A clade of Listeria monocytogenes serotype 4b variant strains linked to recent listeriosis outbreaks associated with produce from a defined geographic region in the US - Fig 3
figureposted on 2017-05-02, 17:35 authored by Laurel S. Burall, Christopher J. Grim, Atin R. Datta
Maximum likelihood trees (bootstrapping n = 1000) obtained of the 4b isolates using CFSAN023463 (A) or F2365 (B) as the reference strain for the CFSAN Pipeline analysis. The scale bars indicate distance as assessed by the Tamura-Nei Method .
JSpecies tetramervirulence lociMulti-Virulence-Locus Sequence Typinggenome sequencingCFSAN SNP PipelineSNP distancesSNP differenceslisteriosis outbreakscladeserotype 4 b variant strainsWGS SNP analysesincidents formtetranucleotide frequency4 bV strainsgenomic comparisonsselection pressure19 monthsreference genomesevaluation relatednessregion