نتایج جستجو برای: nutrient proteins
تعداد نتایج: 619566 فیلتر نتایج به سال:
To better understand adaptation to harsh conditions encountered in hot arid deserts, we report the first complete genome sequence and proteome analysis of a bacterium, Deinococcus deserti VCD115, isolated from Sahara surface sand. Its genome consists of a 2.8-Mb chromosome and three large plasmids of 324 kb, 314 kb, and 396 kb. Accurate primary genome annotation of its 3,455 genes was guided by...
Clock genes respond to external stimuli and exhibit circadian rhythms. This study investigated the expression of clock genes in the small intestine and their contribution in the regulation of nutrient absorption by enterocytes. We examined expression of clock genes and macronutrient transport proteins in the small intestines of wild-type and Clock mutant (Clk(mt/mt)) mice with free or limited a...
Amid an increasing number of reports in the literature concerning epithelial barrier enhancement by various nutrient compounds, there has never been a study performing side-by-side comparisons of these agents in a single epithelial model. We compare five nutrient compounds (previously reported in various epithelial models to enhance barrier function) regarding their ability to increase transepi...
Latent Mycobacterium tuberculosis exhibits metabolic pathways different from normal bacilli. Mycobacteria undergo metabolic shift leading to alteration in expression of vital cell proteins like catalase, urease etc., during nutrient starvation conditions. In this study, we determined the activity of catalase and urease in nutrient starved cultures. It was observed that catalase activity decline...
Gram-negative bacterial outer membrane proteins play important roles in the interaction of bacteria with their environment including nutrient acquisition, adhesion and invasion, and antibiotic resistance. In this study we identified 47 proteins within the Sarkosyl-insoluble fraction of Campylobacter jejuni 81-176, using LC-ESI-MS/MS. Comparative analysis of outer membrane protein sequences was ...
The metabolic machinery of marine microbes can be remarkably plastic, allowing organisms to persist under extreme nutrient limitation. With some exceptions, most theoretical approaches to nutrient uptake in phytoplankton are largely dominated by the classic Michaelis-Menten (MM) uptake functional form, whose constant parameters cannot account for the observed plasticity in the uptake apparatus....
In order to unravel the effect of aerated irrigation on soil dissolved organic matter (DOM) fluorescence characteristics, and humification degree, a randomized block experiment was conducted with three factors two-level design, i.e., two rates (0.6 1.0 times crop evaporation pan coefficient, W1 W2), nitrogen application (225 300 kg hm−2, N1 N2), aeration (15% 0% in control treatment, A1 A0). Fl...
One of the proteins of the membrane-bound receptors that recognize individual nutrients that trigger germination of spores of Bacillus subtilis contains the recognition sequence for diacylglycerol addition to a cysteine residue near the protein's N terminus. B. subtilis spores lacking the gerF (lgt) gene that codes for prelipoprotein diacylglycerol transferase exhibited significantly slowed ger...
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