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Characteristics of Bacterial Community in Pelteobagrus fulvidraco Integrated Multi-Trophic Aquaculture System

文献类型： 外文期刊

作者： Zhao, Yu-Xi 1 ; Liu, Xing-Guo 1 ; Lu, Ming 1 ; Zhou, Run-Feng 1 ; Sun, Zhao-Yun 1 ; Xiao, Shu-Wen 1 ;

作者机构： 1.Minist Agr & Rural Affairs, Key Lab Aquaculture Facil Engn, 63 Chifeng Rd, Shanghai 200092, Peoples R China

2.Chinese Acad Fishery Sci, Fishery Machinery & Instrument Res Inst, 63 Chifeng Rd, Shanghai 200092, Peoples R China

3.Shanghai Ocean Univ, Coll Fisheries & Life Sci, 999 Huchenghuan Rd, Shanghai 201306, Peoples R China

4.Univ Shanghai Sci & Technol, Coll Environm & Architecture, 516 Jungong Rd, Shanghai 200093, Peoples R China

5.Nanjing Agr Univ, Wuxi Fisheries Coll, 69 Renbin Rd, Wuxi 214128, Jiangsu, Peoples R China

关键词： Pelteobagrus fulvidraco; integrated multi-trophic aquaculture; water quality; bacterial community

期刊名称：WATER （ 影响因子：3.53； 五年影响因子：3.628 ）

ISSN：

年卷期： 2022 年 14 卷 20 期

页码：

收录情况： SCI

摘要： Pelteobagrus fulvidraco integrated multi-trophic aquaculture system (YPS) is a new ecological culture system of Pelteobagrus fulvidraco. In this manuscript, we used high throughput sequencing technology and the water analysis method to analyze the bacterial community characteristics of YPS and the water environment, respectively. The results showed that the concentration of total nitrogen (1.47 similar to 1.84 mg/L) and total phosphorus (0.14 similar to 0.18 mg/L) reached the discharge standard of freshwater pond aquaculture water, and the concentrations of ammonia (0.10 similar to 0.95 mg/L) and nitrite (3.85 similar to 6.68 mu g/L) were lower than those in traditional ponds, which was suitable for the growth of Pelteobagrus fulvidraco. At the phylum level, Actinobacteria (35.68%), Firmicutes (24.58%), Proteobacteria (23.49%) and Bacteroidetes (6.59%) were the dominant phyla. The abundance of genus had obvious seasonal variation characteristics. In spring (April), Limnohabitans (8.01%) was the dominant genus; in early summer (June), Exiguobacterium (23.44%), Planococcus (22.27%), Paenisporosarcina (16.81%) and Planomicrobium (5.85%) were the dominant genera; at the end of summer (August), hgcI_clade (21.84%) and CL500_29 marin_group (4.61%) were the dominant genera; compared with the end of summer, the dominant genera Sporichthyaceae (11.31%) and Sediminibacterium (3.32%) were newly added in autumn (October). The dominant genera in different periods were correlated with dissolved oxygen, water temperature and nitrogen nutrients. With the accumulation of nitrogen nutrients in water, the abundance of metabolic pathways in the bacterial community increased, and the abundance of infectious and immune disease pathways increased. This study provides a theoretical basis for the regulation of YPS.

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