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Detection of multi-drug resistance and methicillin-resistant Staphylococcus aureus (MRSA) isolates from retail meat in Tamaulipas, Mexico
Annals of Microbiology ( IF 3 ) Pub Date : 2021-03-30 , DOI: 10.1186/s13213-021-01627-7
Ana Verónica Martínez-Vázquez , Iliana Berenice Guardiola-Avila , Rebeca Flores-Magallón , Gildardo Rivera , Virgilio Bocanegra-García

Among the principal microorganisms transmitted to humans by foods of animal origin, Staphylococcus aureus stands out, causing a variety of diseases and with a wide potential for acquiring antimicrobial resistance. This work aimed to determine the prevalence of S. aureus, its multi-drug resistance (MDRSA), and the identification of methicillin-resistant Staphylococcus aureus (MRSA) in retail beef and pork in the state of Tamaulipas, Mexico. S. aureus strains isolated from retail meat were characterized by microbiological and molecular methods to determine phenotypic drug-resistance and detect MRSA strains. Of the 106 samples (54 from beef and 52 from pork) from 11 different cities, we detected a prevalence of S. aureus of 44.3% (47/106). A total of 87 S. aureus strains were identified; these presented 54 resistance patterns to different antimicrobials with a high prevalence of MDRSA (85%) and a low prevalence of MRSA strains (3%). These results indicate the presence of MDRSA and MRSA in retail beef and pork in Tamaulipas, representing a high risk for consumer health.

中文翻译:

在墨西哥塔毛利帕斯州的零售肉中检测耐多药和耐甲氧西林的金黄色葡萄球菌(MRSA)分离株

在动物源性食品传播给人类的主要微生物中,金黄色葡萄球菌脱颖而出,引起多种疾病,并且具有获得抗药性的广泛潜力。这项工作旨在确定墨西哥塔毛利帕斯州零售牛肉和猪肉中金黄色葡萄球菌的流行,其多药耐药性(MDRSA)以及鉴定耐甲氧西林的金黄色葡萄球菌(MRSA)。从零售肉中分离出的金黄色葡萄球菌菌株通过微生物学和分子方法进行表征,以确定表型耐药性并检测MRSA菌株。在来自11个不同城市的106个样本中(54个来自牛肉,52个来自猪肉),我们检测到金黄色葡萄球菌的患病率为44.3%(47/106)。总共鉴定出87株金黄色葡萄球菌。这些结果显示了54种对不同抗菌药物的耐药模式,其中MDRSA的患病率较高(85%),MRSA菌株的患病率较低(3%)。这些结果表明在塔毛利帕斯州的零售牛肉和猪肉中存在MDRSA和MRSA,这代表着消费者健康的高风险。
更新日期:2021-03-30
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