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Proportions of Pacific white shrimp, Litopenaeus vannamei, gut microbiota from ambient microbiota increased with aquaculture process

文献类型： 外文期刊

作者： Liu, Qianfu 1 ; Gao, Yuan 1 ; Wang, Chao 1 ; Zeng, Yanyi 1 ; Lai, Zini 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Guangzhou 510380, Peoples R China

2.Guangzhou Sci Observing & Expt Stn Natl Fisheries, Guangzhou, Peoples R China

3.Minist Agr & Rural Affairs, Fishery Ecol Environm Monitoring Ctr Pearl River, Guangzhou, Peoples R China

4.Key Lab Aquat Anim Immune Technol Guangdong Prov, Guangzhou, Peoples R China

关键词： habitat; high-throughput sequencing; microbial community structure; pathogen; probiotic; source tracking

期刊名称：JOURNAL OF THE WORLD AQUACULTURE SOCIETY （ 影响因子：3.402； 五年影响因子：2.934 ）

ISSN： 0893-8849

年卷期：

页码：

收录情况： SCI

摘要： To analyze the effects of ambient microbiota on the gut microbiota of Pacific white shrimp, Litopenaeus vannamei, at different aquaculture stages, shrimp gut and ambient water and sediment microbiota at different aquaculture stages were collected and analyzed through high-throughput sequencing of 16S rDNA. Our results showed that various gut microbiota alpha-diversity indices at the late aquaculture stage (LAS) were significantly higher than those at the early aquaculture stage (EAS). The average degree of the co-occurrence network constructed based on the samples at the EAS was significantly higher than that at the middle aquaculture stage (MAS), and they were both significantly higher than those at the LAS. The proportions of gut microbiota from the water microbiota in the MAS and LAS were significantly higher than those at the EAS, and the proportion of gut microbiota from the sediment microbiota at the LAS was significantly higher than that at the EAS. These results imply that the gut microbiota of shrimp seedlings obtained a small amount of microorganisms from the ambient microbiota and gradually formed new gut microbiota with the inherent microbiota. These results provide support for the subsequent development of aquaculture technology to prevent bacterial diseases in Pacific white shrimp.

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