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C J McClain et al.
Gut, 21(4), 318-323 (1980-04-01)
Blood methanethiol and ammonia concentrations were measured in 16 healty volunteers, 52 consecutive alcoholic cirrhotics without overt hepatic encephalopathy (HE), and 42 consecutive patients with alcoholic liver disease and overt HE. The mean concentration of blood methanethiol was significantly greater
Jinshan Li et al.
Applied microbiology and biotechnology, 97(2), 585-597 (2012-08-07)
Paenibacillus polymyxa can produce the (R,R)-stereoisomer of 2,3-butanediol (2,3-BDL) which is industrially very useful. Two important factors affecting (R,R)-BDL production by P. polymyxa ATCC 12321, medium composition, and addition of acetic acid to the culture were investigated in this study
Sung-Hyuk Han et al.
New biotechnology, 30(2), 166-172 (2012-09-20)
2,3-Butanediol (2,3-BDO) is a value-added chemical with great potential for the industrial production of synthetic rubber, plastic and solvent. For microbial production of 2,3-BDO, in this study, Klebsiella oxytoca NBRF4 was constructed by chemical mutation and screening against NaBr, NaBrO(3)
Ailong Wang et al.
PloS one, 7(7), e40442-e40442 (2012-07-14)
2,3-Butanediol (BD) is considered as one of the key platform chemicals used in a variety of industrial applications. It is crucial to find an efficient sugar-utilizing strain and feasible carbon source for the economical production of BD. Efficient BD production
Chiam Yu Ng et al.
Microbial cell factories, 11, 68-68 (2012-05-30)
2,3-Butanediol is a chemical compound of increasing interest due to its wide applications. It can be synthesized via mixed acid fermentation of pathogenic bacteria such as Enterobacter aerogenes and Klebsiella oxytoca. The non-pathogenic Saccharomyces cerevisiae possesses three different 2,3-butanediol biosynthetic
Taowei Yang et al.
World journal of microbiology & biotechnology, 28(4), 1563-1574 (2012-07-19)
The effects of culture conditions on 2,3-butanediol (2,3-BD) production and its possible scale-up have been studied. A newly isolated Bacillus amyloliquefaciens B10-127, belonged to GRAS microorganisms and showed a remarkable 2,3-BD producing potency, was used for this experiment. Corn steep
Xiao-Jun Ji et al.
Biotechnology advances, 29(3), 351-364 (2011-01-29)
2,3-butanediol is a promising bulk chemical due to its extensive industry applications. The state-of-the-art nature of microbial 2,3-butanediol production is reviewed in this paper. Various strategies for efficient and economical microbial 2,3-butanediol production, including strain improvement, substrate alternation, and process
Thomas Häßler et al.
Bioresource technology, 124, 237-244 (2012-09-20)
Fed-batch fermentations for the production of 2,3-butanediol (BDL) with Paenibacillus polymyxa DSM 365 were investigated in 2-L-fermenters. A suitable micro-aerobic set-up enabled high product selectivity of up to 98% R,R-BDL towards meso-BDL and acetoin. Up to 111 g L(-1)R,R-BDL within
A V Moshkin
Laboratornoe delo, (2)(2), 48-52 (1989-01-01)
Stabilization with dithiothreitol, together with optimization of Mg2+ and EDTA concentrations in the reaction mixture and storage of the CSF samples for 24 hrs at +4 degrees C, has been carried out for the first time to improve the sensitivity
Lixiang Li et al.
Journal of bacteriology, 194(15), 4133-4134 (2012-07-21)
Both Bacillus licheniformis strains 10-1-A and 5-2-D are efficient producers of 2,3-butanediol. Here we present 4.3-Mb and 4.2-Mb assemblies of their genomes. The key genes for the regulation and metabolism of 2,3-butanediol production were annotated, which may provide further insights
Yuzhen Zhang et al.
Bioresource technology, 121, 100-104 (2012-08-04)
Pretreatment is necessary for lignocellulose to achieve a highly efficient enzymatic hydrolysis and fermentation. However, coincident with pretreatment, compounds inhibiting microorganism growth are formed. Some tissues or cells, such as thin-walled cells that easily hydrolyze, will be excessively degraded because
Norihiro Kobayashi et al.
Steroids, 67(10), 827-833 (2002-09-17)
Urinary levels of sulfated metabolites of lithocholic acid (LCA) are expected to be a useful index of liver function. Thus, a sensitive, specific, and feasible enzyme-linked immunosorbent assay (ELISA) of these sulfated LCA metabolites (LCA-Suls) should be established. A newly
Muktak Aklujkar et al.
BMC genomics, 13, 690-690 (2012-12-12)
The bacterium Pelobacter carbinolicus is able to grow by fermentation, syntrophic hydrogen/formate transfer, or electron transfer to sulfur from short-chain alcohols, hydrogen or formate; it does not oxidize acetate and is not known to ferment any sugars or grow autotrophically.
B Marescau et al.
Metabolism: clinical and experimental, 44(5), 584-588 (1995-05-01)
To investigate the metabolic relationship between urea and guanidinosuccinic acid (GSA), we determined the levels of the guanidino compounds, including GSA, and urea in serum and urine of cirrhotic patients. Linear correlation studies between serum urea and GSA levels were
Tao-Wei Yang et al.
Applied microbiology and biotechnology, 97(17), 7651-7658 (2013-06-26)
Cultivation in glycerol instead of sugars inhibits 2,3-butanediol (2,3-BD) production by Bacillus amyloliquefaciens. In this study, we report that B. amyloliquefaciens readily produces 2,3-BD from biodiesel-derived glycerol in the presence of beet molasses as a co-substrate. Unexpectedly, the molasses stimulated
Bioconversion of pentoses to 2,3-butanediol by Klebsiella pneumoniae.
N B Jansen et al.
Advances in biochemical engineering/biotechnology, 27, 85-99 (1983-01-01)
V Walker et al.
Clinical chemistry, 35(7), 1460-1466 (1989-07-01)
Using analytical procedures that are widely used by laboratories investigating metabolic disorders, we investigated urinary organic acid excretion by premature neonates who were receiving the usual clinical care. Our purpose was to provide a basis for the diagnosis of inherited
Magalie Celton et al.
Metabolic engineering, 14(4), 366-379 (2012-06-20)
Controlling the amounts of redox cofactors to manipulate metabolic fluxes is emerging as a useful approach to optimizing byproduct yields in yeast biotechnological processes. Redox cofactors are extensively interconnected metabolites, so predicting metabolite patterns is challenging and requires in-depth knowledge
Natalia Malfanova et al.
Archives of microbiology, 195(1), 9-17 (2012-09-08)
Twenty endophytic bacteria were isolated from surface-sterilized stems and roots of cucumber plants. After removal of potential siblings and human pathogens, the remaining seven strains were identified based on their 16S rDNA as Pseudomonas fluorescens (2 strains) and P. putida
N Tamasawa et al.
Lipids, 28(9), 833-836 (1993-09-01)
An analytical method for the determination of cholesterol sulfate (CS) in plasma using gas-liquid chromatography was developed. We measured plasma CS concentrations in patients with liver cirrhosis and hypercholesterolemia as examples of disorders that involve aberrations in cholesterol metabolism. Patients
Natsuo Ueda et al.
Neuropharmacology, 48(8), 1079-1085 (2005-05-25)
It is widely accepted that fatty acid amide hydrolase (FAAH) plays a central role in the hydrolysis of anandamide. However, we found a second N-acylethanolamine hydrolase in animal tissues which hydrolyzed anandamide at acidic pH. This "acid amidase" was first
Laurent Imbert et al.
Journal of analytical toxicology, 38(9), 676-680 (2014-09-05)
A liquid chromatography coupled with electrospray tandem mass spectrometry method was developed for the analysis of ethylene glycol, diethylene glycol, triethylene glycol, 1,4-butanediol, 1,2-butanediol, 2,3-butanediol, 1,2-propanediol and 1,3-propanediol, in serum after a Schotten-Baumann derivatization by benzoyl chloride. Usual validation parameters
Luc A Cynober
Nutrition (Burbank, Los Angeles County, Calif.), 18(9), 761-766 (2002-09-26)
The plasma concentration of an amino acid (AA) is the result of its rates of appearance (Ra) in and disappearance (Rd) from plasma. As for most nutrients, AA Ra and Rd are tightly regulated and at the postabsorptive state Ra
Hsin-Chih Lai et al.
Journal of leukocyte biology, 92(4), 807-814 (2012-07-18)
The natural compound 2,3-BTD has diverse physiological effects in a range of organisms, including acting as a detoxifying product of liver alcohol metabolism in humans and ameliorating endotoxin-induced acute lung injury in rats. In this study, we reveal that 2,3-BTD
Sang Heum Shin et al.
Journal of bacteriology, 194(10), 2736-2737 (2012-04-27)
Here we report the full genome sequence of Klebsiella pneumoniae KCTC 2242,consisting of a 5.26-Mb chromosome (57.6% GC%; 5,035 genes [4,923 encoding known proteins, 112 RNA genes]) and a 202-kb plasmid (50.2% GC%; 229 genes [229 encoding known proteins]).
Simultaneous determination of plasma phenethylamine, phenylethanolamine, tyramine and octopamine by high-performance liquid chromatography using derivatization with fluorescamine.
T Yonekura et al.
Journal of chromatography, 427(2), 320-325 (1988-06-03)
Borim Kim et al.
Journal of microbiology and biotechnology, 22(9), 1258-1263 (2012-07-21)
2,3-Butanediol (2,3-BD) is a major metabolite produced by Klebsiella pneumoniae KCTC2242, which is a important chemical with wide applications. Three genes important for 2,3-BD biosynthesis acetolactate decarboxylase (budA), acetolactate synthase (budB), and alcohol dehydrogenase (budC) were identified in K. pneumoniae
Y Yoshida
[Hokkaido igaku zasshi] The Hokkaido journal of medical science, 60(2), 183-194 (1985-03-01)
Methionine is a sulfur-containing essential amino acid and there are optic isomers of L- and D-type. It has been known that there are two metabolic pathways in methionine metabolism-the transsulfuration and the transamination. The purposes of the present investigation are
A Sakai et al.
Journal of biochemistry, 105(2), 275-280 (1989-02-01)
We have prepared a disulfide cross-linked hybrid consisting of human chorionic gonadotropin and the toxic ricin A chain, utilizing N-succinimidyl-3-(2-pyridyldithio)-propionate. The purified hybrid exhibited cytotoxicity toward rat testis Leydig cells due to inhibition of protein synthesis within the cells, although
B Z S Paul et al.
Journal of thrombosis and haemostasis : JTH, 1(4), 814-820 (2003-07-23)
The integrin alphavbeta3 mediates platelet adhesion to the matrix protein osteopontin and likely is the predominant integrin mediating platelet adhesion to the matrix protein vitronectin. To address the mechanism that regulates alphavbeta3 activity in platelets, we measured the effect of
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