Results 21 to 30 of about 124,711 (254)

Isolation and functional verification of an aspartate aminotransferase gene from Neoporphyra haitanensis

open access: yesBMC Plant Biology, 2023
Background Neoporphyra haitanensis is a commercial laver species in China. Aspartic acid is an important flavor amino acid, and aspartate aminotransferase (AAT) is a crucial enzyme in its biosynthesis.
Shuang Li   +3 more
doaj   +1 more source

Strecker degradation products of aspartic and glutamic acids and their amides

open access: yesCzech Journal of Food Sciences, 2001
Aspartic and glutamic acids, asparagine and glutamine were oxidised with either potassium peroxodisulphate or glyoxal. Nonvolatile products were derivatised and analysed by GC/FID and GC/MS.
J. Rössner   +3 more
doaj   +1 more source

Addition of weak acids in electrolytes to prevent osmosis in aqueous organic redox flow batteries

open access: yesElectrochemistry Communications, 2021
Water transfer issues related to unbalanced ionic strengths in aqueous organic redox flow batteries (AORFBs) are often overlooked. In this work, a simple strategy based on the addition of a weak acid in the negolyte was studied to prevent osmosis in ...
Jean-Marie Fontmorin   +4 more
doaj   +1 more source

Mutation of aspartic acid 262 on estrogen receptor abrogates estradiol signaling pathway

open access: yesGynecological Endocrinology, 2023
Objective ERα (estrogen receptor alpha) exerts nuclear genomic actions and membrane-initiated non-genomic effects. The mutation of aspartic acid into alanine in vitro revealed the critical role of aspartic acid 258 (corresponding to mouse amino acid site
Xingyan Xu   +9 more
doaj   +1 more source

Sarcopenia and aspartic acid magnesium

open access: yesJournal of Physical Fitness and Sports Medicine, 2015
Sarcopenia from aging, inactivity, weightlessness, disease and malnutrition causes social problems due to associated physical dysfunction, a decrease in QOL, and risk of death.
Shigeru Yamada   +4 more
doaj   +1 more source

A NEW SYNTHESIS OF ASPARTIC ACID

open access: yesJournal of Biological Chemistry, 1930
In previous syntheses of aspartic acid the following reactions have been used: The decomposition of acid ammonium malate by heat,1 the racemization of active aspartic acid2 and active asparagine,3 the reaction of maleic or fumaric acid with ammonia,4 the reduction of oxalacetic ester oxime,5 the reaction of silver fumarate or potassium acid fumarate ...
M. S. Dunn, B. W. Smart
openaire   +1 more source

Three phosphatase families form a community: The phosphohydrolases that act upon inositol pyrophosphates

open access: yesFEBS Letters, EarlyView.
Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley   +1 more source

Effect of Ocular Hypertension on D-β-Aspartic Acid-Containing Proteins in the Retinas of Rats

open access: yesJournal of Ophthalmology, 2019
Purpose. To investigate the effect of ocular hypertension-induced isomerization of aspartic acid in retinal proteins. Methods. Adult Wistar rats with ocular hypertension were used as an experimental model.
Takashi Kanamoto   +8 more
doaj   +1 more source

IMPDH inhibition enhances cytarabine efficacy in SAMHD1‐expressing leukaemia cells via guanine nucleotide depletion

open access: yesMolecular Oncology, EarlyView.
Cytarabine is a key therapy for acute myeloid leukaemia (AML), but its efficacy is limited by the dNTPase SAMHD1, which hydrolyses its active metabolite. Screening nucleotide biosynthesis inhibitors revealed that IMPDH inhibitors selectively sensitise SAMHD1‐proficient AML cells to cytarabine.
Miriam Yagüe‐Capilla   +9 more
wiley   +1 more source

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