2-3 butanediol
Alleviation of carbon catabolite repression in Enterobacter aerogenes for efficient utilization of sugarcane molasses for 2,3-butanediol production
... cost-effectiveness [18]. In our previous study, disruption of the scrR gene, a transcriptional repressor of the scr regulon for sucrose catabolism, was conducted in Entero- bacter aerogenes for efficient utilization of ...
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Engineered E. coli W enables efficient 2,3-butanediol production from glucose and sugar beet molasses using defined minimal medium as economic basis
... Following successful shake flask screenings, the most promising strain-construct combination E. coli W/445_ Ediss (445_Ediss) was used as a sound basis for the development of an efficient 2,3-butanediol production ...
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Engineering Bacillus licheniformis for the production of meso-2,3-butanediol
... Many microorganisms are capable of producing 2,3- BD, such as Enterobacter, Klebsiella, Serratia, and Bacillus. Among them, Bacillus licheniformis is a prom- ising chassis strain for 2,3-BD production. It is generally ...
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Thermophilic fermentation of acetoin and 2,3-butanediol by a novel Geobacillus strain
... Background: Acetoin and 2,3-butanediol are two important biorefinery platform chemicals. They are currently fermented below 40°C using mesophilic strains, but the processes often suffer from bacterial ...
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Production of 2, 3 butanediol from rennet whey permeate by Klebsiella pneumoniae immobilized in alginate gel : a thesis presented in partial fulfilment of the requirements for the degree of Master of Technology in Biotechnology at Massey University
... Page Effect of lactose concentration during growth on subsequent 2,3-butanediol production by immobilized cells incubation lactose-supplementation whey permeate... Summary of maximum but[r] ...
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Shake flask methodology for assessing the influence of the maximum oxygen transfer capacity on 2,3-butanediol production
... (Fig. 5). The courses of OTR and RQ resemble the pre- vious experiments. The application of the two-stage cultivation strategy results in a short standardized oxy- gen-unlimited growth phase followed by an oxygen-lim- ...
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Engineering Corynebacterium glutamicum for the production of 2,3-butanediol
... Background: 2,3-Butanediol is an important bulk chemical with a wide range of applications. In bacteria, this metab- olite is synthesised from pyruvate via a three-step pathway involving α-acetolactate synthase, ...
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Improved xylose tolerance and 2,3-butanediol production of Klebsiella pneumoniae by directed evolution of rpoD and the mechanisms revealed by transcriptomics
... Results: In this study, the kpC mutant strain was constructed by altering the expression quantity and genotype of the rpoD gene, and this exhibited high xylose tolerance and 2,3‑butanediol production. The xylose ...
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Efficient bioconversion of 2,3-butanediol into acetoin using Gluconobacter oxydans DSM 2003
... Samples were withdrawn periodically and centrifuged at 12,000 × g for 10 minutes. The growth of G. oxydans DSM 2003 was determined by monitoring the absorb- ance at 620 nm using a spectrophotometer (Lengguang 721, ...
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Deletion of meso-2,3-butanediol dehydrogenase gene bud C for enhanced D-2,3-butanediol production in Bacillus licheniformis
... As a valuable compound, D -2,3-butanediol has been widely used as a major composition in solvents, anti- freeze agents, synthetic rubber, and plastics [2]. It can also be used as a potential fuel with a low ...
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Efficient production of 1,3-propanediol from crude glycerol by repeated fed-batch fermentation strategy of a lactate and 2,3-butanediol deficient mutant of Klebsiella pneumoniae
... 4 mL/L HCl (37%, w/v)]. Flasks were incubated at 37 °C for 12 h, and cultures were subsequently inoculated into the growth vessel. Fed-batch fermentations were con- ducted for production of 1,3-PDO in a 5-L ...
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Production of 2, 3 butanediol from rennet whey permeate by Klebsiella pneumoniae immobilized in alginate gel : a thesis presented in partial fulfilment of the requirements for the degree of Master of Technology in Biotechnology at Massey University
... Prior acclimatization of Klebsiella pneumoniae in a medium of high lactose concentration did not result in higher butanediol production by immobilized cells from either ordinary whey per[r] ...
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GC MS analysis of methanol wild plant and callus extracts from three Cissus species, Family Vitaceae
... The callus extract contains certain compounds characteristic of the parent plants such as 2,3-butanediol, 1,3- butanediol, 2-(5H)-furanone, phosphinic acid and benzoic acid in C. xavierensis; ...
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Methyl 3 (2 chloro 5 ethyl 3 pyridyl) 3 hydroxy 2 methylenepropanoate
... C6 0.0322 (5) 0.0314 (5) 0.0317 (5) 0.0026 (4) 0.0092 (4) 0.0013 (4) C7 0.0295 (5) 0.0361 (6) 0.0378 (6) −0.0016 (4) 0.0100 (4) −0.0020 (5) C8 0.0305 (5) 0.0433 (7) 0.0374 (6) −0.0030 (5) 0.0091 (5) −0.0029 (5) C9 0.0506 ...
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(E) 2 Phenyl 3 (2 phenylindolizin 3 yl)acrylonitrile
... N1 0.0709 (14) 0.0619 (13) 0.0771 (15) 0.0144 (13) 0.0024 (13) 0.0076 (12) N2 0.105 (2) 0.125 (2) 0.104 (2) 0.0028 (17) 0.0026 (17) 0.0465 (17) C1 0.0720 (18) 0.0701 (17) 0.0567 (15) 0.0204 (16) ...
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2 Benzoyl 3 (1,2 dioxo 2 phenylethyl) 3 phenyl 2 (pyridin 2 yl)oxirane
... Photoinduced oxygenation reactions of indolizine derivatives have been investigated intensively in our previous study (Tian et al., 2001). In continuation of that work, we have isolated the title compound, (I), which was ...
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Lecture 2-3
... 5 As a result of the commitments and conditions defined in the contract between the software developer and the customer, the activities of software development and maintenance need to [r] ...
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Lecture 2-3
... Output using Insertion Operator **cout: Standard Output Stream... Console Output.[r] ...
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(Z) 2 Thiophen 3 ylmethylene 1 aza bicyclo[2 2 2]octan 3 one
... of 2-(heteroaryl-3-ylmethylene)-1-azabi- ...thiophene- 3-carboxaldeyde with 1-azabicyclo[2.2.2]octan-3-one under base catalysis, to afford a single geometrical ...
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2 [2 Hydroxyimino 2 (3 methyl 3 phenylcyclobutyl)ethyl]isoindole 1,3 dione
... 3-Substituted cyclobutane carboxylic acid derivatives exhibit anti-in¯ammatory and antidepressant activities (Dehmlow & Schmidt, 1990), and also liquid crystal properties (Coghi et al., 1976). Phthalimide ...
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