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Zhou N, Xiao Z, Chen D. Formation/characterization of humin-mediated anaerobic granular sludge and enhanced methanogenic performance. BIORESOURCE TECHNOLOGY 2024; 399:130603. [PMID: 38499204 DOI: 10.1016/j.biortech.2024.130603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 03/15/2024] [Accepted: 03/15/2024] [Indexed: 03/20/2024]
Abstract
This study presents a novel method for accelerating the granulation of methanogenic anaerobic granular sludge (AnGS) in an upflow anaerobic sludge blanket (UASB) reactor using solid-phase humin (HM). The results demonstrated that HM-mediated AnGS (HM-AnGS) formed rapidly within 50 days. The increase in particle size, settling velocity and mechanical strength was attributed to the rapid granulation of the HM-AnGS. The maximum methane yield of the HM-AnGS was 5-fold higher than that of the control group. This is consistent with the findings, which showed that HM-AnGS had 3.2-3.4 times more methyl-coenzyme M reductase (Mcr) activity and 2.4-2.9 times more adenosine triphosphate (ATP) than control groups. Molecular analyses indicate that HM most likely accelerated interspecies electron transfer (IET) in HM-AnGS (e.g., from Enterococcus to Methanosaeta). Furthermore, the HM-AnGS was effective in recovering energy from actual slaughterhouse wastewater.
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Affiliation(s)
- Ningli Zhou
- College of Urban Construction, Nanjing Tech University, Nanjing 211816, PR China
| | - Zhixing Xiao
- College of Urban Construction, Nanjing Tech University, Nanjing 211816, PR China
| | - Dan Chen
- College of Urban Construction, Nanjing Tech University, Nanjing 211816, PR China.
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Mei N, Tremblay PL, Wu Y, Zhang T. Proposed mechanisms of electron uptake in metal-corroding methanogens and their potential for CO 2 bioconversion applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 923:171384. [PMID: 38432383 DOI: 10.1016/j.scitotenv.2024.171384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/28/2024] [Accepted: 02/28/2024] [Indexed: 03/05/2024]
Abstract
Some methanogens are electrotrophic bio-corroding microbes that can acquire electrons from solid surfaces including metals. In the laboratory, pure cultures of methanogenic cells oxidize iron-based materials including carbon steel, stainless steel, and Fe0. For buried or immersed pipelines or other metallic structures, methanogens are often major components of corroding biofilms with complex interspecies relationships. Models explaining how these microbes acquire electrons from solid donors are multifaceted and include electron transfer via redox mediators such as H2 or by direct contact through membrane proteins. Understanding the electron uptake (EU) routes employed by corroding methanogens is essential to develop efficient strategies for corrosion prevention. It is also beneficial for the development of bioenergy applications relying on methanogenic EU from solid donors such as bioelectromethanogenesis, hybrid photosynthesis, and the acceleration of anaerobic digestion with electroconductive particles. Many methanogenic species carrying out biocorrosion are the same ones forming the extensive abiotic-biological interfaces at the core of these bio-applications. This review will discuss the interactions between corrosive methanogens and metals and how the EU capability of these microbes can be harnessed for different sustainable biotechnologies.
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Affiliation(s)
- Nan Mei
- Institut WUT-AMU, Wuhan University of Technology, Wuhan 430070, PR China
| | - Pier-Luc Tremblay
- Institut WUT-AMU, Wuhan University of Technology, Wuhan 430070, PR China; School of Chemistry, Chemical Engineering, and Life Science, Wuhan University of Technology, Wuhan 430070, PR China; Shaoxing Institute for Advanced Research, Wuhan University of Technology, Shaoxing 312300, PR China; Sanya Science and Education Innovation Park, Wuhan University of Technology, Sanya 572024, PR China
| | - Yuyang Wu
- Institut WUT-AMU, Wuhan University of Technology, Wuhan 430070, PR China
| | - Tian Zhang
- Institut WUT-AMU, Wuhan University of Technology, Wuhan 430070, PR China; School of Chemistry, Chemical Engineering, and Life Science, Wuhan University of Technology, Wuhan 430070, PR China; Shaoxing Institute for Advanced Research, Wuhan University of Technology, Shaoxing 312300, PR China; Sanya Science and Education Innovation Park, Wuhan University of Technology, Sanya 572024, PR China.
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Hanišáková N, Vítězová M, Vítěz T, Kushkevych I, Kotrlová E, Novák D, Lochman J, Zavada R. Microbiological insight into various underground gas storages in Vienna Basin focusing on methanogenic Archaea. Front Microbiol 2023; 14:1293506. [PMID: 38188570 PMCID: PMC10771303 DOI: 10.3389/fmicb.2023.1293506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 11/21/2023] [Indexed: 01/09/2024] Open
Abstract
In recent years, there has been a growing interest in extending the potential of underground gas storage (UGS) facilities to hydrogen and carbon dioxide storage. However, this transition to hydrogen storage raises concerns regarding potential microbial reactions, which could convert hydrogen into methane. It is crucial to gain a comprehensive understanding of the microbial communities within any UGS facilities designated for hydrogen storage. In this study, underground water samples and water samples from surface technologies from 7 different UGS objects located in the Vienna Basin were studied using both molecular biology methods and cultivation methods. Results from 16S rRNA sequencing revealed that the proportion of archaea in the groundwater samples ranged from 20 to 58%, with methanogens being the predominant. Some water samples collected from surface technologies contained up to 87% of methanogens. Various species of methanogens were isolated from individual wells, including Methanobacterium sp., Methanocalculus sp., Methanolobus sp. or Methanosarcina sp. We also examined water samples for the presence of sulfate-reducing bacteria known to be involved in microbially induced corrosion and identified species of the genus Desulfovibrio in the samples. In the second part of our study, we contextualized our data by comparing it to available sequencing data from terrestrial subsurface environments worldwide. This allowed us to discern patterns and correlations between different types of underground samples based on environmental conditions. Our findings reveal presence of methanogens in all analyzed groups of underground samples, which suggests the possibility of unintended microbial hydrogen-to-methane conversion and the associated financial losses. Nevertheless, the prevalence of methanogens in our results also highlights the potential of the UGS environment, which can be effectively leveraged as a bioreactor for the conversion of hydrogen into methane, particularly in the context of Power-to-Methane technology.
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Affiliation(s)
- Nikola Hanišáková
- Section of Microbiology, Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
| | - Monika Vítězová
- Section of Microbiology, Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
| | - Tomáš Vítěz
- Section of Microbiology, Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
- Department of Agricultural, Food and Environmental Engineering, Faculty of AgriSciences, Mendel University in Brno, Brno, Czechia
| | - Ivan Kushkevych
- Section of Microbiology, Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
| | - Eva Kotrlová
- Section of Microbiology, Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
| | - David Novák
- Department of Biochemistry, Faculty of Science, Masaryk University, Brno, Czechia
| | - Jan Lochman
- Department of Biochemistry, Faculty of Science, Masaryk University, Brno, Czechia
| | - Roman Zavada
- Innovation Unit, NAFTA a.s., Bratislava, Slovakia
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Abstract
A wide diversity of microorganisms, typically growing as biofilms, has been implicated in corrosion, a multi-trillion dollar a year problem. Aerobic microorganisms establish conditions that promote metal corrosion, but most corrosion has been attributed to anaerobes. Microbially produced organic acids, sulfide and extracellular hydrogenases can accelerate metallic iron (Fe0) oxidation coupled to hydrogen (H2) production, as can respiratory anaerobes consuming H2 as an electron donor. Some bacteria and archaea directly accept electrons from Fe0 to support anaerobic respiration, often with c-type cytochromes as the apparent outer-surface electrical contact with the metal. Functional genetic studies are beginning to define corrosion mechanisms more rigorously. Omics studies are revealing which microorganisms are associated with corrosion, but new strategies for recovering corrosive microorganisms in culture are required to evaluate corrosive capabilities and mechanisms. Interdisciplinary studies of the interactions among microorganisms and between microorganisms and metals in corrosive biofilms show promise for developing new technologies to detect and prevent corrosion. In this Review, we explore the role of microorganisms in metal corrosion and discuss potential ways to mitigate it.
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Affiliation(s)
- Dake Xu
- Electrobiomaterials Institute, Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), Northeastern University, Shenyang, China
- Shenyang National Laboratory for Materials Science, Northeastern University, Shenyang, China
| | - Tingyue Gu
- Department of Chemical & Biomolecular Engineering, Ohio University, Athens, OH, USA.
- Department of Biological Sciences, Ohio University, Athens, OH, USA.
- Institute for Corrosion and Multiphase Technology, Ohio University, Athens, OH, USA.
- Institute for Sustainable Energy and the Environment, Ohio University, Athens, OH, USA.
| | - Derek R Lovley
- Electrobiomaterials Institute, Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), Northeastern University, Shenyang, China
- Department of Microbiology, University of Massachusetts, Amherst, MA, USA
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Wang J, Li X, Guan F, Yang Z, Zhai X, Zhang Y, Tang X, Duan J, Xiao H. The Isolation of Anaerobic and Facultative Anaerobic Sulfate-Reducing Bacteria (SRB) and a Comparison of Related Enzymes in Their Sulfate Reduction Pathways. Microorganisms 2023; 11:2019. [PMID: 37630579 PMCID: PMC10458228 DOI: 10.3390/microorganisms11082019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 08/03/2023] [Accepted: 08/04/2023] [Indexed: 08/27/2023] Open
Abstract
Sulfate-reducing bacteria (SRB) are an important group of microorganisms that cause microbial corrosion. In this study, culturable SRB were isolated and identified from the inner rust layer of three kinds of steel and from sediments, and a comparison of amino acid sequences encoding related enzymes in the sulfate reduction pathway between anaerobic and facultative anaerobic SRB strains was carried out. The main results are as follows. (1) Seventy-seven strains were isolated, belonging to five genera and seven species, with the majority being Desulfovibrio marinisediminis. For the first time, Holodesulfovibrio spirochaetisodalis and Acinetobacter bereziniae were separated from the inner rust layer of metal, and sulfate reduction by A. bereziniae, Virgibacillus dokdonensis, and Virgibacillus chiguensis, etc., was also demonstrated for the first time. (2) Three strains of strictly anaerobic bacteria and four strains of facultative anaerobic bacteria were screened from seven bacterial strains. (3) Most of the anaerobic SRB only contained enzymes for the dissimilatory sulfate reduction pathway, while those of facultative anaerobic bacteria capable of producing hydrogen sulfide included two possible ways: containing the related enzymes from the dissimilatory pathway only, or containing enzymes from both dissimilatory and assimilation pathways. This study newly discovered that some bacterial genera exhibit sulfate reduction ability and found that there are differences in the distribution of enzymes related to the sulfate reduction pathway between anaerobic and facultative anaerobic SRB type trains, providing a basis for the development and utilization of sulfate-reducing bacterial resources and furthering our understanding of the metabolic mechanisms of SRB.
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Affiliation(s)
- Jing Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
- Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China
| | - Xiaohong Li
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Fang Guan
- Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China
- Laoshan Laboratory, Qingdao 266000, China
| | - Zhibo Yang
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Xiaofan Zhai
- Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China
- Laoshan Laboratory, Qingdao 266000, China
| | - Yimeng Zhang
- Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China
- Laoshan Laboratory, Qingdao 266000, China
| | - Xuexi Tang
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
- Laoshan Laboratory, Qingdao 266000, China
| | - Jizhou Duan
- Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China
- Laoshan Laboratory, Qingdao 266000, China
| | - Hui Xiao
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
- Laoshan Laboratory, Qingdao 266000, China
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Hou R, Lu S, Chen S, Dou W, Liu G. The corrosion of 316L stainless steel induced by methanocossus mariplaudis through indirect electron transfer in seawater. Bioelectrochemistry 2023; 149:108310. [DOI: 10.1016/j.bioelechem.2022.108310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 10/07/2022] [Accepted: 10/16/2022] [Indexed: 12/05/2022]
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Wakai S, Eno N, Mizukami H, Sunaba T, Miyanaga K, Miyano Y. Microbiologically influenced corrosion of stainless steel independent of sulfate-reducing bacteria. Front Microbiol 2022; 13:982047. [PMID: 36312937 PMCID: PMC9597249 DOI: 10.3389/fmicb.2022.982047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 09/22/2022] [Indexed: 11/14/2022] Open
Abstract
The presence and activities of microorganisms on metal surfaces can affect corrosion. Microbial communities after such corrosion incidents have been frequently analyzed, but little is known about the dynamics of microbial communities in biofilms on different types of stainless steels, such as austenitic, martensitic, and duplex stainless steels. Here, we conducted immersion experiments on 10 types of stainless steels in a freshwater environment, where microbiologically influenced corrosion was observed. During 22-month of immersion, severe localized corrosions were observed only on martensitic S40300 stainless steel. Microbial community analysis showed notable differences between non-corroded and corroded stainless steels. On the surfaces of non-corroded stainless steels, microbial communities were slowly altered and diversity decreased over time; in particular, relative abundance of Nitrospira sp. notably increased. Whereas microbial communities in corrosion products on corroded stainless steels showed low diversity; in particular, the family Beggiatoaceae bacteria, iron-oxidizing bacteria, and Candidatus Tenderia sp. were enriched. Furthermore, sulfur enrichment during localized corrosion was observed. Since there was no enrichment of sulfate-reducing bacteria, the sulfur enrichment may be derived from the presence of family Beggiatoaceae bacteria with intracellular sulfur inclusion. Our results demonstrated slow and drastic changes in microbial communities on the healthy and corroded metal surfaces, respectively, and microbial communities on the healthy metal surfaces were not affected by the composition of the stainless steel.
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Affiliation(s)
- Satoshi Wakai
- Institute for Extra-Cutting-Edge Science and Technology Avant-Garde Research (X-Star), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Japan
- PRESTO, Japan Science and Technology Agency (JST), Tokyo, Japan
- *Correspondence: Satoshi Wakai,
| | - Nanami Eno
- Materials and Corrosion Group, Technical Research Center, Technical Division, INPEX Corporation, Tokyo, Japan
| | - Hirotaka Mizukami
- Materials and Corrosion Group, Technical Research Center, Technical Division, INPEX Corporation, Tokyo, Japan
| | - Toshiyuki Sunaba
- Materials and Corrosion Group, Technical Research Center, Technical Division, INPEX Corporation, Tokyo, Japan
| | - Kazuhiko Miyanaga
- School of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Japan
| | - Yasuyuki Miyano
- Graduate School of Engineering Science, Akita University, Akita, Japan
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