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http://dx.doi.org/10.1002/mrd.21040 | DOI Listing |
Biochemistry
January 2025
Department of Chemistry, University of California, Berkeley, California 94720, United States.
In many bacteria, the location of the mRNA start codon is determined by a short ribosome binding site sequence that base pairs with the 3'-end of 16S rRNA (rRNA) in the 30S subunit. Many groups have changed these short sequences, termed the Shine-Dalgarno (SD) sequence in the mRNA and the anti-Shine-Dalgarno (ASD) sequence in 16S rRNA, to create "orthogonal" ribosomes to enable the synthesis of orthogonal polymers in the presence of the endogenous translation machinery. However, orthogonal ribosomes are prone to SD-independent translation.
View Article and Find Full Text PDFDiabetes
January 2025
Division of Endocrinology and Metabolism, Department of Medicine, University of California, San Diego, La Jolla, CA, USA.
PPARγ is the pharmacological target of thiazolidinediones (TZDs), potent insulin sensitizers that prevent metabolic disease morbidity but are accompanied by side effects such as weight gain, in part due to non-physiological transcriptional agonism. Using high throughput genome engineering, we targeted nonsense mutations to every exon of PPARG, finding an ATG in Exon 2 (chr3:12381414, CCDS2609 c.A403) that functions as an alternative translational start site.
View Article and Find Full Text PDFVaccines (Basel)
January 2025
Smorodintsev Research Institute of Influenza, The Ministry of Health of the Russian Federation, Saint-Petersburg 197022, Russia.
Background: Influenza viruses with truncated NS1 proteins show promise as viral vectors and candidates for mucosal universal influenza vaccines. These mutant NS1 viruses, which lack the N-terminal half of the NS1 protein (124 a.a.
View Article and Find Full Text PDFMar Drugs
January 2025
Key Laboratory of Chemical Biology (Ministry of Education), Shandong Basic Science Research Center (Pharmacy), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China.
SDU050, a fungus derived from deep-sea sediment, is a prolific producer of diverse secondary metabolites. Genome sequencing revealed the presence of at least 69 biosynthetic gene clusters (BGCs), including 30 encoding type I polyketide synthases (PKSs). This study reports the isolation and identification of four classes of secondary metabolites from wild-type SDU050, alongside five additional metabolite classes, including three novel cytochalasins (-), obtained from a mutant strain through the metabolic blockade strategy.
View Article and Find Full Text PDFCells
January 2025
Biomedical Research Center, Qatar University, Doha P.O. Box 2713, Qatar.
GATA-3 is a master regulator of preadipocyte differentiation and function. Pharmacological or genetic targeting of GATA-3 will allow us to understand the function of GATA-3 in regulating metabolism, insulin signaling, and inflammation. Pyrrothiogatain, a novel small molecule inhibitor of GATA family proteins, has emerged as a promising tool for modulating GATA-3 activity.
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