Results 81 to 90 of about 13,523 (239)

An atlas of plant selenium metabolism

open access: yesNew Phytologist, EarlyView.
Summary Selenium (Se) is not only a rare and toxic element but also an essential micronutrient for humans and animals that is often in short supply. Terrestrial plants do not require Se, but it can have growth‐promoting or negative effects, depending on the exposure level.
Jeroen van der Woude   +3 more
wiley   +1 more source

Thiamine antagonists trigger p53-dependent apoptosis in differentiated SH-SY5Y cells

open access: yesScientific Reports, 2017
Accumulating evidences suggest that p53 is a key coordinator of cellular events triggered by oxidative stress often associated with the impairment in thiamine metabolism and its functions.
Sergiy Chornyy   +2 more
doaj   +1 more source

THIAMINE SUPPLEMENT THERAPY IMPROVES EJECTION FRACTION VALUE IN STAGE II HEART FAILURE PATIENTS

open access: yesFolia Medica Indonesiana, 2017
Thiamine, also called vitamin B1, is a water soluble vitamin that is involved in the formation of ATP in cells. The active metabolite of thiamine is a co-enzyme thiamine pyrophosphate (TPP) that plays an active role in carbohydrate metabolism and the ...
Rafi Jikrona   +2 more
doaj   +1 more source

Evolutionary analysis of the TPP-dependent enzyme family [PDF]

open access: yes, 2008
The evolutionary relationships of the thiamine pyrophosphate (TPP)-dependent family of enzymes was investigated by generation of a neighbor joining phylogenetic tree using sequences from the conserved pyrophosphate (PP) and pyrimidine (Pyr) binding ...
Costelloe, S.J., Dalby, P.A., Ward, J.M.
core  

Inhibition of Fructose-1,6-bisphosphatase by Aminoimidazole Carboxamide Ribotide Prevents Growth of Salmonella enterica purH Mutants on Glycerol [PDF]

open access: yes, 2006
The enzyme fructose-1,6-bisphosphatase (FBP) is key regulatory point in gluconeogenesis. Mutants of Salmonella enterica lacking purH accumulate 5-amino-4-imidazole carboxamide ribotide (AICAR) and are unable to utilize glycerol as sole carbon and energy ...
Boyd, Jeffrey M.   +2 more
core   +1 more source

Biosynthetic Pathway of Thiamine Pyrophosphate: a Special Reference to the Thiamine Monophosphate-Requiring Mutant and the Thiamine Pyrophosphate-Requiring Mutant of Escherichia coli [PDF]

open access: yesJournal of Bacteriology, 1972
Two types of mutants of Escherichia coli were isolated, one of which (mutant 70-23-107) responded to thiamine pyrophosphate, and the other (mutant 70-23-102) to thiamine monophosphate and thiamine pyrophosphate. They were produced by further mutation of a thiamine auxotroph of E.
H, Nakayama, R, Hayashi
openaire   +2 more sources

The Structure of Carboxyl Methyltransferase Provides Insights Into the Substrate Specificity and Divergent Evolution of Iridoid

open access: yesPlant Biotechnology Journal, EarlyView.
ABSTRACT Iridoids constitute a prominent class of plant‐specialised metabolites, with carbocyclic iridoids (e.g., geniposide) and secoiridoids (e.g., loganin) diverging early in their biosynthetic pathways. This divergence is marked by substrate‐specific carboxyl methyltransferases—GjGAMT and CrLAMT—that catalyse the decisive methylation step in ...
Li Li   +7 more
wiley   +1 more source

Glucose-induced down regulation of thiamine transporters in the kidney proximal tubular epithelium produces thiamine insufficiency in diabetes [PDF]

open access: yes, 2012
Increased renal clearance of thiamine (vitamin B1) occurs in experimental and clinical diabetes producing thiamine insufficiency mediated by impaired tubular re-uptake and linked to the development of diabetic nephropathy.
A Adaikalakoteswari   +42 more
core   +7 more sources

Riboswitches as Drug Targets for Antibiotics

open access: yesAntibiotics, 2021
Riboswitches reside in the untranslated region of RNA and regulate genes involved in the biosynthesis of essential metabolites through binding of small molecules.
Vipul Panchal, Ruth Brenk
doaj   +1 more source

High-resolution structures of Lactobacillus salivarius transketolase in the presence and absence of thiamine pyrophosphate. [PDF]

open access: hybridActa Crystallogr F Struct Biol Commun, 2015
Lukacik P   +6 more
europepmc   +3 more sources

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