نتایج جستجو برای: gdp مانوز دهیدرو ژناز
تعداد نتایج: 15756 فیلتر نتایج به سال:
لکتین متصل شونده به مانوز (mbl) جزء خانواده کالکتین ها بوده و در فعال سازی سیستم کمپلمان ایمنی ذاتی از مسیر لکتین نقش دارد. mbl به عنوان اپسونین، فرآیند ذره خواری و حذف میکروارگانیسم بیگانه را تسهیل می کند. این پروتئین نقش مهمی در سلامت افراد دارد، به ویژه افرادی که دارای نقص سیستم ایمنی اولیه هستند، در صورتی که در پروتئین mbl هم نقص داشته باشند عوارض کلینیکی بیشتری را بروز می دهند. سلامت و صح...
Nucleotide release from tubulin and nucleoside-5'-diphosphate kinase action in microtubule assembly.
ATP and UTP support microtubule assembly through the action of brain nucleoside-5'-diphosphate kinase on GDP. Penningroth and Kirschner (1977) J. Mol. Biol. 115, 643-673) have proposed that microtubule assembly may occur by either of two mechanisms: indirectly, through nucleoside-5'-diphosphate kinase-catalyzed phosphorylation of uncomplexed GDP and directly by nucleoside-5'-diphosphate kinase-...
The effects of ribosomes and Mg-2plus on the binding of GDP and GTP to elongation factor 2 (EF-2) have been studied by an improved filter-binding assay. Both ribosomes and Mg-2plus strongly inhibit the binding of GDP but have apparently no effect on the GTP binding to the enzyme. An apparent stimulation by ribosomes of GTP binding to EF-2 is time-dependent and parallels a concomitant increase o...
There exists a spatial mismatch between socioeconomic data, such as Gross Domestic Product (GDP), and physical and environmental datasets. This study provides a dasymetric approach for GDP estimation at a fine scale by combining the Defense Meteorological Satellite Program Operational Linescan System (DMSP/OLS) nighttime imagery, enhanced vegetation index (EVI), and land cover data. Despite the...
The prosperity of a country, commonly measured in terms of its annual per capita Gross Domestic Product (GDP), has different relationships with population levels of body weight and happiness, as well as environmental impacts such as carbon emissions. The aim of this study was to examine these relationships and to try to find a level of GDP, which provides for sustainable economic activity, opti...
The role of GDP has heretofore been little studied in the analysis of visual receptor G-protein (G) interactions. Here we use kinetically resolved absorption and light scattering spectroscopy, centrifugation, porous membrane filtration, and enzyme assay to compare the effectiveness of GDP with that of GTP or gamma-thio-guanosine-5'-triphosphate in the modulation of G-protein binding to rod disc...
In the present study on the specific role of GDP in regulation of the hepatic glucagon-sensitive adenylate cyclase system, two approaches were employed to eliminate the influence of the conversion of GDP during incubation: One was a time study during only the initial period of incubation with ATP as substrate and the other was a study using adenyl-5’-yl imidodiphosphate, a nonphosphorylating an...
The levels of fucosylated glycoproteins in various cancers and inflammatory processes have been a subject of intense study. The level of fucosyltransferases and intracellular GDP-L-fucose, a sugar nucleotide and a common donor substrate for all fucosyltransferases, may regulate the level of fucosylated glycoproteins. This study reports on the determination of GDP-L-fucose levels in human hepato...
agriculture as one of the major economic sectors of iran, has an important role in gross domestic production by providing about 14% of gdp. this study attempts to forecast the value of the agriculture gdp using periodic autoregressive model (par), as the new seasonal time series techniques. to address this aim, the quarterly data were collected from march 1988 to july 1989. the collected data w...
ترهالوز دی ساکاریدی است که از دو مولکول گلوکز با پیوند آلفا 1-1 تشکیل شده است. تیمار ترهالوز روی گیاهچه های آرابیدوپسیس از رشد ریشه، ظهور برگ های اولیه و تخصیص کربن از برگ به ریشه ممانعت می کند. در پژوهش حاضر سعی شده است تأثیر متقابل آسکوربیک اسید و ترهالوز روی برخی شاخص های رشد و بیان ژن های فتوسنتزی در گیاهچه های آرابیدوپسیس تالیانا بررسی شود. به این منظور، بذر آرابیدوپسیس در محیط کشت پایه ms...
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