Ets-1 p51 and p42 isoforms differentially modulate stromelysin-1 promoter according to induced DNA bend orientation

Gabriel Leprivier, David Baillat, Agnès Begue, Brigitte Hartmann, Marc Aumercier

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The Stromelysin-1 gene promoter contains a palindrome of two Ets-binding sites (EBS) that bind the p51 and p42 isoforms of the human Ets-1-transcription factor. A previous study established that full gene transactivation is associated with a ternary complex consisting of two p51 bound to the two EBS on the promoter. p42, only able to bind one of the two EBS, induces only very weak activity. Here, we investigate the mechanism by which the Stromelysin-1 promoter discriminates between p51 and p42. The differential stoichiometry of the two Ets-1 isoforms arises from the Stromelysin-1 EBS palindrome. The ternary complex requires the presence of two inhibitory domains flanking the DNA-binding domain and the ability to form an intramolecular autoinhibition module. Most importantly, the p51-ternary and the p42-binary complexes induce DNA curvatures with opposite orientations. These results establish that differential DNA bending, via p51 and p42 differential binding, is correlated with the Stromelysin-1 promoter activation process.

Original languageEnglish (US)
Pages (from-to)4341-4352
Number of pages12
JournalNucleic Acids Research
Volume37
Issue number13
DOIs
StatePublished - 2009
Externally publishedYes

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Matrix Metalloproteinase 3
Protein Isoforms
Binding Sites
DNA
Proto-Oncogene Protein c-ets-1
Transcriptional Activation
Genes

ASJC Scopus subject areas

  • Genetics

Cite this

Ets-1 p51 and p42 isoforms differentially modulate stromelysin-1 promoter according to induced DNA bend orientation. / Leprivier, Gabriel; Baillat, David; Begue, Agnès; Hartmann, Brigitte; Aumercier, Marc.

In: Nucleic Acids Research, Vol. 37, No. 13, 2009, p. 4341-4352.

Research output: Contribution to journalArticle

Leprivier, Gabriel ; Baillat, David ; Begue, Agnès ; Hartmann, Brigitte ; Aumercier, Marc. / Ets-1 p51 and p42 isoforms differentially modulate stromelysin-1 promoter according to induced DNA bend orientation. In: Nucleic Acids Research. 2009 ; Vol. 37, No. 13. pp. 4341-4352.
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AU - Aumercier, Marc

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