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Article

Extremely Halophilic Biohydrogen Producing Microbial Communities from High-Salinity Soil and Salt Evaporation Pond

1
Department of Environmental Engineering, Institut Teknologi Nasional Bandung, Jawa Barat 40124, Indonesia
2
Graduate School of Sciences and Technology for Innovation, Yamaguchi University, Yamaguchi 755-8611, Japan
3
Department of Environmental Engineering and Management, Faculty of Environment, Kasetsart University, Bangkok 10900, Thailand
4
Department of Biotechnology, Faculty of Technology, Khon Kaen University, Khon Kaen 40002, Thailand
5
Research Group for Development of Microbial Hydrogen Production Process from Biomass, Khon Kaen University, Khon Kaen 40002, Thailand
6
Academy of Science, Royal Society of Thailand, Bangkok 10300, Thailand
*
Author to whom correspondence should be addressed.
Academic Editor: Badie Morsi
Fuels 2021, 2(2), 241-252; https://doi.org/10.3390/fuels2020014
Received: 16 March 2021 / Revised: 23 May 2021 / Accepted: 1 June 2021 / Published: 10 June 2021
(This article belongs to the Special Issue Biomass Conversion to Biofuels)
Extreme halophiles offer the advantage to save on the costs of sterilization and water for biohydrogen production from lignocellulosic waste after the pretreatment process with their ability to withstand extreme salt concentrations. This study identifies the dominant hydrogen-producing genera and species among the acclimatized, extremely halotolerant microbial communities taken from two salt-damaged soil locations in Khon Kaen and one location from the salt evaporation pond in Samut Sakhon, Thailand. The microbial communities’ V3–V4 regions of 16srRNA were analyzed using high-throughput amplicon sequencing. A total of 345 operational taxonomic units were obtained and the high-throughput sequencing confirmed that Firmicutes was the dominant phyla of the three communities. Halanaerobium fermentans and Halanaerobacter lacunarum were the dominant hydrogen-producing species of the communities. Spatial proximity was not found to be a determining factor for similarities between these extremely halophilic microbial communities. Through the study of the microbial communities, strategies can be developed to increase biohydrogen molar yield. View Full-Text
Keywords: high-throughput sequencing; Halanaerobium fermentans; extreme halophiles; biohydrogen high-throughput sequencing; Halanaerobium fermentans; extreme halophiles; biohydrogen
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MDPI and ACS Style

Taroepratjeka, D.A.H.; Imai, T.; Chairattanamanokorn, P.; Reungsang, A. Extremely Halophilic Biohydrogen Producing Microbial Communities from High-Salinity Soil and Salt Evaporation Pond. Fuels 2021, 2, 241-252. https://doi.org/10.3390/fuels2020014

AMA Style

Taroepratjeka DAH, Imai T, Chairattanamanokorn P, Reungsang A. Extremely Halophilic Biohydrogen Producing Microbial Communities from High-Salinity Soil and Salt Evaporation Pond. Fuels. 2021; 2(2):241-252. https://doi.org/10.3390/fuels2020014

Chicago/Turabian Style

Taroepratjeka, Dyah A.H., Tsuyoshi Imai, Prapaipid Chairattanamanokorn, and Alissara Reungsang. 2021. "Extremely Halophilic Biohydrogen Producing Microbial Communities from High-Salinity Soil and Salt Evaporation Pond" Fuels 2, no. 2: 241-252. https://doi.org/10.3390/fuels2020014

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