نتایج جستجو برای: casein
تعداد نتایج: 10604 فیلتر نتایج به سال:
The length of casein mRNA from the lactating mouse mammary gland, as assessed on Northern blots, is shorter after weaning, but is elongated following the removal of milk. In order to investigate this phenomenon, the molecular structures of beta- and gamma-casein mRNAs were analysed. The coding and non-coding regions of the two forms were the same length, but the long form of casein mRNA had a l...
Conventional kinesin is routinely adsorbed to hydrophilic surfaces such as SiO(2). Pretreatment of surfaces with casein has become the standard protocol for achieving optimal kinesin activity, but the mechanism by which casein enhances kinesin surface adsorption and function is poorly understood. We used quartz crystal microbalance measurements and microtubule gliding assays to uncover the role...
Maximum likelihood methodology was used to estimate effects of both a marker gene and a linked quantitative trait locus (QTL) on quantitative traits in a segregating population. Two alleles were assumed for the QTL. In addition to the effects of genotypes at both loci on the mean of the quantitative trait, recombination frequency between the loci, frequency of the QTL alleles and the residual s...
1. The investigations dealing with the properties of casein as an acid were reviewed. 2. The solubility of uncombined casein in water was measured at 5 degrees C. and found to be 0.70+/-0.1 mg. of N per 100 gm. of water. 3. Robertson's solubility measurements of casein in bases at various temperatures were recalculated and found to agree well with more recent measurements. 4. By combining the o...
curcumin is a natural polyphenolic compound with anti-cancer, anti-inflammatory, and anti-oxidation properties. low water solubility and rapid hydrolytic degradation are two challenges limiting use of curcumin as therapeutic agent. in the current study, the role of the bovine serum albumin (bsa), β-lactoglobulin and casein, as food-grade biopolymers and safe drug delivery systems, on the physic...
True lactose intolerance (symptoms stemming from lactose malabsorption) is less common than is widely perceived, and should be viewed as just one potential cause of cows' milk intolerance. There is increasing evidence that A1 beta-casein, a protein produced by a major proportion of European-origin cattle but not purebred Asian or African cattle, is also associated with cows' milk intolerance. I...
The peptide hormone, prolactin, when added to organ explants of rat mammary gland, rapidly (within 1 h) induced the accumulation of casein mRNA. Casein mRNA sequences, as determined by hybridization with a specific cDNA probe, were shown to increase for up to 48 h after prolactin addition. The magnitude of this response was dependent upon the day of pregnancy at which the tissue was placed in c...
The beta-casein locus with different allelic forms of A1 and A2 has been reported among many breeds of dairy cattle. These allelic forms produce beta-casein variants of A1 and A2. The bioactive peptide of beta-casomorphin-7 is produced from proteolysis of beta-casein A1 variant. Beta-casomorphin-7 has morphine like activity and results in some diseases including type 1 diabetes mellitus, cardio...
FREQUENCY (FRQ), a key component of the Neurospora circadian clock, is progressively phosphorylated after its synthesis. Previously, we identified casein kinase II (CKII) as a kinase that phosphorylates FRQ. Disruption of the catalytic subunit of CKII abolishes the clock function; it also causes severe defects in growth and development. To further establish the role of CKII in clock function, o...
in this study, the effect of accelerated ripening with encapsulated protease and lipase on physiochemical properties such as fat and moisture, texture and microstructure of brined cheese was investigated. addition of lipase increases hardness by reducing fat globules diameter and increasing casein matrix junction. it also decreases brittleness by fat degradation which is responsible for plastic...
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