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Melo FD, Peterle H, Sfaciotte RAP, Schneider MF, Parussolo L, Wosiacki SR, Costa UMD, Ferraz SM. Phenotypic and Genotypic of Antimicrobial Resistance Profile of Staphylococcus Spp. Isolated from Raw Milk and Artisanal Cheese. Foodborne Pathog Dis 2024. [PMID: 39234784 DOI: 10.1089/fpd.2024.0037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2024] Open
Abstract
Staphylococcus aureus and a few species of coagulase negative are frequently associated with food poisoning. Raw milk and dairy products are among the foods usually associated with outbreaks due to staphylococcal intoxication. This study aimed to determine phenotypic and genotypic antimicrobial resistance profiles to beta-lactam drugs in Staphylococcus coagulase positive (CoPS) and negative (CoNS) isolates. A total of 58 CoPS and 45 CoNS isolates recovered from raw milk and artisanal cheese from Santa Catarina were analyzed. All isolates (n = 103) were subjected to antimicrobial susceptibility testing. High levels of resistance to penicillin (41% of CoPS and 31% of CoNS), amoxicillin (40% CoPS), ampicillin (36% CoPS), and sulfamethoxazole-trimethoprim (35% CoNS) were observed. Twenty six percent of the isolates (18 CoPS and 9 CoNS) exhibited multiresistance profile; which means, they were resistant to at least three different classes of the antimicrobial drugs. Detection of resistance genes (mecA, mecC, and blaZ) was performed using multiplex polymerase chain reaction. Twelve isolates (9 CoPS and 3 CoNS) were positive for mecA, whereas 10 strains (4 CoPS and 6 CoNS) were positive for blaZ. The detection of resistant and multidrug resistant isolates emphasizes the necessity to develop strategies to better comply with good manufacturing practices and health care guidelines.
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Affiliation(s)
- Fernanda Danielle Melo
- Centro de Diagnóstico Microbiológico Animal (CEDIMA), Departamento de Medicina Veterinária, Centro de Ciências Agroveterinárias (CAV), Universidade do Estado de Santa Catarina, Avenida Luiz de Camões, Lages, Brazil
| | - Heloíse Peterle
- Centro de Diagnóstico Microbiológico Animal (CEDIMA), Departamento de Medicina Veterinária, Centro de Ciências Agroveterinárias (CAV), Universidade do Estado de Santa Catarina, Avenida Luiz de Camões, Lages, Brazil
| | - Ricardo Antonio Pilegi Sfaciotte
- Centro de Diagnóstico Microbiológico Animal (CEDIMA), Departamento de Medicina Veterinária, Centro de Ciências Agroveterinárias (CAV), Universidade do Estado de Santa Catarina, Avenida Luiz de Camões, Lages, Brazil
| | - Mateus Felipe Schneider
- Centro de Diagnóstico Microbiológico Animal (CEDIMA), Departamento de Medicina Veterinária, Centro de Ciências Agroveterinárias (CAV), Universidade do Estado de Santa Catarina, Avenida Luiz de Camões, Lages, Brazil
| | | | | | - Ubirajara Maciel da Costa
- Centro de Diagnóstico Microbiológico Animal (CEDIMA), Departamento de Medicina Veterinária, Centro de Ciências Agroveterinárias (CAV), Universidade do Estado de Santa Catarina, Avenida Luiz de Camões, Lages, Brazil
| | - Sandra Maria Ferraz
- Centro de Diagnóstico Microbiológico Animal (CEDIMA), Departamento de Medicina Veterinária, Centro de Ciências Agroveterinárias (CAV), Universidade do Estado de Santa Catarina, Avenida Luiz de Camões, Lages, Brazil
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Ramos GLPA, Nascimento JS, Margalho LP, Cruz AG, Sant'Ana AS. Quantitative risk assessment for type A staphylococcal enterotoxin poisoning due to consumption of Minas Frescal cheese in Brazil. INT J DAIRY TECHNOL 2022. [DOI: 10.1111/1471-0307.12924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Gustavo Luis P A Ramos
- Faculty of Veterinary Medicine Fluminense Federal University (UFF) Avenida Almirante Ary Parreiras, 507 Niterói Rio de Janeiro 24230321 Brazil
- Food Department Federal Institute of Education, Science, and Technology of Rio de Janeiro (IFRJ) Rua Senador Furtado, 121 Rio de Janeiro Rio de Janeiro 20270021 Brazil
| | - Janaína S Nascimento
- Food Department Federal Institute of Education, Science, and Technology of Rio de Janeiro (IFRJ) Rua Senador Furtado, 121 Rio de Janeiro Rio de Janeiro 20270021 Brazil
| | - Larissa P Margalho
- Department of Food Science and Nutrition, Faculty of Food Engineering University of Campinas Rua Monteiro Lobato, 80 Campinas São Paulo 13083862 Brazil
| | - Adriano G Cruz
- Food Department Federal Institute of Education, Science, and Technology of Rio de Janeiro (IFRJ) Rua Senador Furtado, 121 Rio de Janeiro Rio de Janeiro 20270021 Brazil
| | - Anderson S Sant'Ana
- Department of Food Science and Nutrition, Faculty of Food Engineering University of Campinas Rua Monteiro Lobato, 80 Campinas São Paulo 13083862 Brazil
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Souza GÁAD, de Almeida AC, Xavier MADS, da Silva LMV, Sousa CN, Sanglard DA, Xavier AREDO. Characterization and molecular epidemiology of Staphylococcus aureus strains resistant to beta-lactams isolated from the milk of cows diagnosed with subclinical mastitis. Vet World 2019; 12:1931-1939. [PMID: 32095043 PMCID: PMC6989334 DOI: 10.14202/vetworld.2019.1931-1939] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 11/07/2019] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND AND AIM The term ESKAPE, recognized by the WHO, is an acronym, which refers to the pathogens Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter spp., which is extremely virulent and multidrug-resistant. Although the term is used to designate nosocomial pathogens, in a milking environment, strains of Methicillin-resistant S. aureus have been isolated from cattle diagnosed with clinical and subclinical mastitis. Resistant strains may be involved in the transfer of genes conferring resistance to beta-lactam antimicrobials among the species of microorganisms related to mastitis etiology. This study aimed to trace the phenotypic and genotypic profiles of susceptibility to beta-lactams in S. aureus isolated from milk of cattle diagnosed with subclinical mastitis obtained from different rural properties located in the North of Minas Gerais State, Brazil. MATERIALS AND METHODS Sixteen microorganisms previously identified as S. aureus isolated from milk of cattle diagnosed with subclinical mastitis were submitted to matrix-assisted laser desorption/ionization-time-of-flight (MALDI-TOF), mass spectrometry, and polymerase chain reaction (PCR) analysis for microbial species confirmation. The S. aureus beta-lactams antimicrobial phenotypic resistance profile was investigated by disk diffusion method. PCR methods were also performed to investigate the S. aureus genotypic beta-lactams resistance profile. For this purpose, bla Z, mec A, mec ALGA251, bla Oxa23, and bla KPC genes were screened among S. aureus isolates. The genetic diversity of S. aureus by fingerprint random amplified polymorphic DNA (RAPD)-PCR was also performed in this study. RESULTS All isolates showed phenotypic resistance to at least three beta-lactams, among which was meropenem. None of the isolates tested positive for the genes mec ALGA251, bla Oxa23, and bla KPC; however, the presence of the genes bla Z and mecA was detected among the isolates. The fingerprint analysis divided isolates into two distinct groups and 15 different subgroups. Despite the presence of clonality among the isolates, the PCR-RAPD analysis unveiled a heterogeneous profile with genetic diversity among the S. aureus isolates. CONCLUSION In this study, we identified beta-lactams resistant S. aureus strains isolated from the milk of cows diagnosed with subclinical mastitis. The S. aureus beta-lactams resistance was investigated using a phenotypic and genotypic approach. We believe that molecular epidemiology, improved knowledge, and genetic basis of resistance to beta-lactams might assist in asserting guidelines for better management practices of dealing with subclinical mastitis and mapping of origin of resistant pathogens in the studied Brazilian area.
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Affiliation(s)
- Geziella Áurea Aparecida Damasceno Souza
- Federal University of Minas Gerais, Institute of Agrarian Sciences, Center for Research in Agrarian Sciences, Laboratory of Animal Health, Montes Claros, Minas Gerais, Brazil
| | - Anna Christina de Almeida
- Federal University of Minas Gerais, Institute of Agrarian Sciences, Center for Research in Agrarian Sciences, Laboratory of Animal Health, Montes Claros, Minas Gerais, Brazil
| | - Mauro Aparecido de Sousa Xavier
- State University of Montes Claros, Center of Biological and Health Sciences, Microbiology Laboratory, Montes Claros, Minas Gerais, Brazil
| | - Lívia Mara Vitorino da Silva
- Federal University of Minas Gerais, Institute of Agrarian Sciences, Center for Research in Agrarian Sciences, Laboratory of Animal Health, Montes Claros, Minas Gerais, Brazil
| | - Cintya Neves Sousa
- Federal University of Minas Gerais, Institute of Agrarian Sciences, Center for Research in Agrarian Sciences, Laboratory of Animal Health, Montes Claros, Minas Gerais, Brazil
| | - Demerson Arruda Sanglard
- Federal University of Minas Gerais, Institute of Agrarian Sciences, Center for Research in Agrarian Sciences, Laboratory of Biotechnology, Montes Claros, Minas Gerais, Brazil
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Lúcio ÉC, Albuquerque MS, Oliveira JMB, Gouveia GV, Costa MM, Mota RA, Pinheiro Junior JW. OCORRÊNCIA DE GENES CODIFICADORES DE ENTEROTOXINAS ESTAFILOCÓCICAS EM AMOSTRAS DE LEITE DE VACAS. CIÊNCIA ANIMAL BRASILEIRA 2018. [DOI: 10.1590/1809-6891v19e-43108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Resumo Objetivou-se com este trabalho identificar a ocorrência de genes codificadores de enterotoxinas estafilocócicas (sea, seb, sec e seg) e do gene da toxina 1 responsável pela síndrome do choque tóxico (tst) em isolados de Staphylococcus aureus procedentes de casos de mastite bovina, no estado de Pernambuco, Brasil. Foram analisados 93 isolados e observou-se a presença de genes toxigênicos em 20 (21,6%) deles, dos quais 11 (55,0%) foram positivos para o gene tst, sete (35,0%) para o gene sec e dois (10,0%) para o gene seg. Dentre os 20 isolados que amplificaram na PCR para presença dos genes sec, seg e tst, 16 (80,0%) foram positivos apenas para um gene e quatro (20,0%) foram positivos para dois genes (sec e tst). Das 17 propriedades de onde as amostras tiveram origem, sete (41,2%) apresentaram amostras positivas para pelo menos um dos genes sec, seg e tst. Este é primeiro registro de ocorrência dos genes codificadores das enterotoxinas SEC e TST-1 em amostras de leite de vacas com mastite no estado de Pernambuco, Brasil.
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Acosta AC, Santos SJD, Albuquerque L, Soares KDA, Mota RA, Medeiros ESD. Frequência de genes codificadores de toxinas em Staphylococcus aureus isolados de leite de tanques expansão comunitários. PESQUISA VETERINARIA BRASILEIRA 2017. [DOI: 10.1590/s0100-736x2017000700007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
RESUMO: A capacidade de produção de toxinas pelo Staphylococcus aureus no leite e produtos derivados está relacionado com surtos de intoxicação alimentar. Objetivou-se nesta pesquisa, estudar a ocorrência de genes que codificam para enterotoxinas estafilocócicas (sea, seb, sed, seg, seh e sei) e toxinas α e β hemolítica (hla e hlb) em S. aureus isolados de 53 amostras de leite de tanques expansão comunitários no Estado de Alagoas, Brasil. Foram identificados 27 isolados (50,94%) como S. aureus pela amplificação do gene nuc. 13/27 isolados (48,1%) foram positivos para pelo menos um gene das enterotoxinas estudadas, sendo as frequências dos genes sea 33,3%, seh 18,5%, sei 11,1% e sed 7,4%; não entanto não foram identificados os genes seb e seg nestas bactérias. Para as toxinas hemolíticas, 51,9% dos isolados portavam ambos genes (hla e hlb), sendo a frequência para o gene hla de 81,5% e para o gene hlb de 51,9%. A frequência de genes das toxinas avaliadas é alta o que constitui um risco potencial para a saúde pública em especial, as enterotoxinas por serem termoestáveis e estarem asssociados com surtos de intoxicação alimentar.
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Abstract
Food-borne intoxication, caused by heat-stable enterotoxins produced by Staphylococcus aureus, causes over 240,000 cases of food-borne illness in the United States annually. Other staphylococci commonly associated with animals may also produce these enterotoxins. Foods may be contaminated by infected food handlers during slaughter and processing of livestock or by cross-contamination during food preparation. S. aureus also causes a variety of mild to severe skin and soft tissue infections in humans and other animals. Antibiotic resistance is common in staphylococci. Hospital-associated (HA) S. aureus are resistant to numerous antibiotics, with methicillin-resistant S. aureus (MRSA) presenting significant challenges in health care facilities for over 40 years. During the mid-1990s new human MRSA strains developed outside of hospitals and were termed community-associated (CA). A few years later, MRSA was isolated from horses and methicillin resistance was detected in Staphylococcus intermedius/pseudintermedius from dogs and cats. In 2003, a livestock-associated (LA) MRSA strain was first detected in swine. These methicillin-resistant staphylococci pose additional food safety and occupational health concerns. MRSA has been detected in a small percentage of retail meat and raw milk samples indicating a potential risk for food-borne transmission of MRSA. Persons working with animals or handling meat products may be at increased risk for antibiotic-resistant infections. This review discusses the scope of the problem of methicillin-resistant staphylococci and some strategies for control of these bacteria and prevention of illness.
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