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Heterotrophic nitrifying and aerobic denitrifying microorganisms in extreme environments
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Pengyi LYU1, Xiaoman LI2, Xiao LUO1, *, Yunqi LIU2, Dongqing LIN2
Acta Microbiologica Sinica | 2024, 64(12) : 4681 - 4700
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Acta Microbiologica Sinica | 2024, 64(12): 4681-4700
• Reviews •
Heterotrophic nitrifying and aerobic denitrifying microorganisms in extreme environments
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Pengyi LYU1, Xiaoman LI2, Xiao LUO1, *, Yunqi LIU2, Dongqing LIN2
Affiliations
  • 1 Hebei Key Laboratory of Pollution Prevention Biotechnology, College of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, Hebei, China
  • 2 School of Civil Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, Hebei, China
Published: 2024-09-23 doi: 10.13343/j.cnki.wsxb.20240395
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Heterotrophic nitrification and aerobic denitrification microorganisms (HNADMs) can complete both nitrification and denitrification under aerobic conditions, which paves a new way for biological nitrogen removal. Researchers have discovered that some HNADMs maintain high nitrogen removal efficiency in extreme environments, exhibiting high application potential in the nitrogen removal of atypical wastewater. However, the available studies on HNADMs in extreme conditions remain in the initial stage. This article introduces the diversity, physiological and biochemical characteristics, and the complexity of metabolic pathways of HNADMs. Particularly, it reviews the research progress in HNADMs regarding the tolerance mechanisms to extreme temperature, pH, high salt, oligotrophic, and heavy metal stress conditions, nitrogen removal efficiency of simultaneous nitrogen and phosphorus removal, degradation of complex organic matter, and antibiotic resistance. Furthermore, the application status of HNADMs in extreme environments is summarized. Finally, the bottlenecks in the application of HNADMs in extreme environments are prospected. The review is expected to provide basic data for the application of HNADMs in complex wastewater treatment.

heterotrophic nitrification and aerobic denitrification  /  extreme environments  /  nitrogen removal efficiency  /  tolerance mechanism  /  application status
Pengyi LYU, Xiaoman LI, Xiao LUO, Yunqi LIU, Dongqing LIN. Heterotrophic nitrifying and aerobic denitrifying microorganisms in extreme environments[J]. Acta Microbiologica Sinica, 2024 , 64 (12) : 4681 -4700 . DOI: 10.13343/j.cnki.wsxb.20240395
Funding
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  • Key Research and Development Project of Hebei Province(21373904D)
  • Doctoral Starting up Foundation of Hebei University of Science and Technology(1181374)
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Year 2024 volume 64 Issue 12
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Article Info
doi: 10.13343/j.cnki.wsxb.20240395
  • Receive Date：2024-06-28
  • Online Date：2026-03-21
  • Published：2024-09-23
Article Data
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History
  • Received：2024-06-28
  • Accepted：2024-09-20
Funding
Key Research and Development Project of Hebei Province(21373904D)
Doctoral Starting up Foundation of Hebei University of Science and Technology(1181374)
Affiliations
    1 Hebei Key Laboratory of Pollution Prevention Biotechnology, College of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, Hebei, China
    2 School of Civil Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, Hebei, China

Corresponding:

*LUO Xiao, E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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