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Rodrigues RDS, Araujo NFD, Viana C, Yamatogi RS, Nero LA. In Silico Detection of Integrons and Their Relationship with Resistance Phenotype of Salmonella Isolates from a Brazilian Pork Production Chain. Foodborne Pathog Dis 2024; 21:395-402. [PMID: 38917456 DOI: 10.1089/fpd.2023.0118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2024] Open
Abstract
The pork production chain is an important reservoir of antimicrobial resistant bacteria. This study identified and characterized integrons in Salmonella isolates from a Brazilian pork production chain and associate them with their antibiotic resistance pattern. A total of 41 whole-genome sequencing data of nontyphoidal Salmonella were analyzed using PlasmidSPAdes and IntegronFinder software. Nine isolates (21.9%) had some integrons identified (complete and/or incomplete). Six complete class 1 integrons were found, with streptomycin resistance genes (aadA1, aadA2) alone or downstream of a trimethoprim resistance gene (dfrA1, dfrA12), and some also containing resistance genes for sulfonamides (sul1, sul3) and chloramphenicol (cmlA1). Class 2 integron was detected in only one isolate, containing dfrA1-sat2-aadA1 gene cassettes. Five isolates harbored CALINs-clusters attC but lacking integrases-with antimicrobial resistance genes typically found in integron structures. In all, integrons were observed among four serotypes: Derby, Bredeney, Panama, and monophasic var. Typhimurium I 4,[5],12:i:-. The association of integrons with antibiotic resistance phenotype showed that these elements were predominantly identified in multidrug resistance isolates, and six of the seven gentamicin-resistant isolates had integrons. So, surveillance of integrons in Salmonella should be performed to identify the potential for the spread of antimicrobial resistance genes among bacteria.
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Affiliation(s)
- Rafaela da Silva Rodrigues
- InsPOA - Laboratory of Food Inspection, Department of Veterinary Medicine, Federal University of Viçosa, Campus Universitário, Viçosa, Brazil
| | - Natália Ferreira de Araujo
- InsPOA - Laboratory of Food Inspection, Department of Veterinary Medicine, Federal University of Viçosa, Campus Universitário, Viçosa, Brazil
| | - Cibeli Viana
- InsPOA - Laboratory of Food Inspection, Department of Veterinary Medicine, Federal University of Viçosa, Campus Universitário, Viçosa, Brazil
| | - Ricardo Seiti Yamatogi
- InsPOA - Laboratory of Food Inspection, Department of Veterinary Medicine, Federal University of Viçosa, Campus Universitário, Viçosa, Brazil
| | - Luís Augusto Nero
- InsPOA - Laboratory of Food Inspection, Department of Veterinary Medicine, Federal University of Viçosa, Campus Universitário, Viçosa, Brazil
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Gabana ADA, Núncio ASP, Lopes BC, de Oliveira JA, da Silva Monteiro L, de Menezes Coppola M, Furian TQ, Borges KA, Rodrigues LB, Mayer FQ. Different Multidrug-Resistant Salmonella spp. Serovars Isolated from Slaughter Calves in Southern Brazil. Curr Microbiol 2022; 80:11. [PMID: 36459239 DOI: 10.1007/s00284-022-03136-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 11/28/2022] [Indexed: 12/04/2022]
Abstract
Bovines are carriers of Salmonella spp., a relevant foodborne pathogen, acting as contamination sources in slaughterhouses. Calves are prone to infection, and antimicrobial resistance may occur in such bacteria. This study aimed to determine the prevalence and virulence determinants of Salmonella spp. recovered from calves in the Rio Grande do Sul state, Brazil. Eighty-five calves' carcasses were evaluated (leather and veal meat). Thirteen Salmonella spp. isolates (8%) from 11 animals (13%) were obtained only from leather, indicating that contamination occurred before slaughter and that the meat was safe regarding this aspect. The serotypes S. Minnesota, S. Abony, S. Cerro, and S. Gafsa were identified, and all isolates were multidrug-resistant. The isolates had at least 19 virulence-related genes, and the blaOXA-48 resistance gene was detected in three (23%). The data suggest that treating infections caused by these bacteria may be difficult in animals from these farms and can also be an extended human health problem.
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Affiliation(s)
- Alex Dall Agnol Gabana
- Centro de Pesquisa em Saúde Animal, Departamento de Diagnóstico e Pesquisa Agropecuária, Instituto de Pesquisas Veterinárias Desidério Finamor, Secretaria da Agricultura, Pecuária e Desenvolvimento Rural, Estrada Municipal do Conde, 6000, Sans Souci, Eldorado do Sul, RS, 92990-000, Brazil
| | - Adriana Souto Pereira Núncio
- Faculdade de Agronomia e Medicina Veterinária, Programa de Pós-Graduação em Bioexperimentação, Universidade de Passo Fundo, BR 285, Campus I, São José, Passo Fundo, RS, 99052-900, Brazil
| | - Bruna Correa Lopes
- Centro de Pesquisa em Saúde Animal, Departamento de Diagnóstico e Pesquisa Agropecuária, Instituto de Pesquisas Veterinárias Desidério Finamor, Secretaria da Agricultura, Pecuária e Desenvolvimento Rural, Estrada Municipal do Conde, 6000, Sans Souci, Eldorado do Sul, RS, 92990-000, Brazil
| | - Júlia Alves de Oliveira
- Centro de Pesquisa em Saúde Animal, Departamento de Diagnóstico e Pesquisa Agropecuária, Instituto de Pesquisas Veterinárias Desidério Finamor, Secretaria da Agricultura, Pecuária e Desenvolvimento Rural, Estrada Municipal do Conde, 6000, Sans Souci, Eldorado do Sul, RS, 92990-000, Brazil
| | - Luana da Silva Monteiro
- Centro de Pesquisa em Saúde Animal, Departamento de Diagnóstico e Pesquisa Agropecuária, Instituto de Pesquisas Veterinárias Desidério Finamor, Secretaria da Agricultura, Pecuária e Desenvolvimento Rural, Estrada Municipal do Conde, 6000, Sans Souci, Eldorado do Sul, RS, 92990-000, Brazil
| | - Mario de Menezes Coppola
- Centro de Pesquisa em Saúde Animal, Departamento de Diagnóstico e Pesquisa Agropecuária, Instituto de Pesquisas Veterinárias Desidério Finamor, Secretaria da Agricultura, Pecuária e Desenvolvimento Rural, Estrada Municipal do Conde, 6000, Sans Souci, Eldorado do Sul, RS, 92990-000, Brazil
| | - Thales Quedi Furian
- Centro de Diagnóstico e Pesquisa em Patologia Aviária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9090, Agronomia, Porto Alegre, RS, 91540-000, Brazil
| | - Karen Apellanis Borges
- Centro de Diagnóstico e Pesquisa em Patologia Aviária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9090, Agronomia, Porto Alegre, RS, 91540-000, Brazil
| | - Laura Beatriz Rodrigues
- Faculdade de Agronomia e Medicina Veterinária, Programa de Pós-Graduação em Bioexperimentação, Universidade de Passo Fundo, BR 285, Campus I, São José, Passo Fundo, RS, 99052-900, Brazil
| | - Fabiana Quoos Mayer
- Centro de Pesquisa em Saúde Animal, Departamento de Diagnóstico e Pesquisa Agropecuária, Instituto de Pesquisas Veterinárias Desidério Finamor, Secretaria da Agricultura, Pecuária e Desenvolvimento Rural, Estrada Municipal do Conde, 6000, Sans Souci, Eldorado do Sul, RS, 92990-000, Brazil. .,Departamento de Biologia Molecular e Biotecnologia, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500 - Agronomia, Porto Alegre, RS, 91501-970, Brazil.
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Zhao X, Li W, Hou S, Wang Y, Wang S, Gao J, Zhang R, Jiang S, Zhu Y. Epidemiological investigation on drug resistance of Salmonella isolates from duck breeding farms in Shandong Province and surrounding areas, China. Poult Sci 2022; 101:101961. [PMID: 35687959 PMCID: PMC9190056 DOI: 10.1016/j.psj.2022.101961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 05/05/2022] [Accepted: 05/07/2022] [Indexed: 11/17/2022] Open
Affiliation(s)
- Xinyuan Zhao
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 201718, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 201718, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian 271018, China
| | - Wei Li
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 201718, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 201718, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian 271018, China
| | - Shaopeng Hou
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 201718, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 201718, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian 271018, China
| | - Yanjun Wang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 201718, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 201718, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian 271018, China
| | - Shuyang Wang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 201718, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 201718, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian 271018, China
| | - Jing Gao
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 201718, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 201718, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian 271018, China
| | - Ruihua Zhang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 201718, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 201718, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian 271018, China
| | - Shijin Jiang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 201718, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 201718, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian 271018, China
| | - Yanli Zhu
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian 201718, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Taian 201718, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Taian 271018, China.
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Kovács D, Palkovicsné Pézsa N, Jerzsele Á, Süth M, Farkas O. Protective Effects of Grape Seed Oligomeric Proanthocyanidins in IPEC-J2–Escherichia coli/Salmonella Typhimurium Co-Culture. Antibiotics (Basel) 2022; 11:antibiotics11010110. [PMID: 35052987 PMCID: PMC8773002 DOI: 10.3390/antibiotics11010110] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/13/2022] [Accepted: 01/14/2022] [Indexed: 12/16/2022] Open
Abstract
Intestinal epithelium provides the largest barrier protecting mammalian species from harmful external factors; however, it can be severely compromised by the presence of bacteria in the gastrointestinal (GI) tract. Antibiotics have been widely used for the prevention and treatment of GI bacterial infections, leading to antimicrobial resistance in human and veterinary medicine alike. In order to decrease antibiotic usage, natural substances, such as flavonoids, are investigated to be used as antibiotic alternatives. Proanthocyanidins (PAs) are potential candidates for this purpose owing to their various beneficial effects in humans and animals. In this study, protective effects of grape seed oligomeric proanthocyanidins (GSOPs) were tested in IPEC-J2 porcine intestinal epithelial cells infected with Escherichia coli and Salmonella enterica ser. Typhimurium of swine origin. GSOPs were able to alleviate oxidative stress, inflammation and barrier integrity disruption inflicted by bacteria in the co-culture. Furthermore, GSOPs could decrease the adhesion of both bacteria to IPEC-J2 cells. Based on these observations, GSOPs seem to be promising candidates for the prevention and treatment of gastrointestinal bacterial infections.
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