing that the SARS-CoV genome is a small and compact one with overlapped coding regions. The most striking discovery is that an ORF locates on the minus strand. We have also annotated non-coding regions and identified the transcription regulating sequences (TRS) in the intergenic regions. The analysis of TRS supports the minus strand extending transcription mechanism of coronavirus. The SNP analysis of different isolates reveals that mutations of the sequences do not affect the prediction results of ORFs.</div>
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Genome organization of the SARS-CoV.

Genome organization of the SARS-CoV.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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