Drosophila Mediator complex is broadly utilized by diverse gene-specific transcription factors at different types of core promoters

Mo Park Jin Mo Park, Soo Gim Byung Soo Gim, Mo Kim Jung Mo Kim, Ho Yoon Jeong Ho Yoon, H. S. Kim, J. G. Kang, Young-Joon Kim

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

To decipher the mechanistic roles of Mediator proteins in regulating developmental specific gene expression and compare them to those of TATA-binding protein (TBP)-associated factors (TAFs), we isolated and analyzed a multiprotein complex containing Drosophila Mediator (dMediator) homologs. dMediator interacts with several sequence-specific transcription factors and basal transcription machinery and is critical for activated transcription in response to diverse transcriptional activators. The requirement for dMediator did not depend on a specific core promoter organization. By contrast, TAFs are preferentially utilized by promoters having a specific core element organization. Therefore, Mediator proteins are suggested to act as a pivotal coactivator that integrates promoter-specific activation signals to the basal transcription machinery.

Original languageEnglish
Pages (from-to)2312-2323
Number of pages12
JournalMolecular and Cellular Biology
Volume21
Issue number7
DOIs
Publication statusPublished - 2001 Mar 28

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Mediator Complex
TATA-Binding Protein Associated Factors
Drosophila
Transcription Factors
Genes
Developmental Genes
Multiprotein Complexes
Proteins
Gene Expression

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Cell Biology

Cite this

Jin Mo Park, Mo Park ; Byung Soo Gim, Soo Gim ; Jung Mo Kim, Mo Kim ; Jeong Ho Yoon, Ho Yoon ; Kim, H. S. ; Kang, J. G. ; Kim, Young-Joon. / Drosophila Mediator complex is broadly utilized by diverse gene-specific transcription factors at different types of core promoters. In: Molecular and Cellular Biology. 2001 ; Vol. 21, No. 7. pp. 2312-2323.
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Drosophila Mediator complex is broadly utilized by diverse gene-specific transcription factors at different types of core promoters. / Jin Mo Park, Mo Park; Byung Soo Gim, Soo Gim; Jung Mo Kim, Mo Kim; Jeong Ho Yoon, Ho Yoon; Kim, H. S.; Kang, J. G.; Kim, Young-Joon.

In: Molecular and Cellular Biology, Vol. 21, No. 7, 28.03.2001, p. 2312-2323.

Research output: Contribution to journalArticle

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