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Software for optimization of SNP and PCR-RFLP genotyping to discriminate many genomes with the fewest assays.

Identifieur interne : 002475 ( PubMed/Checkpoint ); précédent : 002474; suivant : 002476

Software for optimization of SNP and PCR-RFLP genotyping to discriminate many genomes with the fewest assays.

Auteurs : Shea N. Gardner [États-Unis] ; Mark C. Wagner

Source :

RBID : pubmed:15904493

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English descriptors

Abstract

Microbial forensics is important in tracking the source of a pathogen, whether the disease is a naturally occurring outbreak or part of a criminal investigation.

DOI: 10.1186/1471-2164-6-73
PubMed: 15904493


Affiliations:


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pubmed:15904493

Le document en format XML

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<nlm:affiliation>Pathogen Bio-Informatics, Lawrence Livermore National Laboratory, Livermore, CA, USA. gardner26@llnl.gov</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
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<name sortKey="Wagner, Mark C" sort="Wagner, Mark C" uniqKey="Wagner M" first="Mark C" last="Wagner">Mark C. Wagner</name>
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<term>Cluster Analysis</term>
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<term>Data Interpretation, Statistical</term>
<term>Genome</term>
<term>Genome, Viral</term>
<term>Genomics (methods)</term>
<term>Genotype</term>
<term>Haplotypes</term>
<term>Internet</term>
<term>Models, Statistical</term>
<term>Phylogeny</term>
<term>Polymerase Chain Reaction</term>
<term>Polymorphism, Restriction Fragment Length</term>
<term>Polymorphism, Single Nucleotide</term>
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<term>Species Specificity</term>
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<term>Analyse de regroupements</term>
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<term>Génomique ()</term>
<term>Génotype</term>
<term>Haplotypes</term>
<term>Internet</term>
<term>Interprétation statistique de données</term>
<term>Logiciel</term>
<term>Modèles statistiques</term>
<term>Phylogénie</term>
<term>Polymorphisme de nucléotide simple</term>
<term>Polymorphisme de restriction</term>
<term>Réaction de polymérisation en chaîne</term>
<term>Spécificité d'espèce</term>
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<term>DNA Restriction Enzymes</term>
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<term>Computational Biology</term>
<term>Genomics</term>
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<term>DNA restriction enzymes</term>
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<term>Cluster Analysis</term>
<term>Data Interpretation, Statistical</term>
<term>Genome</term>
<term>Genome, Viral</term>
<term>Genotype</term>
<term>Haplotypes</term>
<term>Internet</term>
<term>Models, Statistical</term>
<term>Phylogeny</term>
<term>Polymerase Chain Reaction</term>
<term>Polymorphism, Restriction Fragment Length</term>
<term>Polymorphism, Single Nucleotide</term>
<term>Software</term>
<term>Species Specificity</term>
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<term>Analyse de regroupements</term>
<term>Biologie informatique</term>
<term>Génome</term>
<term>Génome viral</term>
<term>Génomique</term>
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<term>Haplotypes</term>
<term>Internet</term>
<term>Interprétation statistique de données</term>
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<term>Modèles statistiques</term>
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<div type="abstract" xml:lang="en">Microbial forensics is important in tracking the source of a pathogen, whether the disease is a naturally occurring outbreak or part of a criminal investigation.</div>
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<AbstractText Label="BACKGROUND" NlmCategory="BACKGROUND">Microbial forensics is important in tracking the source of a pathogen, whether the disease is a naturally occurring outbreak or part of a criminal investigation.</AbstractText>
<AbstractText Label="RESULTS" NlmCategory="RESULTS">A method and SPR Opt (SNP and PCR-RFLP Optimization) software to perform a comprehensive, whole-genome analysis to forensically discriminate multiple sequences is presented. Tools for the optimization of forensic typing using Single Nucleotide Polymorphism (SNP) and PCR-Restriction Fragment Length Polymorphism (PCR-RFLP) analyses across multiple isolate sequences of a species are described. The PCR-RFLP analysis includes prediction and selection of optimal primers and restriction enzymes to enable maximum isolate discrimination based on sequence information. SPR Opt calculates all SNP or PCR-RFLP variations present in the sequences, groups them into haplotypes according to their co-segregation across those sequences, and performs combinatoric analyses to determine which sets of haplotypes provide maximal discrimination among all the input sequences. Those set combinations requiring that membership in the fewest haplotypes be queried (i.e. the fewest assays be performed) are found. These analyses highlight variable regions based on existing sequence data. These markers may be heterogeneous among unsequenced isolates as well, and thus may be useful for characterizing the relationships among unsequenced as well as sequenced isolates. The predictions are multi-locus. Analyses of mumps and SARS viruses are summarized. Phylogenetic trees created based on SNPs, PCR-RFLPs, and full genomes are compared for SARS virus, illustrating that purported phylogenies based only on SNP or PCR-RFLP variations do not match those based on multiple sequence alignment of the full genomes.</AbstractText>
<AbstractText Label="CONCLUSION" NlmCategory="CONCLUSIONS">This is the first software to optimize the selection of forensic markers to maximize information gained from the fewest assays, accepting whole or partial genome sequence data as input. As more sequence data becomes available for multiple strains and isolates of a species, automated, computational approaches such as those described here will be essential to make sense of large amounts of information, and to guide and optimize efforts in the laboratory. The software and source code for SPR Opt is publicly available and free for non-profit use at http://www.llnl.gov/IPandC/technology/software/softwaretitles/spropt.php.</AbstractText>
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