Engineering the cellulolytic bacterium, Clostridium thermocellum, to co-utilize hemicellulose

Chou, Katherine J.; Croft, Trevor; Hebdon, Skyler D.; Magnusson, Lauren R.; Xiong, Wei; Reyes, Luis H.; Chen, Xiaowen; Miller, Emily J.; Riley, Danielle M.; Dupuis, Sunnyjoy; Laramore, Kathrin A.; Keller, Lisa M.; Winkelman, Dirk; Maness, Pin-Ching

doi:10.1016/j.ymben.2024.03.008

Metabolic Engineering

2024

DOI: 10.1016/j.ymben.2024.03.008

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Engineering the cellulolytic bacterium, Clostridium thermocellum, to co-utilize hemicellulose

Katherine J. Chou,

Trevor Croft,

Skyler D. Hebdon

et al.

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Cited by 5 publications

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“…One of the challenges, however, is incomplete feedstock utilization by the microbial systems due to biomass recalcitrance and low accessibility to the sugars embedded in the biomass. Recent research has shown increased H 2 production using Clostridium thermocellum engineered to co-utilize both cellulose and hemicellulose in waste plant biomass (i.e., lignocellulose) through consolidated bioprocessing (CBP) (Xiong et al, 2018;Chou et al, 2024).…”

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Biohydrogen: prospects for industrial utilization and energy resiliency in rural communities

Mandalika,

Chou,

Decker

2024

Front. Ind. Microbiol.

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Biohydrogen (bioH2) production in rural regions of the United States leveraged from existing biomass waste streams serves two extant needs: rural energy resiliency and decarbonization of heavy industry, including the production of ammonia and other H2-dependent nitrogenous products. We consider bioH2 production using two different strategies: (1) dark fermentation (DF) and (2) anaerobic digestion followed by steam methane reforming of the biogas (AD-SMR). Production of bioH2 from biomass waste streams is a potentially ‘greener’ pathway in comparison to natural gas-steam methane reforming (NG-SMR), especially as fugitive emissions from these wastes are avoided. It also provides a decarbonizing potential not found in water-splitting technologies. Based on literature on DF and AD of crop residues, woody biomass residues from forestry wastes, and wastewaters containing fats, oils, and grease (FOG), we outline scenarios for bioH2 production and displacement of fossil fuel derived methane. Finally, we compare the costs and carbon intensity (CI) of bioH2 production with those of other H2 production pathways.

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confidence: 99%

Biohydrogen: prospects for industrial utilization and energy resiliency in rural communities

Mandalika,

Chou,

Decker

2024

Front. Ind. Microbiol.

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Recent Advances in Bioethanol Production from Rice Straw: Strategies, New Concepts, and Challenges

Sukma,

Budiyono,

Al-Baarri

2024

Int J Environ Res

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A synergistic fermentation system of probiotics with low-cost and high butyric acid production: Lactiplantibacillus plantarum and Clostridium tyrobutyricum

Zhou,

Wang,

Duan

et al. 2024

Food Bioscience

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Engineering the cellulolytic bacterium, Clostridium thermocellum, to co-utilize hemicellulose

Cited by 5 publications

References 65 publications

Biohydrogen: prospects for industrial utilization and energy resiliency in rural communities

Biohydrogen: prospects for industrial utilization and energy resiliency in rural communities

Recent Advances in Bioethanol Production from Rice Straw: Strategies, New Concepts, and Challenges

A synergistic fermentation system of probiotics with low-cost and high butyric acid production: Lactiplantibacillus plantarum and Clostridium tyrobutyricum

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