1.Key Laboratory of Aquatic Germplasm Resources Exploration and Utilization，Ministry of Education，Shanghai Ocean University，Shanghai 201306，China；2.National Experimental Teaching Demonstration Center of Fishery Science，Shanghai Ocean University，Shanghai 201306，China；3.Aquatic Life Conservation and Rescue Center of Jiangxi Province，Nanchang 330042，China；4.Jiujiang Academy of Agricultural Sciences，Jiujiang 332000，China
Abstract: In order to evaluate the intestinal microorganisms of fishes in different waters, the intestinal microbial composition and diversity were analyzed in whole intestinal samples of large and small with body 2 sizes of shortjaw tapertail anchovy Coiliabrachygnathus weight of 100-130 g and 10-30 g, respectively, collected in Poyang Lake (PYH-L and PYH-S) (116°09′46″-116°10′03″E, 29°38′48″- 29°40′06″ N), Jiangxi Province and Qingcaosha Reservoir (QCS-L and QCS-S)(121°34′34″- 121°37′17″ E, 31°26′40″-31°28′39″ N) of the Yangtze Estuary, on late November of 2021 by 16S rRNA using high throughput sequencing technology. The results showed that there was average intestinal microbial composition OTU of 524 (large size) and 472 (small size) in Qingcaosha Reservoir and 466 (large size) and 567 (small size) in Poyang Lake. There were higher Shannon and Simpson indices in intestinal microbial diversity in QCS-L than PYH-L, while the lower Shannon and Simpson indices QCS-S were than PYH-S. The abundance of bacteria in the intestines of shortjaw tapertail anchovy was varied greatly in different waters for each phylum, with the most diverse microbial group of Burkholderia at genus level. The findings indicated that there were obvious differences in intestinal microbial diversity and abundance of shortjaw tapertail anchovy in different waters, which were most likely due to differences in their life histories, feeding transferance and environments of shortjaw tapertail anchovy.
文嗣鑫, 李乐康, 李亚培, 李辰钰, 龚小玲. 不同水域短颌鲚肠道菌群差异分析[J]. 大连海洋大学学报, 2023, 38(4): 615-622.
WEN Sixin, LI Lekang , LI Yapei, LI Chenyu, GONG Xiaoling. Analysis of intestinal microbial diversity of shortjaw tapertail anchovy Coilia brachygnathus in different waters. Journal of Dalian Ocean University, 2023, 38(4): 615-622.
2023, Vol. 38 
