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Feeding broilers with the addition of an Ilex paraguariensis coproduct affects zootechnical performance and meat quality responses.
Trop Anim Health Prod
January 2025
Department of Agroindustrial Science and Technology, Federal University of Pelotas, Rio Grande Do Sul, Brazil.
During the harvest of Ilex paraguariensis, approximately 2-5 tons per hectare of thick stems are left on the soil surface. The outer portion of these stems, referred to as the coproduct, constitutes 30% of the total residue mass. Although this coproduct has been partially characterized in terms of its phytochemical profile, its technological applications remain unexplored.
View Article and Find Full Text PDFAllosteric regulation of pyruvate kinase enables efficient and robust gluconeogenesis by preventing metabolic conflicts and carbon overflow.
mSystems
January 2025
Department of Bacteriology, University of Wisconsin-Madison, Madison, Wisconsin, USA.
Gluconeogenesis, the reciprocal pathway of glycolysis, is an energy-consuming process that generates glycolytic intermediates from non-carbohydrate sources. In this study, we demonstrate that robust and efficient gluconeogenesis in bacteria relies on the allosteric inactivation of pyruvate kinase, the enzyme responsible for the irreversible final step of glycolysis. Using the model bacterium as an example, we discovered that pyruvate kinase activity is inhibited during gluconeogenesis via its extra C-terminal domain (ECTD), which is essential for autoinhibition and metabolic regulation.
View Article and Find Full Text PDFComparative transcriptome profiling reveals the mechanism of increasing lysine and tryptophan content through pyramiding , and genes in maize.
Breed Sci
September 2024
Guizhou Institute of Upland Food Crops, Guizhou Academy of Agricultural Sciences, Guiyang 550006, Guizhou Province, China.
To explore the molecular mechanism behind maize grain quality and use of different gene stacking to improve the nutritional quality of grain, marker-assisted selection (MAS) was used to select three recessive mutant lines containing , along with the double-recessive mutant lines containing , , and . The resulting seeds were taken for transcriptome sequencing analysis 18 days after pollination (DAP). Results: Compared with the recurrent parent genes, in the lysine synthesis pathway, the gene pyramiding lines (, , and ) revealed that the gene encoding aspartate kinase (AK) was up-regulated and promoted lysine synthesis.
View Article and Find Full Text PDFLactoferrin conjugated radicicol nanoparticles enhanced drug delivery and cytotoxicity in prostate cancer cells.
Eur J Pharmacol
January 2025
School of Biomedical Sciences, Faculty of Health, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia; Translational Research Institute, Queensland University of Technology, Brisbane, Australia; Centre for Genomics and Personalised Health, Queensland University of Technology, Brisbane, Queensland, Australia. Electronic address:
Pyruvate dehydrogenase kinase-1 (PDK1) plays a crucial role in cancer cell metabolism by regulating the glycolytic pathway. Although, inhibitors targeting PDK1 have been effective in inhibiting glycolysis in multiple cancers, their lack of selectivity leading to off-target effects limit their therapeutic benefit. Herein, we investigated the inhibitory potential of six PDK1 inhibitors on cellular proliferation, migration, and invasion of androgen-sensitive LNCaP and androgen-negative PC-3 prostate cancer cells.
View Article and Find Full Text PDFExploring and increased acetate biosynthesis in Synechocystis PCC 6803 through insertion of a heterologous phosphoketolase and overexpressing phosphotransacetylase.
Metab Eng
January 2025
Microbial Chemistry, Department of Chemistry-Ångström Laboratory, Uppsala University, Uppsala, Sweden. Electronic address:
Acetate is a biological anion with many applications in the chemical and food industries. In addition to being a common microbial fermentative end-product, acetate can be produced by photosynthetic cyanobacteria from CO using solar energy. Using wild-type cells of the unicellular model cyanobacterium Synechocystis PCC 6803 only low levels of acetate are observed outside the cells.
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