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| http://dx.doi.org/10.1093/hr/uhae124 | DOI Listing |
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Improved Malignancy of Colon Cancer Cells at Gene Expression Level with Constitutive Activation of the Eukaryotic Elongation Factor 2 (eEF2) Under Nutrition Deficient Conditions.
Chem Biodivers
January 2025
Biruni Universitesi, Molecular Biology and Genetics, Biruni Uni, İstanbul, TURKEY.
Regulation of protein production in response to physiological signals is achieved through precise control of Eukaryotic Elongation Factor 2 (eEF2), whose distinct translocase function is crucial for cell survival. Phosphorylation of eEF2 at its Thr56 (T56) residue inactivates this function in translation. Using genetically modified paralogue of a colon cancer cell line, HCT116 which carries a point mutation at Ser595-to-Alanine in the eEF2 gene we were able to create a constitutively active form of eEF2.
View Article and Find Full Text PDFCRISPR/Cas9-mediated mutation provides a new insight into resveratrol biosynthesis by causing a metabolic pathway shift from flavonoids to stilbenoids in cells.
Hortic Res
January 2025
Institute of Food Science and Technology, Fujian Academy of Agricultural Sciences, No. 247 Wusi Road, Gulou District, Fuzhou 350003, China.
Resveratrol is an important phytoalexin that adapts to and responds to stressful conditions and plays various roles in health and medical therapies. However, it is only found in a limited number of plant species in low concentrations, which hinders its development and utilization. Chalcone synthase (CHS) and stilbene synthase (STS) catalyze the same substrates to produce flavonoids and resveratrol, respectively.
View Article and Find Full Text PDFCRISPR-mediated mutation of cytokinin signaling genes (SlHP2 and SlHP3) in tomato: Morphological, physiological, and molecular characterization.
Plant Genome
March 2025
Department of Agricultural Biotechnology, Faculty of Agriculture, Ondokuz Mayis University, Samsun, Turkey.
Synergistic and antagonistic relationships between cytokinins and other plant growth regulators are important in response to changing environmental conditions. Our study aimed to determine the functions of SlHP2 and SlHP3, two members of cytokinin signaling in tomato, in drought stress response using CRISPR/Cas9-mediated mutagenesis. Ten distinct genome-edited lines were generated via Agrobacterium tumefaciens-mediated gene transfer and confirmed through Sanger sequencing.
View Article and Find Full Text PDFCancer cells rely on invasive growth to survive in a hostile microenvironment; this growth is characterised by interconnected processes such as epithelial-to-mesenchymal transition and migration. A master regulator of these events is the MET oncogene, which is overexpressed in the majority of cancers; however, since mutations in the MET oncogene are seen only rarely in cancers and are relatively infrequent, the mechanisms that cause this widespread MET overexpression remain obscure. Here, we show that the 5' untranslated region (5'UTR) of MET mRNA harbours two functional stress-responsive elements, conferring translational regulation by the integrated stress response (ISR), regulated by phosphorylation of eukaryotic translation initiation factor 2 alpha (eIF2α) at serine 52.
View Article and Find Full Text PDFGenome sequencing of Plasmodium malariae identifies continental segregation and mutations associated with reduced pyrimethamine susceptibility.
Nat Commun
December 2024
Faculty of Infectious & Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK.
Plasmodium malariae parasites are widely observed across the tropics and sub-tropics. This slow-growing species, known to maintain chronic asymptomatic infections, has been associated with reduced antimalarial susceptibility. We analyse 251 P.
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