Response of Intestinal Microbiota of Tiger Puffer (Takifugu rubripes) to the Fish Oil Finishing Strategy

文献类型： 外文期刊

第一作者： Kong, Yaoyao

作者： Kong, Yaoyao;Ma, Xiuhua;Mai, Kangsen;Zhang, Yanjiao;Liao, Zhangbin;Liang, Mengqing;Xu, Houguo;Liang, Mengqing;Xu, Houguo;Mai, Kangsen;Zhang, Yanjiao

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关键词： fish oil replacement; lipid source; intestinal health; intestinal microbiota; Takifugu rubripes

期刊名称：MICROORGANISMS （ 影响因子：4.5； 五年影响因子：4.8 ）

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年卷期： 2023 年 11 卷 1 期

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收录情况： SCI

摘要： The fish oil finishing (FOF) strategy, that is, re-feeding fish with fish oil (FO)-based diet after a certain period of feeding with alternative lipid source-based diets. On tiger puffer, the present study investigated the response of intestinal microbiota to FOF. Fish were fed four diets based on FO, soybean oil, palm oil and beef tallow as lipid sources, respectively, firstly for 50 days (growing-out period), and then fed the FO-based diet for 30 more days (FOF period). The results showed that dietary terrestrially sourced oils impaired the intestinal function in the growing-out period. However, the activities of amylase, trypsin and anti-oxidative enzymes (SOD, CAT, T-AOC), as well as gene expression of inflammatory cytokines (IL-1 beta, TNF-alpha, TGF-beta) and tight junction protein (Claudin4, Claudin7, Claudin18, JAM, ZO-1) in the intestine were significantly recovered by FOF. The 16S rDNA sequencing analysis showed that FOF improved the similarity of bacterial community among the groups. The MetaStat analysis confirmed that FOF regulated the abundance of butyric acid-producing bacteria (Lachnospiraceae, Eubacterium, Butyricicoccus, Clostridium and Roseburia) and bacteria related to digestion and absorption (Sphingomonas, Romboutsia and Brevibacillus). In conclusion, FOF can recover the intestine function. The intestinal microbiota probably participated in and played a key role in the recovery process.

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