Effects of dietary tributyrin supplementation in low fish meal diet containing high-Clostridium autoethanogenum protein on the growth performance, antioxidative capacity, lipid metabolism and intestinal microbiota of largemouth bass (Micropterus salmoides)

Luo, Kai; Shi, Yuhui; Yang, Kunlin; Xu, Qiaoqing; Zhou, Jiang; Gao, Weihua; Wu, Chenglong; Wang, Zhuoduo

doi:10.1016/j.aqrep.2023.101722

Aquaculture Reports

2023

DOI: 10.1016/j.aqrep.2023.101722

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Effects of dietary tributyrin supplementation in low fish meal diet containing high-Clostridium autoethanogenum protein on the growth performance, antioxidative capacity, lipid metabolism and intestinal microbiota of largemouth bass (Micropterus salmoides)

Kai Luo,

Yuhui Shi,

Kunlin Yang

et al.

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2024

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Microbiome–Metabolomics Analysis Insight into the Effects of Starvation and Refeeding on Intestinal Integrity in the Juvenile Largemouth Bass (Micropterus salmoides)

Zhao,

Zhang,

Zhao

et al. 2024

IJMS

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The effects of starvation and refeeding on the gut condition of juvenile largemouth bass (Micropterus salmoides) remain unclear. Therefore, our research aimed to explore these effects. Amylase and lipase activities were remarkably decreased in the starvation (ST) group, yet prominently increased in the refeeding (RE) group (p < 0.05). In addition to the malondialdehyde (MDA) level, catalase (CAT) and superoxide dismutase (SOD) activities were significantly upregulated in the ST group (p < 0.05) in marked contrast to those in the controls; however, the RE group showed no substantial variations in CAT and SOD activities or the MDA level (p > 0.05). During starvation, the expression of Nrf2-Keap1 pathway-associated genes was significantly upregulated (p < 0.05). The comparative levels of TNF-α, IL-1β, and IL-15 were highly increased, with the levels of TGF-β1 and IL-10 apparently downregulated in the ST group; in contrast, these levels were restored to their original values in the RE group (p < 0.05). In contrast to the controls, the ST group showed significantly lower height and width of the villi, muscle thickness, and crypt depth and a higher goblet cell number; however, these values were recovered to some extent in the RE group (p < 0.05). The dominant bacterial phyla in the intestines of both groups were Proteobacteria, Firmicutes, Bacteroidetes, Acidobacteria, and Actinobacteria, with marked inter-group differences in the genera Serratia and Lactobacillus. Metabolomics analysis showed that amino acid metabolism is disrupted during starvation and is restored after refeeding. In summary, this study expands our comprehension of the interaction between oxidative stress and antioxidant defenses among juvenile largemouth bass subjected to starvation and refeeding.

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Microbiome–Metabolomics Analysis Insight into the Effects of Starvation and Refeeding on Intestinal Integrity in the Juvenile Largemouth Bass (Micropterus salmoides)

Zhao,

Zhang,

Zhao

et al. 2024

IJMS

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Effects of dietary tributyrin supplementation in low fish meal diet containing high-Clostridium autoethanogenum protein on the growth performance, antioxidative capacity, lipid metabolism and intestinal microbiota of largemouth bass (Micropterus salmoides)

Cited by 1 publication

References 61 publications

Microbiome–Metabolomics Analysis Insight into the Effects of Starvation and Refeeding on Intestinal Integrity in the Juvenile Largemouth Bass (Micropterus salmoides)

Microbiome–Metabolomics Analysis Insight into the Effects of Starvation and Refeeding on Intestinal Integrity in the Juvenile Largemouth Bass (Micropterus salmoides)

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