نتایج جستجو برای: gene activators
تعداد نتایج: 1148624 فیلتر نتایج به سال:
In the opportunistic pathogen Pseudomonas aeruginosa, quorum sensing (QS) via acyl-homoserine lactone (AHL) signals coordinates virulence gene expression. AHL signals must reach a critical threshold before enough is bound by cognate regulators LasR and RhlR to drive transcription of target genes. In addition, three anti-activator proteins, QteE, QscR, and QslA, sequester QS regulators to increa...
For gene regulation, some transcriptional activators bind periodically to promoters with either a fast (approximately 1 minute) or a slow (approximately 15 to 90 minutes) cycle. It is uncertain whether the fast cycle occurs on natural promoters, and the function of either cycle in transcription remains unclear. We report that fast and slow cycling can occur simultaneously on an endogenous yeast...
Master regulators, such as Sox2, Oct4 and Nanog, control complex gene networks necessary for the self-renewal and pluripotency of embryonic stem cells (ESC). These master regulators associate with co-activators and co-repressors to precisely control their gene targets. Recent studies using proteomic analysis have identified a large, diverse group of co-activators and co-repressors that associat...
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