The Lactate dehydrogenases (LDH) are key metabolic enzymes in lactic acid bacteria (LAB). The LDH ( E.C. 184.108.40.206) catalyzes the reaction of pyruvate and NADH into lactate and NAD+.We have carried out an experimental and computational study of the effects of fructose-1,6-bisphosphate (FBP), phosphate (Pi) and ionic strength (NaCl concentration) on 3 LDHs from 3 LABs studied at pH 6 and pH 7.
SEEK ID: https://fairdomhub.org/studies/83
Experimentalists: Silvio Hering
Created: 2nd Apr 2012 at 14:43
Challenge: Comparative analyses, as demonstrated by comparative genomics and bioinformatics, are extremely powerful for (i) transfer of information from (experimentally) well-studied organisms to the other organisms, and (ii) when coupled to functional and phenotypic information, insight in the relative importance of components to the observed differences and simalities. The central principle of this proposal is that important aspects of the functional differences between organisms derive not
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Studies: Comparative modeling and phosphate dependence flux distributions and glu..., Kinetics of L-lactate dehydrogenase from S. pyogenes, E. faecalis and L...., Reconstructing the metabolic pathways of S. pyogenes and E. faecalis fro..., Study of the physiological characterization of three lactic acid bacteri...
Assays: BIOLOG substrate utilization assay, Genome-Scale Model Enterococcus faecalis V583, Genome-scale model of Streptococcus pyogenes, Global sensitivity analysis, Glucose pulsed L. lactis, Glucose pulsed S. pyogenes, Kinetics of L-lactate dehydrogenase from L. lactis, Kinetics of L-lactate dehydrogenase from S. pyogenes, E. faecalis, and L..., Maximal specific growth rates of the three lactic acid bacteria and thei..., Model of L. lactis glycolysis, Physiological characterization of Lactic acid bacteria grown in C-limite..., Regulation of the activity of lactate dehydrogenases from four lactic ac...
Measurements on Km, Vmax and allosteric activation or inhibition of the heterologously expressed (E. coli) and purifiied main L-lactate dehydrogenase
Contributor: Martijn Bekker
Assay type: Enzymatic Assay
Technology type: Enzymatic Activity Measurements
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Investigation: Investigation of glycolysis and pyruvate branch...
Heterologous Expression of LDHs from different lactic acid bacteria in Escherichia coli DH5α.
Assessment of kinetic parameters of LDH to include in a catabolic model.