Genes were predicted by using the annotation pipeline Prokka (Seemann, 2014 (link)), which depend on Prodigal (Hyatt et al., 2010 (link)) for gene prediction. Core genome multi-locus sequence typing (cgMLST) was made using Ridom SeqSphere+, version 8.2.0, using the Oxford v.1 schema (Cody et al., 2017 (link)). Single-nucleotide polymorphism (SNP) analysis was made using Snippy,2 version 4.0.2. The reference genome used for the SNP analysis was the GenBank C. jejuni reference NC002163.1. The percentage of the reference genome k-mers (20-mers) found in the assemblies was quantified using the tngs tool.
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