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首页> 外文期刊>Food Control >Prevalence and antimicrobial susceptibility of Vibrio species related to food safety isolated from shrimp cultured at inland ponds in Thailand.
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Prevalence and antimicrobial susceptibility of Vibrio species related to food safety isolated from shrimp cultured at inland ponds in Thailand.

机译：从泰国内陆池塘养殖的虾中分离到的与食品安全有关的弧菌种类的流行和抗菌敏感性。

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摘要

Inland farming of marine shrimp species is a relatively recent development, in response to increasing demand for the products. This study aimed to investigate the prevalence and antimicrobial resistance of potentially pathogenic Vibrio species in shrimps cultured at inland ponds with low salinity in Thailand. Of 16 shrimp samples (white-leg shrimps and black-tiger shrimps) from ponds with water temperatures from 29 to 32 degrees C, and salinities from 1 to 5 parts per trillion, 15 contained Vibrio cholerae (densities: 62-252,000 MPN/g). Vibrio parahaemolyticus was present in six samples (370-6,300,000 MPN/g), and Vibrio vulnificus was present in two samples (16-1300 MPN/g). V. parahaemolyticus has higher affinity for non-native white-leg shrimp than for native black-tiger shrimp. The minimum inhibitory concentrations were then measured for 12 common antimicrobial agents. Resistance to ampicillin and oxytetracycline (8% and 2% of the isolates) was documented in V. cholerae isolates, resistance to ampicillin and oxytetracycline (72% and 3%) was found in V. parahaemolyticus isolates, and resistance to nalidixic acid (20%) was detected in V. vulnificus isolates. beta-lactamase and tetracycline resistance genes were detected in the resistant Vibrio isolates. The oxytetracycline-resistance phenotype was eliminated by plasmid curing, suggesting that the resistance was related to R-plasmids. Our results show that shrimps cultured even in low salinity ponds are potentially contaminated with pathogenic Vibrio species, and that shrimp are a vehicle for transfer of species with antimicrobial resistance genes to the public
机译：响应对产品需求的增加，内陆养殖海洋虾类是一个相对较新的发展。这项研究的目的是调查在泰国低盐度内陆池塘养殖的虾中潜在致病性弧菌的流行程度和抗药性。在水温为29至32摄氏度，盐度为万亿分之1至5的池塘中采集的16种虾样本（白腿虾和黑虎虾）中，有15种含有霍乱弧菌（密度：62-252,000 MPN / g） ）。六个样品（370-6,300,000 MPN / g）中存在副溶血弧菌，两个样品（16-1300 MPN / g）中存在创伤弧菌。副溶血弧菌对非天然白腿虾的亲和力高于对天然黑虎虾的亲和力。然后测量12种常见抗微生物剂的最小抑菌浓度。霍乱弧菌菌株对氨苄青霉素和土霉素有抗药性（分别为8％和2％），副溶血弧菌菌株对氨苄青霉素和土霉素（72％和3％）有抗药性，对萘啶酸的耐药性（20）在创伤弧菌分离物中检测到％）。在抗性弧菌中分离到β-内酰胺酶和四环素抗性基因。通过质粒固化消除了土霉素的抗性表型，表明该抗性与R质粒有关。我们的结果表明，即使在低盐度池塘中养殖的虾也可能受到病原性弧菌的污染，并且虾是将具有抗菌素耐药基因的物种向公众转移的媒介

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