Dataset Information

SubtiList: the reference database for the Bacillus subtilis genome.

ABSTRACT: SubtiList is the reference database dedicated to the genome of Bacillus subtilis 168, the paradigm of Gram-positive endospore-forming bacteria. Developed in the framework of the B.subtilis genome project, SubtiList provides a curated dataset of DNA and protein sequences, combined with the relevant annotations and functional assignments. Information about gene functions and products is continuously updated by linking relevant bibliographic references. Recently, sequence corrections arising from both systematic verifications and submissions by individual scientists were included in the reference genome sequence. SubtiList is based on a generic relational data schema and a World Wide Web interface developed for the handling of bacterial genomes, called GenoList. The World Wide Web interface was designed to allow users to easily browse through genome data and retrieve information according to common biological queries. SubtiList also provides more elaborate tools, such as pattern searching, which are tightly connected to the overall browsing system. SubtiList is accessible at http://genolist.pasteur.fr/SubtiList/. Similar bacterial databases are accessible at http://genolist.pasteur.fr/.

SUBMITTER: Moszer I

PROVIDER: S-EPMC99059 | biostudies-literature | 2002 Jan

REPOSITORIES: biostudies-literature

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SubtiList: the reference database for the Bacillus subtilis genome.

Moszer Ivan I Jones Louis M LM Moreira Sandrine S Fabry Cécilia C Danchin Antoine A

Nucleic acids research 20020101 1

SubtiList is the reference database dedicated to the genome of Bacillus subtilis 168, the paradigm of Gram-positive endospore-forming bacteria. Developed in the framework of the B.subtilis genome project, SubtiList provides a curated dataset of DNA and protein sequences, combined with the relevant annotations and functional assignments. Information about gene functions and products is continuously updated by linking relevant bibliographic references. Recently, sequence corrections arising from b ...[more]

PMID: 11752255

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Project description:We report the genome sequence of Bacillus subtilis phage SPO1. The unique genome sequence is 132,562 bp long, and DNA packaged in the virion (the chromosome) has a 13,185-bp terminal redundancy, giving a total of 145,747 bp. We predict 204 protein-coding genes and 5 tRNA genes, and we correlate these findings with the extensive body of investigations of SPO1, including studies of the functions of the 61 previously defined genes and studies of the virion structure. Sixty-nine percent of the encoded proteins show no similarity to any previously known protein. We identify 107 probable transcription promoters; most are members of the promoter classes identified in earlier studies, but we also see a new class that has the same sequence as the host sigma K promoters. We find three genes encoding potential new transcription factors, one of which is a distant homologue of the host sigma factor K. We also identify 75 probable transcription terminator structures. Promoters and terminators are generally located between genes and together with earlier data give what appears to be a rather complete picture of how phage transcription is regulated. There are complete genome sequences available for five additional phages of Gram-positive hosts that are similar to SPO1 in genome size and in composition and organization of genes. Comparative analysis of SPO1 in the context of these other phages yields insights about SPO1 and the other phages that would not be apparent from the analysis of any one phage alone. These include assigning identities as well as probable functions for several specific genes and inferring evolutionary events in the phages' histories. The comparative analysis also allows us to put SPO1 into a phylogenetic context. We see a pattern similar to what has been noted in phage T4 and its relatives, in which there is minimal successful horizontal exchange of genes among a "core" set of genes that includes most of the virion structural genes and some genes of DNA metabolism, but there is extensive horizontal transfer of genes over the remainder of the genome. There is a correlation between genes in rapid evolutionary flux through these genomes and genes that are small.

Dataset Information

SubtiList: the reference database for the Bacillus subtilis genome.

Publications

SubtiList: the reference database for the Bacillus subtilis genome.

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