1
|
Khandelwal R, Keelka S, Jain N, Jain P, Kumar Sharma M, Kaushik P. Biosorption of arsenic (III) from aqueous solution using calcium alginate immobilized dead biomass of Acinetobacter sp. strain Sp2b. Sci Rep 2024; 14:9972. [PMID: 38693342 PMCID: PMC11063054 DOI: 10.1038/s41598-024-60329-7] [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: 10/05/2023] [Accepted: 04/22/2024] [Indexed: 05/03/2024] Open
Abstract
This study presents a novel biosorbent developed by immobilizing dead Sp2b bacterial biomass into calcium alginate (CASp2b) to efficiently remove arsenic (AsIII) from contaminated water. The bacterium Sp2b was isolated from arsenic-contaminated industrial soil of Punjab, a state in India. The strain was designated Acinetobacter sp. strain Sp2b as per the 16S rDNA sequencing, GenBank accession number -OP010048.The CASp2b was used for the biosorption studies after an initial screening for the biosorption capacity of Sp2b biomass with immobilized biomass in both live and dead states. The optimum biosorption conditions were examined in batch experimentations with contact time, pH, biomass, temperature, and AsIII concentration variables. The maximum biosorption capacity (qmax = 20.1 ± 0.76 mg/g of CA Sp2b) was obtained at pH9, 35 ̊ C, 20 min contact time, and 120 rpm agitation speed. The isotherm, kinetic and thermodynamic modeling of the experimental data favored Freundlich isotherm (R2 = 0.941) and pseudo-2nd-order kinetics (R2 = 0.968) with endothermic nature (ΔH° = 27.42) and high randomness (ΔS° = 58.1).The scanning electron microscopy with energy dispersive X-ray (SEM-EDX) analysis indicated the As surface binding. The reusability study revealed the reasonable usage of beads up to 5 cycles. In conclusion, CASp2b is a promising, efficient, eco-friendly biosorbent for AsIII removal from contaminated water.
Collapse
Affiliation(s)
- Renu Khandelwal
- Centre for Advanced Studies, Department of Zoology, University of Rajasthan, Jaipur, Rajasthan, 302004, India
| | - Sneha Keelka
- Centre for Advanced Studies, Department of Zoology, University of Rajasthan, Jaipur, Rajasthan, 302004, India
| | - Neha Jain
- Centre for Advanced Studies, Department of Zoology, University of Rajasthan, Jaipur, Rajasthan, 302004, India
| | - Prachi Jain
- Centre for Advanced Studies, Department of Zoology, University of Rajasthan, Jaipur, Rajasthan, 302004, India
| | - Mukesh Kumar Sharma
- Department of Zoology, SPC Government College, Ajmer, Rajasthan, 305001, India
| | - Pallavi Kaushik
- Centre for Advanced Studies, Department of Zoology, University of Rajasthan, Jaipur, Rajasthan, 302004, India.
| |
Collapse
|
2
|
Haque F, Diba F, Istiaq A, Siddique MA, Mou TJ, Hossain MA, Sultana M. Novel insights into the co-selection of metal-driven antibiotic resistance in bacteria: a study of arsenic and antibiotic co-exposure. Arch Microbiol 2024; 206:194. [PMID: 38538852 DOI: 10.1007/s00203-024-03873-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 01/21/2024] [Accepted: 01/26/2024] [Indexed: 04/16/2024]
Abstract
The simultaneous development of antibiotic resistance in bacteria due to metal exposure poses a significant threat to the environment and human health. This study explored how exposure to both arsenic and antibiotics affects the ability of an arsenite oxidizer, Achromobacter xylosoxidans CAW4, to transform arsenite and its antibiotic resistance patterns. The bacterium was isolated from arsenic-contaminated groundwater in the Chandpur district of Bangladesh. We determined the minimum inhibitory concentration (MIC) of arsenite, cefotaxime, and tetracycline for A. xylosoxidans CAW4, demonstrating a multidrug resistance (MDR) trait. Following this determination, we aimed to mimic an environment where A. xylosoxidans CAW4 was exposed to both arsenite and antibiotics. We enabled the strain to grow in sub-MIC concentrations of 1 mM arsenite, 40 µg/mL cefotaxime, and 20 µg/mL tetracycline. The expression dynamics of the arsenite oxidase (aioA) gene in the presence or absence of antibiotics were analyzed. The findings indicated that simultaneous exposure to arsenite and antibiotics adversely affected the bacteria's capacity to metabolize arsenic. However, when arsenite was present in antibiotics-containing media, it promoted bacterial growth. The study observed a global downregulation of the aioA gene in arsenic-antibiotic conditions, indicating the possibility of increased susceptibility through co-resistance across the entire bacterial population of the environment. This study interprets that bacterial arsenic-metabolizing ability can rescue the bacteria from antibiotic stress, further disseminating environmental cross-resistance. Therefore, the co-selection of metal-driven antibiotic resistance in bacteria highlights the need for effective measures to address this emerging threat to human health and the environment.
Collapse
Affiliation(s)
- Farhana Haque
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh
- Department of Microbiology, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
| | - Farzana Diba
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh
- Institute of Tissue Banking and Biomaterial Research, Atomic Energy Research Establishment, Savar, Dhaka, 1349, Bangladesh
| | - Arif Istiaq
- Department of Stem Cell Biology, Faculty of Arts and Sciences, Kyushu University, Fukuoka, Japan
| | - Mohammad Anwar Siddique
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh
- Northwestern University Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Taslin Jahan Mou
- Department of Microbiology, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
| | - M Anwar Hossain
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh
- Jashore University of Science and Technology, Jashore, 7408, Bangladesh
| | - Munawar Sultana
- Department of Microbiology, University of Dhaka, Dhaka, 1000, Bangladesh.
| |
Collapse
|
3
|
Biełło KA, Cabello P, Rodríguez-Caballero G, Sáez LP, Luque-Almagro VM, Roldán MD, Olaya-Abril A, Moreno-Vivián C. Proteomic Analysis of Arsenic Resistance during Cyanide Assimilation by Pseudomonas pseudoalcaligenes CECT 5344. Int J Mol Sci 2023; 24:ijms24087232. [PMID: 37108394 PMCID: PMC10138600 DOI: 10.3390/ijms24087232] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/12/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
Wastewater from mining and other industries usually contains arsenic and cyanide, two highly toxic pollutants, thereby creating the need to develop bioremediation strategies. Here, molecular mechanisms triggered by the simultaneous presence of cyanide and arsenite were analyzed by quantitative proteomics, complemented with qRT-PCR analysis and determination of analytes in the cyanide-assimilating bacterium Pseudomonas pseudoalcaligenes CECT 5344. Several proteins encoded by two ars gene clusters and other Ars-related proteins were up-regulated by arsenite, even during cyanide assimilation. Although some proteins encoded by the cio gene cluster responsible for cyanide-insensitive respiration decreased in the presence of arsenite, the nitrilase NitC required for cyanide assimilation was unaffected, thus allowing bacterial growth with cyanide and arsenic. Two complementary As-resistance mechanisms were developed in this bacterium, the extrusion of As(III) and its extracellular sequestration in biofilm, whose synthesis increased in the presence of arsenite, and the formation of organoarsenicals such as arseno-phosphoglycerate and methyl-As. Tetrahydrofolate metabolism was also stimulated by arsenite. In addition, the ArsH2 protein increased in the presence of arsenite or cyanide, suggesting its role in the protection from oxidative stress caused by both toxics. These results could be useful for the development of bioremediation strategies for industrial wastes co-contaminated with cyanide and arsenic.
Collapse
Affiliation(s)
- Karolina A Biełło
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa, Campus de Rabanales, Universidad de Córdoba, 14071 Córdoba, Spain
| | - Purificación Cabello
- Departamento de Botánica, Ecología y Fisiología Vegetal, Edificio Celestino Mutis, Campus de Rabanales, Universidad de Córdoba, 14071 Córdoba, Spain
| | - Gema Rodríguez-Caballero
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa, Campus de Rabanales, Universidad de Córdoba, 14071 Córdoba, Spain
| | - Lara P Sáez
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa, Campus de Rabanales, Universidad de Córdoba, 14071 Córdoba, Spain
| | - Víctor M Luque-Almagro
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa, Campus de Rabanales, Universidad de Córdoba, 14071 Córdoba, Spain
| | - María Dolores Roldán
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa, Campus de Rabanales, Universidad de Córdoba, 14071 Córdoba, Spain
| | - Alfonso Olaya-Abril
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa, Campus de Rabanales, Universidad de Córdoba, 14071 Córdoba, Spain
| | - Conrado Moreno-Vivián
- Departamento de Bioquímica y Biología Molecular, Edificio Severo Ochoa, Campus de Rabanales, Universidad de Córdoba, 14071 Córdoba, Spain
| |
Collapse
|
4
|
Magar LB, Rayamajhee B, Khadka S, Karki G, Thapa A, Yasir M, Thapa S, Panta OP, Sharma S, Poudel P. Detection of Bacillus Species with Arsenic Resistance and Plant Growth Promoting Efficacy from Agricultural Soils of Nepal. SCIENTIFICA 2022; 2022:9675041. [PMID: 35909656 PMCID: PMC9325649 DOI: 10.1155/2022/9675041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 05/22/2022] [Accepted: 06/01/2022] [Indexed: 06/15/2023]
Abstract
Arsenic contamination in soil and water is one of the major environmental problems in multiple countries including Nepal imposing a serious threat to the ecosystem and public health. Many soil bacteria can detoxify arsenic, including genus Bacillus. With an objective to gauge the plant growth-promoting activities of arsenic-resistant Bacillus species, 36 samples (soil, rice, cauliflower, and beans) were collected from the Terai region of Nepal. For selective isolation of Bacillus species, each sample was heated at 80°C for 15 min before the inoculation into nutrient agar (NA). Following the standard protocol, arsenic-resistant Bacillus species were screened using NA supplemented with 100 ppm sodium arsenate and sodium arsenite. Among 158 randomly selected isolates, only five isolates were able to tolerate sodium arsenite concentration up to 600 ppm. Notably, all five isolates were able to produce indole acetic acid (IAA), a plant hormone, and solubilize phosphate. Based on biochemical analysis and 16S rRNA gene sequencing, isolates N4-1, RW, KR7-12, Bhw1-4, and BW2-2 were identified as B. subtilis subsp. stercosis, B. flexus, B. licheniformis, B. cereus, and B. flexus, respectively. To the best of our knowledge, this is the first study showing the presence of arsenic-resistant B. flexus in Nepalese soil with plant growth-promoting traits. Possible utilization of these Bacillus strains could facilitate the novel bioremediation pathway to reduce the toxic effect of arsenic from the soil and water in the Terai region of Nepal.
Collapse
Affiliation(s)
- Lil Budha Magar
- Department of Microbiology, National College, Tribhuvan University, Kathmandu, Nepal
| | - Binod Rayamajhee
- School of Optometry and Vision Science, Faculty of Medicine and Health, UNSW, Sydney, Australia
- Department of Infection and Immunology, Kathmandu Research Institute for Biological Sciences (KRIBS), Lalitpur, Nepal
| | - Sujan Khadka
- Department of Microbiology, Birendra Multiple Campus, Tribhuvan University, Bharatpur, Chitwan, Nepal
| | - Gaurab Karki
- School of Optometry and Vision Science, Faculty of Medicine and Health, UNSW, Sydney, Australia
- Department of Biological Sciences, The University of Toledo, Toledo, Ohio, USA
| | - Alina Thapa
- Department of Microbiology, Balkumari College, Tribhuvan University, Bharatpur, Chitwan, Nepal
| | - Muhammad Yasir
- Department of Infection and Immunology, Kathmandu Research Institute for Biological Sciences (KRIBS), Lalitpur, Nepal
| | - Sandeep Thapa
- Kathmandu Center for Genomics and Research Laboratory (KCGRL), Lalitpur, Nepal
| | - Om Prakash Panta
- Department of Microbiology, National College, Tribhuvan University, Kathmandu, Nepal
| | - Suprina Sharma
- Central Department of Microbiology, Tribhuvan University, Kirtipur, Nepal
| | - Pramod Poudel
- Research Division, University Grants Commission (UGC), Bhaktapur, Nepal
- Central Department of Biotechnology, Tribhuvan University, Kirtipur, Nepal
| |
Collapse
|
5
|
Bacterial Arsenic Metabolism and Its Role in Arsenic Bioremediation. Curr Microbiol 2022; 79:131. [PMID: 35290506 DOI: 10.1007/s00284-022-02810-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 02/14/2022] [Indexed: 11/03/2022]
Abstract
Arsenic contaminations, often adversely influencing the living organisms, including plants, animals, and the microbial communities, are of grave apprehension. Many physical, chemical, and biological techniques are now being explored to minimize the adverse affects of arsenic toxicity. Bioremediation of arsenic species using arsenic loving bacteria has drawn much attention. Arsenate and arsenite are mostly uptaken by bacteria through aquaglycoporins and phosphate transporters. After entering arsenic inside bacterial cell arsenic get metabolized (e.g., reduction, oxidation, methylation, etc.) into different forms. Arsenite is sequentially methylated into monomethyl arsenic acid (MMA) and dimethyl arsenic acid (DMA), followed by a transformation of less toxic, volatile trimethyl arsenic acid (TMA). Passive remediation techniques, including adsorption, biomineralization, bioaccumulation, bioleaching, and so on are exploited by bacteria. Rhizospheric bacterial association with some specific plants enhances phytoextraction process. Arsenic-resistant rhizospheric bacteria have immense role in enhancement of crop plant growth and development, but their applications are not well studied till date. Emerging techniques like phytosuction separation (PS-S) have a promising future, but still light to be focused on these techniques. Plant-associated bioremediation processes like phytoextraction and phytosuction separation (PS-S) techniques might be modified by treating with potent bacteria for furtherance.
Collapse
|
6
|
Banerjee A, Sarkar S, Gorai S, Kabiraj A, Bandopadhyay R. High arsenic tolerance in Brevundimonas aurantiaca PFAB1 from an arsenic-rich Indian hot spring. ELECTRON J BIOTECHN 2021. [DOI: 10.1016/j.ejbt.2021.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
|
7
|
Anning C, Asare MO, Junxiang W, Yao G, Xianjun L. Effects of physicochemical properties of Au cyanidation tailings on cyanide microbial degradation. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2021; 56:413-433. [PMID: 33593243 DOI: 10.1080/10934529.2021.1885259] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 01/24/2021] [Accepted: 01/27/2021] [Indexed: 05/21/2023]
Abstract
The initial cyanide (CN-) concentration and amount of co-contaminants in GCTs can inhibit bacterial growth and reduce the CN--degrading ability of bacteria. Several microorganisms can biotransform a wide range of organic and inorganic industrial contaminants into nontoxic compounds. However, active enzymatic CN- metabolism processes are mostly constrained by the physical and chemical characteristics of GCTs. High concentrations of toxic metal co-contaminants, such as, Pb, and Cr, and factors, such as pH, temperature, and oxygen concentration create oxidative stress and limit the CN--degrading potential of cyanotrophic strains. The effects of such external and internal factors on the CN--degrading ability of bacteria hinder the selection of suitable microorganisms for CN- biodegradation. Therefore, understanding the effects of the physicochemical properties of GCTs on cyanobacteria strains can help identify suitable microbes and favorable environmental conditions to promote microbial growth and can also help design efficient CN- biodegradation processes. In this review, we present a detailed analysis of the physicochemical properties of GCTs and their effects on microbial CN- degradation.
Collapse
Affiliation(s)
- Cosmos Anning
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao, China
| | - Michael O Asare
- Department of Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences, Prague, Czech Republic
| | - Wang Junxiang
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao, China
| | - Geng Yao
- College of Chemistry, Chemical Engineering and Materials Science, Zaozhuang University, Zaozhuang, China
| | - Lyu Xianjun
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao, China
| |
Collapse
|
8
|
Han YH, Yin DX, Jia MR, Wang SS, Chen Y, Rathinasabapathi B, Chen DL, Ma LQ. Arsenic-resistance mechanisms in bacterium Leclercia adecarboxylata strain As3-1: Biochemical and genomic analyses. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 690:1178-1189. [PMID: 31470481 DOI: 10.1016/j.scitotenv.2019.07.098] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 07/06/2019] [Accepted: 07/07/2019] [Indexed: 06/10/2023]
Abstract
Microbial arsenic transformation is important in As biogeochemical cycles in the environment. In this study, a new As-resistant bacterial strain Leclercia adecarboxylata As3-1 was isolated and its associated mechanisms in As resistance and detoxification were evaluated based on genome sequencing and gene annotations. After subjecting strain As3-1 to medium containing arsenate (AsV), AsV reduction occurred and an AsV-enhanced bacterial growth was observed. Strain As3-1 lacked arsenite (AsIII) oxidation ability and displayed lower AsIII resistance than AsV, probably due to its higher AsIII accumulation. Polymerase chain reaction and phylogenetic analysis showed that strain As3-1 harbored a typical AsV reductase gene (arsC) on the plasmids. Genome sequencing and gene annotations identified four operons phoUpstBACS, arsHRBC, arsCRDABC and ttrRSBCA, with 8 additional genes outside the operons that might have involved in As resistance and detoxification in strain As3-1. These included 5 arsC genes explaining why strain As3-1 tolerated high AsV concentrations. Besides ArsC, TtrB, TtrC and TtrA proteins could also be involved in AsV reduction and consequent energy acquisition for bacterial growth. Our data provided a new example of diverse As-regulating systems and AsV-enhanced growth without ArrA in bacteria. The information helps to understand the role of As in selecting microbial systems that can transform and utilize As.
Collapse
Affiliation(s)
- Yong-He Han
- Quangang Petrochemical Research Institute, Fujian Normal University, Quanzhou, Fujian 362801, China; College of Environmental Science and Engineering, Fujian Normal University, Fuzhou, Fujian 350007, China; Fujian Key Laboratory of Pollution Control and Resource Reuse, Fuzhou 350007, China
| | - Dai-Xia Yin
- School of the Environment, Nanjing University, Nanjing, Jiangsu 210023, China
| | - Meng-Ru Jia
- School of the Environment, Nanjing University, Nanjing, Jiangsu 210023, China
| | - Shan-Shan Wang
- Quangang Petrochemical Research Institute, Fujian Normal University, Quanzhou, Fujian 362801, China
| | - Yanshan Chen
- School of the Environment, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Bala Rathinasabapathi
- Horticultural Sciences Department, University of Florida, Gainesville, FL 32611, United States
| | - Deng-Long Chen
- Quangang Petrochemical Research Institute, Fujian Normal University, Quanzhou, Fujian 362801, China; Innovative Center for Eco-Friendly Polymeric Materials, Quanzhou, Fujian 362801, China.
| | - Lena Q Ma
- College of Environmental Science and Engineering, Fujian Normal University, Fuzhou, Fujian 350007, China; Soil and Water Sciences Department, University of Florida, Gainesville, FL 32611, United States.
| |
Collapse
|
9
|
An endophytic Kocuria palustris strain harboring multiple arsenate reductase genes. Arch Microbiol 2019; 201:1285-1293. [DOI: 10.1007/s00203-019-01692-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 05/13/2019] [Accepted: 06/13/2019] [Indexed: 11/25/2022]
|
10
|
Zhang J, Ma T, Yan Y, Xie X, Abass OK, Liu C, Zhao Z, Wang Z. Effects of Fe-S-As coupled redox processes on arsenic mobilization in shallow aquifers of Datong Basin, northern China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 237:28-38. [PMID: 29466772 DOI: 10.1016/j.envpol.2018.01.092] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 01/09/2018] [Accepted: 01/28/2018] [Indexed: 06/08/2023]
Abstract
High arsenic groundwater generally coexists with elevated Fe2+ concentrations (mg L-1 levels) under reducing conditions, but an explanation for the extremely high arsenic (up to ∼2690) concentrations at very low Fe2+ (i.e., μg L-1 levels) in groundwater of Datong Basin remains elusive. Field groundwater investigation and laboratory microcosm experiments were implemented in this study. The field groundwater was characterized by weakly alkaline (pH 7.69 to 8.34) and reducing conditions (Eh -221.7 to -31.9 mV) and arsenic concentration averages at 697 μg L-1. Acinetobacter (5.9-51.3%), Desulfosporosinus (4.6-30.2%), Brevundimonas (3.9-19%) and Pseudomonas (3.2-14.6%) were identified as the dominant genera in the bacterial communities. Bacterially mediated arsenate reduction, Fe(III) reduction, and sulfate reduction are processes occurring (or having previously occurred) in the groundwater. Results from incubation experiment (27 d) revealed that nitrate, arsenate, and Fe(III)/sulfate reduced sequentially with time under anoxic conditions, while Fe(III) and sulfate reduction processes had no obvious differences, occurring almost simultaneously. Moreover, low Fe2+ concentrations were attributed to initially high pH conditions, which relatively retarded Fe(III) reduction. In addition, arsenic behavior in relation to groundwater redox conditions, matrices, and solution chemistry were elaborated. Bacterial arsenate reduction process proceeded before Fe(III) and sulfate reduction in the incubation experiment, and the total arsenic concentration (dominated by arsenite) gradually increased from ∼7 to 115 μg L-1 as arsenate was reduced. Accordingly, bacterially mediated reductive desorption of arsenate is identified as the main process controlling arsenic mobility, while Fe(III) reduction coupled with sulfate reduction are secondary processes that have also contributed to arsenic enrichment in the study site. Overall, this study provide important insights into the mechanism controlling arsenic mobility under weakly alkaline and reducing conditions, and furnishes that arsenate reduction by bacteria play a major role leading to high accumulation of desorbed arsenite in groundwater.
Collapse
Affiliation(s)
- Junwen Zhang
- School of Environmental Studies, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430071, China; State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550002, China
| | - Teng Ma
- School of Environmental Studies, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430071, China.
| | - Yani Yan
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
| | - Xianjun Xie
- School of Environmental Studies, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430071, China
| | - Olusegun K Abass
- University of Chinese Academy of Sciences, Beijing 100049, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China
| | - Congqiang Liu
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550002, China
| | - Zhiqi Zhao
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550002, China
| | - Zhizhen Wang
- School of Environmental Studies, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430071, China
| |
Collapse
|
11
|
Das J, Sarkar P. Remediation of arsenic in mung bean (Vigna radiata) with growth enhancement by unique arsenic-resistant bacterium Acinetobacter lwoffii. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 624:1106-1118. [PMID: 29625525 DOI: 10.1016/j.scitotenv.2017.12.157] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 12/07/2017] [Accepted: 12/14/2017] [Indexed: 05/10/2023]
Abstract
Arsenic, a carcinogenic and toxic contaminant of soil and water, affects human health adversely. During last few decades, it has been an important global environmental issue. Among several arsenic detoxification methods remediation using arsenic resistant microbes is proved to be environment-friendly and cost-effective. This study aimed to test the effects of arsenic utilizing bacterial strain Acinetobacter lwoffii (RJB-2) on arsenic uptake and growth of mung bean plants (Vigna radiata). RJB-2 exhibited tolerance up to 125mM of arsenic (V) and 50mM of arsenic (III). RJB-2 produced plant growth promoting substances e.g. indole acetic acid (IAA), siderophores, exopolysaccharide (EPS) and phosphate solubilization in the absence and in presence of arsenic. Pot experiments were used to scrutinize the role of RJB-2 on arsenic uptake and growth of mung bean plants grown in soil amended with 22.5mgkg-1 of sodium arsenate (Na2HAsO4·7H2O). RJB-2 could arrest arsenic uptake in just 7days and increase plant growth, number of plants per pot, chlorophyll and carotenoid content of the mung bean plants. RJB-2 formed biofilm and its root-association helped to abate arsenic uptake in mung bean. Confocal and light microscopic studies also revealed the abatement of arsenic uptake and increase in chlorophyll content in mung bean plants in presence of RJB-2. RJB-2 was also responsible for less production of reactive oxygen species (ROS) in mung bean plants reducing the oxidative damage caused by arsenic. The lower percentage of electrolytic leakage (EL) in RJB-2 inoculated mung bean plants proved arsenic abatement. The study also reported the distribution of arsenic in various parts of mung bean plant. RJB-2 owing to its intrinsic abilities of plant growth promotion even in presence of high concentrations of arsenic could inhibit arsenic uptake completely and therefore it could be used in large-scale cultivation for phytostabilization of plants.
Collapse
Affiliation(s)
- Joyati Das
- Biosensor Laboratory, Department of Polymer Science and Technology, University of Calcutta, 92, A.P.C. Road, Kolkata 700009, West Bengal, India
| | - Priyabrata Sarkar
- Biosensor Laboratory, Department of Polymer Science and Technology, University of Calcutta, 92, A.P.C. Road, Kolkata 700009, West Bengal, India; Department of Chemical Engineering, Calcutta Institute of Technology, Banitabla, Kolkata 711316, West Bengal, India.
| |
Collapse
|
12
|
Nguyen VK, Tran HT, Park Y, Yu J, Lee T. Microbial arsenite oxidation with oxygen, nitrate, or an electrode as the sole electron acceptor. ACTA ACUST UNITED AC 2017; 44:857-868. [DOI: 10.1007/s10295-017-1910-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Accepted: 01/29/2017] [Indexed: 10/20/2022]
Abstract
Abstract
The purpose of this study was to identify bacteria that can perform As(III) oxidation for environmental bioremediation. Two bacterial strains, named JHS3 and JHW3, which can autotrophically oxidize As(III)–As(V) with oxygen as an electron acceptor, were isolated from soil and water samples collected in the vicinity of an arsenic-contaminated site. According to 16S ribosomal RNA sequence analysis, both strains belong to the ɤ-Proteobacteria class and share 99% sequence identity with previously described strains. JHS3 appears to be a new strain of the Acinetobacter genus, whereas JHW3 is likely to be a novel strain of the Klebsiella genus. Both strains possess the aioA gene encoding an arsenite oxidase and are capable of chemolithoautotrophic growth in the presence of As(III) up to 10 mM as a primary electron donor. Cell growth and As(III) oxidation rate of both strains were significantly enhanced during cultivation under heterotrophic conditions. Under anaerobic conditions, only strain JHW3 oxidized As(III) using nitrate or a solid-state electrode of a bioelectrochemical system as a terminal electron acceptor. Kinetic studies of As(III) oxidation under aerobic condition demonstrated a higher V max and K m from strain JHW3 than strain JHS3. This study indicated the potential application of strain JHW3 for remediation of subsurface environments contaminated with arsenic.
Collapse
Affiliation(s)
- Van Khanh Nguyen
- 0000 0001 2218 7142 grid.255166.3 Department of Environmental Engineering Dong-a University 49315 Busan Republic of Korea
| | - Huong T Tran
- 0000 0001 0719 8572 grid.262229.f Department of Molecular Biology Pusan National University 46241 Busan Republic of Korea
| | - Younghyun Park
- 0000 0001 0719 8572 grid.262229.f Department of Civil and Environmental Engineering Pusan National University No. 2 Busandaehak-ro 63beon-gil, Geumjeong-gu 46241 Busan Republic of Korea
| | - Jaecheul Yu
- 0000 0001 0719 8572 grid.262229.f Department of Civil and Environmental Engineering Pusan National University No. 2 Busandaehak-ro 63beon-gil, Geumjeong-gu 46241 Busan Republic of Korea
| | - Taeho Lee
- 0000 0001 0719 8572 grid.262229.f Department of Civil and Environmental Engineering Pusan National University No. 2 Busandaehak-ro 63beon-gil, Geumjeong-gu 46241 Busan Republic of Korea
| |
Collapse
|
13
|
Zhang J, Ma T, Feng L, Yan Y, Abass OK, Wang Z, Cai H. Arsenic behavior in different biogeochemical zonations approximately along the groundwater flow path in Datong Basin, northern China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 584-585:458-468. [PMID: 28185734 DOI: 10.1016/j.scitotenv.2017.01.029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 12/30/2016] [Accepted: 01/05/2017] [Indexed: 05/25/2023]
Abstract
Studies have shown that arsenic is desorbed/released into groundwater as a result of bacterial reduction of As(V) and Fe(III). However, bacterial activities like sulfate reduction process can also reduce the content of arsenic in groundwater. In this study, we examined the effects of different biogeochemical processes (e.g. NO3- and SO42- reduction) on arsenic, by investigating the chemical characteristics and bacterial community structure of groundwater in the Datong Basin, northern China. Along the groundwater flow path, arsenic concentration increased from <1 to 947.6μg/L with dominant bacteria change from aerobic (Fluviicola, Rhodococcus) to denitrifying bacteria (Thauera, Gallionella), and then to sulfate reducing bacteria (Desulfosporosinus). According to the groundwater redox sensitive indicators (Eh, NO3-, SO42-/Cl- and Fe2+) concentrations (or ratios), the sampling points were approximately divided into three zones (I, I'' and II). Variation in features of these indicators suggested that the groundwater evolved from a weakly oxidizing environment (Zone I, Eh average 93.3mV, respectively) to strong reducing environment (Zone II, Eh average -101.8mV). In Zone I, bacteria mainly consuming O2 or NO3- were found which inhibits Fe(III) and As(V) reduction reaction, resulting in a low As zone (<1 to 3.3μg/L). However, in Zone II, where O2 and NO3- have been depleted, SO42- reduction appears to be the dominant process, and the Fe(III) and As(V) reduction processes are also occurring and hence, enrichment of As in the groundwater (2.8 to 947.6μg/L, average 285.6μg/L). Besides, bacterial Fe(III) reduction process was retarded due to the weakly alkaline conditions (pH7.60-8.11, average 7.83), but abiotic Fe(III) reduction by HS- may be continued. Therefore, we conclude that the Fe(III) and As(V) reduction processes contributed to arsenic enrichment in the groundwater, and the reductive desorption of arsenate is the main occurring process especially in the weakly alkaline environment. Moreover, NO3- reduction process can significantly restrain the release of arsenic, but the process of SO42- reduction is insignificant for arsenic concentration decline in natural groundwater.
Collapse
Affiliation(s)
- Junwen Zhang
- School of Environmental Studies and State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, 430071 Wuhan, China
| | - Teng Ma
- School of Environmental Studies and State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, 430071 Wuhan, China.
| | - Liang Feng
- School of Environmental Studies and State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, 430071 Wuhan, China
| | - Yani Yan
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
| | - Olusegun K Abass
- School of Environmental Studies and State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, 430071 Wuhan, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhiqiang Wang
- School of Environmental Studies and State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, 430071 Wuhan, China
| | - Huawei Cai
- School of Environmental Studies and State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, 430071 Wuhan, China
| |
Collapse
|
14
|
Sanyal SK, Mou TJ, Chakrabarty RP, Hoque S, Hossain MA, Sultana M. Diversity of arsenite oxidase gene and arsenotrophic bacteria in arsenic affected Bangladesh soils. AMB Express 2016; 6:21. [PMID: 26980601 PMCID: PMC4792827 DOI: 10.1186/s13568-016-0193-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 03/08/2016] [Indexed: 11/10/2022] Open
Abstract
Arsenic (As) contaminated soils are enriched with arsenotrophic bacteria. The present study analyzes the microbiome and arsenotrophic genes-from As affected soil samples of Bhanga, Charvadrason and Sadarpur of Faridpur district in Bangladesh in summer (SFDSL1, 2, 3) and in winter (WFDSL1, 2, 3). Total As content of the soils was within the range of 3.24-17.8 mg/kg as per atomic absorption spectroscopy. The aioA gene, conferring arsenite [As (III)] oxidation, was retrieved from the soil sample, WFDSL-2, reported with As concentration of 4.9 mg/kg. Phylogenetic analysis revealed that the aioA genes of soil WFDSL-2 were distributed among four major phylogenetic lineages comprised of α, β, γ Proteobacteria and Archaea with a dominance of β Proteobacteria (56.67 %). An attempt to enrich As (III) metabolizing bacteria resulted 53 isolates. ARDRA (amplified ribosomal DNA restriction analysis) followed by 16S rRNA gene sequencing of the 53 soil isolates revealed that they belong to six genera; Pseudomonas spp., Bacillus spp., Brevibacillus spp., Delftia spp., Wohlfahrtiimonas spp. and Dietzia spp. From five different genera, isolates Delftia sp. A2i, Pseudomonas sp. A3i, W. chitiniclastica H3f, Dietzia sp. H2f, Bacillus sp. H2k contained arsB gene and showed arsenite tolerance up-to 27 mM. Phenotypic As (III) oxidation potential was also confirmed with the isolates of each genus and isolate Brevibacillus sp. A1a showed significant As (III) transforming potential of 0.2425 mM per hour. The genetic information of bacterial arsenotrophy and arsenite oxidation added scientific information about the possible bioremediation potential of the soil isolates in Bangladesh.
Collapse
|
15
|
Nel L, Strydom NA, Bouwman H. Preliminary assessment of contaminants in the sediment and organisms of the Swartkops Estuary, South Africa. MARINE POLLUTION BULLETIN 2015; 101:878-85. [PMID: 26593278 DOI: 10.1016/j.marpolbul.2015.11.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Revised: 10/28/2015] [Accepted: 11/06/2015] [Indexed: 05/02/2023]
Abstract
Urban estuaries are susceptible to metal and organic pollution, yet most remain understudied in South Africa with respect to the presence, concentrations and distribution of contaminants. Metal and organic chemical concentrations were assessed in sediment and organisms from different trophic levels in the lower reaches of the Swartkops Estuary. Species sampled included Upogebia africana (Malacostraca: Upogebiidae), Gilchristella aestuaria (Clupeidae), Psammogobius knysnaensis (Gobiidae), Mugil cephalus (Mugilidae), Lichia amia (Carangidae), Argyrosomus japonicus (Sciaenidae), Pomadasys commersonnii (Haemulidae) and Larus dominicanus (Avis: Laridae). This study is one of the most comprehensive studies to date assessing pollution levels in a food web in estuaries in South Africa. Due to biomagnification, higher concentrations of Arsenic, Lead, Mercury and Cadmium were found in the juveniles stages of popular angling fishes. High concentrations of Cadmium and Arsenic were recorded in the liver of L. amia, A. japonicus and P. commersonnii which exceed international quality food guidelines. Eggs from the gull, L. dominicanus, showed detectable concentrations of PCBs.
Collapse
Affiliation(s)
- L Nel
- Department of Zoology, Nelson Mandela Metropolitan University, P.O. Box 1600, Port Elizabeth 6000, South Africa
| | - N A Strydom
- Department of Zoology, Nelson Mandela Metropolitan University, P.O. Box 1600, Port Elizabeth 6000, South Africa.
| | - H Bouwman
- Research Unit: Environmental Sciences and Development, North-West University, Potchefstroom, South Africa
| |
Collapse
|
16
|
Corsini A, Colombo M, Muyzer G, Cavalca L. Characterization of the arsenite oxidizer Aliihoeflea sp. strain 2WW and its potential application in the removal of arsenic from groundwater in combination with Pf-ferritin. Antonie van Leeuwenhoek 2015; 108:673-84. [PMID: 26149126 DOI: 10.1007/s10482-015-0523-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Accepted: 06/29/2015] [Indexed: 10/23/2022]
Abstract
A heterotrophic arsenite-oxidizing bacterium, strain 2WW, was isolated from a biofilter treating arsenic-rich groundwater. Comparative analysis of 16S rRNA gene sequences showed that it was closely related (98.7 %) to the alphaproteobacterium Aliihoeflea aesturari strain N8(T). However, it was physiologically different by its ability to grow at relatively low substrate concentrations, low temperatures and by its ability to oxidize arsenite. Here we describe the physiological features of strain 2WW and compare these to its most closely related relative, A. aestuari strain N8(T). In addition, we tested its efficiency to remove arsenic from groundwater in combination with Pf-ferritin. Strain 2WW oxidized arsenite to arsenate between pH 5.0 and 8.0, and from 4 to 30 °C. When the strain was used in combination with a Pf-ferritin-based material for arsenic removal from natural groundwater, the removal efficiency was significantly higher (73 %) than for Pf-ferritin alone (64 %). These results showed that arsenite oxidation by strain 2WW combined with Pf-ferritin-based material has a potential in arsenic removal from contaminated groundwater.
Collapse
Affiliation(s)
- Anna Corsini
- DeFENS - Dipartimento di Scienze per gli Alimenti, la Nutrizione e l'Ambiente, Università degli Studi di Milano, via Celoria 2, 20133, Milan, Italy
| | | | | | | |
Collapse
|
17
|
Das S, Jean JS, Kar S, Chou ML, Chen CY. Screening of plant growth-promoting traits in arsenic-resistant bacteria isolated from agricultural soil and their potential implication for arsenic bioremediation. JOURNAL OF HAZARDOUS MATERIALS 2014; 272:112-120. [PMID: 24685527 DOI: 10.1016/j.jhazmat.2014.03.012] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Revised: 03/05/2014] [Accepted: 03/06/2014] [Indexed: 06/03/2023]
Abstract
Twelve arsenic (As)-resistant bacteria (minimum inhibitory concentration ranging from 10 to 30mM and 150 to 320mM for As(III) and As(V), respectively) were isolated from the agricultural soil of the Chianan Plain in southwestern Taiwan using enrichment techniques. Eight isolates capable of oxidizing As(III) (rate of oxidation from 0.029 to 0.059μMh(-1) 10(-9) cell) and exhibiting As(III)-oxidase enzyme activity belong to Pseudomonas, Acinetobacter, Klebsiella and Comamonas genera, whereas four isolates that did not show As(III)-oxidizing activity belong to Geobacillus, Bacillus, Paenibacillus, and Enterobacter genera. Assessment of the parameters of plant growth promotion revealed that Pseudomonas sp. ASR1, ASR2 and ASR3, Geobacillus sp. ASR4, Bacillus sp. ASR5, Paenibacillus sp. ASR6, Enterobacter sp. ASR10 and Comamonas sp. ASR11, and ASR12 possessed some or all of the studied plant growth-promoting traits, including phosphate-solubilization, siderophore, IAA-like molecules and ACC deaminase production. In addition, the ability of As-resistant isolates to grow over wide ranges of pH and temperatures signify their potential application for sustainable bioremediation of As in the environment.
Collapse
Affiliation(s)
- Suvendu Das
- Department of Earth Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Jiin-Shuh Jean
- Department of Earth Sciences, National Cheng Kung University, Tainan, Taiwan.
| | - Sandeep Kar
- Department of Earth Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Mon-Lin Chou
- Department of Earth Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Chien-Yen Chen
- Department of Earth and Environmental Sciences, National Chung Cheng University, Chiayi County, Taiwan
| |
Collapse
|
18
|
Hamzah A, Wong KK, Hasan FN, Mustafa S, Khoo KS, Sarmani SB. Determination of total arsenic in soil and arsenic-resistant bacteria from selected ground water in Kandal Province, Cambodia. J Radioanal Nucl Chem 2013. [DOI: 10.1007/s10967-012-2388-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
19
|
Tian H, Zhuang G, Ma A, Jing C. Arsenic interception by cell wall of bacteria observed with surface-enhanced Raman scattering. J Microbiol Methods 2012; 89:153-8. [DOI: 10.1016/j.mimet.2012.03.018] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2012] [Revised: 03/19/2012] [Accepted: 03/21/2012] [Indexed: 11/30/2022]
|
20
|
Srivastava S, Verma PC, Singh A, Mishra M, Singh N, Sharma N, Singh N. Isolation and characterization of Staphylococcus sp. strain NBRIEAG-8 from arsenic contaminated site of West Bengal. Appl Microbiol Biotechnol 2012; 95:1275-91. [DOI: 10.1007/s00253-012-3976-5] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2011] [Revised: 01/26/2012] [Accepted: 02/15/2012] [Indexed: 10/28/2022]
|
21
|
Chipirom K, Tanasupawat S, Akaracharanya A, Leepepatpiboon N, Prange A, Kim KW, Chul Lee K, Lee JS. Comamonas terrae sp. nov., an arsenite-oxidizing bacterium isolated from agricultural soil in Thailand. J GEN APPL MICROBIOL 2012; 58:245-51. [DOI: 10.2323/jgam.58.245] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
|