ornithine


Also found in: Dictionary, Medical, Encyclopedia, Wikipedia.
Related to ornithine: Ornithine cycle, Ornithine decarboxylase, Ornithine transcarbamylase deficiency
Graphic Thesaurus  🔍
Display ON
Animation ON
Legend
Synonym
Antonym
Related
  • noun

Words related to ornithine

an amino acid that does not occur in proteins but is important in the formation of urea

References in periodicals archive ?
The OTC gene is encoded on the X chromosome and is expressed in the mitochondrial matrix of the small intestine and liver, where it catalyzes the synthesis of citrulline from carbamoyl phosphate and ornithine (2).
ABOUT POWERED ON NATURAL ENERGY Powered ON is the first and only beverage to feature a proprietary blend of ornithine and caffeine.
Oxidase, catalase, ornithine, and lysine decarboxylase were produced, but not arginine dihydrolase, [beta]-galactosidase, or [H.
2] partial pressure; IEM, inborn error of metabolism; OTC, ornithine transcarbamylase; CVVH, continuous venovenous hemofiltration.
Zajac A, Poprzecki S, Zebrowska A, Chalimoniuk M, Langfort J (2010) Arginine and ornithine supplementation increases growth hormone and insulin-like growth factor-1 serum levels after heavy-resistance exercise in strength-trained athletes.
Only ornithine was downregulated in patients with schizophrenia, with the remaining upregulated.
Nearly all of the proteins altered in significant amounts were identified as enzymes associated with important metabolic pathways, such as alcohol dehydrogenase, glyceraldehyde-3-phosphate dehydrogenase (GAPDH), Xaa-His dipeptidase, ornithine carbamoyltransferase, putative O-acetylserine lyase, enolase (2-phosphoglycerate dehydratase), fructose-bisphosphate aldolase, and cysteine synthase.
2]S - - - Gas + - - Gelatin Liquification + + + Starch Hydrolysis - - - ONPG - - - Lysine decarboxylase + + + Ornithine decarboxylase + + + Tentative identification Pseudomonas Bacillus Bacillus aeruginosa cereus cereus (St1) (St2) (St3) Isolates/Tests Iso 4 Iso 5 Gram stain - ve - ve Shape Short Rod Short Rod Endospore - - Motility + + Oxidase + + Catalase + + Urease + + Indole - + MR--VP - - Citrate + + Utilization TSI Butt A K Slant K K [H.
Clinical and laboratory observations of thirty-two Japanese male patients with ornithine transcarbamylase deficiency.
DMFO (alpha-difluoromethylornithine, also known as eflornithine) irreversibly inhibits ornithine decarboxylase, an enzyme unregulated in many tumors.
However, the expression of all the enzymes necessary for the synthesis of Arg is restricted to the liver and the intestine mucosa, where citrulline is formed by the action of P-5-C synthetase and ornithine aminotransferase, which can be immediately converted into Arg (WU, 1997) or released into the blood stream.
Jamie, from Cumbria, was being treated for several weeks at Newcastle's Royal Victoria Infirmary late last year for a rare, life-threatening metabolic disorder, ornithine carbamoyl transferase deficiency.
The metabolism of arginine--one of the major amino acids found in grape must--by wine yeast leads to production of ornithine and urea.
Both products were analyzed at a commercial analysis laboratory (Analycen, Moss, Norway) using reference methods EU DIR 71/393m (water) [14], EU DIR 93/28m (protein) [15], EU 98/64 (cysteine, methionine, aspartic acid, threonine, serine, glutamic acid, proline, glycine, alanine, valine, isoleucine, leucine, tyrosine, phenylalanine, histidine, ornithine, lysine, arginine, hydroxyproline, tryptophan, and taurine) [16], NS-EN ISO 11885 (iron) [17] and AOAC 952.
Arginine is a basic amino acid and serves as an essential precursor for the synthesis of biologically important molecules such as protein, ornithine, proline, polyamines, creatinine, nitric oxide and agmatine (Wu and Morris, 1998).