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The composition of the microbial community associated with Macrobrachium rosenbergii zoeae varies throughout larval development
Author(s) -
Ma Rongrong,
Wang Yuan,
Zhao Shu,
Yin Menghe,
Fang Wenhong
Publication year - 2020
Publication title -
journal of fish diseases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.819
H-Index - 85
eISSN - 1365-2761
pISSN - 0140-7775
DOI - 10.1111/jfd.13139
Subject(s) - macrobrachium rosenbergii , biology , firmicutes , prawn , proteobacteria , larva , bacteroidetes , macrobrachium , zoology , ecology , actinobacteria , crustacean , decapoda , bacteria , 16s ribosomal rna , genetics
The giant river prawn, Macrobrachium rosenbergii, is an economically important freshwater prawn. The cultivation of zoea larvae is crucial for the success of the M. rosenbergii industry. In this study, we surveyed the microbial community diversity and structure associated with M. rosenbergii zoeae at different stages of larval development. Samples of zoea larvae from different developmental stages were collected and subjected to high‐throughput DNA sequencing. Firmicutes, Proteobacteria, Bacteroidetes and Actinobacteria were the dominant phyla in all six sample groups. At the genus level, the relative abundance of Bacillus decreased, and that of Enterobacter increased with the growth of the zoeae. This may have been related to the intestinal development of the zoea larvae. The microbial diversity of M. rosenbergii zoea larvae decreased significantly with development. The beta diversity analysis showed that the closer the developmental stage of M. rosenbergii , the more similar the structure of the associated bacterial communities.

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