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伊朗沙拉雷克地区生禽肉中分离出的菌株:频率和分子特征。

Strains Isolated from Raw Poultry Meat in the Shahrekord Region, Iran: Frequency and Molecular Characteristics.

机构信息

Department of Food Hygiene, Shahrekord Branch, Islamic Azad University, Shahrekord P.O. Box 166, Iran.

Research Center of Nutrition and Organic Products, Shahrekord Branch, Islamic Azad University, Shahrekord P.O. Box 166, Iran.

出版信息

Genes (Basel). 2023 Apr 28;14(5):1006. doi: 10.3390/genes14051006.

Abstract

Even though () is a serious pathogen, its origin is unknown. Poultry (chicken, turkey, quail, goose, and ostrich) is consumed as a regular protein source by many people across the world; therefore, sanitary ways of delivering poultry for food are important for global health. As a result, the distribution of the virulence genes , , , , and in isolates in poultry meat, as well as their antibacterial resistance, was investigated. A Wilkins Chalgren anaerobic bacterial medium was used to cultivate 320 samples of raw poultry meat. Disk diffusion and multiplex-PCR were used to investigate both antimicrobial resistance and genotyping patterns. was found in 20 of 320 (6.25 %) raw chicken meat samples. The highest incidence of was found in chicken raw meat (15%), whereas no isolate was recovered from goose or quail raw meat (0.00%). Resistance to ampicillin (85%), tetracycline (85%), and amoxicillin (75%) were the most commonly detected in the tested isolates. The percentage of isolates with a multiple antibiotic resistance (MAR) index value of more than 0.2 was 17/20 (85%). The most prevalent genotypes detected were (75%), (75%), (70%) and (65%), and (60%). The most typically detected genotype patterns were (45 %), (45 %), and (30%). , +, and - genotypes were found in 40%, 30%, and 30% of the population, respectively. In summary, fresh poultry meat was polluted by , with the , , and genotypes being more prevalent. The simultaneous occurrence of , , , , and genotypes in antibiotic-resistant bacteria raises a serious public health concern regarding the consumption of raw poultry. Future research should evaluate antimicrobial resistance among isolates in Iran.

摘要

尽管 ()是一种严重的病原体,但它的起源尚不清楚。家禽(鸡、火鸡、鹌鹑、鹅和鸵鸟)是世界各地许多人经常食用的蛋白质来源;因此,为了全球健康,以卫生的方式供应家禽作为食物非常重要。因此,研究了家禽肉中 分离株的毒力基因 、 、 、 和 的分布情况,以及它们的抗菌耐药性。使用威尔金斯查尔格伦厌氧细菌培养基培养了 320 份生禽肉样本。使用圆盘扩散法和多重 PCR 法检测了抗菌耐药性和基因分型模式。在 320 份生鸡肉样本中发现了 20 份(6.25%) 。在生鸡肉中发现 的发生率最高(15%),而在鹅或鹌鹑生肉中未分离到 (0.00%)。在测试的 分离株中,最常见的耐药性检测到对氨苄西林(85%)、四环素(85%)和阿莫西林(75%)的耐药性。分离株的多重抗生素耐药性(MAR)指数值超过 0.2 的比例为 17/20(85%)。检测到的最常见基因型为 (75%)、 (75%)、 (70%)和 (65%),以及 (60%)。最常见的检测到的基因型模式为 (45%)、 (45%)和 (30%)。在 40%、30%和 30%的人群中分别发现了 、+和-基因型。总之,新鲜的家禽肉受到了 的污染, 、 、 和 基因型更为普遍。抗生素耐药 细菌中同时存在 、 、 、 和 基因型,这对食用生禽肉的公共健康构成了严重威胁。未来的研究应评估伊朗 分离株中的抗生素耐药性。

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