Methicillin-Resistant<i>Staphylococcus aureus</i>in Retail Meat, Detroit, Michigan, USA

Bhargava, Kanika; Wang, Xiaogang; Donabedian, Susan; Zervos, Marcus J.; Rocha, Liziane da; Zhang, Yifan

doi:10.3201/eid1706.101095

Cited by 46 publications

(48 citation statements)

References 7 publications

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“…Approximately 0%-2.5% of different types of food samples were contaminated with MRSA, which was similar to the positive rates of 0.3%-3.9% detected in other countries (Lim et al, 2010;Bhargava et al, 2011). In contrast, MRSA was detected at rates ranging from 2.2% to 35.3% in various meat products in another study (de Boer et al, 2009).…”

Section: Discussionsupporting

confidence: 78%

“…Methicillin resistance is mediated by the mecA gene that encodes penicillin-binding protein 2a, which has a low affinity for essentially all blactam antimicrobials (Pinho et al, 2001). In recent years, MRSA strains have been identified in various foods including bovine milk, ice cream, ready-to-eat foods, and meat products (Kwon et al, 2005;de Boer et al, 2009;Pu et al, 2009;Bhargava et al, 2011;Fessler et al, 2011;Lim et al, 2010;Hammad et al, 2012;Vestergaard et al, 2012;Gucukoglu et al, 2013). Foods may serve as an important reservoir and source of community-acquired MRSA ( Jones et al, 2002).…”

Section: Ethicillin-resistant Staphylococcus Aureus (Mrsa)mentioning

confidence: 95%

“…Several genotyping methods, such as multilocus sequence typing (MLST), pulsed-field gel electrophoresis (PFGE), SCCmec typing, and staphylococcal protein A (spa) typing, have been applied in typing MRSA strains from various foods (Kwon et al, 2005;de Boer et al, 2009;Pu et al, 2009;Lim et al, 2010;Bhargava et al, 2011;Fessler et al, 2011;Hammad et al, 2012;Vestergaard et al, 2012). It has been demonstrated that the discriminatory power of PFGE is greater than MLST, spa typing, and SCCmec typing (Rasschaert et al, 2009).…”

Section: Ethicillin-resistant Staphylococcus Aureus (Mrsa)mentioning

confidence: 98%

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Antimicrobial Susceptibility and Molecular Typing of Methicillin-ResistantStaphylococcus aureusin Retail Foods in Shaanxi, China

Wang

Xia

et al. 2014

Foodborne Pathogens and Disease

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The aims of this study were to evaluate the occurrence of methicillin-resistant Staphylococcus aureus (MRSA) in retail foods in Shaanxi, China and to investigate antimicrobial resistance and molecular characteristics of these strains. A total of 1979 retail food samples were randomly collected during 2008-2012 from supermarkets and farmers markets and screened for S. aureus, and then S. aureus isolates were further examined to determine whether they were MRSA. MRSA isolates were further characterized by antimicrobial susceptibility test, pulsed-field gel electrophoresis, spa typing, multilocus sequence typing, and SCCmec typing, and were examined for genes encoding enterotoxins, exfoliative toxins, Panton-Valentine leukocidin (pvl), and toxic shock syndrome toxin 1. Among all the samples examined, four (1.4%) raw milk samples, six (2.3%) chicken samples, one (0.6%) pork sample, three (0.6%) ready-to-eat food samples, and three (2.5%) dumpling samples were positive for MRSA. No MRSA isolates were recovered from infant foods. A total of 23 MRSA isolates were recovered from the 17 MRSA-positive samples. Antimicrobial susceptibility tests showed that, among these MRSA isolates, resistance was most frequently observed to penicillin, ampicillin, oxacillin, cefoxitin, and clindamycin (each 100%), followed by erythromycin (95.7%) and clarithromycin (87.0%). The commonly detected toxin genes were pvl, seg, seb, sed, followed by see, sec, and sei. Seven spa types (t189, t377, t437, t899, t10793, t5762, and a new spa type) and three SCCmec types (II, IVb, and V) were identified. More than half (52.2%) of the MRSA isolates belonged to ST9, followed by ST88, ST59, ST188, ST72, and ST630. Our findings indicate that MRSA in food could be from both animal and human origin. Although the prevalence is low, the presence of multidrug resistant and enterotoxigenic MRSA strains in foods poses a potential threat to consumers and emphasizes the need for better control of sources of contamination.

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Section: Discussionsupporting

confidence: 78%

Section: Ethicillin-resistant Staphylococcus Aureus (Mrsa)mentioning

confidence: 95%

Section: Ethicillin-resistant Staphylococcus Aureus (Mrsa)mentioning

confidence: 98%

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Antimicrobial Susceptibility and Molecular Typing of Methicillin-ResistantStaphylococcus aureusin Retail Foods in Shaanxi, China

Wang

Xia

et al. 2014

Foodborne Pathogens and Disease

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“…MRSA has also been identified in retail meat worldwide, involving a range of meat products and with prevalence ranging from 0.4 to 25% (de Boer et al 2009;Pu et al 2009;Lim et al 2010;Weese et al 2010;Bhargava et al 2011). For example, in Spain MRSA was detected in 1.6% of food samples (from pork, chicken, rabbit, veal and wild boar), two strains from pork and veal corresponded to ST398-SCCmecV (spa types t011 and t1197, respectively), two strains from chicken and rabbit were typed as ST125-SCCmecIVa-t067, and the strain from a wild boar was ST217-SCCmecIVa-t032 (Lozano et al 2009).…”

Section: Mrsa In Foodmentioning

confidence: 99%

Bacteriophages: Practical Applications for Nature's Biocontrol

Jassim¹,

Limoges²

2017

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“…Beef manufacturing trimmings. 3. Confidence statements: Confidence applies to an event after the event has occurred.…”

Section: Appendix Definitionsmentioning

confidence: 99%

Expedited Response to the Questions Posed by the United States Department of Agriculture Agricultural Marketing Service To Support Ground Beef Purchase for the Federal Food and Nutrition Assistance Programs

March¹,

Washington²

2013

Journal of Food Protection

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Methicillin-ResistantStaphylococcus aureusin Retail Meat, Detroit, Michigan, USA

Cited by 46 publications

References 7 publications

Antimicrobial Susceptibility and Molecular Typing of Methicillin-ResistantStaphylococcus aureusin Retail Foods in Shaanxi, China

Antimicrobial Susceptibility and Molecular Typing of Methicillin-ResistantStaphylococcus aureusin Retail Foods in Shaanxi, China

Bacteriophages: Practical Applications for Nature's Biocontrol

Expedited Response to the Questions Posed by the United States Department of Agriculture Agricultural Marketing Service To Support Ground Beef Purchase for the Federal Food and Nutrition Assistance Programs

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