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首页> 外文期刊>Food microbiology >Decontamination treatments can increase the prevalence of resistance to antibiotics of Escherichia coli naturally present on poultry
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Decontamination treatments can increase the prevalence of resistance to antibiotics of Escherichia coli naturally present on poultry

机译：去污处理可以增加对家禽天然存在的大肠杆菌的耐药性

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摘要

The main objective of this study was to determine the ability of various decontaminants to increase the prevalence of resistance to antibiotics in Escherichia coli populations on poultry. Chicken legs were dipped for 15 min into aqueous solutions (wt/vol) of trisodium phosphate (TSP; 12%), acidified sodium chlorite (ASC; 1200 ppm), ascorbic acid (AA; 2%) or citric acid (CA; 2%), or tap water (control). Samples were analyzed immediately after treatment (day 0) and after five days of storage at 7 ± 1 ℃. A total of 250 E. coli isolates (50 from each group of samples; 25 on day 0 and 25 on day 5) were tested against twelve antibiotics of clinical significance by means of a standard disc-diffusion technique. A high prevalence of resistance to antibiotics was observed for E. coli strains from control samples, with three (6.0%) isolates sensitive, three (6.0%) resistant to one antibiotic and 44 (88.0%) isolates resistant to two or more antibiotics. Isolates from control samples had a lower prevalence of resistance than those from treated samples to ampicillin-sulbactam (P < 0.01, samples treated with TSP), amoxicillin-clavulanic acid (P < 0.001, ASC, AA and CA), cephotaxime (P < 0.05, TSP), trimethoprim-sulphamethoxazole (P < 0.05, AA; P < 0.01, CA), tetracycline (P < 0.01, CA), ciprofloxacin (P < 0.001, ASC; P < 0.05, AA; P < 0.01, CA) and nitrofurantoin (P < 0.01, TSP). These results suggest that the chemical decontaminants tested could favor the emergence, selection and/or proliferation of antibiotic-resistant strains in microbial populations on poultry meat.
机译：这项研究的主要目的是确定各种净化剂提高家禽大肠杆菌种群对抗生素耐药性的能力。将鸡腿浸入磷酸三钠（TSP; 12％），酸化亚氯酸钠（ASC; 1200 ppm），抗坏血酸（AA; 2％）或柠檬酸（CA; 2）的水溶液（wt / vol）中15分钟％）或自来水（对照）。处理后（第0天）和在7±1℃下保存5天后立即分析样品。借助于标准的盘扩散技术，测试了总共250种大肠杆菌分离物（每组样品中有50种；第0天为25种，第5天为25种），针对十二种具有临床意义的抗生素进行了测试。对照样品中的大肠杆菌菌株观察到对抗生素的耐药性很高，其中三株（6.0％）对细菌敏感，三株（6.0％）对一种抗生素耐药，而44株（88.0％）对两种或更多种抗生素耐药。对照样品的分离株对氨苄青霉素-舒巴坦（P <0.01，经TSP处理的样品），阿莫西林-克拉维酸（P <0.001，ASC，AA和CA），头孢噻肟（P <0.01 0.05，TSP），甲氧苄氨嘧啶（P <0.05，AA; P <0.01，CA），四环素（P <0.01，CA），环丙沙星（P <0.001，ASC; P <0.05，AA; P <0.01，CA ）和呋喃妥因（P <0.01，TSP）。这些结果表明，所测试的化学净化剂可能有助于家禽肉上微生物种群中抗生素抗性菌株的出现，选择和/或繁殖。

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  • 来源
    《Food microbiology》 |2013年第1期|112-117|共6页
  • 作者

    Rosa Capita; Elena Alvarez-Fernandez; Esther Fernandez-Buelta; Jennifer Manteca; Carlos Alonso-Calleja;

  • 作者单位

    Department of Food Hygiene and Food Technology, Veterinary Faculty, University of Leon, Campus de Vegazana, s, 24071-Leon, Spain;

    Department of Food Hygiene and Food Technology, Veterinary Faculty, University of Leon, Campus de Vegazana, s, 24071-Leon, Spain;

    Department of Food Hygiene and Food Technology, Veterinary Faculty, University of Leon, Campus de Vegazana, s, 24071-Leon, Spain;

    Department of Food Hygiene and Food Technology, Veterinary Faculty, University of Leon, Campus de Vegazana, s, 24071-Leon, Spain;

    Department of Food Hygiene and Food Technology, Veterinary Faculty, University of Leon, Campus de Vegazana, s, 24071-Leon, Spain;

  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    antimicrobial resistance; poultry decontaminants; escherichia coli;

    机译：抗菌素耐药性家禽净化剂;大肠杆菌;

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