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Insights into the microbiota of larval and postlarval Pacific white shrimp (Penaeus vannamei) along early developmental stages: a case in pond level

文献类型： 外文期刊

作者： Wang, Hailiang 1 ; Huang, Jie 1 ; Wang, Ping 2 ; Li, Ting 2 ;

作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst,Qingdao Key Lab Mar, Lab Marine Fisheries Sci & Food Prod Proc,Minist, Qingdao Natl Lab Marine Sci & Technol,Key Lab Mar, Qingdao, Peoples R China

2.Hainan Zhongzheng Aquat Sci & Technol Co Ltd, Dongfang, Peoples R China

关键词： Shrimp; Life stages; Microbiome; Taxonomic biomarkers

期刊名称：MOLECULAR GENETICS AND GENOMICS （ 影响因子：3.291； 五年影响因子：3.257 ）

ISSN： 1617-4615

年卷期： 2020 年 295 卷 6 期

页码：

收录情况： SCI

摘要： Increasing studies have revealed strong links among gut microbiota, health status, and shrimp development, but they mainly focus on the microbiota of Pacific white shrimp,Penaeus vannamei, during life stages from juveniles to adults. Little is known about shrimp microbiota dynamics at early developmental stages. In this study, with an aim to profile shrimp microbiota and its dynamics at stages nauplius, zoea, mysis, and early postlarva, we conducted a survey for the successful breeding processes in a commercial hatchery in China, sampled 33 samples including larval/postlarval shrimp, suspended substance in rearing water (SSRW), and nutrition supplements (i.e., algae and brine shrimp larvae) at stages N5, Z2, M2, and P2. The associated bacterial communities were sequenced and comparatively analyzed using high-throughput sequencing of bacterial 16S rRNA genes. Our case study results showed that bacterial community structures and compositions were strikingly different at stages N5, Z2, and P2, indicating the shift of microbiota at the three stages. Many taxa withinGamma-,Alphaproteobacteria, andFlavobacteriiaclasses were observed to be stage-specifically abundant and identified as taxonomic biomarkers potentially used to differentiate among shrimp at different early developmental stages. Summing up, these results shed light on larval/postlarval microbiota and its dynamics at different early developmental stages, highlighting the potential roles of shrimp development in microbiota formation and shifting.

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