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A transcriptional activator is a protein (transcription factor) that increases transcription of a gene or set of genes. [1] Activators are considered to have positive control over gene expression, as they function to promote gene transcription and, in some cases, are required for the transcription of genes to occur.
Transcription activator-like effectors (TALEs) can be engineered to bind to practically any desired DNA sequence, so when combined with a nuclease, DNA can be cut at specific locations. [1] The restriction enzymes can be introduced into cells, for use in gene editing or for genome editing in situ , a technique known as genome editing with ...
Activator protein 1 (AP-1) is a transcription factor that regulates gene expression in response to a variety of stimuli, including cytokines, growth factors, stress, and bacterial and viral infections. [1] AP-1 controls a number of cellular processes including differentiation, proliferation, and apoptosis. [2]
The splice isoform DNMT3A2 behaves like the product of a classical immediate-early gene and, for instance, it is robustly and transiently produced after neuronal activation. [29] Where the DNA methyltransferase isoform DNMT3A2 binds and adds methyl groups to cytosines appears to be determined by histone post translational modifications.
The effect of β-aminoisobutyric acid in white fat includes the activation of thermogenic genes that prompt the browning of white adipose tissue and the consequent increase of background metabolism. Hence, the β-aminoisobutyric acid could act as a messenger molecule of PGC-1α and explain the effects of PGC-1α increase in other tissues such ...
TALEN-based approaches are used in the emerging fields of gene editing and genome engineering. TALEN fusions show activity in a yeast-based assay, [18] [30] at endogenous yeast genes, [22] in a plant reporter assay, [20] at an endogenous plant gene, [23] at endogenous zebrafish genes, [31] [32] at an endogenous rat gene, [33] and at endogenous ...
PARGC1A gene key to weight loss. At the study’s conclusion, researchers found that participants in the exercise group who had the most “skinny genes” lost up to 5 kg (about 11 lbs) during ...
Gene regulation works using operators and repressors in bacteria. Gene Regulation can be summarized by the response of the respective system: Inducible systems - An inducible system is off unless there is the presence of some molecule (called an inducer) that allows for gene expression. The molecule is said to "induce expression".