Diversity and abundance of antibiotic resistance of bacteria during the seedling period in marine fish cage-culture areas of Hainan, China
文献类型： 外文期刊
作者： Wu, Jinjun 1 ; Mao, Can 1 ; Deng, Yiqin 1 ; Guo, Zhixun 1 ; Liu, Guangfeng 1 ; Xu, Liwen 1 ; Bei, Lei 1 ; Su, Youlu 1 ; Feng 1 ;
作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Minist Agr & Rural Affairs, Key Lab South China Sea Fishery Resources Exploit, Guangzhou 510300, Guangdong, Peoples R China
2.Shanghai Ocean Univ, Coll Aqua Life Sci & Technol, Shanghai, Peoples R China
关键词： Antibiotic resistance genes; Antibiotic-resistant bacteria; Marine fish cage-culture areas; Seedling period
期刊名称：MARINE POLLUTION BULLETIN （ 影响因子：5.553； 五年影响因子：5.907 ）
ISSN： 0025-326X
年卷期： 2019 年 141 卷
页码：
收录情况： SCI
摘要： Antibiotic resistance has become an important focus of research in the aquaculture environment. However, few studies have evaluated antibiotic resistance during the seedling period in marine fish cage-culture areas. In this study, culture-dependent methods and quantitative polymerase chain reaction were used to identify and detect cultivable heterotrophic antibiotic-resistant bacteria (ARB) and antibiotic resistance genes (ARGs), respectively, during the seedling period in a marine fish cage-culture areas of Hainan, China. Bacterial resistance to amoxicillin, erythromycin, and gentamicin was generally high (average on 27.67%, 23.61% and 37.32%, respectively), whereas resistance to furazolidone and nitrofurantoin was generally low (average on 0.14% and 7.425%). Alteromonas (32.72%) and Vibrio (24.77%) were the dominant genus of ARB. Most ARB were opportunistic pathogens, belonging to the phylum Proteobacteria (96.02%). The abundance of sul family genes was higher than that of let family genes. Overall, the abundance of ARGs and the resistance rates in HW was highest.
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