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C. jejuni/C. coli core genome MLST (cgMLST) scheme

A C. jejuni / C. coli core genome MLST (cgMLST) scheme v1.0 has been defined from 2,742 Oxfordshire Human Surveillance genomes, for use in the analysis of human disease isolates.

Loci appearing in 95% or more of genomes were detected, using the Genome Comparator function of BIGSdb, from the 1,643 loci defined by the re-annotation of the NCTC11168 genome (Gundogdu et al., 2007). Potential paralogues were identified in 5 subsets of 10 isolates by running Genome Comparator and excluding paralogous loci from distance matrix calculations; firstly, when loci were paralogous in all isolates (default BLAST settings) and secondly when loci were paralogous in any isolates (min 90% sequence similarity BLAST setting). Sequence similarities to loci thus detected were identified in further loci using GeneDB. This resulted in the identification of 22 potential paralogous loci which were removed from the original 95% core list to provide a cgMLST scheme of 1,343 loci.

This scheme is available for selection within the sequence definition and isolate databases. It can also be accessed via the RESTful API.


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This publication made use of the Campylobacter Multi Locus Sequence Typing website (https://pubmlst.org/ campylobacter/) sited at the University of Oxford (Jolley et al. Wellcome Open Res 2018, 3:124 [version 1; referees: 2 approved]). The development of this site has been funded by the Wellcome Trust.