毒力
微生物学
屎肠球菌
抗生素耐药性
头孢噻肟
氨苄西林
生物
植物乳杆菌
抗生素
细菌
短乳杆菌
庆大霉素
替考拉宁
肠球菌
乳酸
益生菌
万古霉素
金黄色葡萄球菌
基因
遗传学
生物化学
作者
Mike T Keter,Nancy M. El Halfawy,Moustafa Y. El-Naggar
出处
期刊:Future Microbiology
[Future Medicine]
日期:2022-03-01
卷期号:17 (5): 325-337
被引量:1
标识
DOI:10.2217/fmb-2021-0053
摘要
Background: Lactic acid bacteria (LAB) confer beneficial health effects in humans. However, the safety of these bacteria and their potential to spread resistance in the environment must be evaluated. Materials & methods: Fifty-three LAB were isolated from different food samples and assessed for the prevalence of virulence determinants and antibiotic resistance profile. Results: Multiple resistance was reported for Lactobacillus brevis MIM04, having revealed phenotypic resistance to vancomycin (MIC >128 μg/ml), ampicillin, cefotaxime, oxacillin and gentamicin. Virulence traits (cylA, gelE, esp and agg) were detected using specific primers. Enterococcus faecium CHE32, Lactobacillus plantarum CHE37 and E. faecium MLK68 lack virulence genes, possess antimicrobial activity and survive in low pH and bile salt conditions. Conclusion: Isolated LAB revealed probiotic properties.
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