Sequence element enrichment analysis to determine the genetic basis of bacterial phenotypes
Identifieur interne : 001781 ( Ncbi/Curation ); précédent : 001780; suivant : 001782Sequence element enrichment analysis to determine the genetic basis of bacterial phenotypes
Auteurs : John A. Lees [Royaume-Uni] ; Minna Vehkala [Finlande] ; Niko V Lim Ki [Finlande] ; Simon R. Harris [Royaume-Uni] ; Claire Chewapreecha [Royaume-Uni] ; Nicholas J. Croucher [Royaume-Uni] ; Pekka Marttinen [Finlande] ; Mark R. Davies [Australie] ; Andrew C. Steer [Australie] ; Steven Y. C. Tong [Australie] ; Antti Honkela [Finlande] ; Julian Parkhill [Royaume-Uni] ; Stephen D. Bentley [Royaume-Uni] ; Jukka Corander [Royaume-Uni, Finlande, Norvège]Source :
- Nature Communications [ 2041-1723 ] ; 2016.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , genetics : DNA, Bacterial.
- genetics : Streptococcus pneumoniae, Streptococcus pyogenes.
- Computer Simulation, Genome, Bacterial, Genome-Wide Association Study, Models, Genetic, Nucleic Acid Amplification Techniques.
Abstract
Bacterial genomes vary extensively in terms of both gene content and gene sequence. This plasticity hampers the use of traditional SNP-based methods for identifying all genetic associations with phenotypic variation. Here we introduce a computationally scalable and widely applicable statistical method (SEER) for the identification of sequence elements that are significantly enriched in a phenotype of interest. SEER is applicable to tens of thousands of genomes by counting variable-length k-mers using a distributed string-mining algorithm. Robust options are provided for association analysis that also correct for the clonal population structure of bacteria. Using large collections of genomes of the major human pathogens
Url:
DOI: 10.1038/ncomms12797
PubMed: 27633831
PubMed Central: 5028413
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PMC:5028413Le document en format XML
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, 0317 Oslo,<country>Norway</country>
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<series><title level="j">Nature Communications</title>
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<term>Genome, Bacterial</term>
<term>Genome-Wide Association Study</term>
<term>Models, Genetic</term>
<term>Nucleic Acid Amplification Techniques</term>
<term>Streptococcus pneumoniae (genetics)</term>
<term>Streptococcus pyogenes (genetics)</term>
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<term>Génome bactérien</term>
<term>Modèles génétiques</term>
<term>Simulation numérique</term>
<term>Streptococcus pneumoniae (génétique)</term>
<term>Streptococcus pyogenes (génétique)</term>
<term>Techniques d'amplification d'acides nucléiques</term>
<term>Étude d'association pangénomique</term>
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</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Streptococcus pneumoniae</term>
<term>Streptococcus pyogenes</term>
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<term>Streptococcus pneumoniae</term>
<term>Streptococcus pyogenes</term>
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<keywords scheme="MESH" xml:lang="en"><term>Computer Simulation</term>
<term>Genome, Bacterial</term>
<term>Genome-Wide Association Study</term>
<term>Models, Genetic</term>
<term>Nucleic Acid Amplification Techniques</term>
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<term>Modèles génétiques</term>
<term>Simulation numérique</term>
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<front><div type="abstract" xml:lang="en"><p>Bacterial genomes vary extensively in terms of both gene content and gene sequence. This plasticity hampers the use of traditional SNP-based methods for identifying all genetic associations with phenotypic variation. Here we introduce a computationally scalable and widely applicable statistical method (SEER) for the identification of sequence elements that are significantly enriched in a phenotype of interest. SEER is applicable to tens of thousands of genomes by counting variable-length k-mers using a distributed string-mining algorithm. Robust options are provided for association analysis that also correct for the clonal population structure of bacteria. Using large collections of genomes of the major human pathogens <italic>Streptococcus pneumoniae</italic>
and <italic>Streptococcus pyogenes</italic>
, SEER identifies relevant previously characterized resistance determinants for several antibiotics and discovers potential novel factors related to the invasiveness of <italic>S. pyogenes</italic>
. We thus demonstrate that our method can answer important biologically and medically relevant questions.</p>
</div>
</front>
<back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Falush, D" uniqKey="Falush D">D. Falush</name>
</author>
</analytic>
</biblStruct>
<biblStruct><analytic><author><name sortKey="Chen, P E" uniqKey="Chen P">P. E. Chen</name>
</author>
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