Administration of nitrates to pregnant rats induced disorder in maturation and hormonal regulation of enzymes prompting the digestion of the main nutrients in the small intestine of suckling rats. Essential changes were also found under these conditions in activity of the liver and kidney enzymes maintaining the barrier and protective functions.
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Front Physiol
January 2025
School of Kinesiology, Auburn University, Auburn, AL, United States.
Nitric oxide (NO) is a ubiquitous signaling molecule known to modulate various physiological processes, with specific implications in skeletal muscle and broader applications in exercise performance. This review focuses on the modulation of skeletal muscle function, mitochondrial adaptation and function, redox state by NO, and the effect of nitrate supplementation on exercise performance. In skeletal muscle function, NO is believed to increase the maximal shortening velocity and peak power output of muscle fibers.
View Article and Find Full Text PDFActa Biochim Biophys Sin (Shanghai)
January 2025
CAS Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences (CAS), Shanghai 200032, China.
U32 is an industrial strain capable of producing therapeutically useful rifamycin SV. In early days of fermentation studies, nitrate was found to increase the yield of rifamycin along with globally, affecting both carbon and nitrogen metabolism in favor of antibiotic biosynthesis; thus, the (NSE) hypothesis was proposed. Although GlnR is likely the master regulator of the pleotropic effect of NSE, the global metabolism affected by NSE has never been systematically examined.
View Article and Find Full Text PDFGenes Genomics
January 2025
Department of Molecular Biosciences, Wenner-Gren Institute, Stockholm University, 106 91, Stockholm, Sweden.
Background: Cyanobacteria, particularly Synechocystis sp. PCC 6803, serve as model organisms for studying acclimation strategies that enable adaptation to various environmental stresses. Understanding the molecular mechanisms underlying these adaptations provides insight into how cells adjust gene expression in response to challenging conditions.
View Article and Find Full Text PDFSci Rep
January 2025
USDA-ARS Poultry Production and Product Safety Research Unit, Fayetteville, AR, 72701, USA.
Insect farming is expected to increase in coming years, thus generating high quantities of frass (insect excreta). Frass valorization hinges on basic agronomic research prior to industry upscaling. Here, we investigated soil physiochemical properties, SMAF (Soil Management Assessment Framework) soil health, CO efflux, and bermudagrass [Cynodon dactylon (L.
View Article and Find Full Text PDFNat Commun
January 2025
Cary Institute of Ecosystem Studies, Millbrook, NY, USA.
Previous estimates of deep soil inorganic nitrogen (N) reservoirs have been mainly limited to desert soils, however, recent evidence suggests that deep soil pools are far more ubiquitous across biomes and therefore may be important for global N budgets. Here, we used observations from 280 deep soil profiles (2-205 m) across a wide array of ecosystem and land cover types to seek insight into the full geospatial variation of deep soil nitrate. Using a random forest machine learning approach we estimate a total deep soil nitrate pool of 15.
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