The effect of sulfamonomethoxine treatment on the gut microbiota of Nile tilapia (Oreochromis niloticus)

文献类型： 外文期刊

第一作者： Ming, Junchao

作者： Ming, Junchao;Zhou, Lijun;Wu, Qinglong;Ming, Junchao;Wu, Qinglong;Ming, Junchao;Song, Chao;Yuan, Xinhua;Fu, Zhengyi;Ma, Zhenhua;Zhang, Zongli;Song, Chao;Yuan, Xinhua

作者机构：

关键词： community abundance; community composition; community diversity; intestinal microbiota; Nile tilapia; sulfamonomethoxine

期刊名称：MICROBIOLOGYOPEN （ 影响因子：3.139； 五年影响因子：3.503 ）

ISSN： 2045-8827

年卷期： 2020 年 9 卷 11 期

页码：

收录情况： SCI

摘要： To investigate the possible effects of sulfamonomethoxine (SMM) on Nile tilapia (Oreochromis niloticus), we quantitatively evaluated the microbial shifts in the intestines of Nile tilapia in response to different doses of SMM (200 and 300 mg/kg) using 16S rRNA gene sequencing. At the phylum level, the control group (0 mg kg(-1) SMM) was dominated by Actinobacteria, Proteobacteria, and Firmicutes. In the treatment groups, Firmicutes, Proteobacteria, and Chloroflexi were the dominant phyla. Cluster analysis indicated that the two groups treated with SMM clustered together. Similarly, the bacterial families that dominated the control group differed from those dominating the treatment groups. The changes in intestinal microbial composition over time were similar between the two SMM treatment groups. In both groups, the abundances of some families, including the Bacillaceae, Streptococcaceae, and Pseudomonadaceae, increased first and then decreased. Overall, the addition of SMM to the feed changed the structure of the intestinal microbiota in Nile tilapia. This study improves our understanding of the impact of SMM on the intestinal microenvironment of Nile tilapia. Our results provide guidelines for the feasibility of SMM use in aquaculture production.

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