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A Review of Biohydrogen Production from Saccharina japonica. FERMENTATION-BASEL 2023. [DOI: 10.3390/fermentation9030242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
Saccharina japonica (known as Laminaria japonica or Phaeophyta japonica), one of the largest macroalgae, has been recognized as food and medicine for a long time in some Asian countries, such as China, South Korea, Japan, etc. In recent years, S. japonica has also been considered the most promising third-generation biofuel feedstock to replace fossil fuels, contributing to solving the challenges people face regarding energy and the environment. In particular, S. japonica-derived biohydrogen (H2) is expected to be a major fuel source in the future because of its clean, high-yield, and sustainable properties. Therefore, this review focuses on recent advances in bio-H2 production from S. japonica. The cutting-edge biological technologies with suitable operating parameters to enhance S. japonica’s bio-H2 production efficiency are reviewed based on the Scopus database. In addition, guidelines for future developments in this field are discussed.
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Bokade P, Gaur VK, Tripathi V, Bobate S, Manickam N, Bajaj A. Bacterial remediation of pesticide polluted soils: Exploring the feasibility of site restoration. JOURNAL OF HAZARDOUS MATERIALS 2023; 441:129906. [PMID: 36088882 DOI: 10.1016/j.jhazmat.2022.129906] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 06/15/2023]
Abstract
For decades, reclamation of pesticide contaminated sites has been a challenging avenue. Due to increasing agricultural demand, the application of synthetic pesticides could not be controlled in its usage, and it has now adversely impacted the soil, water, and associated ecosystems posing adverse effects on human health. Agricultural soil and pesticide manufacturing sites, in particular, are one of the most contaminated due to direct exposure. Among various strategies for soil reclamation, ecofriendly microbial bioremediation suffers inherent challenges for large scale field application as interaction of microbes with the polluted soil varies greatly under climatic conditions. Methodically, starting from functional or genomic screening, enrichment isolation; functional pathway mapping, production of tensioactive metabolites for increasing the bioavailability and bio-accessibility, employing genetic engineering strategies for modifications in existing catabolic genes to enhance the degradation activity; each step-in degradation study has challenges and prospects which can be addressed for successful application. The present review critically examines the methodical challenges addressing the feasibility for restoring and reclaiming pesticide contaminated sites along with the ecotoxicological risk assessments. Overall, it highlights the need to fine-tune the available processes and employ interdisciplinary approaches to make microbe assisted bioremediation as the method of choice for reclamation of pesticide contaminated sites.
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Affiliation(s)
- Priyanka Bokade
- Environmental Biotechnology and Genomics Division, CSIR-National Environmental Engineering Research Institute, Nehru Marg, Nagpur 440020, Maharashtra, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Vivek Kumar Gaur
- Environmental Biotechnology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31 Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; School of Energy and Chemical Engineering, UNIST, Ulsan 44919, South Korea
| | - Varsha Tripathi
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India; Environmental Biotechnology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31 Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India
| | - Shishir Bobate
- Environmental Biotechnology and Genomics Division, CSIR-National Environmental Engineering Research Institute, Nehru Marg, Nagpur 440020, Maharashtra, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Natesan Manickam
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India; Environmental Biotechnology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31 Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India
| | - Abhay Bajaj
- Environmental Biotechnology and Genomics Division, CSIR-National Environmental Engineering Research Institute, Nehru Marg, Nagpur 440020, Maharashtra, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India.
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Ohnishi A, Hasegawa Y, Fujimoto N, Suzuki M. Biohydrogen production by mixed culture of Megasphaera elsdenii with lactic acid bacteria as Lactate-driven dark fermentation. BIORESOURCE TECHNOLOGY 2022; 343:126076. [PMID: 34601026 DOI: 10.1016/j.biortech.2021.126076] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/28/2021] [Accepted: 09/29/2021] [Indexed: 06/13/2023]
Abstract
Numerous attempts have been made to upscale biohydrogen production via dark fermentation (DF); however, the Achilles' heel of DF, i.e., lactic acid bacteria (LAB) contamination and overgrowth, hinders such upscaling. Key microbes are needed to develop a lactate-driven DF system that can serve as a lactate fermentation platform. In this study, the utility of Megasphaera elsdenii and LAB co-culturing in lactate-driven DF was evaluated. When inoculated simultaneously with LAB or after LAB culture, M. elsdenii achieved a stable hydrogen yield of 0.95-1.49 H2-mol/mol-glucose, approximately half that obtained in pure M. elsdenii cultures. Hydrogen production was maintained even at an initial M. elsdenii-to-LAB cell ratio of one-millionth or less. Moreover, M. elsdenii produced hydrogen via lactate-driven DF from unusable sugars such as xylose or cellobiose. Thus, M. elsdenii could be a Game changer instrumental in unlocking the full potential of DF.
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Affiliation(s)
- Akihiro Ohnishi
- Department of Fermentation Science, Faculty of Applied Bio-Science, Tokyo University of Agriculture, Tokyo 156-8502, Japan.
| | - Yuji Hasegawa
- Department of Fermentation Science, Faculty of Applied Bio-Science, Tokyo University of Agriculture, Tokyo 156-8502, Japan
| | - Naoshi Fujimoto
- Department of Fermentation Science, Faculty of Applied Bio-Science, Tokyo University of Agriculture, Tokyo 156-8502, Japan
| | - Masaharu Suzuki
- Department of Fermentation Science, Faculty of Applied Bio-Science, Tokyo University of Agriculture, Tokyo 156-8502, Japan
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Anaerobic Acidogenic Fermentation of Cellobiose by Immobilized Cells: Prediction of Organic Acids Production by Response Surface Methodology. Processes (Basel) 2021. [DOI: 10.3390/pr9081441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Response surface methodology was used to derive a prediction model for organic acids production by anaerobic acidogenic fermentation of cellobiose, using a mixed culture immobilized on γ-alumina. Three parameters (substrate concentration, temperature, and initial pH) were evaluated. In order to determine the limits of the parameters, preliminary experiments at 37 °C were conducted using substrates of various cellobiose concentrations and pH values. Cellobiose was used as a model sugar for subsequent experiments with lignocellulosic biomass. The culture was well adapted to cellobiose by successive subculturing at 37 °C in synthetic media (with 100:5:1 COD:N:P ratio). The experimental data of successive batch fermentations were fitted into a polynomial model for the total organic acids concentration in order to derive a predictive model that could be utilized as a tool to predict fermentation results when lignocellulosic biomass is used as a substrate. The quadratic effect of temperature was the most significant, followed by the quadratic effect of initial pH and the linear effect of cellobiose concentration. The results corroborated the validity and effectiveness of the model.
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Zealand AM, Mei R, Roskilly AP, Liu W, Graham DW. Molecular microbial ecology of stable versus failing rice straw anaerobic digesters. Microb Biotechnol 2019; 12:879-891. [PMID: 31233284 PMCID: PMC6681398 DOI: 10.1111/1751-7915.13438] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 05/13/2019] [Accepted: 05/14/2019] [Indexed: 12/01/2022] Open
Abstract
Waste rice straw (RS) is generated in massive quantities around the world and is often burned, creating greenhouse gas and air quality problems. Anaerobic digestion (AD) may be a better option for RS management, but RS is presumed to be comparatively refractory under anaerobic conditions without pre-treatment or co-substrates. However, this presumption assumes frequent reactor feeding regimes but less frequent feeding may be better for RS due to slow hydrolysis rates. Here, we assess how feeding frequency (FF) and organic loading rate (OLR) impacts microbial communities and biogas production in RS AD reactors. Using 16S rDNA amplicon sequencing and bioinformatics, microbial communities from five bench-scale bioreactors were characterized. At low OLR (1.0 g VS l-1 day-1 ), infrequently fed units (once every 21 days) had higher specific biogas yields than more frequent feeding (five in 7 days), although microbial community diversities were statistically similar (P > 0.05; ANOVA with Tukey comparison). In contrast, an increase in OLR to 2.0 g VS l-1 day-1 significantly changed Archaeal and fermenting Eubacterial sub-communities and the least frequency fed reactors failed. 'Stable' reactors were dominated by Methanobacterium, Methanosarcina and diverse Bacteroidetes, whereas 'failed' reactors saw shifts towards Clostridia and Christensenellaceae among fermenters and reduced methanogen abundances. Overall, OLR impacted RS AD microbial communities more than FF. However, combining infrequent feeding and lower OLRs may be better for RS AD because of higher specific yields.
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Affiliation(s)
- Andrew M. Zealand
- School of EngineeringNewcastle UniversityNewcastle upon TyneNE1 7RUUK
| | - Ran Mei
- Department of Civil and Environmental EngineeringUniversity of Illinois at Urbana‐Champaign205 North Mathews AveUrbanaIL61801USA
| | - Anthony P. Roskilly
- Sir Joseph Swan Centre for Energy ResearchNewcastle UniversityNewcastle upon TyneNE1 7RUUK
| | - WenTso Liu
- Department of Civil and Environmental EngineeringUniversity of Illinois at Urbana‐Champaign205 North Mathews AveUrbanaIL61801USA
| | - David W. Graham
- School of EngineeringNewcastle UniversityNewcastle upon TyneNE1 7RUUK
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Production of bio-hydrogen from dairy wastewater using pretreated landfill leachate sludge as an inoculum. J Biosci Bioeng 2019; 127:150-159. [DOI: 10.1016/j.jbiosc.2018.07.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 06/21/2018] [Accepted: 07/15/2018] [Indexed: 11/22/2022]
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Selection and characterization of an anaerobic microbial consortium with high adaptation to crude glycerol for 1,3-propanediol production. Appl Microbiol Biotechnol 2017; 101:5985-5996. [DOI: 10.1007/s00253-017-8311-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2017] [Revised: 04/18/2017] [Accepted: 04/26/2017] [Indexed: 10/19/2022]
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Cabrol L, Marone A, Tapia-Venegas E, Steyer JP, Ruiz-Filippi G, Trably E. Microbial ecology of fermentative hydrogen producing bioprocesses: useful insights for driving the ecosystem function. FEMS Microbiol Rev 2017; 41:158-181. [DOI: 10.1093/femsre/fuw043] [Citation(s) in RCA: 154] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/05/2016] [Indexed: 11/13/2022] Open
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Zhu L, Lv ML, Dai X, Zhou JH, Xu XY. The stability of aerobic granular sludge under 4-chloroaniline shock in a sequential air-lift bioreactor (SABR). BIORESOURCE TECHNOLOGY 2013; 140:126-130. [PMID: 23685649 DOI: 10.1016/j.biortech.2013.04.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2012] [Revised: 04/03/2013] [Accepted: 04/05/2013] [Indexed: 06/02/2023]
Abstract
The aerobic granular sludge technology has a great potential in treatment of municipal wastewater and industrial wastewater containing toxic non-degradable pollutants. However, the formation and structural stability of aerobic granular sludge is susceptible to toxic shock. In the study, the effect of 4-chloroaniline (4-ClA) as a common toxic pollutant on the granular structure and performance was investigated, and the mechanism was revealed to provide more information on 4-ClA degradation with aerobic granular sludge process. The results showed that a 4-ClA shock at influent 200 mg L(-1) could cause the disintegration of aerobic granular sludge and decrease of the pollutant removal performance. The analysis of extracellular polymeric substances (EPS) within the mature and disintegrated granular sludge showed that the decrease of protein content in EPS, especially the components like Amide I 3-turn helix and β-sheet structures and aspartate, was not good for the stability of aerobic granular sludge. The microbial community results demonstrated that the disappearance of dominant bacteria like Kineosphaera limosa or appearance like Acinetobacter, might contribute to the reduction of EPS and disintegration of aerobic granular sludge.
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Affiliation(s)
- Liang Zhu
- Department of Environmental Engineering, Zhejiang University, Hangzhou 310058, China.
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Lee DJ, Show KY, Wang A. Unconventional approaches to isolation and enrichment of functional microbial consortium--a review. BIORESOURCE TECHNOLOGY 2013; 136:697-706. [PMID: 23566469 DOI: 10.1016/j.biortech.2013.02.075] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2013] [Revised: 02/08/2013] [Accepted: 02/21/2013] [Indexed: 05/11/2023]
Abstract
Studies on how different functional strains interact in a microflora may include isolation of pure strains using conventional plating technique and then mix a few of the isolates before observing their growth in specific medium. As isolating pure strains that take part in the key function of industrial effluent purification via conventional method is impractical, convenient alternative approaches to screen essential microbial group that maintains desired function of a mixed population is desired. Such approaches can be employed to allow the selection and enrichment of so-called functional consortium with user-defined attributes for specific functions. This manuscript provides a review of various approaches to isolation and enrichment of microbial functional consortium in several biological processes. Consideration for the isolation and enrichment approaches and their applications are delineated. Challenges to the applications and further work are also outlined.
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Affiliation(s)
- Duu-Jong Lee
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China.
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Whang LM, Lin CA, Liu IC, Wu CW, Cheng HH. Metabolic and energetic aspects of biohydrogen production of Clostridium tyrobutyricum: The effects of hydraulic retention time and peptone addition. BIORESOURCE TECHNOLOGY 2011; 102:8378-8383. [PMID: 21511461 DOI: 10.1016/j.biortech.2011.03.101] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2010] [Revised: 03/30/2011] [Accepted: 03/30/2011] [Indexed: 05/30/2023]
Abstract
This study evaluates the microbial metabolism and energy demand in fermentative biohydrogen production using Clostridium tyrobutyricum FYa102 at different hydraulic retention times (HRT) over a period of 1-18 h. The hydrogen yield shows a positive correlation with the butyrate yield, the B/A ratio, and the Y(H2)/2(Y(HAc)+Y(HBu)) ratio, but a negative correlation with the lactate yield. A decrease in HRT, which is accompanied by an increased biomass growth, tends to decrease the B/A ratio, due presumably to a higher energy demand for microbial growth. The production of lactate at a low HRT, however, may involve an unfavorable change in e(-) equiv distribution to result in a reduced hydrogen production. Finally, the relatively high hydrogen yields observed in the bioreactor with the peptone addition may be ascribed to the utilization of peptone as an additional energy and/or amino-acid source, thus reducing the glucose demand for biomass growth during the hydrogen production process.
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Affiliation(s)
- Liang-Ming Whang
- Department of Environmental Engineering, National Cheng Kung University, No. 1, University Road, Tainan 701, Taiwan.
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Ho KL, Lee DJ. Harvesting biohydrogen from cellobiose from sulfide or nitrite-containing wastewaters using Clostridium sp. R1. BIORESOURCE TECHNOLOGY 2011; 102:8547-8549. [PMID: 21555217 DOI: 10.1016/j.biortech.2011.04.031] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2011] [Revised: 04/09/2011] [Accepted: 04/09/2011] [Indexed: 05/30/2023]
Abstract
Harvesting biohydrogen from inhibiting wastewaters is of practical interest since the toxicity of compounds in a wastewater stream commonly prevents the bioenergy content being recovered. The isolated Clostridium sp. R1 is utilized to degrade cellobiose in sulfide or nitrite-containing medium for biohydrogen production. The strain can effectively degrade cellobiose free of severe inhibitory effects at up to 200 mgl(-1) sulfide or to 5 mgl(-1) nitrite, yielding hydrogen at >2.0 mol H2 mol(-1) cellobiose. Principal metabolites of cellobiose fermentation are acetate and butyrate, with the concentration of the former increases with increasing sulfide and nitrite concentrations. The isolated strain can yield hydrogen from cellobiose in sulfide-laden wastewaters. However, the present of nitrite significantly limit the efficiency of the biohydrogen harvesting process.
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Affiliation(s)
- Kuo-Ling Ho
- Department of Chemical Engineering, National Taiwan University, Taipei 106, Taiwan
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Ho KL, Chen YY, Lee DJ. Functional consortia for cresol-degrading activated sludges: toxicity-to-extinction approach. BIORESOURCE TECHNOLOGY 2010; 101:9000-9005. [PMID: 20655745 DOI: 10.1016/j.biortech.2010.06.148] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2010] [Revised: 06/22/2010] [Accepted: 06/28/2010] [Indexed: 05/29/2023]
Abstract
The conventional roll tube and plating techniques are typically time consuming and can culture in vitro only a small fraction of microbes in natural microflora. This study utilizes a novel, simple, and rapid method, the toxicity-to-extinction approach, to obtain the minimal functional consortium that can effectively degrade meta- (m-), para- (p-), and ortho- (o-) cresols. The original sludge had 16 major bands by denaturing gradient gel electrophoresis (DGGE). Microbial diversity decreased as the cresol concentration increased. The functional strains acquired under toxic stress by dosed cresols that individually degraded m-, p-, and o-cresols were identified. Catechol 1,2-dioxygenase (C12D) and catechol 2,3-dioxygenase (C23D) activities in cell-free extracts were determined spectrophotometrically and were correlated with noted changes in microbial communities under cresol stress. The proposed toxicity-to-extinction approach is feasible for isolating a functional consortium from sludge for cresol degradation.
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Affiliation(s)
- Kuo-Ling Ho
- Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan
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Functional consortium for denitrifying sulfide removal process. Appl Microbiol Biotechnol 2009; 86:353-8. [DOI: 10.1007/s00253-009-2367-z] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2009] [Revised: 11/10/2009] [Accepted: 11/13/2009] [Indexed: 11/30/2022]
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