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Single-nucleotide polymorphism analysis of Listeria monocytogenes isolates, Italy, May 2016 (n = 9)
The maximum likelihood tree done with the CSI Phylogeny 1.2 tool highlights two distinct clusters, one that includes eight ST11 isolates and one that includes the ST5 environmental isolate and the reference strain “L. monoreference” (GenBank accession number: AL591824.1).
