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A new approach to in silico SNP detection and some new SNPs in the Bacillus anthracis genome.


ABSTRACT: BACKGROUND:Bacillus anthracis is one of the most monomorphic pathogens known. Identification of polymorphisms in its genome is essential for taxonomic classification, for determination of recent evolutionary changes, and for evaluation of pathogenic potency. FINDINGS:In this work three strains of the Bacillus anthracis genome are compared and previously unpublished single nucleotide polymorphisms (SNPs) are revealed. Moreover, it is shown that, despite the highly monomorphic nature of Bacillus anthracis, the SNPs are (1) abundant in the genome and (2) distributed relatively uniformly across the sequence. CONCLUSIONS:The findings support the proposition that SNPs, together with indels and variable number tandem repeats (VNTRs), can be used effectively not only for the differentiation of perfect strain data, but also for the comparison of moderately incomplete, noisy and, in some cases, unknown Bacillus anthracis strains. In the case when the data is of still lower quality, a new DNA sequence fingerprinting approach based on recently introduced markers, based on combinatorial-analytic concepts and called cyclic difference sets, can be used.

SUBMITTER: Brodzik AK 

PROVIDER: S-EPMC3094368 | biostudies-literature | 2011 Apr

REPOSITORIES: biostudies-literature

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A new approach to in silico SNP detection and some new SNPs in the Bacillus anthracis genome.

Brodzik Andrzej K AK   Francoeur Joe J  

BMC research notes 20110408


<h4>Background</h4>Bacillus anthracis is one of the most monomorphic pathogens known. Identification of polymorphisms in its genome is essential for taxonomic classification, for determination of recent evolutionary changes, and for evaluation of pathogenic potency.<h4>Findings</h4>In this work three strains of the Bacillus anthracis genome are compared and previously unpublished single nucleotide polymorphisms (SNPs) are revealed. Moreover, it is shown that, despite the highly monomorphic natur  ...[more]

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