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Int J Syst Evol Microbiol. 2015 Jan;65(Pt 1):286-92. doi: 10.1099/ijs.0.070839-0. Epub 2014 Oct 23.

Listeria booriae sp. nov. and Listeria newyorkensis sp. nov., from food processing environments in the USA.

Author information

1
Department of Food Science, Cornell University, Ithaca NY 14853, USA.
2
Department of Food Science, Cornell University, Ithaca NY 14853, USA hcd5@cornell.edu.

Abstract

Sampling of seafood and dairy processing facilities in the north-eastern USA produced 18 isolates of Listeria spp. that could not be identified at the species-level using traditional phenotypic and genotypic identification methods. Results of phenotypic and genotypic analyses suggested that the isolates represent two novel species with an average nucleotide blast identity of less than 92% with previously described species of the genus Listeria. Phylogenetic analyses based on whole genome sequences, 16S rRNA gene and sigB gene sequences confirmed that the isolates represented by type strain FSL M6-0635(T) and FSL A5-0209 cluster phylogenetically with Listeria cornellensis. Phylogenetic analyses also showed that the isolates represented by type strain FSL A5-0281(T) cluster phylogenetically with Listeria riparia. The name Listeria booriae sp. nov. is proposed for the species represented by type strain FSL A5-0281(T) ( =DSM 28860(T) =LMG 28311(T)), and the name Listeria newyorkensis sp. nov. is proposed for the species represented by type strain FSL M6-0635(T) ( =DSM 28861(T) =LMG 28310(T)). Phenotypic and genotypic analyses suggest that neither species is pathogenic.

PMID:
25342111
DOI:
10.1099/ijs.0.070839-0
[Indexed for MEDLINE]
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