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Varshney S, Bhattacharya A, Gupta A. Halo-alkaliphilic microbes as an effective tool for heavy metal pollution abatement and resource recovery: challenges and future prospects. 3 Biotech 2023; 13:400. [PMID: 37982082 PMCID: PMC10651602 DOI: 10.1007/s13205-023-03807-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 10/10/2023] [Indexed: 11/21/2023] Open
Abstract
The current study presents an overview of heavy metals bioremediation from halo-alkaline conditions by using extremophilic microorganisms. Heavy metal remediation from the extreme environment with high pH and elevated salt concentration is a challenge as mesophilic microorganisms are unable to thrive under these polyextremophilic conditions. Thus, for effective bioremediation of extreme systems, specialized microbes (extremophiles) are projected as potential bioremediating agents, that not only thrive under such extreme conditions but are also capable of remediating heavy metals from these environments. The physiological versatility of extremophiles especially halophiles and alkaliphiles and their enzymes (extremozymes) could conveniently be harnessed to remediate and detoxify heavy metals from the high alkaline saline environment. Bibliometric analysis has shown that research in this direction has found pace in recent years and thus this review is a timely attempt to highlight the importance of halo-alkaliphiles for effective contaminant removal in extreme conditions. Also, this review systematically presents insights on adaptive measures utilized by extremophiles to cope with harsh environments and outlines the role of extremophilic microbes in industrial wastewater treatment and recovery of metals from waste with relevant examples. Further, the major challenges and way forward for the effective applicability of halo-alkaliphilic microbes in heavy metals bioremediation from extremophilic conditions are also highlighted.
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Affiliation(s)
- Shipra Varshney
- University School of Environment Management, Guru Gobind Singh Indraprastha University, Sector-16C, Dwarka, New Delhi, 110078 India
| | - Amrik Bhattacharya
- Enzyme and Microbial Biochemistry Lab, Department of Chemistry, Indian Institute of Technology Delhi, Hauz-Khas, New Delhi, 110016 India
- Amity Institute of Environmental Sciences, Amity University, Noida, Uttar Pradesh 201313 India
| | - Anshu Gupta
- University School of Environment Management, Guru Gobind Singh Indraprastha University, Sector-16C, Dwarka, New Delhi, 110078 India
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2
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Rahman Z, Thomas L, Chetri SPK, Bodhankar S, Kumar V, Naidu R. A comprehensive review on chromium (Cr) contamination and Cr(VI)-resistant extremophiles in diverse extreme environments. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:59163-59193. [PMID: 37046169 DOI: 10.1007/s11356-023-26624-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 03/20/2023] [Indexed: 05/10/2023]
Abstract
Chromium (Cr) compounds are usually toxins and exist abundantly in two different forms, Cr(VI) and Cr(III), in nature. Their contamination in any environment is a major problem. Many extreme environments including cold climate, warm climate, acidic environment, basic/alkaline environment, hypersaline environment, radiation, drought, high pressure, and anaerobic conditions have accumulated elevated Cr contamination. These harsh physicochemical conditions associated with Cr(VI) contamination damage biological systems in various ways. However, several unique microorganisms belonging to phylogenetically distant taxa (bacteria, fungi, and microalgae) owing to different and very distinct physiological characteristics can withstand extremities of Cr(VI) in different physicochemical environments. These challenging situations offer great potential and extended proficiencies in extremophiles for environmental and biotechnological applications. On these issues, the present review draws attention to Cr(VI) contamination from diverse extreme environmental regions. The study gives a detailed account on the ecology and biogeography of Cr(VI)-resistant microorganisms in inhospitable environments, and their use for detoxifying Cr(VI) and other applications. The study also focuses on physiological, multi-omics, and genetic engineering approaches of Cr(VI)-resistant extremophiles.
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Affiliation(s)
- Zeeshanur Rahman
- Department of Botany, Zakir Husain Delhi College, University of Delhi, Delhi, India.
| | - Lebin Thomas
- Department of Botany, Hansraj College, University of Delhi, Delhi, India
| | - Siva P K Chetri
- Department of Botany, Dimoria College, Gauhati University, Guwahati, Assam, India
| | - Shrey Bodhankar
- Department of Agriculture Microbiology, School of Agriculture Sciences, Anurag University, Hyderabad, Telangana, India
| | - Vikas Kumar
- Department of Botany, University of Lucknow, Lucknow, Uttar Pradesh, India
| | - Ravi Naidu
- Global Centre for Environmental Remediation, University of Newcastle, Newcastle, Australia
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3
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Exopolysaccharide production from Alkalibacillus sp. w3: statistical optimization and biological activity. Biologia (Bratisl) 2022. [DOI: 10.1007/s11756-022-01233-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
AbstractMicrobial exopolysaccharides (EPS) provide a broad range of applications. Thus, there is an increasing interest in the production, characterization, and use of EPS derived from various microorganisms. Extremophile polysaccharides have unique properties and applications due to its unique structures. The importance of exopolysaccharides synthesized by a new bacterial strain, Alkalibacillus sp. w3, was highlighted in this study. Alkalibacillus sp. w3, a haloalkalitolerant firmicute that was recovered from a salt lake, was optimized for EPS production, and its biological activities were studied. Exopolysaccharide synthesis was observed in Horikoshi I broth medium. The optimal culture conditions for achieving the highest exopolysaccharide production were a 7-day incubation period, pH 10, and 250 g/L of NaCl. The most effective carbon and nitrogen sources for EPS production were glucose and a combination of yeast extract and peptone. Additionally, Plackett-statistical Burman’s design showed that all factors tested had a favorable impact, with glucose having the greatest significance on the production of EPS. The model’s best predictions for culture conditions resulted in a two-fold improvement in EPS production compared to the original yield before optimization. The recovered EPS contained 65.13% carbohydrates, 30.89% proteins, and 3.98% lipids. Moreover, EPS produced by Alkalibacillus sp. w3 demonstrated anticancer activity against hepatocellular carcinoma (HepG2) and human colon carcinoma (HCT-116) cell lines, with IC50 values as low as 11.8 and 15.5 µg/mL, respectively, besides antibacterial activity against various Gram-positive, Gram-negative bacteria, and yeast. Based on these results, EPS made by Alkalibacillus sp. w3 has many useful properties, which make it suitable for use in the medical field.
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Biswas J, Jana SK, Mandal S. Biotechnological impacts of Halomonas: a promising cell factory for industrially relevant biomolecules. Biotechnol Genet Eng Rev 2022:1-30. [PMID: 36253947 DOI: 10.1080/02648725.2022.2131961] [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: 07/15/2022] [Accepted: 09/27/2022] [Indexed: 11/02/2022]
Abstract
Extremophiles are the most fascinating life forms for their special adaptations and ability to offer unique extremozymes or bioactive molecules. Halophiles, the natural inhabitants of hypersaline environments, are one among them. Halomonas are the common genus of halophilic bacteria. To support growth in unusual environments, Halomonas produces various hydrolytic enzymes, compatible solutes, biopolymers like extracellular polysaccharides (EPS) and polyhydroxy alkaloates (PHA), antibiotics, biosurfactants, pigments, etc. Many of such molecules are being produced in large-scale bioreactors for commercial use. However, the prospect of the remaining bioactive molecules with industrial relevance is far from their application. Furthermore, the genetic engineering of the respective gene clusters could open up a new path to bio-prospect these molecules by overproducing their products through heterologous expression. The present survey on Halomonas highlights their ecological diversity, application potential of the their various industrially relevant biomolecules and impact of these biomolecules on respective fields.
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Affiliation(s)
- Jhuma Biswas
- Laboratory of Molecular Bacteriology, Department of Microbiology, University of Calcutta, Kolkata, India
| | - Santosh Kumar Jana
- Laboratory of Molecular Bacteriology, Department of Microbiology, University of Calcutta, Kolkata, India
| | - Sukhendu Mandal
- Laboratory of Molecular Bacteriology, Department of Microbiology, University of Calcutta, Kolkata, India
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Shreif O, Shehabeldine AM, Abu-Elghait M, Hamed AA, Desouky SE. Statistical optimization of chromium (VI) reduction using response surface methodology (RSM) by newly isolated Stenotrophomonas sp. (a novel strain). Biometals 2021; 35:99-114. [PMID: 34843007 DOI: 10.1007/s10534-021-00353-6] [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: 09/15/2021] [Accepted: 11/22/2021] [Indexed: 11/30/2022]
Abstract
Isolation of Microorganisms capable of reducing toxic chromium (VI) into less toxic one (Cr (III)) has been given attention due to their significance in bioremediation of the contaminated sites. In the present study, Stenotrophomonas sp. Crt94-4A an isolated strain from tannery wastewater and identified genetically by 16s rRNA gene sequencing was able to grow at concentrations up to 354 mg/L of Cr (VI). The results revealed 1% (w/v) NaCl, 2% (v/v) (2 × 106 CFU) inoculum size, and PH 7 in culture containing glucose and peptone as carbon and nitrogen sources respectively were the best conditions for Cr (VI) reduction. Statistical optimization was performed using Plackett-Burman design where peptone, inoculum size, and NaCl had significant effects on Cr (VI) reduction which were tested by three factors Box-Behnken design (BBD) to determine their correlation. The reduction capacity of Cr (VI) by Stenotrophomonas Sp. Crt94-4A was increased from 82, 55, and 23 to 96, 76, and 45% at 88.5, 177 and 354 mg/L of Cr (VI) respectively, which make this strain a good candidate for bioremediation of Cr (VI).
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Affiliation(s)
- Osama Shreif
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Nasr City, 11884, Cairo, Egypt
| | - Amr M Shehabeldine
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Nasr City, 11884, Cairo, Egypt.
| | - Mohammed Abu-Elghait
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Nasr City, 11884, Cairo, Egypt
| | - Ahmed A Hamed
- Microbial Chemistry Department, National Research Centre, 33 El-Buhouth Street, P.O. Box 12622, Dokki, Giza, Egypt
| | - Said E Desouky
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Nasr City, 11884, Cairo, Egypt
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Lara P, Vega-Alvarado L, Sahonero-Canavesi DX, Koenen M, Villanueva L, Riveros-Mckay F, Morett E, Juárez K. Transcriptome Analysis Reveals Cr(VI) Adaptation Mechanisms in Klebsiella sp. Strain AqSCr. Front Microbiol 2021; 12:656589. [PMID: 34122372 PMCID: PMC8195247 DOI: 10.3389/fmicb.2021.656589] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 04/13/2021] [Indexed: 11/19/2022] Open
Abstract
Klebsiella sp. strain AqSCr, isolated from Cr(VI)-polluted groundwater, reduces Cr(VI) both aerobically and anaerobically and resists up 34 mM Cr(VI); this resistance is independent of the ChrA efflux transporter. In this study, we report the whole genome sequence and the transcriptional profile by RNA-Seq of strain AqSCr under Cr(VI)-adapted conditions and found 255 upregulated and 240 downregulated genes compared to controls without Cr(VI) supplementation. Genes differentially transcribed were mostly associated with oxidative stress response, DNA repair and replication, sulfur starvation response, envelope-osmotic stress response, fatty acid (FA) metabolism, ribosomal subunits, and energy metabolism. Among them, genes not previously associated with chromium resistance, for example, cybB, encoding a putative superoxide oxidase (SOO), gltA2, encoding an alternative citrate synthase, and des, encoding a FA desaturase, were upregulated. The sodA gene encoding a manganese superoxide dismutase was upregulated in the presence of Cr(VI), whereas sodB encoding an iron superoxide dismutase was downregulated. Cr(VI) resistance mechanisms in strain AqSCr seem to be orchestrated by the alternative sigma factors fecl, rpoE, and rpoS (all of them upregulated). Membrane lipid analysis of the Cr(IV)-adapted strain showed a lower proportion of unsaturated lipids with respect to the control, which we hypothesized could result from unsaturated lipid peroxidation followed by degradation, together with de novo synthesis mediated by the upregulated FA desaturase-encoding gene, des. This report helps to elucidate both Cr(VI) toxicity targets and global bacterial response to Cr(VI).
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Affiliation(s)
- Paloma Lara
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
| | - Leticia Vega-Alvarado
- Instituto de Ciencias Aplicadas y Tecnología, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Diana X Sahonero-Canavesi
- Department of Marine Microbiology and Biogeochemistry (MMB), NIOZ Royal Netherlands Institute for Sea Research, Texel, Netherlands
| | - Michel Koenen
- Department of Marine Microbiology and Biogeochemistry (MMB), NIOZ Royal Netherlands Institute for Sea Research, Texel, Netherlands
| | - Laura Villanueva
- Department of Marine Microbiology and Biogeochemistry (MMB), NIOZ Royal Netherlands Institute for Sea Research, Texel, Netherlands.,Faculty of Geosciences, Department of Earth Sciences, Utrecht University, Utrecht, Netherlands
| | - Fernando Riveros-Mckay
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
| | - Enrique Morett
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
| | - Katy Juárez
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
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Kalola V, Desai C. Biosorption of Cr(VI) by Halomonas sp. DK4, a halotolerant bacterium isolated from chrome electroplating sludge. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:27330-27344. [PMID: 31332685 DOI: 10.1007/s11356-019-05942-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 07/11/2019] [Indexed: 06/10/2023]
Abstract
This study evaluated Cr(VI) biosorption by a halotolerant gram-negative bacterium Halomonas sp. DK4 isolated from chrome electroplating sludge. The bacterium could withstand high concentrations of Cr(VI) exhibiting a minimal inhibitory concentration (MIC) of 250 mg/L. Plackett-Burman design confirmed glucose, KH2PO4, NaCl, inoculum size, and initial Cr(VI) concentration as significant variables influencing the Cr(VI) removal ability of the bacterium. The suspended culture of Halomonas sp. DK4 was able to remove 81% (100 mg/L) of Cr(VI) in optimized MSM medium from aqueous solutions within 48 h. The bacterium also removed 59% Cr(VI) in the presence of 15% NaCl concentration within 72 h. The main mechanism involved in Cr(VI) removal by Halomonas sp. DK4 was determined to be biosorption which was best explained using the Langmuir isotherm model, wherein the maximum adsorption of 150.7 mg/g was observed under equilibrium conditions. Kinetic studies reveal that chemisorption of Cr(VI) by Halomonas sp. DK4 was a rate-limiting process which followed pseudo-second-order kinetics (R2 = 0.99). Bacterial biomass exhibited maximum adsorption of 70.3% Cr(VI) at an initial concentration of 100 mg/L under optimal conditions. Fourier transform infrared spectroscopy (FTIR) analysis confirmed the presence of hydroxyl, carboxyl, amide, and phosphate groups on the bacterial surface which may be involved in Cr(VI) adsorption. Scanning electron microscopy coupled energy dispersive X-ray (SEM-EDX) analysis revealed morphological changes in the bacterial cell and accumulation of Cr(VI) on the cell surface. These results suggest the potential application of Halomonas sp. DK4 in the removal of Cr(VI) from saline chromium-containing industrial wastewaters.
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Affiliation(s)
- Vidhi Kalola
- P. D. Patel Institute of Applied Sciences, Charotar University of Science and Technology, CHARUSAT Campus, Changa, Gujarat, 388421, India
| | - Chirayu Desai
- P. D. Patel Institute of Applied Sciences, Charotar University of Science and Technology, CHARUSAT Campus, Changa, Gujarat, 388421, India.
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Assessing Chromium Contamination in Red Soil: Monitoring the Migration of Fractions and the Change of Related Microorganisms. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17082835. [PMID: 32326110 PMCID: PMC7215348 DOI: 10.3390/ijerph17082835] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 04/05/2020] [Accepted: 04/14/2020] [Indexed: 12/23/2022]
Abstract
The improper stacking of chromium (Cr) slag poses a great threat to the environment and human health. The toxicity of Cr in soil is not only related to its total amount, but also to its fractions. A simulated experiment was conducted in laboratory to assess the environmental risk of Cr fractions migration and distribution in red soil. The results showed the content of acid-soluble and reducible Cr significantly decreased (P < 0.05) in top layer but increased in middle and substratum layers over time. This indicated that acid-soluble and reducible Cr migrated downward with time and the relative mobility of acid-soluble Cr (0.038 mg/kg·d·m) was higher than that of reducible Cr (0.028 mg/kg·d·m). Furthermore, correlation analysis between microbial community and chromium fraction showed the relative abundance of Lysobacter, Flavihumibacter, Flavisolbacter, and Altererythrobacter was significantly (P < 0.05) correlated with acid-soluble and reducible fractions. Thus, these microorganisms might be evaluators to assess the migration of acid-soluble and reducible fractions in red soil. In summary, this study provided a new comprehension on remediation of Cr-contaminated soil by monitoring the migration of acid-soluble and reducible fractions and the changes of related microbial groups.
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Giovanella P, Vieira GAL, Ramos Otero IV, Pais Pellizzer E, de Jesus Fontes B, Sette LD. Metal and organic pollutants bioremediation by extremophile microorganisms. JOURNAL OF HAZARDOUS MATERIALS 2020; 382:121024. [PMID: 31541933 DOI: 10.1016/j.jhazmat.2019.121024] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 07/17/2019] [Accepted: 08/14/2019] [Indexed: 06/10/2023]
Abstract
Extremophiles comprise microorganisms that are able to grow and thrive in extreme environments, including in an acidic or alkaline pH, high or low temperatures, high concentrations of pollutants, and salts, among others. These organisms are promising for environmental biotechnology due to their unique physiological and enzymatic characteristics, which allow them to survive in harsh environments. Due to the stability and persistence of these microorganisms under adverse environmental conditions, they can be used for the bioremediation of environments contaminated with extremely recalcitrant pollutants. Here, we provide an overview of extremophiles and the role of "omics" in the field of bioremediation of environmental pollutants, including hydrocarbons, textile dyes and metals.
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Affiliation(s)
- Patricia Giovanella
- Departamento de Bioquímica e Microbiologia, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho, Rio Claro, SP, Brazil.
| | - Gabriela A L Vieira
- Departamento de Bioquímica e Microbiologia, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho, Rio Claro, SP, Brazil
| | - Igor V Ramos Otero
- Departamento de Bioquímica e Microbiologia, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho, Rio Claro, SP, Brazil
| | - Elisa Pais Pellizzer
- Departamento de Bioquímica e Microbiologia, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho, Rio Claro, SP, Brazil
| | - Bruno de Jesus Fontes
- Departamento de Bioquímica e Microbiologia, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho, Rio Claro, SP, Brazil
| | - Lara D Sette
- Departamento de Bioquímica e Microbiologia, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho, Rio Claro, SP, Brazil.
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Prabhakaran DC, Bolaños-Benitez V, Sivry Y, Gelabert A, Riotte J, Subramanian S. Mechanistic studies on the bioremediation of Cr(VI) using Sphingopyxis macrogoltabida SUK2c, a Cr(VI) tolerant bacterial isolate. Biochem Eng J 2019. [DOI: 10.1016/j.bej.2019.107292] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Fernandez M, Pereira PP, Agostini E, González PS. How the bacterial community of a tannery effluent responds to bioaugmentation with the consortium SFC 500-1. Impact of environmental variables. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 247:46-56. [PMID: 31229785 DOI: 10.1016/j.jenvman.2019.06.055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 05/17/2019] [Accepted: 06/11/2019] [Indexed: 06/09/2023]
Abstract
Bioaugmentation with the consortium SFC 500-1 is a promising alternative to remediate wastewaters, such as tannery effluents. With the aim of assessing the changes produced in response to bioaugmentation, bacterial 16S rDNA genes were sequenced with Illumina MiSeq Platform. Additionally, bacterial and fungal groups were analyzed through standard culture dependent methods. The impact of diverse physico-chemical and microbiological parameters on the prokaryotic diversity was also evaluated throughout. Bacteroidetes, Firmicutes and Proteobacteria, represented together up to 91% of the total number of sequences obtained from the tannery effluent. Diversity decreased immediately after inoculation, due to an increase in the representation of the taxa to which the added consortium belongs. However, bioaugmentation produced no greater variations since only a 10% of unique operational taxonomic units were found in the inoculated treatment. An increase in the abundance of Myroides and a reduction in the representation of Proteiniclasticum and Halomonas were major observed variations. On the other hand, pH and dissolved oxygen constituted main environmental factors affecting the structure of the prokaryotic communities. In all treatments yeasts increased over time, to the detriment of filamentous fungi. Together, data from this report may contribute to the development of improved bioremediation strategies of industrial wastewaters.
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Affiliation(s)
- Marilina Fernandez
- Departamento de Biología Molecular, FCEFQyN, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina; CONICET, UNRC, Instituto de Biotecnología Ambiental y Salud (INBIAS), Río Cuarto, Córdoba, Argentina.
| | - Paola P Pereira
- Departamento de Biología Molecular, FCEFQyN, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina; CONICET, UNRC, Instituto de Biotecnología Ambiental y Salud (INBIAS), Río Cuarto, Córdoba, Argentina.
| | - Elizabeth Agostini
- Departamento de Biología Molecular, FCEFQyN, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina; CONICET, UNRC, Instituto de Biotecnología Ambiental y Salud (INBIAS), Río Cuarto, Córdoba, Argentina.
| | - Paola S González
- Departamento de Biología Molecular, FCEFQyN, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina; CONICET, UNRC, Instituto de Biotecnología Ambiental y Salud (INBIAS), Río Cuarto, Córdoba, Argentina.
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Kong X, Li C, Wang P, Huang G, Li Z, Han Z. Soil Pollution Characteristics and Microbial Responses in a Vertical Profile with Long-Term Tannery Sludge Contamination in Hebei, China. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:E563. [PMID: 30781422 PMCID: PMC6407015 DOI: 10.3390/ijerph16040563] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 02/09/2019] [Accepted: 02/09/2019] [Indexed: 11/20/2022]
Abstract
An investigation was made into the effects of tannery sludge on soil chemical properties and microbial communities in a typical soil profile with long-term tannery sludge contamination, North China. The results showed that trivalent chromium (Cr(III)), ammonium, organic nitrogen, salinity and sulfide were the predominant contaminants in tannery sludge. Although the tannery sludge contained high chromium (Cr, 3,0970 mg/kg), the proportion of mobile Cr forms (exchangeable plus carbonate-bound fraction) only accounted for 1.32%. The X-ray diffraction and X-ray photoelectron spectroscopy results further demonstrated that the Cr existed in a stable state of oxides and iron oxides. The alkaline loam soil had a significant retardation effect on the migration of salinity, ammonium, Cr(III) and sulfide, and the accumulation of these contaminants occurred in soils (0⁻40 cm). A good correlation (R² = 0.959) was observed between total organic carbon (TOC) and Cr(III) in the soil profile, indicating that the dissolved organic matter from sludge leachate promoted the vertical mobility of Cr(III) via forming Cr(III)-organic complexes. The halotolerant bacteria (Halomonas and Tepidimicrobium) and organic degrading bacteria (Flavobacteriaceae, Tepidimicrobium and Balneola) became the dominant microflora in the soil profile. High contents of salinity, Cr and nitrogen were the main environmental factors affecting the abundance of indigenous microorganisms in soils.
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Affiliation(s)
- Xiangke Kong
- Institute of Hydrogeology & Environmental Geology, Chinese Academy of Geological Sciences, Shijiazhuang, 050061, China.
- Hebei and China Geological Survey Key Laboratory of Groundwater Remediation, Institute of Hydrogeology & Environmental Geology, Shijiazhuang, 050061, China.
| | - Chunhui Li
- School of Earth Science and Engineering, North China University of Water Resources and Electric Power, Zhengzhou, 450046, China.
| | - Ping Wang
- Institute of Hydrogeology & Environmental Geology, Chinese Academy of Geological Sciences, Shijiazhuang, 050061, China.
- Hebei and China Geological Survey Key Laboratory of Groundwater Remediation, Institute of Hydrogeology & Environmental Geology, Shijiazhuang, 050061, China.
| | - Guoxin Huang
- Chinese Academy for Environmental Planning, Beijing 100012, China.
| | - Zhitao Li
- Chinese Academy for Environmental Planning, Beijing 100012, China.
| | - Zhantao Han
- Institute of Hydrogeology & Environmental Geology, Chinese Academy of Geological Sciences, Shijiazhuang, 050061, China.
- Hebei and China Geological Survey Key Laboratory of Groundwater Remediation, Institute of Hydrogeology & Environmental Geology, Shijiazhuang, 050061, China.
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13
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Reduction of hexavalent chromium by a moderately halophilic bacterium, Halomonas smyrnensis KS802 under saline environment. ACTA ACUST UNITED AC 2018. [DOI: 10.1007/s42398-018-00037-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Long B, Ye B, Liu Q, Zhang S, Ye J, Zou L, Shi J. Characterization of Penicillium oxalicum SL2 isolated from indoor air and its application to the removal of hexavalent chromium. PLoS One 2018; 13:e0191484. [PMID: 29381723 PMCID: PMC5790237 DOI: 10.1371/journal.pone.0191484] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Accepted: 01/05/2018] [Indexed: 02/06/2023] Open
Abstract
Removal of toxic Cr(VI) by microbial reduction is a promising approach to reducing its ecotoxicological impact. To develop bioremediation technologies, many studies have evaluated the application of microorganisms isolated from Cr(VI)-contaminated sites. Nonetheless, little attention has been given to microbes from the environments without a history of Cr(VI) contamination. In this study, we aimed to characterize the Cr(VI) tolerance and removal abilities of a filamentous fungus strain, SL2, isolated from indoor air. Based on phenotypic characterization and rDNA sequence analysis, SL2 was identified as Penicillium oxalicum, a species that has not been extensively studied regarding Cr(VI) tolerance and reduction abilities. SL2 showed high tolerance to Cr(VI) on solid and in liquid media, facilitating its application to Cr(VI)-contaminated environments. Growth curves of SL2 in the presence of 0, 100, 400, or 1000 mg/L Cr(VI) were well simulated by the modified Gompertz model. The relative maximal colony diameter and maximal growth rate decreased as Cr(VI) concentration increased, while the lag time increased. SL2 manifested remarkable efficacy of removing Cr(VI). Mass balance analysis indicated that SL2 removed Cr(VI) by reduction, and incorporated 0.79 mg of Cr per gram of dry biomass. In electroplating wastewater, the initial rate of Cr(VI) removal was affected by the initial contaminant concentration. In conclusion, P. oxalicum SL2 represents a promising new candidate for Cr(VI) removal. Our results significantly expand the knowledge on potential application of this microorganism.
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Affiliation(s)
- Bibo Long
- Department of Environmental Engineering, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Binhui Ye
- Department of Environmental Engineering, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Qinglin Liu
- Department of Environmental Engineering, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Shu Zhang
- Department of Environmental Engineering, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Jien Ye
- Department of Environmental Engineering, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Lina Zou
- Department of Environmental Engineering, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Jiyan Shi
- Department of Environmental Engineering, Zhejiang University, Hangzhou, Zhejiang Province, China
- Key Laboratory for Water Pollution Control and Environmental Safety, Hangzhou, Zhejiang Province, China
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15
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Kiran Kumar Reddy G, Nancharaiah YV. Sustainable bioreduction of toxic levels of chromate in a denitrifying granular sludge reactor. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:1969-1979. [PMID: 29105040 DOI: 10.1007/s11356-017-0600-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 10/24/2017] [Indexed: 06/07/2023]
Abstract
Biological removal of chromate [Cr(VI)] in the presence or absence of nitrate by granular sludge biofilms was investigated in batch experiments and in a sequencing batch reactor (SBR). Denitrifying granular sludge cultivated from activated sludge was able to directly reduce Cr(VI) in the presence of an electron donor. Bioreduction was dependent on the initial Cr(VI) and the granular sludge concentrations. Bioreduction of Cr(VI) was followed by Cr(III) precipitation or entrapment in the granular sludge which was corroborated with decrease in total soluble Cr and increase in inorganic content of biomass. Batch experiments revealed that Cr(VI) addition has no major influence on high-strength nitrate (3000 mg L-1) denitrification, but nitrite denitrification was slowed-down. However, SBR experiment demonstrated successful denitrification as well as Cr(VI) removal due to enrichment of Cr(VI)-tolerant denitrifying bacteria. In fact, stable SBR performance in terms of complete and sustained removal of 0.05, 0.1, 0.2, 0.3, 0.5 and 0.75 mM Cr(VI) and denitrification of 3000 mg L-1 was observed during 2 months of operation. Active biomass and electron donor-dependent Cr(VI) removal, detection of Cr(III) in the biomass and recovery of ~ 92% of the Cr from the granular sludge biofilms confirms bioreduction followed by precipitation or entrapment of Cr(III) as the principal chromate removal mechanism. Metagenomic bacterial community analysis showed enrichment of Halomonas sp. in denitrifying granular sludge performing either denitrification or simultaneous reduction of nitrate and chromate.
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Affiliation(s)
- G Kiran Kumar Reddy
- Water and Steam Chemistry Division, Bhabha Atomic Research Centre, Kalpakkam, 603102, India
- Homi Bhabha National Institute, Anushakti Nagar Complex, Mumbai, 400 094, India
| | - Y V Nancharaiah
- Water and Steam Chemistry Division, Bhabha Atomic Research Centre, Kalpakkam, 603102, India.
- Homi Bhabha National Institute, Anushakti Nagar Complex, Mumbai, 400 094, India.
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16
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Chaudhary P, Chhokar V, Choudhary P, Kumar A, Beniwal V. Optimization of chromium and tannic acid bioremediation by Aspergillus niveus using Plackett-Burman design and response surface methodology. AMB Express 2017; 7:201. [PMID: 29138995 PMCID: PMC5686038 DOI: 10.1186/s13568-017-0504-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 11/02/2017] [Indexed: 11/10/2022] Open
Abstract
A chromium and tannic acid resistance fungal strain was isolated from tannery effluent, and identified as Aspergillus niveus MCC 1318 based on its rDNA gene sequence. The MIC (minimum inhibitory concentration) of the isolate against chromium and tannic acid was found to be 200 ppm and 5% respectively. Optimization of physiochemical parameters for biosorption of chromium and tannic acid degradation was carried out by Plackett-Burman design followed by response surface methodology (RSM). The maximum chromium removal and tannic acid degradation was found to be 92 and 68% respectively by A. niveus. Chromium removal and tannic acid degradation was increased up to 11 and 6% respectively after optimization. Scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) was used to investigate biosorption phenomena.
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Affiliation(s)
- Prachi Chaudhary
- Department of Biotechnology, Maharishi Markandeshwar University, Mullana, Ambala 133207 India
| | - Vinod Chhokar
- Department of Bio & Nano Technology, Guru Jambheshwar University of Science & Technology, Hisar, Haryana 125001 India
| | - Pragati Choudhary
- Department of Bio & Nano Technology, Guru Jambheshwar University of Science & Technology, Hisar, Haryana 125001 India
| | - Anil Kumar
- Department of Bio & Nano Technology, Guru Jambheshwar University of Science & Technology, Hisar, Haryana 125001 India
| | - Vikas Beniwal
- Department of Biotechnology, Maharishi Markandeshwar University, Mullana, Ambala 133207 India
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17
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Analysis of the Genome and Chromium Metabolism-Related Genes of Serratia sp. S2. Appl Biochem Biotechnol 2017; 185:140-152. [DOI: 10.1007/s12010-017-2639-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 10/17/2017] [Indexed: 10/18/2022]
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18
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Lara P, Morett E, Juárez K. Acetate biostimulation as an effective treatment for cleaning up alkaline soil highly contaminated with Cr(VI). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:25513-25521. [PMID: 27525740 DOI: 10.1007/s11356-016-7191-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Accepted: 07/05/2016] [Indexed: 06/06/2023]
Abstract
Stimulation of microbial reduction of Cr(VI) to the less toxic and less soluble Cr(III) through electron donor addition has been regarded as a promising approach for the remediation of chromium-contaminated soil and groundwater sites. However, each site presents different challenges; local physicochemical characteristics and indigenous microbial communities influence the effectiveness of the biostimulation processes. Here, we show microcosm assays stimulation of microbial reduction of Cr(VI) in highly alkaline and saline soil samples from a long-term contaminated site in Guanajuato, Mexico. Acetate was effective promoting anaerobic microbial reduction of 15 mM of Cr(VI) in 25 days accompanied by an increase in pH from 9 to 10. Our analyses showed the presence of Halomonas, Herbaspirillum, Nesterenkonia/Arthrobacter, and Bacillus species in the soil sample collected. Moreover, from biostimulated soil samples, it was possible to isolate Halomonas spp. strains able to grow at 32 mM of Cr(VI). Additionally, we found that polluted groundwater has bacterial species different to those found in soil samples with the ability to resist and reduce chromate using acetate and yeast extract as electron donors.
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Affiliation(s)
- Paloma Lara
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Av. Universidad 2001. Col. Chamilpa, 62210, Cuernavaca, Morelos, Mexico
| | - Enrique Morett
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Av. Universidad 2001. Col. Chamilpa, 62210, Cuernavaca, Morelos, Mexico
- Instituto Nacional de Medicina Genómica, Periférico Sur No. 4809, Col. Arenal Tepepan, Delegación Tlalpan, 14610, México, Distrito Federal, Mexico
| | - Katy Juárez
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Av. Universidad 2001. Col. Chamilpa, 62210, Cuernavaca, Morelos, Mexico.
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Pradhan D, Sukla LB, Sawyer M, Rahman PK. Recent bioreduction of hexavalent chromium in wastewater treatment: A review. J IND ENG CHEM 2017. [DOI: 10.1016/j.jiec.2017.06.040] [Citation(s) in RCA: 190] [Impact Index Per Article: 27.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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20
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Wang G, Zhang B, Li S, Yang M, Yin C. Simultaneous microbial reduction of vanadium (V) and chromium (VI) by Shewanella loihica PV-4. BIORESOURCE TECHNOLOGY 2017; 227:353-358. [PMID: 28061419 DOI: 10.1016/j.biortech.2016.12.070] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 12/16/2016] [Accepted: 12/21/2016] [Indexed: 06/06/2023]
Abstract
Toxic vanadium (V) and chromium (VI) often co-exist in wastewater from vanadium ore smelting and their reductions by bacterial strain Shewanella loihica PV-4 is realized simultaneously. After 27-d operation, 71.3% of V(V) and 91.2% of Cr(VI) were removed respectively, with citrate as organic carbon source. Enhancement of Cr(VI) bioreduction was observed with the suppressed V(V) reduction. V(IV) and Cr(III), the main reduction products, precipitated inside the organisms and attached on cell surfaces. Both membrane components containing cytochrome c and cytoplasmic fractions containing soluble proteins as well as NADH may contribute to these microbial reductions. Most Cr(VI) were reduced extracellularly and V(V) tended to be reduced through intracellular process, as revealed by mapping the microbial surface and a line scan across the cell, performed by scanning transmission electron microscopy. This study provides an efficient alternative for controlling combined pollution caused by these two metals based on microbial technology.
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Affiliation(s)
- Guangyu Wang
- Department of Biophysics, College of Basic Medical Sciences, Peking University Health Science Centre, Beijing 100191, China
| | - Baogang Zhang
- School of Water Resources and Environment, China University of Geosciences Beijing, Key Laboratory of Groundwater Circulation and Evolution (China University of Geosciences Beijing), Ministry of Education, Beijing 100083, China
| | - Shuang Li
- Department of Biophysics, College of Basic Medical Sciences, Peking University Health Science Centre, Beijing 100191, China
| | - Meng Yang
- School of Water Resources and Environment, China University of Geosciences Beijing, Key Laboratory of Groundwater Circulation and Evolution (China University of Geosciences Beijing), Ministry of Education, Beijing 100083, China
| | - Changcheng Yin
- Department of Biophysics, College of Basic Medical Sciences, Peking University Health Science Centre, Beijing 100191, China.
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Heavy metal resistance in halophilicBacteriaandArchaea. FEMS Microbiol Lett 2016; 363:fnw146. [DOI: 10.1093/femsle/fnw146] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/20/2016] [Indexed: 12/25/2022] Open
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22
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Leucobacter chromiireducens CRB2, a new strain with high Cr(VI) reduction potential isolated from tannery-contaminated soil (Fez, Morocco). ANN MICROBIOL 2015. [DOI: 10.1007/s13213-015-1125-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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