Comparative study on intestinal bacterial communities of Boleophthalmus pectinirostris and Periophthalmus magnuspinnatus with different sexes and feeding strategies
文献类型: 外文期刊
第一作者: Ma, Rongrong
作者: Ma, Rongrong;Wang, Sikai;Zhao, Feng;Xu, Chao;Ji, Yan;Song, Chao;Wang, Yu;Zhuang, Ping;Ma, Rongrong;Ji, Yan
作者机构:
关键词: Mudskippers;Intestinal microbiota;Sex;Feeding strategy
期刊名称:ANNALS OF MICROBIOLOGY ( 影响因子:2.112; 五年影响因子:2.151 )
ISSN: 1590-4261
年卷期: 2018 年 68 卷 3 期
页码:
收录情况: SCI
摘要: Intertidal mudflats are unique, highly productive ecosystems. Boleophthalmus pectinirostris and Periophthalmus magnuspinnatus are common fish species that are distributed in the intertidal mudflats of the Yangtze Estuary in China. They perform important ecological functions and have different feeding strategies. Herein, we studied the intestinal microbial diversity and structure of wild B. pectinirostris and P. magnuspinnatus with different sexes and feeding strategies during their breeding season. Gut samples of B. pectinirostris and P. magnuspinnatus individuals (female:male ratio = 1:1) were collected and subjected to high-throughput DNA sequencing. The results showed Proteobacteria was the most dominant phylum in all the four sample groups: 73.5% in the males and 52.6% in the females of B. pectinirostris and 40.2% in the males and 40.9% in the females of P. magnuspinnatus. Aeromonas, Shewanella, Halomonas, and Acinetobacter of the phylum Proteobacteria were dominant genera in all the sample groups and accounted for 62.13% of the ten dominant genera. The diversity of the intestinal microflora in the omnivorous P. magnuspinnatus was significantly higher (P < 0.05) than that in the herbivorous B. pectinirostris. Beta diversity, including PCoA and UPGMA of unweighted UniFrac distances, showed that B. pectinirostris samples were clustered together, and P. magnuspinnatus samples were clustered together, implying the effect of the feeding habits on the microbial community structure is more considerable than that of sex.
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