Evaluating the response of anaerobic ammonium-oxidizing bacteria to heavy metal spill in freshwater sediment

Evaluating the response of anaerobic ammonium-oxidizing bacteria to heavy metal spill in freshwater sediment

Anaerobic ammonium-oxidizing (anammox) bacteria can play an important role in nitrogen elimination in the environment. However, the effect of heavy metals on anammox bacteria in aquatic ecosystem remains largely unknown. The present study investigated the variability of anammox bacterial community i...

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Veröffentlicht in:Ecotoxicology (London, England). - 1992. - 28(2019), 8 vom: 30. Okt., Seite 1003-1008
1. Verfasser: Chen, Sili (VerfasserIn)
Weitere Verfasser: Li, Ningning, Chang, Sha, Chen, Dinghao, Xie, Shuguang, Guo, Qingwei
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Ecotoxicology (London, England)
Schlagworte:Journal Article Anaerobic ammonium oxidization Anammoxoglobus Brocadia Heavy metals Sediment Ammonium Compounds Metals, Heavy RNA, Bacterial RNA, Ribosomal, 16S Water Pollutants, Chemical
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520 |a Anaerobic ammonium-oxidizing (anammox) bacteria can play an important role in nitrogen elimination in the environment. However, the effect of heavy metals on anammox bacteria in aquatic ecosystem remains largely unknown. The present study investigated the variability of anammox bacterial community in a freshwater reservoir after a severe heavy metal spill. The richness (Chao1 richness estimator = 2-18), diversity (Shannon index = 0.26-2.04) and community structure of anammox bacteria changed considerably with sampling date, while anammox bacterial abundance (from 1.38 × 105 to 3.09 × 105 anammox bacterial 16S rRNA gene copies per gram dry sediment) was less responsive to metal spill. Anammox bacterial communities were mainly composed of Brocadia- and Anammoxoglobus-like bacteria as well as novel phylotype, however, there relative abundance varied among sampling dates. This work could add the knowledge of the response of anammox bacteria to heavy metal contamination 
650 4 |a Journal Article 
650 4 |a Anaerobic ammonium oxidization 
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650 4 |a Heavy metals 
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650 7 |a Ammonium Compounds  |2 NLM 
650 7 |a Metals, Heavy  |2 NLM 
650 7 |a RNA, Bacterial  |2 NLM 
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650 7 |a Water Pollutants, Chemical  |2 NLM 
700 1 |a Li, Ningning  |e verfasserin  |4 aut 
700 1 |a Chang, Sha  |e verfasserin  |4 aut 
700 1 |a Chen, Dinghao  |e verfasserin  |4 aut 
700 1 |a Xie, Shuguang  |e verfasserin  |4 aut 
700 1 |a Guo, Qingwei  |e verfasserin  |4 aut 
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