冷鲜鸡接触者手部抗生素耐药菌菌群多样性分析
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(1. 上海市农业科学院农产品质量标准与检测技术研究所,上海 201403;2. 上海市设施园艺技术重点实验室,上海 201403)

作者简介:

黄柳娟,女,上海市农业科学院研究实习员,硕士。

通讯作者:

邵毅(1982—),女,上海市农业科学院副研究员,博士。E-mail: shao_saas@163.com

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基金项目:

上海市农委基础研究项目(编号:沪农科攻字\[2014\]第7-3-6号);国家自然科学基金项目(编号:31401599);上海市市级农口系统青年人才成长计划(编号:沪农青字\[2018\]第1-38号);上海市农业科学院学科领域建设专项(编号:农科农助2019〔10〕)


Diversity of antibiotic resistant bacteria isolated from cold fresh chicken handlers’ hands
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(1. Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; 2. Shanghai Key Laboratory of Protected Horticultural Technology, Shanghai 201403, China)

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    摘要:

    为探索冷鲜鸡表面抗生素耐药菌在生产加工和消费加工中向人迁移的潜在风险,利用选择性培养和IonS5TMXL测序平台对6位冷鲜鸡接触者手部的四环素耐药菌(TETr)和磺胺耐药菌(SULr)进行计数和多样性分析。结果表明,与冷鲜鸡接触后,操作者手部的两类耐药菌显著增加至4.80×10~2.66×106 CFU/cm2;TETr菌和SULr菌中各注释出21,19个菌属的共有菌群,其中,不动杆菌等9个属的细菌已被证实在禽源和人源分离株中均存在多重耐药性,且耐药基因在禽源和人源细菌间可能发生水平迁移;而布丘氏菌等14个菌属的禽源细菌的耐药特性尚无研究报道。研究证实TETr菌和SULr菌在直接接触中会从冷鲜鸡肉产品表面迁移至操作者手上。

    Abstract:

    In order to investigate the potential migration of antibiotic resistant (ART) bacteria from cold fresh chicken to humans during handling in production and consumption, selective culture technology and IonS5TM XL sequencing platform were used for counting and diversity analysis of tetracycline-(TETr) and sulfamethoxazole-resistant bacteria (SULr) on the surface of six handlers’ hands contacting with cold fresh chicken products. The results showed that the two ART bacteria from the handlers’ hands significantly increased to 4.80×10~2.66×106 CFU/cm2 after contacting with cold fresh chicken. Furthermore, 21 and 19 genera of shared flora were identified in the TETr and SULr bacteria, respectively, among which the multi-drug resistance of avian and human Acinetobacter and other eight genera bacteria had been already confirmed by extensive research, and the potential transmission of antibiotic resistance genes between avian and human isolates were existed. However, the characteristics of antibiotic resistance of Buttiauxella and other 14 genera had not been reported yet. Our results illustrated the migration of TETr and SULr bacteria from cold fresh chicken products to the handlers' hands by direct contact, and provided a basis for risk assessment of antibiotic resistance exposure to chicken products handlers.

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黄柳娟,邵毅,冯博,等.冷鲜鸡接触者手部抗生素耐药菌菌群多样性分析[J].食品与机械,2019,(10):52-57.
HUANGLiujuan, SHAOYi, FENGBo, et al. Diversity of antibiotic resistant bacteria isolated from cold fresh chicken handlers’ hands[J]. Food & Machinery,2019,(10):52-57.

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  • 收稿日期:2019-05-28
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  • 在线发布日期: 2022-11-24
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