Results 141 to 150 of about 841 (169)
Clostridium beijerinckii displays a soluble [FeFe]-hydrogenase/formate dehydrogenase enzyme complex that links H2 and CO2 metabolism. [PDF]
Biochem JDezzani S +3 more
europepmc +1 more source
Genome-Wide Gene Expression Analysis of the Switch Between Acidogenesis and Solventogenesis in Continuous Cultures of Clostridium acetobutylicum [PDF]
Journal of Molecular Microbiology and Biotechnology, 2011 Clostridium acetobutylicum is able to switch from acidogenic growth to solventogenic growth. We used phosphate-limited continuous cultures that established acidogenic growth at pH 5.8 and solventogenic growth at pH 4.5. These cultures allowed a detailed transcriptomic study of the switch from acidogenesis to solventogenesis that is not superimposed by ...
Armin Ehrenreich +2 more
exaly +9 more sources
Enhanced Solventogenesis in Syngas Bioconversion: Role of Process Parameters and Thermodynamics [PDF]
Chemosphere, 2022 Biofuels, such as ethanol and butanol, obtained from carbon monoxide-rich gas or syngas bioconversion (solventogenesis) are an attractive alternative to traditional fermentation processes with merits of no competition with food production and sustainability.
Christian Kennes +2 more
exaly +5 more sources
Chemical Communications, 2019 A microbial electrosynthesis cell comprising two biological cathode chambers sharing the same anode compartment is used to promote the production of C2–C4 carboxylic acids and alcohols from carbon dioxide.
Jens O Krömer +2 more
exaly +7 more sources
Bioresource Technology, 2013 Clostridium acetobutylicum exhibits a two-step metabolic pathway where substrates are first converted to organic acids accompanied by a decrease in pH. The acids are then assimilated to organic solvents. The transition from the acid-producing (acidogenesis) to the solvent-producing phase (solventogenesis) is controlled by integration of a number of ...
Supreet Saini +2 more
exaly +5 more sources
Molecular Genetics and the Initiation of Solventogenesis in Clostridium beijerinckii (Formerly Clostridium acetobutylicum) NCIMB 8052. [PDF]
FEMS Microbiology Reviews, 1995 A physical map of the Clostridium beijerinckii (formerly Clostridium acetobutylicum) NCIMB 8052 chromosome has been constructed, encompassing about 90 rare restriction sites. The 14 rrn operons together with about 40 genes have been assigned positions on the map.
J G Morris
exaly +6 more sources
Nutrient Limitation of Two Saccharolytic Clostridia: Secretion, Sporulation, and Solventogenesis [PDF]
FEMS Microbiology Ecology, 1990 Growth of the cellulolytic acidogen Clostridium strain C7 undergoing progressive nutrient limitation has been compared with that of the solventogen Clostridium beijerinckii. On the basis of cellulase secretion, differentiation of dissimilatory metabolism, and sporulation, different survival strategies by the two clostridia in progressive nutrient ...
Robin Ross +3 more
exaly +4 more sources
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Growth Rate Dependence of Solventogenesis and Solvents Produced byClostridium beijerinckii
Applied Microbiology and Biotechnology, 1988Acidogenesis and solventogenesis byClostridium beijerinckii NRRL B-593 has been studied in batch growth, and in sucrose-limited chemostat and recycling fermentor growth. Cells grown in batch culture without pH control primarily produced either butyric and acetic acids, or these acids plus butanol, ethanol and isopropanol in ratios depending on the ...
V K Mathur, R A Ross
exaly +2 more sources
Solventogenesis in Clostridium aceticum Producing High Concentrations of Ethanol From Syngas
Bioresource Technology, 2019The ethanol production capability of Clostridium aceticum was investigated and optimized, in order to evaluate the ability of that organism to produce high concentrations of fuel-ethanol. The results showed that C. aceticum can produce significant amounts of ethanol when a natural pH drop occurs in the fermentation broth as a consequence of acetic acid
Haris Nalakath Abubackar +2 more
exaly +3 more sources
Biotechnology Letters, 1996
The relationship between solventogenesis, heat shock, and DNA topology in Clostridium acetobutylicum was investigated by inhibiting DNA gyrase in vivo by high concentrations of novobiocin. Primer extension and Northern blot analyses revealed that expression of genes required for solventogenesis and heat shock response was induced in the presence of ...
A Kuhn
exaly +2 more sources
The relationship between solventogenesis, heat shock, and DNA topology in Clostridium acetobutylicum was investigated by inhibiting DNA gyrase in vivo by high concentrations of novobiocin. Primer extension and Northern blot analyses revealed that expression of genes required for solventogenesis and heat shock response was induced in the presence of ...
A Kuhn
exaly +2 more sources