نتایج جستجو برای: mevalonate biosynthesis pathway
تعداد نتایج: 373090 فیلتر نتایج به سال:
Mevalonate Kinase Deficiency (MKD) is a rare autosomal recessive inborn disorder of cholesterol biosynthesis caused by mutations in the mevalonate kinase (MK) gene, leading to MK enzyme decreased activity. The consequent shortage of mevalonate-derived isoprenoid compounds results in an inflammatory phenotype, caused by the activation of the NALP3 inflammasome that determines an increased caspas...
Cholesterol biosynthesis serves as a central metabolic hub for numerous biological processes in health and disease. A detailed, integrative single-view description of how the cholesterol pathway is structured and how it interacts with other pathway systems is lacking in the existing literature. Here we provide a systematic review of the existing literature and present a detailed pathway diagram...
In vivo and in vitro radiotracer studies were conducted with the pine engraver, Ips pini (Say) (Coleoptera: Scolytidae), to elucidate the relationships among feeding on host (Pinus jeffreyi Grev. & Balf.) phloem, juvenile hormone III (JH III) biosynthesis, and de novo aggregation pheromone (ipsdienol) biosynthesis. The in vivo incorporation of [1-C]acetate into ipsdienol by male I. pini increas...
The recently discovered non-mevalonate biosynthetic route to isoprenoid precursors is an essential metabolic pathway in plants, apicomplexan parasites, and many species of bacteria. The pathway relies on eight enzymes exploiting different cofactors and metal ions. Structural and mechanistic data now exist for most components of the pathway though there remain some gaps in our knowledge. The ind...
BACKGROUND The yeast Saccharomyces cerevisiae can be a useful model for studying cellular mechanisms related to sterol synthesis in humans due to the high similarity of the mevalonate pathway between these organisms. This metabolic pathway plays a key role in multiple cellular processes by synthesizing sterol and nonsterol isoprenoids. Statins are well-known inhibitors of 3-hydroxy-3-methylglut...
Geranyl diphosphate synthase (GPPS) catalyzes the condensation of dimethylallyl diphosphate and isopentenyl diphosphate to form geranyl diphosphate. Geranyl diphosphate is the precursor of monoterpenes, a large family of natural occurring C(10) compounds predominantly found in plants. Similar to plants but unique to animals, some bark beetle genera (Coleoptera: Scolytidae) produce monoterpenes ...
Steroidal glycoalkaloids (SGAs) are cholesterol-derived molecules produced by solanaceous species. They contribute to pathogen defence but are toxic to humans and considered as anti-nutritional compounds. Here we show that GLYCOALKALOID METABOLISM 9 (GAME9), an APETALA2/Ethylene Response Factor, related to regulators of alkaloid production in tobacco and Catharanthus roseus, controls SGA biosyn...
The essential steps of the novel non-mevalonate pathway of isopentenyl diphosphate and isoprenoid biosynthesis in plants are described. The first five enzymes and genes of this 1-deoxy-D-xylulose 5-phosphate/2-C-methyl-D-erythritol 4-phosphate (DOXP/MEP) pathway are known. The herbicide fosmidomycin specifically blocks the second enzyme, the DOXP reductoisomerase. The DOXP/MEP pathway is also p...
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