Review

Transcriptional Coregulators in Development

Science  23 Apr 1999:
Vol. 284, Issue 5414, pp. 606-609
DOI: 10.1126/science.284.5414.606

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Abstract

Small differences in the levels of an extracellular signaling molecule can specify cell fate during development. Threshold responses are often determined at the level of transcription. Cell-specific and spatially localized patterns of gene expression depend on combinations of sequence-specific activators and repressors that bind to extensive cis-regulatory regions. Different mechanisms for integrating this complex regulatory information are discussed, particularly the role of coregulatory proteins, which are recruited to the DNA template by sequence-specific transcription factors. Recent studies suggest that a growing set of coactivators and corepressors mediate communication between diverse upstream regulatory proteins and the core RNA polymerase II transcription complex.

  • * To whom correspondence should be addressed. E-mail: mlevine{at}uclink4.berkeley.edu

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