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Differences in Intestinal Microbial Composition between Red Claw Crayfish (Cherax quadricarinatus) and Red Swamp Crayfish (Procambarus clarkii) Cultured in Pond

文献类型： 外文期刊

作者： Chen, Honglin 1 ; Liu, Fangfang 1 ; Ouyang, Miaofeng 1 ; Zhou, Huan 1 ; Lou, Bao 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Hydrobiol, State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou 310004, Peoples R China

2.Zhejiang Ocean Univ, Sch Fishery, Zhoushan 316022, Peoples R China

3.Huzhou Univ, Fac Life Sci, Huzhou 313000, Peoples R China

4.Shanghai Ocean Univ, Key Lab Freshwater Aquat Genet Resources, Minist Agr, Shanghai 201306, Peoples R China

关键词： intestinal microbiota; Cherax quadricarinatus; Procambarus clarkii; diversity

期刊名称：FISHES （ 影响因子：3.17； 五年影响因子：3.098 ）

ISSN：

年卷期： 2022 年 7 卷 5 期

页码：

收录情况： SCI

摘要： Intestinal microbiota communities participate in several metabolic processes in the host, and are highly correlated to digestion, nutrition, growth, and immunity. However, the intestinal microbiota of aquatic invertebrates is poorly understood, especially in freshwater crayfish. In this study, the intestinal microbiota of two important freshwater economic aquaculture species, the invasive species, the red swamp crayfish (Procambarus clarkii, Pc), and the introduced species, the red claw crayfish (Cherax quadricarinatus, Cq), were investigated. The results showed that the community richness and diversity of Pc were higher than those of Cq, which might be one of the reasons that Pc have stronger environmental adaptability than Cq. Five core phyla were identified in the Pc group, including Proteobacteria (26.92%), Tenericutes (25.73%), Bacteroidetes (25.12%), Firmicutes (14.03%), and RsaHF231 (8.02%), and three phyla were detected in the Cq group, including Tenericutes (67.35%), Proteobacteria (25.98%), and Firmicutes (4.69%). In Pc and Cq groups, Proteobacteria exhibited significant differential abundance between males and females. In addition, Vibrio coralliilyticus were found particularly in the intestine of Cq. This study provides information on intestinal microbiota differences of Pc and Cq, contributing to the development of new dietary formulations and providing significance to future aquaculture.

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