نتایج جستجو برای: bisphosphate aldolase
تعداد نتایج: 9376 فیلتر نتایج به سال:
An isolate of Fusarium solani, NRRL 18883, produces the natural phytotoxin 2,5-anhydro-D-glucitol (AhG). This fungal metabolite inhibited the growth of roots (150 of 1.6 mM), but it did not have any in vitro inhibitory activity. The mechanism of action of AhG requires enzymatic phosphorylation by plant glycolytic kinases to yield AhG-1,6-bisphosphate (AhG-1,6-bisP), an inhibitor of Fru-1,6-bisP...
Mutants of mucoid Pseudomonas aeruginosa defective in fructose-bisphosphate aldolase (FBA), NADP-linked glyceraldehyde-3-phosphate dehydrogenase (GAP) or 3-phosphoglycerate kinase (PGK) were unable to grow on gluconeogenic precursors like glutamate, succinate or lactate. The gap and pgk mutants could grow on glucose, gluconate or glycerol, but fba mutants could not. This suggests that the metab...
A bifunctional aldolase/kinase enzyme named DLF has been constructed by gene fusion through overlap extension. This fusion enzyme consists of monomeric fructose-1,6-bisphosphate aldolase (FBPA) from Staphylococcus carnosus and the homodimeric dihydroxyacetone kinase (DHAK) from Citrobacter freundii CECT 4626 with an intervening linker of five amino acid residues. The fusion protein was expresse...
Glucose is catabolized in yeast via two fundamental routes, glycolysis and the oxidative pentose phosphate pathway, which produces NADPH and the essential nucleotide component ribose-5-phosphate. Here, we describe riboneogenesis, a thermodynamically driven pathway that converts glycolytic intermediates into ribose-5-phosphate without production of NADPH. Riboneogenesis begins with synthesis, by...
The catalytic activity of ribulosebisphosphate carboxylase (Rubisco) declined as soon as catalysis was initiated by exposure to its substrate, d-ribulose-1,5-bisphosphate (ribulose-P(2)). The decline continued exponentially, with a half-time of approximately 7 minutes until, eventually, a steady state level of activity was reached which could be as low as 15% of the initial activity. The ratio ...
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