Population Structure, Antimicrobial Resistance, and Virulence-Associated Genes in Campylobacter jejuni Isolated From Three Ecological Niches: Gastroenteritis Patients, Broilers, and Wild Birds
Ver/Abrir
Autor/a
Iglesias-Torrens, Yaidelys
Miró, Elisenda
Guirado, Pedro
Llovet, Teresa
Muñoz, Carmen
Madrid, Cristina
Balsalobre, Carlos
Navarro, Ferran
Fecha de publicación
2018-08-02ISSN
1664-302X
Resumen
Campylobacter jejuni is the causal agent of the food-borne infection with the highest incidence in Europe. Both poultry and wild birds are a major reservoir. To gain insight into the population structure, virulence potential, and antimicrobial resistance (AMR), a collection of 150 isolates from three different ecological niches (broilers, wild birds, and human patients) was studied. Despite the high genetic diversity found, the population structure defined two distinct clusters, one formed mostly by broiler and human isolates and another one by most wild bird isolates. The ST-21 complex exhibits highest prevalence (in humans and broilers), followed by ST-1275 complex (only in wild birds). The ST-48, -45, and -354 complexes were found in all three niches, but represent only 22 out of 150 studied strains. A higher occurrence of AMR and multidrug resistance was detected among broiler and human isolates. Moreover, significant differences were found in the distribution of certain putative virulence genes. Remarkably, many wild bird strains were negative for either cdtA, cdtB, or cdtC from the canonical strain 81-176, whereas all broiler and human strains were positive. These data suggest that the different variants of the cdt genes might be relevant for the efficient colonization of certain hosts by C. jejuni. Our study contributes to the understanding of the role of the diverse Campylobacter reservoirs in the transmission of campylobacteriosis to humans
Tipo de documento
Artículo
Versión del documento
Versión publicada
Lengua
English
Materias (CDU)
619 - Veterinaria
Páginas
13
Publicado por
Frontiers Media
Publicado en
Frontiers in Microbiology
Citación
Iglesias-Torrens, Yaidelys, Elisenda Miró, Pedro Guirado, Teresa Llovet, Carmen Muñoz, Marta Cerdà-Cuéllar, Cristina Madrid, Carlos Balsalobre, and Ferran Navarro. 2018. "Population Structure, Antimicrobial Resistance, And Virulence-Associated Genes In Campylobacter Jejuni Isolated From Three Ecological Niches: Gastroenteritis Patients, Broilers, And Wild Birds". Frontiers In Microbiology 9. Frontiers Media SA. doi:10.3389/fmicb.2018.01676.
Número del acuerdo de la subvención
MINECOPrograma Estatal de I+D+I orientada a los retos de la sociedad/AGL2013-45339R/ES/Identificación de factores implicados en la transmisión de la campilobacteriosis por alimentos/
INIA/ /FAU2008-00012-C02-01/ES/Epidemiología de Salmonella y Campylobacter en granjas avícolas de cría al aire libre en relación con la proximidad de colonias de gaviotas/
INIA/Programa Nacional de Proyectos de Investigación Fundamental/RTA2009-00117-00-00/ES/Epidemiología de Campylobacter en granjas de pollos de engorde en España: prevalencia, subtipos existentes, factores de riesgo y dinámica de la infección en granjas/
EC/FP7/244547/EU/Campylobacter control - novel approaches in primary poultry production/CAMCON
Program
Sanitat Animal
Este ítem aparece en la(s) siguiente(s) colección(ones)
- ARTICLES CIENTÍFICS [2831]
Excepto si se señala otra cosa, la licencia del ítem se describe como http://creativecommons.org/licenses/by/4.0/