Developmental regulation of transcription initiation: more than just changing the actors - PubMed (original) (raw)

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Developmental regulation of transcription initiation: more than just changing the actors

Ferenc Müller et al. Curr Opin Genet Dev. 2010 Oct.

Abstract

The traditional model of transcription initiation nucleated by the TFIID complex has suffered significant erosion in the last decade. The discovery of cell-specific paralogs of TFIID subunits and a variety of complexes that replace TFIID in transcription initiation of protein coding genes have been paralleled by the description of diverse core promoter sequences. These observations suggest an additional level of regulation of developmental and tissue-specific gene expression at the core promoter level. Recent work suggests that this regulation may function through specific roles of distinct TBP-type factors and TBP-associated factors (TAFs), however the picture emerging is still far from complete. Here we summarize the proposed models of transcription initiation by alternative initiation complexes in distinct stages of developmental specialization during vertebrate ontogeny.

Copyright © 2010 Elsevier Ltd. All rights reserved.

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