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You can validate the interactions by knockding down (KD) or overexpressing (OE) a gene and checking the change in expression levels of the downstream nodes. You can do this in a high throughput fashion using microarray or RNAseq. For protein you can do an LC-MS. However this method cannot help you in: Differentiating direct vs indirect interactions Finding ...


9

Here I will assume we are talking about eukaryotic sequence specific transcription factors (ssTFs) and try to answer your first and part of the second question. There is in any case not definitive answer yet. An estimate of ssTFs genes in humans is given in the 2009 Nature Reviews Genetics paper by Vaquerizas, JM et al, A census of human transcription ...


2

Removal of 5' cap is essential for degradation by 5'→3' exonucleases such as Xrn1/2. Xrn1/2 is constitutive and degradation of uncapped RNAs would be quite fast (don't have a reference for the exact lifetime). Deadenylation generally precedes 3'→5' degradation by exosome but I am not sure if that is a prerequisite. However tailless mRNAs can be stabilized by ...



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