Bread is one of the most important processed foods wheat flour worldwide. Breadmaking quality determined by grain protein content and its composition highly influenced fertilization management. This study investigated effects spraying different combinations exogenous regulators on breadmaking flour. Three schemes including Potassium glutamate+Zinc+Urea (G), Methionine+ Zinc+Urea (M), Cysteine+ ...

This paper reports experimental results that show that lysine at low concentrations can accelerate hepatic gluconeogenesis from lactate. The effect is catalytic. Although the mechanism of action of lysine is still unknown it is probable that lysine plays an important role in the regulation of liver metabolism. The lysine effect was discovered in the course of experiments on histidine metabolism...

1). Endogenous production of ammonia: There are very many enzymecatalyzed reactions by which ammonia can be generated in vivo. For example, Cooper and Plum (1987) list at least seventeen enzyme-catalyzed reactions that can generate ammonia from amino acids and nucleotides in the brain. Considerable ammonia is generated in the gut from the action of bacteria on nitrogenous substance. In humans, ...

Two aryl hydrocarbon receptors (rtAHR2alpha and rtAHR2beta) have been identified in the rainbow trout (Oncorhynchus mykiss). These receptors share 98% amino acid identity, yet their functional properties differ. Both rtAHR2alpha and rtAHR2beta bind 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), dimerize with rainbow trout ARNTb (rtARNTb), and recognize dioxin response elements in vitro. However, i...

The effects of acute administration of tumour necrosis factor-alpha (cachectin) (TNF-alpha) or of malignant tumour growth (Walker-256 carcinosarcoma) on hepatic availability and uptake of individual amino acids were compared. The results show that, in spite of lowering the hepatic availability of alanine, aspartate, serine, glycine and proline, the cytokine increased both the total amino acid h...

The purpose of this experiment was to evaluate the effects a low-protein diet on selected variables protein and energy metabolism in blood serum as well indicators fermentation faeces (fecal crude protein, ammonia, pH, volatile fatty acids, dry matter). Twelve finishing pigs (initial body weight: 64.6 ± 3.35 kg) were randomly divided into two groups fed basal diets with (CP) levels 13.6% 15.4%,...

Hyperammonemic disorders such as acute liver failure (ALF) or urea cycle enzymopathies are associated with hyperexcitability, seizures, brain edema and increased extracellular brain glutamate. Mechanisms responsible for increased glutamate content in the extracellular space of the brain include decreased uptake by perineuronal astrocytes and/or increased release from neurons and/or astrocytes. ...

Working with Streptomyces sp. MA406-A-1, effects of addition of various amino acids on the production of formycin were examined. In replacement culture, it was confirmed that lysine, aspartate or glutamate stimulates the production of formycin and carbon molecules in these amino acids incorporated efficiently into formycin. It is estimated that biosynthesis of formycin in this organism is close...

The enzymes involved in the initial degradative steps of lysine metabolism, lysine-2-oxoglutarate reductase and saccharopine dehydrogenase, were studied and their activities in different mammals compared. Values obtained in human, rat, pig, dog, cat, ox and sheep liver indicated that in vitro, appreciable degradation of lysine to saccharopine (4-6nmol/min per mg of protein) occurred. The specif...