Dietary Bacillus subtilis HGcc-1 improves the growth performance, α-amylase and lipase activities, immunity and antioxidant capacity, intestinal microbiota, and heat stress resistance in Pacific white shrimp (Litopenaeus vannamei)
文献类型: 外文期刊
作者: Guowei Liao;Jingping Li;Jiaoping Yu;Wanqi Wang;Haolin Liu;Zhen Zhang;Yuanyuan Yao;Kaimin Cheng;Jun Hu;Yalin Yang;Zhigang Zhou;Lanfen Fan
作者机构:
关键词: Bacillus subtilis HGcc-1;Growth performance;Litopenaeus vannamei
期刊名称: International Journal of Biological Macromolecules
ISSN: 0141-8130
年卷期: 2025 年 291 卷
页码:
收录情况: SCIE(2025版) ; ; EI(2025版)
摘要: This study aimed to investigate the effects of B. subtilis HGcc-1 supplementation on the growth performance, immunity response, antioxidant capacity, intestinal microbiota and heat stress resistance of Litopenaeus vannamei. The results showed that B. subtilis HGcc-1 increased the activities of α-amylase and lipase and the activities of acid phosphatase and alkaline phosphatase, significantly decreased malondialdehyde content and significantly increased the activities of total antioxidant capacity, glutathione S-transferase, total superoxide dismutase, the expression levels of immune-related genes Toll and prophenoloxidase as compared to the control. Analysis of the intestinal microbial revealed that a significant increase in the relative abundance of Firmicutes, such as Lactococcus. Conversely, there was a decrease in the relative abundance of Proteobacteria, such as Vibrio and Shewanella. Furthermore, B. subtilis HGcc-1 supplementation may help alleviating heat stress injury in shrimp by modulating the Hippo signaling pathway. In summary, this study provided a valuable insight into the functional benefits of B. subtilis HGcc-1 supplementation in shrimp, offering a theoretical basis for its practical application in aquaculture.
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