Journal
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
Volume 102, Issue 8, Pages 3701-3709Publisher
SPRINGER
DOI: 10.1007/s00253-018-8855-2
Keywords
Intestinal microbiota; Shrimp; Pacific white shrimp; White feces syndrome; Diversity
Categories
Funding
- China Agriculture Research System [CARS-48]
- Guangzhou Science Technology and Innovation Commission Project [201510010071]
- Guangdong Ocean and Fishery Bureau Project [20164200042090023]
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Increasing evidence suggests that the intestinal microbiota is closely correlated with the host's health status. Thus, a serious disturbance that disrupts the stability of the intestinal microecosystem could cause host disease. Shrimps are one of the most important products among fishery trading commodities. However, digestive system diseases, such as white feces syndrome (WFS), frequently occur in shrimp culture and have led to enormous economic losses across the world. The WFS occurrences are unclear. Here, we compared intestinal bacterial communities of WFS shrimp and healthy shrimp. Intestinal bacterial communities of WFS shrimp exhibited less diversity but were more heterogeneous than those of healthy shrimp. The intestinal bacterial communities were significantly different between WFS shrimp and healthy shrimp; compared with healthy shrimp, in WFS shrimp, Candidatus Bacilloplasma and Phascolarctobacterium were overrepresented, whereas Paracoccus and Lactococcus were underrepresented. PICRUSt functional predictions indicated that the relative abundances of genes involved in energy metabolism and genetic information processing were significantly greater in WFS shrimp. Collectively, we found that the composition and predicted functions of the intestinal bacterial community were markedly shifted by WFS. Significant increases in Candidatus Bacilloplasma and Phascolarctobacterium and decreases in Paracoccus and Lactococcus may contribute to WFS in shrimp.
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