RT Journal Article
T1 Identification of bacteriocin genes in enterococci isolated from game animals and saltwater fish
A1 Almeida, Tereza
A1 Brandão, Andreia
A1 Muñoz Atienza, Estefanía
A1 Gonçalves, Alexandre
A1 Torres, Carmen
A1 Igrejas, Gilberto
A1 Hernández Cruza, Pablo Elpidio
A1 Herranz Sorribes, Carmen
A1 Cintas Izarra, Luis Miguel
A1 Poeta, Patrícia
AB Bacteriocins produced by enterococci, referred to as enterocins, possess great interest for their potential use as biopreservatives in food and feed, as well as alternative antimicrobials in humans and animals. In this context, the aim of the present study was to determine the antimicrobial activity and the presence of bacteriocin structural genes in fecal enterococcal isolates from animal origins. Evaluation of the direct antimicrobial activity of 253 isolates from wild boars (Sus scrofa, n = 69), mullets (Liza ramada, n = 117), and partridges (Perdix perdix, n = 67) against eight indicator bacterial strains (including Listeria monocytogenes, Pediococcus pentosaceus, and Enterococcus spp.) showed that 177 (70%) exerted antimicrobial activity against at least one indicator microorganism. From these isolates, 123 were further selected on the basis of their inhibition group, and 81 were found to be producers of bacteriocins active against Listeria monocytogenes. Analysis of the presence of enterocin structural genes in a subset of 36 isolates showed that 70% harbored one or more of the evaluated genes, those of enterocin P and hiracin JM79 being the most prevalent. These results show that wild animals constitute an appropriate source for the isolation of bacteriocinogenic enterococci.
PB Elsevier
SN 0362-028X
YR 2011
FD 2011-03-21
LK https://hdl.handle.net/20.500.14352/94164
UL https://hdl.handle.net/20.500.14352/94164
LA eng
NO Almeida, T., Brandão, A., Muñoz-Atienza, E., Gonçalves, A., Torres, C., Igrejas, G., Hernández, P. E., Herranz, C., Cintas, L. M., & Poeta, P. (2011). Identification of bacteriocin genes in enterococci isolated from game animals and saltwater fish. Journal of food protection, 74(8), 1252–1260. https://doi.org/10.4315/0362-028X.JFP-11-016
NO Ministerio de Ciencia e Innovación
NO Ministerio de Educación, Cultura y Deporte
NO Ministerio de Ciencia y Tecnología
NO Comunidad de Madrid
NO European Commission and Agência Nacional from Portugal
DS Docta Complutense
RD 6 oct 2024