RNA polymerase II

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RNA polymerase II

[¦är¦en¦ā pə¦lim·ə‚rās ′tü]
(cell and molecular biology)
An enzyme that transcribes messenger ribonucleic acid sequences in the chromatin.
References in periodicals archive ?
Citation: "The RNA Pol II Elongation Factor E113 Marks Enhancers in ES Cells and Primes Future Gene Activation;" Chengqi Lin et al.
McKenna and Farrell (2010) used DNA sequences from 9 nuclear genes (elongation factor-1[alpha] (EF-1[alpha]), alanyl-tRNA synthetase (AATS), CAD, 6-phosphogluconate dehydrogenase (PGD), sans fille (SNF), triosephosphate isomerase (TPI), RNA Pol II, 28S, and 18S) to reconstruct the phylogeny of Holometabola with a focus on determining the phylogenetic placement of Strepsiptera.
Holometabola AATS, CAD, PGD, 2009a SNF, TPI, RNA Pol II Wiegmann et al.
This result suggests a direct mechanism by which temperature may influence gene expression, since it has been shown that RNA Pol II does not actively invade nucleosomes, but waits for local unwrapping of DNA from nucleosomes before extending transcription," said Wigge.