Biohydrogen Production by Antarctic Psychrotolerant <i>Klebsiella</i> sp. ABZ11

Abdullahi, Muhammad; Abdul‐Wahab, Mohd Firdaus; Hashim, Mazlan; Omar, A.K. Mohd; Reba, Mohd Nadzri Md; Said, Mohd Farid Muhamad; Soeed, Kamaruzaman; Alias, Siti Aisyah; Smykla, Jerzy; Abba, Mustapha; Ibrahim, Zaharah

doi:10.21307/pjm-2018-033

Cited by 7 publications

(3 citation statements)

References 39 publications

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“…Nevertheless, in this temperature range, the thermophiles lose their ability for the production of biogas during sugar fermentation (3). Conversely, the production of biohydrogen at ambient temperatures (25-30°C) has been demonstrated by the same bacterial strain (4,46,47,48). This operational temperature range has been chosen for its wide range of applications in industrial processes and upholds great potential for future hydrogen generation.…”

Section: Production Temperaturementioning

confidence: 99%

Potentials and limitations of cold-adapted hydrogen producing bacteria: A mini review

Mohammed,

Abdul-Wahab,

Mohammed

et al. 2023

Af J Clin Exp Micro

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Low-temperature bacteria have potential to produce biohydrogen and are often considered a potential renewable energy generator for the future. However, the bacteria have presented poor hydrogen yield due to slow metabolic rate and prolonged lag phase often caused by their restricted growth temperature limit. The ineffective search for new biocatalysts from cold environments and the application of modification techniques almost jeopardize the economic viability of these strains in the biohydrogen production research. This article examined cold genetic and enzymatic adaptation potentials that led to the continuous expression of novel biocatalysts of biotechnological importance under the following headings; cold-adapted bacteria, biohydrogen-producing bacteria, strategies for adapting to stress in low temperatures, performance of cold-adapted bacteria in biohydrogen production, challenges of cold-adapted bacteria in biohydrogen production and future prospect. Finding new strains and studying their unique properties can improve the efficiency of hydrogen production by cold-adapted bacteria, as this new area has not yet been extensively studied.

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Section: Production Temperaturementioning

confidence: 99%

Potentials and limitations of cold-adapted hydrogen producing bacteria: A mini review

Mohammed,

Abdul-Wahab,

Mohammed

et al. 2023

Af J Clin Exp Micro

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“…While under thermophilic and hyperthermophilic conditions, Clostridium , Thermoanaerobacterium , Thermotoga and Caldicellulosiruptor dominate (O-Thong 2017 ). Research on biohydrogen production using the lower temperature-adapted psychrophiles and psychrotrophs are still somewhat limited (Alvarado-Cuevas et al 2015 ; Mohammed et al 2018 ). In addition, other genera including Bacillus , Ethanoligenens , Klebsiella , Citrobacter and Escherichia also frequently reported as the biohydrogen producers.…”

Section: Microbiomes In Dark Fermentative Biohydrogen Productionmentioning

confidence: 99%

Microbiomes of biohydrogen production from dark fermentation of industrial wastes: current trends, advanced tools and future outlook

Dzulkarnain

Audu

Dagang

et al. 2022

Bioresour. Bioprocess.

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Biohydrogen production through dark fermentation is very attractive as a solution to help mitigate the effects of climate change, via cleaner bioenergy production. Dark fermentation is a process where organic substrates are converted into bioenergy, driven by a complex community of microorganisms of different functional guilds. Understanding of the microbiomes underpinning the fermentation of organic matter and conversion to hydrogen, and the interactions among various distinct trophic groups during the process, is critical in order to assist in the process optimisations. Research in biohydrogen production via dark fermentation is currently advancing rapidly, and various microbiology and molecular biology tools have been used to investigate the microbiomes. We reviewed here the different systems used and the production capacity, together with the diversity of the microbiomes used in the dark fermentation of industrial wastes, with a special emphasis on palm oil mill effluent (POME). The current challenges associated with biohydrogen production were also included. Then, we summarised and discussed the different molecular biology tools employed to investigate the intricacy of the microbial ecology associated with biohydrogen production. Finally, we included a section on the future outlook of how microbiome-based technologies and knowledge can be used effectively in biohydrogen production systems, in order to maximise the production output.

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“…Dark fermentation is an acidogenic decomposition of carbohydrate rich substrates. Dark fermentation has gained much interest due to its simplicity, high hydrogen production rates, and versatility of potential substrates (Łukajtis et al 2018;Mohammed et al 2018). Potential feedstock for hydrogen production via dark fermentation is discarded lignocellulosic biomass from agriculture, forestry and food processing.…”

Section: Introductionmentioning

confidence: 99%

Direct Fermentative Hydrogen Production from Cellulose and Starch with Mesophilic Bacterial Consortia

Zagrodnik

Seifert

2020

Polish Journal of Microbiology

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Hydrogen produced from lignocellulose biomass is deemed as a promising fuel of the future. However, direct cellulose utilization remains an issue due to the low hydrogen yields. In this study, the long-term effect of inoculum (anaerobic sludge) heat pretreatment on hydrogen production from untreated cellulose and starch was evaluated during repeated batch processes. The inoculum pretreatment at 90°C was not sufficient to suppress H2 consuming bacteria, both for starch and cellulose. Although hydrogen was produced, it was rapidly utilized with simultaneous accumulation of acetic and propionic acid. The pretreatment at 100°C (20 min) resulted in the successful enrichment of hydrogen producers on starch. High production of hydrogen (1.2 l H2/lmedium) and H2 yield (1.7 mol H2/molhexose) were maintained for 130 days, with butyric (1.5 g/l) and acetic acid (0.65 g/l) as main byproducts. On the other hand, the process with cellulose showed lower hydrogen production (0.3 l H2/lmedium) with simultaneous high acetic acid (1.4 g/l) and ethanol (1.2 g/l) concentration. Elimination of sulfates from the medium led to the efficient production of hydrogen in the initial cycles – 0.97 mol H2/molhexose (5.93 mmol H2/gcellulose). However, the effectiveness of pretreatment was only temporary for cellulose, because propionic acid accumulation (1.5 g/l) was observed after 25 days, which resulted in lower H2 production. The effective production of hydrogen from cellulose was also maintained for 40 days in a repeated fed-batch process (0.63 mol H2/molhexose).

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Biohydrogen Production by Antarctic Psychrotolerant Klebsiella sp. ABZ11

Cited by 7 publications

References 39 publications

Potentials and limitations of cold-adapted hydrogen producing bacteria: A mini review

Potentials and limitations of cold-adapted hydrogen producing bacteria: A mini review

Microbiomes of biohydrogen production from dark fermentation of industrial wastes: current trends, advanced tools and future outlook

Direct Fermentative Hydrogen Production from Cellulose and Starch with Mesophilic Bacterial Consortia

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