30/09/2002 · Abscisic Acid Synthesis and Response
" Biosynthesis of abscisic acid by the direct pathway via ionylideneethane in a fungus, Cercospora cruenta "
Abscisic acid biosynthesis and catabolism.
reported the reversed-phase separation of fatty acids by acomplex two-dimensional TLC employing a catalytic hydrogenationon the plate ().
First description of a direct titration method for analytical hydrogenation todetermine precisely the unsaturation of lipids ().
Discovery of O-amino acid (alanyl and lysyl) esters of phosphatidylglycerol in agram-positive bacteria ().
The first GLC analysis of natural triglycerides from milk fat was reported ().
Hematoside, the ganglioside of horse erythrocytes, is the first ganglioside(GM3) whose structure was elucidated ().
The complete structure of sulfatide (sulfated galactosylceramide) was elucidatedincluding the position of the sulfate group attached to the C3 of galactose ().
Methyl jasmonate was discovered in flowers of jasmine and was shown to be afragrant component in the essential oil from these flowers ().
Discovery of diether-type phospholipids in a an extremely halophilic bacteria () ().
First demonstration of the presence of 2-aminoethylphosphonic acid and itsglycerol ester in lipid extractsof the sea anemone, ().
constructed the first microdistillation device which was capable fractionating a mixture of fatty acid methyl esters (C16 and C18) (). Later on, an improvement of that device was reported ().
Quick AJ found that lipid solvents greatly reduce the coagulant activity of tissue extract (thromboplastin) suggesting that the active substance is a lipoprotein ().
An important component of wax, phthiocerol, is isolated and its global formula determined (
The term "steroids" was coined by () "for the group of compounds comprising the sterols, bile acids, heart poisons, saponins, and sex hormones".
Xanthophylls were named and characterized by Strain HH ().
Regulation of Abscisic Acid Biosynthesis | Plant …
identified a new epoxy-hydroxy fatty acid (hepoxilin) after incubation of blood platelets with arachidonic acid ().
A wound hormone in plant, traumatin, was identified as 12-oxo--10-dodecenoic acid ().
Lysophosphatidylserine was shown to be specifically required for histamine release from rat peritoneal mast cells stimulated by concanavalin A, this lyso compound being 1000 times more potent than diacylphosphatidylserine ().
Their work established the relationships between fatty acids, prostaglandins, thromboxanes and leukotrienes (they discovered) and helped explain the effects on the body of aspirin, the world's most widely used drug.
Nakamura T et al.
ABSCISIC ACID BIOSYNTHESIS AND CATABOLISM | …
In Cancer cells large fraction of the acetyl-CoA enters into the tricarboxylic acid cycle to generates citrate, which is exported into the cytosol and entering into metabolic reactions catalyzed by the malic enzyme and the isocitrate dehydrogenase 1, that produce large amounts of NADPH[,].
The repeated condensation of acetyl-CoA and malonyl-CoA by the multifunctional enzyme FASN leads to the generation of palmitic acid, a fully saturated 16-carbon FA.
Biosynthesis Of Abscisic acid In Microorganism
Regulation of Abscisic Acid Signaling by the ..
introduction of abscisic acid; latest news about abscisic acid, patents related to abscisic acid
Early abscisic acid signal transduction mechanisms: …
We examined the biosynthetic pathway of abscisic acid (ABA) after isopentenyl diphosphate in a fungus
of an abscisic acid signalling pathway.
Biosynthesis of Abscisic Acid by the Direct Pathway via Ionylideneethane in a Fungus, Cercospora cruenta
which is then further oxidized to ABA
first demonstrates the reliability of a new stratigraphictechnique for climatic assessment utilizing the relative abundance of two C37alkenones in marine sediments ().
First demonstration of a specific receptor-mediated release of 20:4n-6 and22:6n-3 from plasmalogen phospholipids ().
Evidence is given that phosphatidic acid is a lipid second messenger with growthfactor-like properties, stimulating the breakdown of phosphoinositides andcalcium release ().
Demonstration of an inhibition of protein kinase C by sphingosine whichsuggested an important role for that lipid in the regulation of the signaltransduction pathways (, ).
First clear demonstration of a formation of diacylglycerol as second messengerfrom phosphatidylcholine in hormone-stimulated cells ().
Abscisic acid, one of the most important phytohormones, has been shown to bepresent in the central nervous system of pigs and rats ().
After the discovery of 20:5n-3 in a marine bacterium (Johns RB et al., 1977), a study on 11 piezophilic bacteria (from 1200 to 10 476 m of sea depth) revealed they produced EPA (20:5n-3) and DHA (22:6n-3) in increasing proportion oftotal fatty acids when pressure increased ().
have an endogenous biosynthesis pathway for ABA.
Among activators, a variety of endogenously present lipids were described ().
An antiphosphatidylcholine antibody was described in the serum of a patient diagnosed with hemolytic anemia ().
Phosphatidylserine was shown to be recognized by specific antibodies in patients with lupus anticoagulant ().
The "Nod factors" produced in legumes by as a class of signalling molecules was identified as lipo-chitooligosaccharides ().
First demonstration of phosphatidylinositol anchor on the lipopolysaccharides of a prokaryotic species, ( ).
Demonstration of the induction of the synthesis of proteinase inhibitors by methyl jasmonate in a wounded plant but also in nearby plants through the atmosphere ().
First clear demonstration that fatty acids are as unfavorable as saturated fatty acids in raising LDL cholesterol and lowering HDL cholesterol levels ().
minor pathway for ABA biosynthesis ..
These particular glycolipids were later shown to have antibiotic and insecticide properties.
The composition and the structure of a novel phosphatidylinositol-containing glycolipid, now known as membrane anchor, were reported in a protozoan ().
Experiments on Torpedo electric organ led to the suggestion that acetylcholinesterase is anchored to the plasma membrane by one or more phosphatidylinositol molecules linked to a short amino acid sequence at one end of the catalytic subunit of the enzyme (.
First report that fish oils reduced thickening of vein intimal in graft experiments in dogs ().
First published paper in which mutants of were used to elucidate the role of a plant lipid, tr-3-hexadecenoic acid ().
Results from metabolic experiments suggest that 24,25-epoxycholesterol may participate in the regulation of hepatic cholesterol metabolism in vivo (.
C hemical surveys of Ophrys bee pollinated species have identified floral volatile lipid constituents including various terpenes, alcohols, ketones and carboxylic acids (Borg-Karlson AK et al., Chem Script 1985, 25, 283).
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