Characterization of atypical Listeria innocua isolated from swine slaughterhouses and meat markets


Autoria(s): Moreno, Luisa Zanolli; Paixao, Renata; Gobbi, Debora Dirani; Raimundo, Daniele Cristine; Ferreira, Thais Porfida; Hofer, Ernesto; Matte, Maria Helena; Moreno, Andrea Micke
Contribuinte(s)

UNIVERSIDADE DE SÃO PAULO

Data(s)

03/10/2013

03/10/2013

2012

Resumo

Atypical Listeria innocua strains presenting phenotypic characteristics similar to those of Listeria monocyto genes were recently isolated from food and the environment. These isolates also tested positive for virulence genes specific to L. monocytogenes. Here we report the isolation of atypical hemolytic L. innocua strains from the environment of pork processing plants in Brazil. The strains were positive for L. monocytogenes virulence genes hly, inlA and inlB by PCR and presented genotypic similarities with human isolates of L. monocytogenes via the AFLP technique using HindIII single enzyme protocol. Phenotypic and genotypic similarities suggest that these atypical L. innocua may be pathogenic strains. (C) 2012 Institut Pasteur. Published by Elsevier Masson SAS. All rights reserved.

FAPESP [06/55501-0, 10/19005-4]

Identificador

Research in Microbiology, v. 163, n. 4, pp. 268-271, may, 2012

0923-2508

http://www.producao.usp.br/handle/BDPI/33982

10.1016/j.resmic.2012.02.004

http://dx.doi.org/10.1016/j.resmic.2012.02.004

Idioma(s)

eng

Publicador

Elsevier Science

Amsterdam

Relação

Research in Microbiology

Direitos

closedAccess

Copyright Elsevier Science

Palavras-Chave #Listeria innocua #Listeria monocytogenes #Pork #AFLP #PCR #Virulence genes #POLYMORPHISM AFLP ANALYSIS #POLYMERASE-CHAIN-REACTION #GENUS LISTERIA #MONOCYTOGENES #PATHOGENICITY #EVOLUTION #PRODUCTS #STRAINS #GENES #PRODUTOS PECUÁRIOS #CONSUMO #LISTERIA #FENÓTIPOS #GENÓTIPOS #MICROBIOLOGY
Tipo

article

original article

publishedVersion