Results 101 to 110 of about 94,691 (233)

Production of butanol by fermentation in the presence of cocultures of clostridium [PDF]

open access: yes, 1985
Sugars are converted to a mixture of solvents including butanol by a fermentation process employing a coculture of microorganisms of the Clostridium genus, one of said microorganisms favoring the production of butyric acid and the other of which converts
Bergstrom, S. L., Foutch, G. L.
core   +1 more source

Exploiting the Anaerobic Expression of Pyruvate Dehydrogenase for the Production of Biofuels

open access: yes, 2012
The Pyruvate dehydrogense complex (PDH) is a primarily aerobic enzyme which catalyses pyruvate to acetyl-CoA and carbon dioxide. Its counterpart in anaerobic metabolism is pyruvate formate lyase (Pfl) which converts pyruvate to acetyl-CoA and formate.
Crowhurst, Nicola, Crowhurst, Nicola
core   +1 more source

Anaerobic fermentation of glycerol: a platform for renewable fuels and chemicals [PDF]

open access: yes, 2013
To ensure the long-term viability of biorefineries, it is essential to go beyond the carbohydrate-based platform and develop complementing technologies capable of producing fuels and chemicals from a wide array of available materials. Glycerol, a readily
Ahn   +81 more
core   +1 more source

Butyrate kinase from Clostridium acetobutylicum.

open access: yesJournal of Biological Chemistry, 1987
Crude extracts of Clostridium acetobutylicum contain a butyrate kinase of high specific activity (5.2 mumol/min/mg of protein). The enzyme has been purified 77-fold in a six-step procedure to a specific activity of 402 mumol/min/mg of protein. The purified butyrate kinase showed a single band with a molecular weight of 85,000 on nondenaturing ...
openaire   +2 more sources

Calcium butyrate efficacy in pediatric irritable bowel syndrome: Randomized placebo‐controlled multiomics‐based clinical trial

open access: yesJournal of Pediatric Gastroenterology and Nutrition, Volume 81, Issue 3, Page 551-561, September 2025.
Abstract Objective Irritable bowel syndrome (IBS) is one of the most common functional gastrointestinal disorders, and treatment involves nonpharmacological and pharmacological therapies, even if there is no optimal therapy. This randomized, placebo‐controlled, double‐blind trial aimed to evaluate the efficacy of calcium butyrate supplementation in ...
Fernanda Cristofori   +11 more
wiley   +1 more source

Comparative genomic and transcriptomic analysis revealed genetic characteristics related to solvent formation and xylose utilization in Clostridium acetobutylicum EA 2018

open access: yesBMC Genomics, 2011
Background Clostridium acetobutylicum, a gram-positive and spore-forming anaerobe, is a major strain for the fermentative production of acetone, butanol and ethanol. But a previously isolated hyper-butanol producing strain C.
Wang Shengyue   +9 more
doaj   +1 more source

Widespread occurrence of non-phosphorylating glyceraldehyde-3-phosphate dehydrogenase among gram-positive bacteria [PDF]

open access: yes, 2010
The non-phosphorylating glyceraldehyde 3-phosphate dehydrogenase (GAPDHN, NADP+-specific, EC 1.2.1.9) is present in green eukaryotes and some Streptococcus strains.
Abdelaziz Soukri   +4 more
core   +2 more sources

Mathematical modelling of clostridial acetone-butanol-ethanol fermentation [PDF]

open access: yes, 2017
Clostridial acetone-butanol-ethanol (ABE) fermentation features a remarkable shift in the cellular metabolic activity from acid formation, acidogenesis, to the production of industrial-relevant solvents, solventogensis.
A Harder   +168 more
core   +2 more sources

Biological Routes for Biohydrogen Production: A Clean and Carbon‐Free Fuel

open access: yesBiotechnology Journal, Volume 20, Issue 7, July 2025.
Graphical Abstract and Lay Summary Biological routes for hydrogen (H2) production are mainly classified into four pathways: 1) direct bio‐photolysis, 2) indirect bio‐photolysis, 3) photo‐fermentation, and 4) dark fermentation. Of these pathways, dark fermentation produces the highest levels of H2 production.
Minseok Cha   +2 more
wiley   +1 more source

Engineering alternative butanol production platforms in heterologous bacteria [PDF]

open access: yes, 2009
Alternative microbial hosts have been engineered as biocatalysts for butanol biosynthesis. The butanol synthetic pathway of Clostridium acetobutylicum was first re-constructed in Escherichia coli to establish a baseline for comparison to other hosts ...
Alexeyev   +71 more
core   +1 more source

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