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Meng S, Liang X, Peng T, Liu Y, Wang H, Huang T, Gu JD, Hu Z. Ecological distribution and function of comammox Nitrospira in the environment. Appl Microbiol Biotechnol 2023:10.1007/s00253-023-12557-6. [PMID: 37195422 DOI: 10.1007/s00253-023-12557-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 04/25/2023] [Accepted: 04/26/2023] [Indexed: 05/18/2023]
Abstract
Complete ammonia oxidizers (Comammox) are of great significance for studying nitrification and expanding the understanding of the nitrogen cycle. Moreover, Comammox bacteria are also crucial in natural and engineered environments due to their role in wastewater treatment and maintaining the flux of greenhouse gases to the atmosphere. However, only few studies are there regarding the Comammox bacteria and their role in ammonia and nitrite oxidation in the environment. This review mainly focuses on summarizing the genomes of Nitrospira in the NCBI database. Ecological distribution of Nitrospira was also reviewed and the influence of environmental parameters on genus Nitrospira in different environments has been summarized. Furthermore, the role of Nitrospira in carbon cycle, nitrogen cycle, and sulfur cycle were discussed, especially the comammox Nitrospira. In addition, the overviews of current research and development regarding comammox Nitrospira, were summarized along with the scope of future research. KEY POINTS: • Most of Comammox Nitrospira are widely distributed in both aquatic and terrestrial ecosystems, but it has been studied less frequently in the extreme environments. • Comammox Nitrospira can be involved in different nitrogen transformation process, but rarely involved in nitrogen fixation. • The stable isotope and transcriptome techniques are important methods to study the metabolic function of comammox Nitrospira.
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Affiliation(s)
- Shanshan Meng
- Department of Biology, Shantou University, Shantou, Guangdong, 515063, P.R. China
| | - Xueji Liang
- Department of Biology, Shantou University, Shantou, Guangdong, 515063, P.R. China
| | - Tao Peng
- Department of Biology, Shantou University, Shantou, Guangdong, 515063, P.R. China
| | - Yongjin Liu
- Department of Biology, Shantou University, Shantou, Guangdong, 515063, P.R. China
| | - Hui Wang
- Department of Biology, Shantou University, Shantou, Guangdong, 515063, P.R. China
| | - Tongwang Huang
- Department of Biology, Shantou University, Shantou, Guangdong, 515063, P.R. China
| | - Ji-Dong Gu
- Environmental Science and Engineering Research Group, Guangdong Technion - Israel Institute of Technology, 241 Daxue Road, Shantou, 515063, Guangdong, China
- Guangdong Provincial Key Laboratory of Materials and Technologies for Energy Conversion, Guangdong Technion - Israel Institute of Technology, 241 Daxue Road, Shantou, 515063, Guangdong, China
| | - Zhong Hu
- Department of Biology, Shantou University, Shantou, Guangdong, 515063, P.R. China.
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Valencia A, Ordonez D, Wen D, McKenna AM, Chang NB, Wanielista MP. The interaction of dissolved organic nitrogen removal and microbial abundance in iron-filings based green environmental media for stormwater treatment. ENVIRONMENTAL RESEARCH 2020; 188:109815. [PMID: 32592942 DOI: 10.1016/j.envres.2020.109815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 04/14/2020] [Accepted: 06/10/2020] [Indexed: 06/11/2023]
Abstract
Nonpoint sources pollution from agricultural crop fields and urbanized regions oftentimes have elevated concentrations of dissolved organic nitrogen (DON) in stormwater runoff, which are difficult for microbial communities to decompose. The impact of elevated DON can be circumvented through the use of green sorption media, such as Biosorption Activated Media (BAM) and Iron-Filing Green Environmental Media (IFGEM), which, as integral parts of microbial ecology, can contribute to the decomposition of DON. To compare the fate, transport, and transformation of DON in green sorption media relative to natural soil (control), a series of fixed-bed columns, which contain natural soil, BAM, and two types of IFGEM, respectively, were constructed to compare nutrient removal efficiency under three distinct stormwater influent conditions containing nitrogen and phosphorus. The interactions among six microbial species, including ammonia-oxidizing bacteria, nitrite-oxidizing bacteria, complete ammonia oxidation (comammox) bacteria, anaerobic ammonium oxidation (anammox) bacteria, dissimilatory nitrate reduction to ammonium bacteria, and iron-reducing bacteria, were further analyzed from microbial ecology perspectives to determine the DON impact on nutrient removal in BAM and IFGEM. Natural soil was only able to achieve adequate DON transformation at the influent condition of lower nutrient concentration. However, the two types of IFGEM showed satisfactory nutrient removals and achieved greater transformation of DON relative to BAM when treating stormwater in all three influent conditions.
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Affiliation(s)
- Andrea Valencia
- Department of Civil, Environmental, and Construction Engineering Department, University of Central Florida, Orlando, FL, USA
| | - Diana Ordonez
- Department of Civil, Environmental, and Construction Engineering Department, University of Central Florida, Orlando, FL, USA
| | - Dan Wen
- Department of Civil, Environmental, and Construction Engineering Department, University of Central Florida, Orlando, FL, USA
| | - Amy M McKenna
- National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, USA
| | - Ni-Bin Chang
- Department of Civil, Environmental, and Construction Engineering Department, University of Central Florida, Orlando, FL, USA.
| | - Martin P Wanielista
- Department of Civil, Environmental, and Construction Engineering Department, University of Central Florida, Orlando, FL, USA
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Wen D, Chang NB, Wanielista MP. Assessing Nutrient Removal in Stormwater Runoff for Urban Farming with Iron filings-based Green Environmental Media. Sci Rep 2020; 10:9379. [PMID: 32523005 PMCID: PMC7287050 DOI: 10.1038/s41598-020-66159-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 05/13/2020] [Indexed: 01/31/2023] Open
Abstract
Ensuring urban areas have access to clean drinking water, safe food supply, and uncontaminated water bodies is essential to the good health of millions of urban residents. This paper presents the functionality of Iron Filings-based Green Environmental Media (IFGEM) in terms of nutrient removal efficiencies to support water quality management and urban farming. IFGEM uses recycled materials such as tire crumb and iron filings to help remove nutrients with essential physicochemical properties. In this study, IFGEM were proven effective and sustainable through an isotherm study, a column study of reaction kinetics, and a microstructure examination under various inlet nutrient concentration levels. IFGEMs exhibited over 90% nitrate removal, as well as 50–70% total phosphorus removal, under most inlet conditions. These promising results make IFGEM suitable for treating stormwater runoff, wastewater effluent, and agricultural discharge via varying ex situ treatment units in flexible landscape environments. In addition, the byproduct of ammonia generation permits possible reuse of spent IFGEM as soil amendments in crop land, gardens and yards, and green roofs for urban farming. Findings may help secure urban food supply chains and harmonize nutrients, soil, water, and waste management in different urban environments.
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Affiliation(s)
- Dan Wen
- Department of Civil, Environmental, and Construction Engineering, University of Central Florida, Orlando, FL, 32816, USA
| | - Ni-Bin Chang
- Department of Civil, Environmental, and Construction Engineering, University of Central Florida, Orlando, FL, 32816, USA.
| | - Martin P Wanielista
- Department of Civil, Environmental, and Construction Engineering, University of Central Florida, Orlando, FL, 32816, USA
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