<abstract xmlns="http://www.w3.org/1999/xhtml"><p><bold>Introduction:</bold> The study sought to characterise antimicrobial resistance among coagulase-negative <italic>Staphylococcus</italic> (CNS) species recovered from broiler chickens and turkeys in Poland including the presence of 12 antimicrobial resistance genes and five classical genes of staphylococcal enterotoxins. <bold>Material and Methods:</bold> A panel of 11 antimicrobial disks evaluated the phenotypic sensitivity of the tested strains to antibiotics. Five multiplex PCR assays were performed using primer pairs for specific detection of antibiotic resistance genes and staphylococcal enterotoxin A to E genes. <bold>Results:</bold> Selected antimicrobial agent susceptibility testing revealed 100% of such in <italic>in vitro</italic> conditions to cefoxitin among strains of <italic>Staphylococcus sciuri</italic> and <italic>S. chromogenes</italic>. The <italic>bla</italic>Z (for ß-lactam) and <italic>mec</italic>A (for methicillin resistance) genes were in 58.3% and 27.5% of strains, respectively. Among genes resistant to tetracyclines, <italic>tet</italic>K was most frequent. Fewer (CNS) strains showed genes resistant to macrolides, lincosamides, and florfenicol/chloramphenicol. Multiplex PCR for classical enterotoxins (A-E) detected the <italic>see</italic> gene in two <italic>S. hominis</italic> strains, while the <italic>seb</italic> gene producing enterotoxin B was found in one strain of <italic>S. epidermidis</italic>. <bold>Conclusion:</bold> CNS strains of <italic>Staphylococcus</italic> isolated from poultry were either phenotypically or genotypically multidrug resistant. Testing for the presence of the five classical enterotoxin genes showed that CNS strains, as in the case of <italic>S. aureus</italic> strains, can be a source of food intoxications.</p></abstract>

Introduction: The study sought to characterise antimicrobial resistance among coagulase-negative Staphylococcus (CNS) species recovered from broiler chickens and turkeys in Poland including the presence of 12 antimicrobial resistance genes and five classical genes of staphylococcal enterotoxins. Material and Methods: A panel of 11 antimicrobial disks evaluated the phenotypic sensitivity of the tested strains to antibiotics. Five multiplex PCR assays were performed using primer pairs for specific detection of antibiotic resistance genes and staphylococcal enterotoxin A to E genes. Results: Selected antimicrobial agent susceptibility testing revealed 100% of such in in vitro conditions to cefoxitin among strains of Staphylococcus sciuri and S. chromogenes. The blaZ (for ß-lactam) and mecA (for methicillin resistance) genes were in 58.3% and 27.5% of strains, respectively. Among genes resistant to tetracyclines, tetK was most frequent. Fewer (CNS) strains showed genes resistant to macrolides, lincosamides, and florfenicol/chloramphenicol. Multiplex PCR for classical enterotoxins (A-E) detected the see gene in two S. hominis strains, while the seb gene producing enterotoxin B was found in one strain of S. epidermidis. Conclusion: CNS strains of Staphylococcus isolated from poultry were either phenotypically or genotypically multidrug resistant. Testing for the presence of the five classical enterotoxin genes showed that CNS strains, as in the case of S. aureus strains, can be a source of food intoxications.

Detection of antibiotic resistance and classical enterotoxin genes in coagulase -negative staphylococci isolated from poultry in Poland

Sub-Department of Preventive Veterinary and Avian Diseases, Institute of Biological Bases of Animal Diseases, Faculty of Veterinary Medicine

Department of Epizootiology and Clinic of Infectious Diseases, Faculty of Veterinary Medicine

Journal of Veterinary Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Introduction: The study sought to characterise antimicrobial resistance among coagulase-negative Staphylococcus (CNS) species recovered from broiler chickens...

Detection of antibiotic resistance and classical enterotoxin genes in coagulase -negative staphylococci isolated from poultry in Poland

Pubblicato online: 20 giu 2019

Pagine: 183 - 190

Ricevuto: 30 nov 2018

Accettato: 09 apr 2019

DOI: https://doi.org/10.2478/jvetres-2019-0023

Parole chiave
poultry, coagulase-negative, methicillin-resistant, antimicrobial resistance genes, enterotoxigenicity

© 2019 Ewelina Pyzik et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Detection of antibiotic resistance and classical enterotoxin genes in coagulase -negative staphylococci isolated from poultry in Poland

Pubblicato online: 20 giu 2019

Pagine: 183 - 190

Ricevuto: 30 nov 2018

Accettato: 09 apr 2019

DOI: https://doi.org/10.2478/jvetres-2019-0023

Parole chiavepoultry, coagulase-negative, methicillin-resistant, antimicrobial resistance genes, enterotoxigenicity

© 2019 Ewelina Pyzik et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Parole chiave
poultry, coagulase-negative, methicillin-resistant, antimicrobial resistance genes, enterotoxigenicity