Review of ammonia-oxidizing bacteria and archaea in freshwater ponds

文献类型： 外文期刊

第一作者： Lu, Shimin

作者： Lu, Shimin;Liu, Xingguo;Liu, Chong;Wang, Xiaodong;Cheng, Guofeng

作者机构：

关键词： Ammonia-oxidizing archaea; Ammonia-oxidizing bacteria; Aquaculture water; Artificial substrate; Distribution; Freshwater aquaculture pond; Sediment

期刊名称：REVIEWS IN ENVIRONMENTAL SCIENCE AND BIO-TECHNOLOGY （ 影响因子：8.044； 五年影响因子：9.71 ）

ISSN： 1569-1705

年卷期： 2019 年 18 卷 1 期

页码：

收录情况： SCI

摘要： Aquaculture ponds are simple and unique ecosystems, which are affected intensively by human activities. In this mini-review, we focus our attention on the distribution and community diversity of ammonia-oxidizing bacteria (AOB) and ammonia-oxidizing archaea (AOA) in pond water and sediments, as well as the possible ecological mechanisms involved. Moreover, we discuss the possibility of increasing the activity of ammonia-oxidizing organisms in order to improve the water quality in aquaculture ponds. Compared with eutrophic lakes, the significantly higher ammonia concentration in pond water does not lead to significantly higher AOB levels, and the abundance of AOA is too low to quantify accurately. Similar to eutrophic lakes, high abundances of AOA and AOB are present in the surface sediments at the same time, where the oxidation of ammonia is performed mainly by AOB. AOB and AOA exhibit significant seasonal variations in aquaculture ponds, which are affected by the temperature, pH, and dissolved oxygen. The dominant AOB species are Nitrosomonas and the Nitrosospira lineage in pond environments. Nitrososphaera or members of the Nitrososphaera-like cluster dominate the AOA species in surface sediments, whereas the Nitrosopumilus cluster dominates the deeper sediments. AOB and AOA can be enriched on artificial substrates suspended in the pond water, thereby potentially improving the water quality.

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