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Biblioteca (s) :  INIA Las Brujas.
Fecha :  17/08/2023
Actualizado :  17/08/2023
Tipo de producción científica :  Artículos en Revistas Indexadas Internacionales
Autor :  FERNÁNDEZ, M.; CASAUX, M.L.; FRAGA, M.; VIGNOLI, R.; BADO, I.; ZUNINO, P.; UMPIÉRREZ, A.
Afiliación :  MAGALÍ FERNÁNDEZ, Departamento de Microbiología, Instituto de Investigaciones Biológicas Clemente Estable, Avenida Italia 3318, Montevideo 11600, Uruguay; MARÍA LAURA CASAUX, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARTIN FRAGA COTELO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; RAFAEL VIGNOLI, Departamento de Bacteriología y Virología, Facultad de Medicina, UdelaR, Av Alfredo Navarro 3051, Montevideo 11600, Uruguay; INÉS BADO, Departamento de Bacteriología y Virología, Facultad de Medicina, UdelaR, Av Alfredo Navarro 3051, Montevideo 11600, Uruguay; PABLO ZUNINO, Departamento de Microbiología, Instituto de Investigaciones Biológicas Clemente Estable, Avenida Italia 3318, Montevideo 11600, Uruguay; ANA UMPIÉRREZ, Departamento de Microbiología, Instituto de Investigaciones Biológicas Clemente Estable, Avenida Italia 3318, Montevideo 11600, Uruguay.
Título :  Shiga toxin-producing Escherichia coli (STEC) associated with calf mortality in Uruguay.
Fecha de publicación :  2023
Fuente / Imprenta :  Microorganisms. 2023, Volume 11, Issue 7, p. 1704. https://doi.org/10.3390/microorganisms11071704 ---- OPEN ACCESS.
ISSN :  2076-2607 (electronic).
DOI :  10.3390/microorganisms11071704
Idioma :  Inglés
Notas :  Article history: Received 17 May 2023; Revised 5 June 2023; Accepted 8 June 2023; Published 29 June 2023. -- Academic Editors: Kim Stanford, Flemming Scheutz, Chad R. Laing, Linda Chui, Nicole Van De Kar, Patricia Griffin, Tim A. McAllister and Gillian Tarr. -- This article belongs to the Special Issue The Science of Shiga Toxin-Producing (Verotoxin-Producing) Escherichia coli (STEC): An Ongoing One Health Journey toward Improved Health and Food Safety) (https://www.mdpi.com/journal/microorganisms/special_issues/STEC_VTEC ) -- LICENSE: Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). -- FUNDING: This research was partially funded by the project PL-15 from "Instituto Nacional de Investigación Agropecuaria" (INIA).. -- Supplementary imaterials an be downloaded at: https://www.mdpi.com/article/10.3390/microorganisms11071704/s1. Table S1: Origin of the animals. Table S2: Virulence profiles in E. coli isolates recovered from dead animals (n = 221).
Contenido :  ABSTRACT.- In Uruguay, the mortality of dairy calves due to infectious diseases is high. Escherichia coli is a natural inhabitant of the intestinal microbiota, but can cause several infections. The aim of the work was to characterize E. coli isolates from intestinal and extraintestinal origin of dead newborn calves. Using PCR, virulence gene characteristics of pathogenic E. coli were searched. The pathogenic E. coli were molecularly characterized and the phylogroup, serogroup and the Stx subtype were determined. Antibiotic susceptibility was determined using the Kirby-Bauer disk diffusion method and plasmid-mediated quinolone resistance (PMQR) genes with PCR. Finally, clonal relationships were inferred using PFGE. Gene characteristics of the Shiga toxin-producing E. coli (STEC), Enteropathogenic E. coli (EPEC) and Necrotoxigenic E. coli (NTEC) were identified. The prevalence of the iucD, afa8E, f17, papC, stx1, eae and ehxA genes was high and no f5, f41, saa, sfaDE, cdtIV, lt, sta or stx2 were detected. The prevalence of STEC gene stx1 in the dead calves stood out and was higher compared with previous studies conducted in live calves, and STEC LEE+ (Enterohemorrhagic E. coli (EHEC)) isolates with stx1/eae/ehxA genotypes were more frequently identified in the intestinal than in the extraintestinal environment. E. coli isolates were assigned to phylogroups A, B1, D and E, and some belonged to the O111 serogroup. stx1a and stx1c subtypes were determined in STEC. A high prevalen... Presentar Todo
Palabras claves :  Dairy calf; MDR STEC; Mortality; PLATAFORMA DE INVESTIGACIÓN EN SALUD ANIMAL - INIA; Shiga toxin-producing E. coli.
Asunto categoría :  L01 Ganadería
URL :  https://www.mdpi.com/2076-2607/11/7/1704/pdf
Marc :  Presentar Marc Completo
Registro original :  INIA Las Brujas (LB)
Biblioteca Identificación Origen Tipo / Formato Clasificación Cutter Registro Volumen Estado
LB103635 - 1PXIAP - DDMicroorganisms/2023

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Biblioteca (s) :  INIA La Estanzuela.
Fecha actual :  15/01/2020
Actualizado :  05/09/2022
Tipo de producción científica :  Artículos en Revistas Indexadas Internacionales
Circulación / Nivel :  Internacional - --
Autor :  CASTELLS, M.; BERTONI, ESTEFANY; CAFFARENA, D.; CASAUX, M.L.; SCHILD, C.; VICTORIA, M.; RIET-CORREA, F.; GIANNITTI, F.; PARREÑO, V.; COLINA, R.
Afiliación :  MATÍAS CASTELLS BAUER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay./Laboratorio de Virología Molecular, CENUR Litoral Norte, Centro Universitario de Salto, Universidad de la República, Rivera 1350, Salto, Uruguay.; ESTEFANY BERTONI, Laboratorio de Virología Molecular, CENUR Litoral Norte, Centro Universitario de Salto, Universidad de la República, Rivera 1350, Salto, Uruguay.; RUBEN DARÍO CAFFARENA LEDESMA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARÍA LAURA CASAUX, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; CARLOS SCHILD, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MATIAS VICTORIA, Laboratorio de Virología Molecular, CENUR Litoral Norte, Centro Universitario de Salto, Universidad de la República, Rivera 1350, Salto, Uruguay.; FRANKLIN RIET-CORREA AMARAL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FEDERICO GIANNITTI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; VIVIANA PARREÑO, Sección de Virus Gastroentéricos, Instituto de Virología, CICV y A, INTA Castelar, Nicolás Repetto S/N, Buenos Aires 1686, Argentina.; RODNEY COLINA, Laboratorio de Virología Molecular, CENUR Litoral Norte, Centro Universitario de Salto, Universidad de la República, Rivera 1350, Salto, Uruguay.
Título :  Bovine astrovirus surveillance in Uruguay reveals high detection rate of a novel mamastrovirus species.
Fecha de publicación :  2020
Fuente / Imprenta :  Viruses, Dec 27, Vol. 12 , n.1, 2020. OPEN ACCESS. Doi: https://doi.org/10.3390/v12010032
DOI :  10.3390/v12010032
Idioma :  Inglés
Notas :  Article history: Received: 26 October 2019 / Revised: 15 November 2019 / Accepted: 15 November 2019 / Published: 27 December 2019. Supplementary Materials: The following are available online at http://www.mdpi.com/1999-4915/12/1/32/s1.Figure S1: Maximum-likelihood tree constructed with complete capsid nucleotide sequences of MAstVs, Figure S2: Maximum-likelihood tree constructed with partial capsid amino acid sequences, Table S1: Partial polymerase sequences used for the phylogenetic analysis, and Table S2: Complete capsid sequences used for the MAstV species classification.Author Contributions: Conceptualization, M.C. and R.C.; methodology, M.C., E.B., R.D.C., M.L.C. and C.S.;resources, M.C., F.R.-C., F.G. and R.C.; writing?original draft preparation, M.C.; writing?review and editing,M.C., E.B., R.D.C., M.L.C., C.S., M.V., F.R.-C., F.G., V.P. and R.C.; funding acquisition, M.C. and R.C. All authors have read and agreed to the published version of the manuscript. Funding: This research was funded by ?Comisión Sectorial de Investigación Científica? (CSIC), grant number ini2017_158 and ?Instituto Nacional de Investigación Agropecuaria? (INIA), grant number PL_015 N-15156. Acknowledgments: M.C. acknowledges support from the ?Agencia Nacional de Investigación e Innovación? (ANII) through a PhD scholarship.
Contenido :  Abstract: Viral infections affecting cattle lead to economic losses to the livestock industry worldwide, but little is known about the circulation, pathogenicity and genetic diversity of enteric bovine astrovirus (BoAstV) in America. The aim of this work was to describe the prevalence and genetic diversity of enteric BoAstV in dairy cattle in Uruguay. A total of 457 fecal and 43 intestinal contents from dairy calves were collected between July 2015 and May 2017 and tested by RT-PCR, followed by sequencing and phylogenetic analyses of the polymerase and capsid regions. Twenty-six percent (128/500) of the samples were positive. Three different species within the Mamastrovirus genus were identified, including Mamastrovirus 28, Mamastrovirus 33 (3 samples each) and an unclassified Mamastrovirus species (19 samples). The unclassified species was characterized as a novel Mamastrovirus species. BoAstV circulates in Uruguayan dairy cattle with a high genetic diversity. The eventual clinicopathological significance of enteric BoAstV infection in cattle needs further investigation.
Palabras claves :  BOVINE ASTROVIRUS; DAIRY CATTLE; GENETIC DIVERSITY; MAMASTROVIRUS SPECIES; PLATAFORMA DE SALUD ANIMAL; PREVALENCE.
Thesagro :  URUGUAY.
Asunto categoría :  L73 Enfermedades de los animales
URL :  http://www.ainfo.inia.uy/digital/bitstream/item/16691/1/viruses-12-00032.pdf
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7019600/pdf/viruses-12-00032.pdf
Marc :  Presentar Marc Completo
Registro original :  INIA La Estanzuela (LE)
Biblioteca Identificación Origen Tipo / Formato Clasificación Cutter Registro Volumen Estado
LE103081 - 1PXIAP - DDPP/Viruses/2020
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