نتایج جستجو برای: kappa casein gene
تعداد نتایج: 1174775 فیلتر نتایج به سال:
Stimulation and inhibition of interferon-beta production of human diploid fibroblasts by foodstuffs.
We screened for foodstuffs affecting interferon-beta (IFN-beta) production of human foreskin diploid fibroblasts, in the presence of poly I.poly C, cycloheximide, and actinomycin D. alpha- and beta-caseins stimulated IFN-beta production dose-dependently, but kappa-casein inhibited it. Of the two chymosin fragments of kappa-casein, glycomacropeptide was an inhibitor but p-kappa-casein was not. b...
In this study, we report differences in the observed gliding speed of microtubules dependent on the choice of bovine casein used as a surface passivator. We observed differences in both speed and support of microtubules in each of the assays. Whole casein, comprised of α(s1), α(s2), β, and κ casein, supported motility and averaged speeds of 966±7 nm/s. Alpha casein can be purchased as a combina...
Traditionally, human milk proteins are identified largely by reference to bovine milk. Hence, to identify the major proteins in human milk, we subjected human and bovine milk, in parallel, to high-resolution two-dimensional electrophoresis. Isoelectric precipitation at pH 4.6 was our criterion for distinguishing whey proteins from those of the casein complex. The alpha- and beta-caseins were id...
We used polymerase chain reaction-single strand conformation polymorphism (PCR-SSCP) analysis to screen the most frequent variants (A, B, C, and E) found in the bovine kappa-casein gene. The PCR products (453 bp) were heat-denatured, loaded onto nondenaturing polyacrylamide gels, and silver-stained. Each variant yielded patterns clearly distinguishable from the others. Optimal conditions for th...
Microtubules and associated motor proteins such as kinesin are envisioned for applications such as bioseparation and molecular sorting to powering hybrid synthetic mechanical devices. One of the challenges in realizing such systems is retaining motor functionality on device surfaces. Kinesin motors adsorbed onto glass surfaces lose their functionality or ability to interact with microtubules if...
In dairy cattle breeding, much attention is paid to indicators of the milk quality and technological properties. These are significantly influenced by proteins. Therefore, goal our research evaluate effectiveness creating herds domestic breeds that characterized desired beta- kappa-casein genotypes. To fulfill these tasks, genotyping cows Ukrainian Brown dairy, Sumy intrabreed type Black-and-Wh...
Pulsed field gel electrophoresis (PFGE) was used to analyse the organization of the bovine alpha s1, alpha s2, beta and kappa casein genes. High molecular weight DNA was prepared from fibroblasts and lymphocytes embedded in agarose and was digested with the restriction endonucleases Clal, Sall, Smal, Xhol. The digestion products were separated by PFGE, transfered to nitrocellulose filters and h...
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