CHROMATRANSCRIPT

Role of the chromatin architecture in the regulation of gene transcription

Coordinatore	UNIVERSITE DE RENNES I    more  Organization address address: RUE DU THABOR 2 city: RENNES CEDEX postcode: 35065 contact info Titolo: Mrs. Nome: Yolaine Cognome: Bompays Email: send email Telefono: 33223233723
Nazionalità Coordinatore	France [FR]
Totale costo	100˙000 €
EC contributo	100˙000 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2011-CIG
Funding Scheme	MC-CIG
Anno di inizio	2012
Periodo (anno-mese-giorno)	2012-01-01   -   2015-12-31

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	UNIVERSITE DE RENNES I  Organization address address: RUE DU THABOR 2 city: RENNES CEDEX postcode: 35065 contact info Titolo: Mrs. Nome: Yolaine Cognome: Bompays Email: send email Telefono: 33223233723	FR (RENNES CEDEX)	coordinator	100˙000.00

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 Obiettivo del progetto (Objective)

'The complex architecture displayed by the chromatin inside the nucleus of eukaryotic cells plays an important role in several key cellular processes such as the regulation of gene expression, DNA replication and DNA repair. The dynamics of this chromatin architecture remains however poorly characterized. While at “steady state” the chromatin organization is thought to be relatively stable along the entire interphase, dramatic modifications of this architecture has been observed in response to external stimuli. In particular, the activation or repression of gene transcription is often associated with local changes in the level of chromatin compaction and with gene repositioning inside the nucleus. A precise understanding of the mechanism underlying this chromatin reorganization is impeded by the lack of a complete description of the dynamics of the restructuring process.

With the “ChromaTranscript” project, the researcher proposes to investigate the process of nuclear restructuring in association to transcriptional activation or repression of estrogen-regulated genes using an original approach at the interface between biology, physics and advanced microscopy. The three following questions will be investigated: 1) What is the dynamic of the nuclear reorganization process at the scale of a single chromosome ? 2) What are the changes in the fine chromatin structure underlying the micron-scale nuclear reorganizations studied in 1) ? 3) Is nuclear reorganization the cause or the consequence of the change in transcription activity ?

The interdisciplinary approach which is proposed in the project combines tagging methods, used to label in fluorescence single chromosome or specific gene loci in living cells, and advanced light microscopy methods allowing the monitoring, at different scales in space and time, of the process of nuclear restructuring in association to transcription modulation.'