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Li X, Zhang R, Zhang J, Li Q, Yu Z, Zhou Z, Lin S, Li Z, Cui M, Zhao W, Wang L, Wang F, Xu D. Harnessing Biofilm Scaffold for Structurally Adaptative Slippery Surfaces with Integrated Antifouling and Anticorrosion Properties. Angew Chem Int Ed Engl 2025; 64:e202503295. [PMID: 40192598 DOI: 10.1002/anie.202503295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2025] [Revised: 03/28/2025] [Accepted: 04/02/2025] [Indexed: 04/12/2025]
Abstract
Artificial liquid-repellent surfaces are highly desirable to combat pervasive biofouling and corrosion in biological environments. However, existing strategies often suffer from slow binding kinetics and harsh fabrication conditions, hindering the concurrent integration of liquid repellency, universal adhesion, and robust flexibility. Herein, we report that it is possible to engineer microbial biofilms as eco-friendly, cohesive, and flexible materials for omniphobic slippery coatings fulfilling all these requirements. Unlike conventional synthetic slippery coatings requiring laborious surface pretreatments, biofilm sheets formed on demand assemble a durable nanotextured framework on diverse substrates with multiple material categories and surface topologies, serving as hydrophobic lubricant reservoirs. Employing this renewable material enables the scalable and sustainable coating production. The resulting optically transparent and highly flexible coatings manifest exceptional self-cleaning properties, readily shedding both waterborne and oily liquids over a broad viscosity range. Notably, the synergy between the corrosion-protective extracellular matrix and nonstick slipping motion confers unprecedented antibiofouling efficacy and corrosion resistance. This study offers a distinctive perspective on harnessing ubiquitous native biofilms as biomaterials for self-adaptive coatings, facilitating tailored functionality across broad applications.
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Affiliation(s)
- Xiangyu Li
- State Key Laboratory of Digital Steel, School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, P.R. China
- Foshan Graduate School of Innovation, Northeastern University, Foshan, 528312, P.R. China
| | - Runqing Zhang
- State Key Laboratory of Digital Steel, School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, P.R. China
| | - Jingru Zhang
- State Key Laboratory of Digital Steel, School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, P.R. China
| | - Qike Li
- State Key Laboratory of Digital Steel, School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, P.R. China
| | - Zhiqun Yu
- State Key Laboratory of Digital Steel, School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, P.R. China
| | - Zishuai Zhou
- State Key Laboratory of Digital Steel, School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, P.R. China
| | - Shiman Lin
- State Key Laboratory of Digital Steel, School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, P.R. China
| | - Zhong Li
- State Key Laboratory of Digital Steel, School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, P.R. China
| | - Miaomiao Cui
- State Key Laboratory of Digital Steel, School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, P.R. China
| | - Wenjie Zhao
- State Key Laboratory of Advanced Marine Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P.R. China
| | - Liping Wang
- State Key Laboratory of Advanced Marine Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P.R. China
| | - Fuhui Wang
- State Key Laboratory of Digital Steel, School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, P.R. China
| | - Dake Xu
- State Key Laboratory of Digital Steel, School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, P.R. China
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Shukla SK, Karley D, Upadhyay N, Rao TS. Microbially-influenced corrosion in low carbon stainless steel (SS-304L) by viable but non-culturable (VBNC) bacteria of spent nuclear fuel pool. Arch Microbiol 2025; 207:131. [PMID: 40278899 DOI: 10.1007/s00203-025-04268-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2024] [Revised: 01/28/2025] [Accepted: 02/05/2025] [Indexed: 04/26/2025]
Abstract
Microorganisms can pose significant challenges in causing corrosion of low carbon stainless steel (SS-304L) in closed dynamic systems such as spent nuclear fuel (SNF) pools This study investigates the corrosion behaviour of SS-304L in the presence of biofilm-forming bacteria and 'viable but non-culturable' (VBNC) bacteria present in SNF pool water. Electrochemical measurements such as, open circuit potential (EOCP), pitting potential (Epit), and corrosion rate were measured. Confocal and metallurgical microscopy, were used to provide insights into biofilm morphology and localized corrosion features. Confocal scanning laser microscopy analysis showed variation in biofilm morphology and distribution. The uniform biofilm growth by the four SNF bacterial isolates exhibited corrosion inhibition property. Electrochemical measurements, such as EOCP and Epit, revealed the putative role of VBNC bacteria in the corrosion of SS-304L. Electrochemical impedance spectroscopy study also showed the role of biofilm mediated corrosion inhibition property. Biochemical characterization of extracellular polymeric substance of biofilms revealed very high protein content, which provided an interesting hypothesis regarding SS-304L corrosion prevention. The formation of biofilm protective layer and the probability for localized corrosion by SNF pool water bacteria are described. This study elucidates the complex interplay between microbial biofilms and plausible corrosion in the SNF pool environment that has critical implications to the nuclear power industry.
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Affiliation(s)
- Sudhir K Shukla
- Biofouling and Biofilm Processes Section, Water and Steam Chemistry Division, Bhabha Atomic Research Centre Facilities, Kalpakkam, 603102, India.
- Homi Bhabha National Institute, Mumbai, 400094, India.
| | - Dugeshwar Karley
- Amity Institute of Biotechnology, Amity University Chhattisgarh, Raipur, 493225, India
| | - Namrata Upadhyay
- Homi Bhabha National Institute, Mumbai, 400094, India
- Corrosion Science and Technology Division, IGCAR, Kalpakkam, India
| | - T Subba Rao
- School of Arts and Sciences, Sai University, Chennai, 600130, India
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3
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Li Q, Gong L, Chen X, Gadd GM, Liu D. Dual role of microorganisms in metal corrosion: a review of mechanisms of corrosion promotion and inhibition. Front Microbiol 2025; 16:1552103. [PMID: 40270819 PMCID: PMC12017684 DOI: 10.3389/fmicb.2025.1552103] [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: 12/27/2024] [Accepted: 03/19/2025] [Indexed: 04/25/2025] Open
Abstract
The dual role of microorganisms in metal corrosion and corrosion inhibition reflects their complex biochemical interactions. In terms of corrosion, certain microorganisms accelerate metal oxidation by producing acidic metabolites or facilitating electrochemical processes, thereby causing damage to the material. Conversely, under specific conditions, they can form biofilms and/or biominerals that create protective layers, reducing the oxidation rate and delaying corrosion. This paper provides a comprehensive illustration of microbial corrosion promotion and inhibition, emphasizing the importance of key microorganisms involved in these corrosive processes. Microorganisms, including sulfate-reducing bacteria, nitrate-reducing bacteria, iron-oxidizing and iron-reducing bacteria and certain fungi, contribute to corrosion through their metabolic activities. Microbial corrosion mechanisms can be classified into extracellular electron transfer, microbial metabolism corrosion and the oxygen concentration cell theory. In contrast, microorganisms can effectively mitigate metal corrosion through a range of mechanisms including reduction of dissolved oxygen levels, secretion of antimicrobial substances, biological competition and biomineralization. Microbial corrosion and inhibition generally arise from multiple mechanisms working together, rather than a single cause. A deeper understanding of these mechanisms can provide a theoretical basis and practical guidance for the development of new anti-corrosion strategies.
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Affiliation(s)
- Qianwei Li
- State Key Laboratory of Petroleum Pollution Control, China University of Petroleum, Beijing, China
| | - Lingli Gong
- State Key Laboratory of Petroleum Pollution Control, China University of Petroleum, Beijing, China
| | - Xiaoji Chen
- State Key Laboratory of Petroleum Pollution Control, China University of Petroleum, Beijing, China
| | - Geoffrey Michael Gadd
- State Key Laboratory of Petroleum Pollution Control, China University of Petroleum, Beijing, China
- Geomicrobiology Group, School of Life Sciences, University of Dundee, Dundee, United Kingdom
| | - Daoqing Liu
- State Key Laboratory of Petroleum Pollution Control, China University of Petroleum, Beijing, China
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Qian H, Wang T, Zhang B, Meng G. The acceleration of localized copper corrosion by extracellular polymeric substances of sulfate-reducing bacteria. Bioelectrochemistry 2025; 165:108980. [PMID: 40198994 DOI: 10.1016/j.bioelechem.2025.108980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2025] [Revised: 03/19/2025] [Accepted: 03/27/2025] [Indexed: 04/10/2025]
Abstract
Microbial-induced corrosion (MIC) of copper pipelines, especially in sulfate-reducing bacteria (SRB)-rich environments, poses a significant challenge. Despite its importance, the role of SRB-secreted extracellular polymeric substances (EPS) in copper corrosion particularly their time-dependent interactions remains unclear. This knowledge gap limits the development of effective corrosion mitigation strategies. In this study, we investigate the impact of EPS on copper corrosion using electrochemical and surface characterization techniques. Our findings reveal that EPS exhibits a dual role in copper corrosion. During the initial immersion phase (1-3 days), EPS adsorption forms a protective layer, temporarily inhibiting corrosion. In the middle stage (4-8 days), EPS accelerates corrosion by degrading the copper oxide film, as evidenced by a negative shift in the breakdown potential (Eb). In the final stage (9-14 days), uneven EPS coverage exacerbates localized corrosion. Thus, SRB-secreted EPS initially acts as a corrosion inhibitor but later promotes localized corrosion through oxide film disruption and non-uniform coverage. We systematically investigated the mechanisms of EPS-mediated corrosion inhibition across different immersion periods, identifying the critical transition threshold between the inhibition and promotion phases.
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Affiliation(s)
- Huixuan Qian
- Marine Corrosion and Protection Team, School of Chemical Engineering and Technology (Zhuhai 519082), Sun Yat-sen University, PR China
| | - Tianguan Wang
- Marine Corrosion and Protection Team, School of Chemical Engineering and Technology (Zhuhai 519082), Sun Yat-sen University, PR China
| | - Bo Zhang
- Marine Corrosion and Protection Team, School of Chemical Engineering and Technology (Zhuhai 519082), Sun Yat-sen University, PR China.
| | - Guozhe Meng
- Marine Corrosion and Protection Team, School of Chemical Engineering and Technology (Zhuhai 519082), Sun Yat-sen University, PR China.
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5
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Xu P, Chen X, Xi W. The mechanistic pathways of extracellular polymeric substances in the inhibition of carbon steel corrosion. BIOFOULING 2025; 41:327-343. [PMID: 40192148 DOI: 10.1080/08927014.2025.2483739] [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: 09/30/2024] [Revised: 03/12/2025] [Accepted: 03/18/2025] [Indexed: 05/14/2025]
Abstract
This study examined the corrosion inhibition mechanisms of extracellular polymeric substances (EPS) from Lactobacillus reuteri, Pseudomonas fluorescens, and Escherichia coli on carbon steel. Using UV spectrophotometry, LC-MS, infrared spectroscopy, and atomic force microscopy (AFM), it was apparent that all three EPS effectively inhibited corrosion, with optimal concentrations of 300 mg/L for Lactobacillus reuteri and 400 mg/L for the other species, yielding inhibition efficiencies of 28.25%, 23.87%, and 21.72%, respectively. The carboxyl group content was critical, with Lactobacillus reuteri EPS having the highest proportion. Functional group analysis showed it contained 12.39% and 12.93% more carboxyl groups than those from Pseudomonas fluorescens and Escherichia coli. Iron ion adsorption was primarily physical and occurred in a monolayer, with a greater capacity for Fe³+ than Fe2+, peaking at 600 mg/L.
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Affiliation(s)
- Ping Xu
- Key Laboratory of Urban Storm water System and Water Environment, Ministry of Education, National Demonstration Center for Experimental Water Environment Education, Beijing University of Civil Engineering and Architecture, Beijing, China
| | - Xinyue Chen
- Key Laboratory of Urban Storm water System and Water Environment, Ministry of Education, National Demonstration Center for Experimental Water Environment Education, Beijing University of Civil Engineering and Architecture, Beijing, China
| | - Weijin Xi
- Key Laboratory of Urban Storm water System and Water Environment, Ministry of Education, National Demonstration Center for Experimental Water Environment Education, Beijing University of Civil Engineering and Architecture, Beijing, China
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6
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Wu J, Zhuang X, Zhang W, Wang Y. Collaborative or competitive interactions between bacteria and methanogens on the biocorrosion of Q235A steel. ENVIRONMENTAL RESEARCH 2025; 268:120826. [PMID: 39798659 DOI: 10.1016/j.envres.2025.120826] [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: 10/18/2024] [Revised: 01/08/2025] [Accepted: 01/09/2025] [Indexed: 01/15/2025]
Abstract
Bio-corrosion of Fe (0) metals in the actual environments results from the combined action of multiple microbes rather than the single action of one type of microbe. Nevertheless, the interspecies interactions between the corrosive microorganism and co-existing microbes, as well as their effects on the bio-corrosion of Fe (0) metals, remain unclear, especially for the interspecies interactions between methanogens and co-existed bacteria in microbiota in the absence of sulfate. Herein, the interspecies interactions between methanogens and co-existed bacteria in three different kinds of methanogenic microbiota (Methanothrix, Methanospirillum, or Methanobacterium dominant) and their effects on methanogens-influenced corrosion of Q235A steel were investigated. The initial results showed that competitive interactions existed between Methanothrix/Methanospirllum and fermentative acetogenic bacteria (Clostridiaceae_1, Family_XI, Peptostreptococcaceae, Pirllulaceae, and Tannerellaceae), while collaborative interactions existed between Methanobacterium and acetate-oxidizing bacteria (Synergistaceae and Spirochaetaceae). Further analysis demonstrated that the competitive interactions obstructed the attachment of Methanothrix/Methanospirllum and promoted the formation of dense corrosion products layer on the steel surface, thereby inhibiting Methanothrix/Methanospirllum-influenced corrosion. Contrarily, the collaborative interactions promoted the attachment of Methanobacterium and the formation of porous and loose corrosion products layer on the steel surface, thereby promoting Methanobacterium-influenced corrosion. Ultimately, the corrosion rate of steel induced by the Methanobacterium dominant microbiota (0.216 ± 0.042 mm/y) was much higher than by the Methanothrix/Methanospirllum dominant microbiota (0.009-0.046 mm/y). This work provided new insights into the understanding of the effects of co-existed bacteria on the corrosion of Fe (0) metals induced by methanogens in microbiota.
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Affiliation(s)
- Jianping Wu
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, China
| | - Xiao Zhuang
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, China
| | - Weidong Zhang
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, China
| | - Yuanpeng Wang
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, China.
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7
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Zeng Z, He D, Zhao Z, He T, Li Q, Wang Y. A point mutation in a wspF-like gene in Pseudoalteromonas lipolytica enhances the anticorrosion activity. Appl Environ Microbiol 2025; 91:e0215424. [PMID: 39873505 PMCID: PMC11837571 DOI: 10.1128/aem.02154-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2024] [Accepted: 12/18/2024] [Indexed: 01/30/2025] Open
Abstract
The protection of steel based on microbial biomineralization has emerged as a novel and eco-friendly strategy for corrosion control. However, the molecular basis of the biomineralization process in mineralization bacteria remains largely unexplored. We previously reported that Pseudoalteromonas lipolytica EPS+ strain provides protection against steel corrosion by forming a hybrid biomineralization film. In this study, we identified that a point mutation in the AT00_08765 (wspF-like) gene, responsible for encoding a chemotaxis protein that regulates swimming motility and polysaccharide production, is linked to the observed anticorrosion activity in EPS+ strain. The engineered point mutation mutant strain, designated Δ08765(707A), exhibited similar phenotypes to the EPS+ strain, including colony morphology and cellulose production. Importantly, we demonstrated that moderate swimming motility in Δ08765(707A) plays a pivotal role in the development of a protective mineralization film on the steel surface. Additionally, we found that Δ08765(707A) enhances biofilm formation by rapidly forming small aggregates in the initial stage of biofilm growth. This process facilitated the assembly of more compact and larger mineralization products, effectively inhibiting steel corrosion. In addition, Δ08765(707A) formed a uniform mineralization film that completely covered the steel surface, preventing the formation of sheet-like steel corrosion products. Therefore, this study demonstrates that an engineering strain carrying a point mutation in the AT00_08765 gene can significantly enhance the anticorrosion activity. This enhancement is accomplished through the formation of small bacteria-induced aggregates, followed by the development of larger mineralization products and the creation of a uniform organic-inorganic hybrid film.IMPORTANCEIn this study, we revealed that moderate swimming motility significantly influences the anticorrosion activity of marine Pseudoalteromonas. Furthermore, our study demonstrated that overproduction of cellulose facilitates cell aggregation rapidly during the initial stages of biofilm formation, thereby promoting the development of larger mineralization products and the formation of a uniform organic-inorganic hybrid film on the steel surface. Our findings provide new insights into the biomineralization mechanisms in Pseudoalteromonas lipolytica, potentially catalyzing the advancement of an eco-friendly microbial-driven approach to marine corrosion prevention.
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Affiliation(s)
- Zhenshun Zeng
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, China
| | - Dan He
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, China
| | - Zhiying Zhao
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Tianci He
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, China
| | - Qian Li
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, China
| | - Yuqi Wang
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, China
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Wu J, Zhuang X, Zhao R, Wang Y. Insights into the biocorrosion of Q235A steel influenced by the electron transfer process between iron and methanogenic microbiota. ENVIRONMENTAL RESEARCH 2024; 261:119765. [PMID: 39134113 DOI: 10.1016/j.envres.2024.119765] [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: 06/27/2024] [Revised: 08/01/2024] [Accepted: 08/07/2024] [Indexed: 08/15/2024]
Abstract
Anaerobic microbiologically influenced corrosion (MIC) of Fe (0) metals causes great harm to the environment and economy, which depends on the key electron transfer process between anaerobic microorganisms and Fe (0) metals. However, the key electron transfer process in microbiota dominating MIC remains unclear, especially for methanogenic microbiota wildly distributed in the environment. Herein, three different methanogenic microbiota (Methanothrix, Methanospirillum, and Methanobacterium) were acclimated to systematically investigate electron transfer pathways on corroding Q235A steel coupons. Results indicated that microbiota dominated by Methanothrix, Methanospirillum, or Methanobacterium accelerated the steel corrosion mainly through direct electron transfer (DET) pathway, H2 mediated electron transfer (HMET) pathway, and combined DET and HMET pathways, respectively. Compared with Methanospirillum dominant microbiota, Methanothrix or Methanobacterium dominant microbiota caused more methane production, higher weight loss, corrosion pits with larger areas, higher corrosion depth, and smaller corrosion pits density. Such results reflected that the DET process between microbiota and Fe (0) metals decided the biocorrosion degree and behavior of Fe (0) metals. This study insightfully elucidates the mechanisms of methanogenic microbiota on corroding steels, in turn providing new insights for anti-corrosion motives.
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Affiliation(s)
- Jianping Wu
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, China
| | - Xiao Zhuang
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, China
| | - Ruixiang Zhao
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, China
| | - Yuanpeng Wang
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, China.
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9
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Lu S, Zhu H, Xue N, Chen S, Liu G, Dou W. Acceleration mechanism of riboflavin on Fe 0-to-microbe electron transfer in corrosion of EH36 steel by Pseudomonas aeruginosa. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 939:173613. [PMID: 38815822 DOI: 10.1016/j.scitotenv.2024.173613] [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: 03/05/2024] [Revised: 05/07/2024] [Accepted: 05/27/2024] [Indexed: 06/01/2024]
Abstract
Riboflavin (RF), as a common electron mediator that can accelerate extracellular electron transfer (EET), is usually used as a probe to confirm EET-microbiologically influenced corrosion (MIC). However, the acceleration mechanism of RF on EET-MIC is still unclear, especially the effect on gene expression in bacteria. In this study, a 13-mer antimicrobial peptide E6 and tetrakis hydroxymethyl phosphonium sulfate (THPS) were used as new tools to investigate the acceleration mechanism of RF on Fe0-to-microbe EET in corrosion of EH36 steel caused by Pseudomonas aeruginosa. 60 min after 20 ppm (v/v) THPS and 20 ppm THPS & 100 nM E6 were injected into P. aeruginosa 1 and P. aeruginosa 2 (two glass bottles containing P. aeruginosa with different treatments) at the 3-d incubation, respectively, P. aeruginosa 1 and P. aeruginosa 2 had a similar planktonic cell count, whereas the sessile cell count in P. aeruginosa 1 was 1.3 log higher than that in P. aeruginosa 2. After the 3-d pre-growth and subsequent 7-d incubation, the addition of 20 ppm (w/w) RF increased the weight loss and maximum pit depth of EH36 steel in P. aeruginosa 1 by 0.7 mg cm-2 and 4.1 μm, respectively, while only increasing those in P. aeruginosa 2 by 0.4 mg cm-2 and 1.7 μm, respectively. This suggests that RF can be utilized by P. aeruginosa biofilms since the corrosion rate should be elevated by the same value if it only acts on the planktonic cells. Furthermore, the EET capacity of P. aeruginosa biofilm was enhanced by RF because the protein expression of cytochrome c (Cyt c) gene in sessile cells was significantly increased in the presence of RF, which accelerated EET-MIC by P. aeruginosa against EH36 steel.
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Affiliation(s)
- Shihang Lu
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Haixia Zhu
- Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250100, China
| | - Nianting Xue
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Shiqiang Chen
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Guangzhou Liu
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China.
| | - Wenwen Dou
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China.
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10
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Gong Y, Zhao X, Yan X, Zheng W, Chen H, Wang L. Gold nanoclusters cure implant infections by targeting biofilm. J Colloid Interface Sci 2024; 674:490-499. [PMID: 38943910 DOI: 10.1016/j.jcis.2024.06.172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 06/14/2024] [Accepted: 06/23/2024] [Indexed: 07/01/2024]
Abstract
The biofilm-mediated implant infections pose a huge threat to human health. It is urgent to explore strategies to reverse this situation. Herein, we design 3-amino-1,2,4-triazole-5-thiol (ATT)-modified gold nanoclusters (AGNCs) to realize biofilm-targeting and near-infrared (NIR)-II light-responsive antibiofilm therapy. The AGNCs can interact with the bacterial extracellular DNA through the formation of hydrogen bonds between the amine groups on the ATT and the hydroxyl groups on the DNA. The AGNCs show photothermal properties even at a low power density (0.5 W/cm2) for a short-time (5 min) irradiation, making them highly effective in eradicating the biofilm with a dispersion rate up to 90 %. In vivo infected catheter implantation model demonstrates an exceptional high ability of the AGNCs to eradicate approximately 90 % of the bacteria encased within the biofilms. Moreover, the AGNCs show no detectable toxicity or systemic effects in mice. Our study suggests the great potential of the AGNCs for long-term prevention and elimination of the biofilm-mediated infections.
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Affiliation(s)
- Youhuan Gong
- Cancer Research Center, Jiangxi University of Chinese Medicine, No. 1688 Meiling Avenue, Xinjian District, Nanchang, Jiangxi 330004, PR China
| | - Xueying Zhao
- Department of Blood Transfusion, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250033, Shandong, PR China
| | - XiaoJie Yan
- Cancer Research Center, Jiangxi University of Chinese Medicine, No. 1688 Meiling Avenue, Xinjian District, Nanchang, Jiangxi 330004, PR China
| | - Wenfu Zheng
- CAS Key Lab for Biological Effects of Nanomaterials and Nanosafety, National Center for NanoScience and Technology, No. 11 Zhongguancun Beiyitiao, Haidian District, Beijing 100190, PR China; School of Nanoscience and Engineering, University of Chinese Academy of Sciences, 19A Yuquan Road, Shijingshan District, Beijing 100049, PR China.
| | - Huanwen Chen
- Cancer Research Center, Jiangxi University of Chinese Medicine, No. 1688 Meiling Avenue, Xinjian District, Nanchang, Jiangxi 330004, PR China; The Jiangxi Province Key Laboratory for Diagnosis, Treatment, and Rehabilitation of Cancer in Chinese Medicine, No. 1688 Meiling Avenue, Xinjian District, Nanchang, Jiangxi 330004, PR China.
| | - Le Wang
- Cancer Research Center, Jiangxi University of Chinese Medicine, No. 1688 Meiling Avenue, Xinjian District, Nanchang, Jiangxi 330004, PR China; The Jiangxi Province Key Laboratory for Diagnosis, Treatment, and Rehabilitation of Cancer in Chinese Medicine, No. 1688 Meiling Avenue, Xinjian District, Nanchang, Jiangxi 330004, PR China.
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11
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Philipp LA, Bühler K, Ulber R, Gescher J. Beneficial applications of biofilms. Nat Rev Microbiol 2024; 22:276-290. [PMID: 37957398 DOI: 10.1038/s41579-023-00985-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/05/2023] [Indexed: 11/15/2023]
Abstract
Many microorganisms live in the form of a biofilm. Although they are feared in the medical sector, biofilms that are composed of non-pathogenic organisms can be highly beneficial in many applications, including the production of bulk and fine chemicals. Biofilm systems are natural retentostats in which the biocatalysts can adapt and optimize their metabolism to different conditions over time. The adherent nature of biofilms allows them to be used in continuous systems in which the hydraulic retention time is much shorter than the doubling time of the biocatalysts. Moreover, the resilience of organisms growing in biofilms, together with the potential of uncoupling growth from catalytic activity, offers a wide range of opportunities. The ability to work with continuous systems using a potentially self-advancing whole-cell biocatalyst is attracting interest from a range of disciplines, from applied microbiology to materials science and from bioengineering to process engineering. The field of beneficial biofilms is rapidly evolving, with an increasing number of applications being explored, and the surge in demand for sustainable and biobased solutions and processes is accelerating advances in the field. This Review provides an overview of the research topics, challenges, applications and future directions in beneficial and applied biofilm research.
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Affiliation(s)
- Laura-Alina Philipp
- Hamburg University of Technology, Institute of Technical Microbiology, Hamburg, Germany
| | - Katja Bühler
- Department of Environmental Microbiology, Helmholtz-Centre for Environmental Research, Leipzig, Germany
| | - Roland Ulber
- RPTU Kaiserslautern-Landau, Institute of Bioprocess Engineering, Kaiserslautern, Germany
| | - Johannes Gescher
- Hamburg University of Technology, Institute of Technical Microbiology, Hamburg, Germany.
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12
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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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13
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Mallick S, Das S. Treatment of low-pH rubber wastewater using ureolytic bacteria and the production of calcium carbonate precipitate for soil stabilization. CHEMOSPHERE 2024; 356:141913. [PMID: 38582164 DOI: 10.1016/j.chemosphere.2024.141913] [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: 07/04/2023] [Revised: 03/22/2024] [Accepted: 04/04/2024] [Indexed: 04/08/2024]
Abstract
Rubber wastewater contains variable low pH with a high load of nutrients such as nitrogen, phosphorous, suspended solids, high biological oxygen demand (BOD), and chemical oxygen demand (COD). Ureolytic and biofilm-forming bacterial strains Bacillus sp. OS26, Bacillus cereus OS36, Lysinibacillus macroides ST13, and Burkholderia multivorans DF12 were isolated from rubber processing centres showed high urease activity. Microscopic analyses evaluated the structural organization of biofilm. Extracellular polymeric substances (EPS) matrix of the biofilm of the strains showed the higher abundance of polysaccharides and lipids which help in the attachment and absorption of nutrients. The functional groups of polysaccharides, proteins, and lipids present in EPS were revealed by ATR-FTIR and 1H NMR. A consortium composed of B. cereus OS36, L. macroides ST13, and B. multivorans DF12 showed the highest biofilm formation, and efficiently reduced 62% NH3, 72% total nitrogen, and 66% PO43-. This consortium also reduced 76% BOD, 61% COD, and 68% TDS. After bioremediation, the pH of the remediated wastewater increased to 11.19. To reduce the alkalinity of discharged wastewater, CaCl2 and urea were added for calcite reaction. The highest CaCO3 precipitate was obtained at 24.6 mM of CaCl2, 2% urea, and 0.0852 mM of nickel (Ni2+) as a co-factor which reduced the pH to 7.4. The elemental composition of CaCO3 precipitate was analyzed by SEM-EDX. XRD analysis of the bacterially-induced precipitate revealed a crystallinity index of 0.66. The resulting CaCO3 precipitate was used as soil stabilizer. The precipitate filled the void spaces of the treated soil, reduced the permeability by 80 times, and increased the compression by 8.56 times than untreated soil. Thus, CaCO3 precipitated by ureolytic and biofilm-forming bacterial consortium through ureolysis can be considered a promising approach for neutralization of rubber wastewater and soil stabilization.
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Affiliation(s)
- Souradip Mallick
- Laboratory of Environmental Microbiology and Ecology (LEnME), Department of Life Science, National Institute of Technology, Rourkela, 769 008, Odisha, India
| | - Surajit Das
- Laboratory of Environmental Microbiology and Ecology (LEnME), Department of Life Science, National Institute of Technology, Rourkela, 769 008, Odisha, India.
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14
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Diaz-Mateus MA, Machuca LL, Farhat H, Salgar-Chaparro SJ. Synergistic corrosion effects of magnetite and microorganisms: microbial community dependency. Appl Microbiol Biotechnol 2024; 108:253. [PMID: 38441693 PMCID: PMC10914896 DOI: 10.1007/s00253-024-13086-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/18/2024] [Accepted: 02/20/2024] [Indexed: 03/07/2024]
Abstract
The synergistic corrosion effect of acid-producing bacteria (APB) and magnetite on carbon steel corrosion was assessed using two different microbial consortia. A synergistic corrosion effect was observed exclusively with Consortium 2, which was composed of Enterobacter sp., Pseudomonas sp., and Tepidibacillus sp. When Consortium 2 was accompanied by magnetite, uniform corrosion and pitting rates were one-time higher (0.094 mm/year and 0.777 mm/year, respectively) than the sum of the individual corrosion rates promoted by the consortium and deposit separately (0.084 and 0.648 mm/year, respectively). The synergistic corrosion effect observed exclusively with Consortium 2 is attributed to its microbial community structure. Consortium 2 exhibited higher microbial diversity that benefited the metabolic status of the community. Although both consortia induced acidification of the test solution and metal surface through glucose fermentation, heightened activity levels of Consortium 2, along with increased surface roughness caused by magnetite, contributed to the distinct synergistic corrosion effect observed with Consortium 2 and magnetite. KEY POINTS: • APB and magnetite have a synergistic corrosion effect on carbon steel. • The microbial composition of APB consortia drives the synergistic corrosion effect. • Magnetite increases carbon steel surface roughness.
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Affiliation(s)
- Maria A Diaz-Mateus
- Curtin Corrosion Centre, WA School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Bentley, WA, Australia
| | - Laura L Machuca
- WA School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Bentley, WA, Australia
| | - Hanan Farhat
- Qatar Environment & Energy Research Institute (QEERI), Doha, Qatar
| | - Silvia J Salgar-Chaparro
- Curtin Corrosion Centre, WA School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Bentley, WA, Australia.
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15
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Tamilselvi B, Bhuvaneshwari DS, Karuppasamy P, Padmavathy S, Nikhil S, Siddegowda SB, Ananda Murthy HC. Investigation of Corrosion Inhibition of Mild Steel in 0.5 M H 2SO 4 with Lachancea fermentati Inhibitor Extracted from Rotten Grapefruits ( Vitis vinifera): Adsorption, Thermodynamic, Electrochemical, and Quantum Chemical Studies. ACS PHYSICAL CHEMISTRY AU 2024; 4:67-84. [PMID: 38283783 PMCID: PMC10811774 DOI: 10.1021/acsphyschemau.3c00055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 10/24/2023] [Accepted: 10/24/2023] [Indexed: 01/30/2024]
Abstract
Corrosion inhibition of mild steel (MS) was studied using Lachancea fermentati isolate in 0.5 M H2SO4, which was isolated from rotten grapes (Vitis vinifera) via biofilm formation. Biofilm over the MS surface was asserted by employing FT-IR and FE-SEM with EDXS, electrochemical impedance spectroscopy (EIS), AFM, and DFT-ESP techniques. The weight loss experiments and temperature studies supported the physical adsorption behavior of the corrosion inhibitors. The maximum inhibition efficiency (IE) value (90%) was observed at 293 K for 9 × 106 cfu/mL of Lachancea fermentati isolate. The adsorption of Lachancea fermentati isolate on the surface of MS confirms Langmuir's adsorption isotherm model, and the -ΔG values indicate the spontaneous adsorption of inhibitor over the MS surface. Electrochemical studies, such as potentiodynamic polarization (PDP) and EIS were carried out to investigate the charge transfer (CT) reaction of the Lachancea fermentati isolate. Tafel polarization curves reveal that the Lachancea fermentati isolate acts as a mixed type of inhibitor. The Nyquist plots (EIS) indicate the increase in charge transfer resistance (Rct) and decrease of double-layer capacitance (Cdl) values when increasing the concentration of Lachancea fermentati isolate. The spectral studies, such as UV-vis and FT-IR, confirm the formation of a complex between MS and the Lachancea fermentati isolate inhibitor. The formation of biofilm on the MS surface was confirmed by FE-SEM, EDXS, and XPS analysis. The proposed bioinhibitor shows great potential for the corrosion inhibition of mild steel in acid media.
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Affiliation(s)
- Baluchamy Tamilselvi
- Department
of Chemistry, Thiagarajar College, Madurai 625009, Tamil Nadu, India
- Department
of Chemistry, K.L.N. College of Engineering, Pottapalaiyam 630612, Tamil Nadu, India
| | | | | | - Sethuramasamy Padmavathy
- Department
of Microbiology and Biotechnology, Thiagarajar
College, Madurai 625009, Tamil Nadu, India
| | - Santhosh Nikhil
- School
of Chemistry, Madurai Kamaraj University, Madurai 625009, Tamil Nadu, India
| | | | - H C Ananda Murthy
- Department
of Applied Chemistry, School of Applied Natural Science, Adama Science and Technology University, P.O. Box 1888 Adama, Ethiopia
- Department
of Prosthodontics, Saveetha Dental College & Hospital, Saveetha Institute of Medical and Technical Science
(SIMATS), Saveetha University, Chennai 600077, Tamil
Nadu, India
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16
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Lu S, Chen S, Dou W, Sun J, Wang Y, Fu M, Chu W, Liu G. Mitigation of EH36 ship steel biocorrosion using an antimicrobial peptide as a green biocide enhancer. Bioelectrochemistry 2023; 154:108526. [PMID: 37523801 DOI: 10.1016/j.bioelechem.2023.108526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/03/2023] [Accepted: 07/20/2023] [Indexed: 08/02/2023]
Abstract
In this study, a 13-mer antimicrobial peptide (RRWRIVVIRVRRC) named by E6 was used as an enhancer of a green biocide to mitigate the biocorrosion of EH36 ship steel. Results show that a low concentration of E6 (100 nM) alone was no-biocidal and could not resist the Desulfovibrio vulgaris adhesion on the EH36 steel surface. However, E6 enhanced the bactericidal effect of tetrakis hydroxymethyl phosphonium sulfate (THPS). When E6 and THPS were both added to the bacteria and steel system, both the sessile D. vulgaris cells and biocorrosion rate of EH36 steel decreased significantly. Compared with the 80 ppm THPS alone treatment, the combination of 100 nM E6 + 80 ppm THPS led to an extra 1.6-log reduction in the sessile cell count. Fewer sessile D. vulgaris cells led to a lower extracellular electron transfer (EET) rate, directly resulting in 78% and 83% decreases in weight loss and pit depth of EH36 steel, respectively. E6 saved more than 50% of THPS dosage in this work to achieve a similar biocorrosion mitigation effect on EH36 steel.
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Affiliation(s)
- Shihang Lu
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Shiqiang Chen
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Wenwen Dou
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China.
| | - Jiahao Sun
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Ye Wang
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Mengyu Fu
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Wangchao Chu
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Guangzhou Liu
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong 266237, China.
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17
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Zhou J, Li H, Gong S, Wang S, Yuan X, Song C. d-tyrosine enhances disoctyl dimethyl ammonium chloride on alleviating SRB corrosion. Heliyon 2023; 9:e21755. [PMID: 38027556 PMCID: PMC10643259 DOI: 10.1016/j.heliyon.2023.e21755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 09/27/2023] [Accepted: 10/27/2023] [Indexed: 12/01/2023] Open
Abstract
Microbiologically influenced corrosion (MIC) caused by sulfate reducing bacteria (SRB) is a serious challenge in many industries, but biofilm greatly decreases the toxicity of bactericides to cell inside. d-amino acids are potential enhancers for bactericides due to their excellent performance on biofilm inhibition. However, the mechanism of d-amino acid cooperating with bactericides for MIC inhibition is still unknown. In this study, d-tyrosine(D-Tyr)and disoctyl dimethyl ammonium chloride (DDAC) were selected as the typical d-amino acid and bactericide, respectively, to evaluate their synergetic inhibition on the corrosion caused by Desulfovibrio vulgaris. D-Tyr obviously enhanced the role of DDAC in inhibiting corrosion with high corrosion inhibition efficiency at 77.23 %. The attachment of EPS and live cells on the coupon surface decreased in the presence of D-Try, leading to more cells directly exposed to DDAC. Besides, D-Try decreased the amount of live cells on the surface and thus reduced the utilization of Fe by SRB and corrosion current. Moreover, dead cells settling to the coupon surface may form a protective lay to retard the contact between live SRB and Fe, leading to slow cathode reaction and less corrosion. Therefore, D-Tyr can reduce the coverage of biofilm, thereby reducing its protective effect on SRB and achieving better corrosion inhibition effect. This work provides a new strategy for improving bactericides and inhibiting MIC.
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Affiliation(s)
- Jingyi Zhou
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong, 266237, China
| | - Hongyi Li
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong, 266237, China
| | - Shichu Gong
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong, 266237, China
| | - Shuguang Wang
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong, 266237, China
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong, 266237, China
- Sino-French Research Institute for Ecology and Environment (ISFREE), School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong, 266237, China
- WeiHai Research Institute of Industrial Technology of Shandong University, Weihai, 264209, China
| | - Xianzheng Yuan
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong, 266237, China
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong, 266237, China
| | - Chao Song
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong, 266237, China
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong, 266237, China
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18
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Wang D, Zhou E, Xu D, Lovley DR. Burning question: Are there sustainable strategies to prevent microbial metal corrosion? Microb Biotechnol 2023; 16:2026-2035. [PMID: 37796110 PMCID: PMC10616648 DOI: 10.1111/1751-7915.14347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 09/18/2023] [Indexed: 10/06/2023] Open
Abstract
The global economic burden of microbial corrosion of metals is enormous. Microbial corrosion of iron-containing metals is most extensive under anaerobic conditions. Microbes form biofilms on metal surfaces and can directly extract electrons derived from the oxidation of Fe0 to Fe2+ to support anaerobic respiration. H2 generated from abiotic Fe0 oxidation also serves as an electron donor for anaerobic respiratory microbes. Microbial metabolites accelerate this abiotic Fe0 oxidation. Traditional strategies for curbing microbial metal corrosion include cathodic protection, scrapping, a diversity of biocides, alloys that form protective layers or release toxic metal ions, and polymer coatings. However, these approaches are typically expensive and/or of limited applicability and not environmentally friendly. Biotechnology may provide more effective and sustainable solutions. Biocides produced with microbes can be less toxic to eukaryotes, expanding the environments for potential application. Microbially produced surfactants can diminish biofilm formation by corrosive microbes, as can quorum-sensing inhibitors. Amendments of phages or predatory bacteria have been successful in attacking corrosive microbes in laboratory studies. Poorly corrosive microbes can form biofilms and/or deposit extracellular polysaccharides and minerals that protect the metal surface from corrosive microbes and their metabolites. Nitrate amendments permit nitrate reducers to outcompete highly corrosive sulphate-reducing microbes, reducing corrosion. Investigation of all these more sustainable corrosion mitigation strategies is in its infancy. More study, especially under environmentally relevant conditions, including diverse microbial communities, is warranted.
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Affiliation(s)
- Di Wang
- Electrobiomaterials Institute, Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education)Northeastern UniversityShenyangChina
- Shenyang National Laboratory for Materials ScienceNortheastern UniversityShenyangChina
| | - Enze Zhou
- Electrobiomaterials Institute, Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education)Northeastern UniversityShenyangChina
- Shenyang National Laboratory for Materials ScienceNortheastern UniversityShenyangChina
| | - Dake Xu
- Electrobiomaterials Institute, Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education)Northeastern UniversityShenyangChina
- Shenyang National Laboratory for Materials ScienceNortheastern UniversityShenyangChina
| | - Derek R. Lovley
- Electrobiomaterials Institute, Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education)Northeastern UniversityShenyangChina
- Department of MicrobiologyUniversity of MassachusettsAmherstMassachusettsUSA
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19
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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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20
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Lu S, He Y, Xu R, Wang N, Chen S, Dou W, Cheng X, Liu G. Inhibition of microbial extracellular electron transfer corrosion of marine structural steel with multiple alloy elements. Bioelectrochemistry 2023; 151:108377. [PMID: 36731176 DOI: 10.1016/j.bioelechem.2023.108377] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 01/17/2023] [Accepted: 01/20/2023] [Indexed: 01/31/2023]
Abstract
The microbial corrosion of marine structural steels (09CrCuSb low alloy steel (LAS) and Q235 carbon steel (CS)) in Desulfovibrio vulgaris medium and Pseudomonas aeruginosa medium based on seawater was investigated. In the D. vulgaris medium, the weight loss and maximum pit depth of 09CrCuSb LAS were 0.59 and 0.56 times as much as those of Q235 CS, respectively. Meanwhile, in the P. aeruginosa medium, the values were 0.53 and 0.67 times, respectively. Compared to Q235 CS, 09CrCuSb LAS contains more alloy elements (Cr, Ni, Cu, Al and Sb), which led to obvious inhibition of sessile bacteria growth but had no effect on planktonic bacteria. The number of live sessile cells on the 09CrCuSb LAS surface was 23.4 % and 26.9 % of that on the Q235 CS surface in the D. vulgaris medium and P. aeruginosa medium, respectively. Fewer sessile cells on the steel surface led to a lower extracellular electron transfer (EET) rate so that less corrosion occurred. In addition, the combined effect of alloying elements on grain refinement and passive film formation also improved the anti-corrosion property of the steels.
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Affiliation(s)
- Shihang Lu
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong, 266237, China
| | - Yi He
- Ansteel Beijing Research Institute LTD, Beijing 102211, China; State Key Laboratory of Metal Material for Marine Equipment and Application, Anshan, Liaoning 114009, China
| | - Rongchang Xu
- Research Institute of Shandong Iron & Steel Group Co, Ltd, Jinan, Shandong 250101, China
| | - Nianxin Wang
- Research Institute of Shandong Iron & Steel Group Co, Ltd, Jinan, Shandong 250101, China
| | - Shiqiang Chen
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong, 266237, China
| | - Wenwen Dou
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong, 266237, China.
| | - Xin Cheng
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong, 266237, China
| | - Guangzhou Liu
- Institute of Marine Science and Technology, Shandong University, Qingdao, Shandong, 266237, China.
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21
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When material science meets microbial ecology: Bacterial community selection on stainless steels in natural seawater. Colloids Surf B Biointerfaces 2023; 221:112955. [DOI: 10.1016/j.colsurfb.2022.112955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 10/01/2022] [Accepted: 10/18/2022] [Indexed: 11/06/2022]
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22
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Wang Y, Yang Z, Hu H, Wu J, Finšgar M. Indolizine quaternary ammonium salt inhibitors: The inhibition and anti-corrosion mechanism of new dimer derivatives from ethyl acetate quinolinium bromide and n-butyl quinolinium bromide. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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23
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Jarisz TA, Hennecker CD, Hore DK. Ion Depletion in the Interfacial Microenvironment from Cell-Surface Interactions. J Am Chem Soc 2022; 144:11986-11990. [PMID: 35758883 DOI: 10.1021/jacs.2c05340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The nanoscale region immediately adjacent to surfaces, although challenging to probe, is directly responsible for local chemical and physical interactions between a material and its surroundings. Cell-surface contacts are mediated by a combination of electrostatic and acid-base interactions that alter the local environment over time. In this study, a label-free vibrational probe with a nanometer length scale reveals that the electrostatic potential at a silica surface gradually increases in the presence of bacteria in solution. We illustrate that the cells themselves are not responsible for this effect. Rather, they alter the interfacial chemical environment in a manner that is consistent with a reduction of the ionic strength to a level that is roughly four times lower than that of the bulk aqueous phase.
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Affiliation(s)
- Tasha A Jarisz
- Department of Chemistry, University of Victoria, Victoria, British Columbia V8W 3V6, Canada
| | | | - Dennis K Hore
- Department of Chemistry, University of Victoria, Victoria, British Columbia V8W 3V6, Canada.,Department of Computer Science, University of Victoria, Victoria, British Columbia V8W 3P6, Canada
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Extracellular Polymeric Substances and Biocorrosion/Biofouling: Recent Advances and Future Perspectives. Int J Mol Sci 2022; 23:ijms23105566. [PMID: 35628373 PMCID: PMC9143384 DOI: 10.3390/ijms23105566] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/10/2022] [Accepted: 05/13/2022] [Indexed: 11/17/2022] Open
Abstract
Microbial cells secrete extracellular polymeric substances (EPS) to adhere to material surfaces, if they get in contact with solid materials such as metals. After phase equilibrium, microorganisms can adhere firmly to the metal surfaces causing metal dissolution and corrosion. Attachment and adhesion of microorganisms via EPS increase the possibility and the rate of metal corrosion. Many components of EPS are electrochemical and redox active, making them closely related to metal corrosion. Functional groups in EPS have specific adsorption ability, causing them to play a key role in biocorrosion. This review emphasizes EPS properties related to metal corrosion and protection and the underlying microbially influenced corrosion (MIC) mechanisms. Future perspectives regarding a comprehensive study of MIC mechanisms and green methodologies for corrosion protection are provided.
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25
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Dong Y, Feng D, Song GL, Su P, Zheng D. The effect of a biofilm-forming bacterium Tenacibaculum mesophilum D-6 on the passive film of stainless steel in the marine environment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 815:152909. [PMID: 34998779 DOI: 10.1016/j.scitotenv.2021.152909] [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: 11/09/2021] [Revised: 12/27/2021] [Accepted: 12/31/2021] [Indexed: 06/14/2023]
Abstract
The microbiologically influenced corrosion of 304 stainless steel in the presence of a marine biofilm-forming bacterium Tenacibaculum mesophilum D-6 was systematically investigated by means of electrochemical techniques and surface analyses to reveal the effect of the selective attachment and adsorption of the biofilms on the passivity breakdown of the stainless steel. It was found that the T. mesophilum D-6 was electroactive and could oxidize low valent cations and metal, facilitating the local dissolution of the passive film and the substrate in the film defects, nearly doubling the surface roughness. The biofilms of T. mesophilum D-6 with mucopolysaccharide secreta and chloride ions tended to preferentially adsorb at the defects of the passive film on the steel, yielding non-homogeneous microbial aggregates and local Cl- enrichment there. The adsorption of the bacteria and chloride ions reduced the thickness of passive film by 23.9%, and generate more active sites for pitting corrosion on the passive film and more semiconducting carrier acceptors in the film. The maximum current density of the 304 SS in the presence of T. mesophilum D-6 was over one order of magnitude higher than that in the sterile medium, and the largest pit was deepened 3 times.
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Affiliation(s)
- Yuqiao Dong
- Center for Marine Materials Corrosion and Protection, College of Materials, Xiamen University, Xiamen 361005, China
| | - Danqing Feng
- State-Province Joint Engineering Laboratory of Marine Bioproducts and Technology, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China
| | - Guang-Ling Song
- Center for Marine Materials Corrosion and Protection, College of Materials, Xiamen University, Xiamen 361005, China; Department of Ocean Science and Engineering, Southern University of Science and Technology, China; The University of Queensland, School of Mechanical and Mining Engineering, Division of Materials Engineering, St Lucia, Qld 4072, Australia.
| | - Pei Su
- State-Province Joint Engineering Laboratory of Marine Bioproducts and Technology, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China
| | - Dajiang Zheng
- Center for Marine Materials Corrosion and Protection, College of Materials, Xiamen University, Xiamen 361005, China
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Li Z, Wang X, Wang J, Yuan X, Jiang X, Wang Y, Zhong C, Xu D, Gu T, Wang F. Bacterial biofilms as platforms engineered for diverse applications. Biotechnol Adv 2022; 57:107932. [DOI: 10.1016/j.biotechadv.2022.107932] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 02/22/2022] [Accepted: 02/22/2022] [Indexed: 12/23/2022]
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