[1]金春英,朱笔通,赵春贵.沼泽红假单胞菌CQV97对养殖水体无机三态氮的去除机制[J].华侨大学学报(自然科学版),2019,40(6):779-785.[doi:10.11830/ISSN.1000-5013.201905044]
　JIN Chunying,ZHU Bitong,ZHAO Chungui.Removal Mechanism of Inorganic Tri-State Nitrogen From Aquaculture Water by Rhodopseudomonas palustris CQV97[J].Journal of Huaqiao University(Natural Science),2019,40(6):779-785.[doi:10.11830/ISSN.1000-5013.201905044]
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沼泽红假单胞菌CQV97对养殖水体无机三态氮的去除机制()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第40卷
期数:
2019年第6期
页码:
779-785
栏目:
出版日期:
2019-11-20

文章信息/Info

Title:
Removal Mechanism of Inorganic Tri-State Nitrogen From Aquaculture Water by Rhodopseudomonas palustris CQV97
文章编号:
1000-5013(2019)06-0779-07
作者:
金春英;  朱笔通;  赵春贵
华侨大学 化工学院, 福建 厦门 361021
Author(s):
JIN Chunying;  ZHU Bitong;  ZHAO Chungui
College of Chemical Engineering, Huaqiao University, Xiamen 361021, China
关键词:
沼泽红假单胞菌CQV97;  不产氧光合细菌;  无机氮;  脱氮机制
Keywords:
Rhodopseudomonas palustris CQV97;  anoxygenic phototrophic bacteria;  inorganic nitrogen;  nitrogen removal mechanism
分类号:
Q811.4
DOI:
10.11830/ISSN.1000-5013.201905044
文献标志码:
A
摘要:
针对不产氧光合细菌(APB)在养殖水体脱氮过程中是否积累氨氮和亚硝氮等有害产物的问题,以沼泽红假单胞菌CQV97为APB的代表菌株,系统地研究该菌株对无机三态氮的去除机制.结果表明:该菌株能以无机三态氮为唯一氮源生长,通过氨同化、氨氧化、反硝化、亚硝酸盐氧化和同化硝酸盐还原机制脱除无机三态氮;该菌株在氨氮去除过程中积累亚硝氮,在硝氮去除过程中积累氨氮和亚硝氮,在亚硝氮去除过程中积累硝氮.
Abstract:
In order to solve the problem whether ammonia, nitrite and other harmful products are accumulated in aquaculture water during the denitrification process of anoxygenic phototrophic bacteria(APB), this study investigated systematically the removal mechanism of inorganic nitrogen including ammonia, nitrite and nitrate by using Rhodopseudomonas palustris CQV97 as the model strain of APB. The results show that strain CQV97 is capable of growing with inorganic nitrogen as the sole nitrogen source and removes them by the mechanism of ammonium assimilation, ammonia oxidation, denitrification, nitrite oxidation and assimilation nitrate reduction. In addtion, nitrite is accumulated during the process of ammonia removal, ammonia and nitrate are accumulated during the process of nitrate removal, and nitrite is accumulated in the process of nitrite removal.

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备注/Memo

备注/Memo:
收稿日期: 2019-05-24
通信作者: 赵春贵(1964-),男,教授,博士,主要从事资源与环境微生物的研究.E-mail:chungui@hqu.edu.cn.
基金项目: 国家海洋公益性行业科研专项(201505026); 福建省自然科学基金资助项目(2018J01049)
更新日期/Last Update: 2019-11-20