EPIN

Maintenance of epigenome integrity in response to DNA damage

Coordinatore	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE    more Spiacenti, non ci sono informazioni su questo coordinatore. Contattare Fabio per maggiori infomrazioni, grazie.
Nazionalità Coordinatore	France [FR]
Totale costo	1˙500˙000 €
EC contributo	1˙500˙000 €
Programma	FP7-IDEAS-ERC Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	ERC-2013-StG
Funding Scheme	ERC-SG
Anno di inizio	2014
Periodo (anno-mese-giorno)	2014-03-01   -   2019-02-28

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE  Organization address address: Rue Michel -Ange 3 city: PARIS postcode: 75794 contact info Titolo: Dr. Nome: "Sophie,ella,anne" Cognome: Polo Email: send email Telefono: +33 1 57 27 89 30 Fax: +33 1 57 27 89 12	FR (PARIS)	hostInstitution	1˙500˙000.00
2	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE  Organization address address: Rue Michel -Ange 3 city: PARIS postcode: 75794 contact info Titolo: Mr. Nome: Patrick Cognome: Mounaud Email: send email Telefono: +33 1 49604059 Fax: +33 1 49604059	FR (PARIS)	hostInstitution	1˙500˙000.00

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 Obiettivo del progetto (Objective)

'Protection of genome integrity is crucial for maintaining cell identity and viability. However, the organisation of DNA with histone proteins into chromatin in eukaryotic cell nuclei poses structural constraints to the detection and repair of DNA lesions. Dynamic and tightly controlled changes in chromatin organisation are thus critical for an efficient response to DNA damage, while at the same time preserving chromatin integrity. Yet, the underlying regulatory mechanisms are still poorly characterised, particularly in higher eukaryotes. Here, we describe a range of complementary approaches using cutting-edge imaging to address this issue in mammalian cells. Our aim is to investigate DNA damage-induced alterations at distinct levels of chromatin organisation, from histone proteins up to higher-order chromatin structure, and to explore the underlying mechanisms. (1) We first intend to provide a detailed analysis of histone variant dynamics at DNA damage sites by combining local induction of DNA lesions with pulse-chase imaging of histone proteins. (2) To examine how these dynamics are reflected at the level of higher-order chromatin folding, we will quantitatively visualise changes in chromatin compaction in cells exposed to genotoxic stress. For this, we will implement a recent FLIM-FRET-based approach and also exploit super-resolution fluorescence microscopy. (3) We will examine the spatio-temporal regulation of damaged chromatin reorganisation, analyse how it connects with DNA damage signalling and repair pathways, and characterise the histone chaperones and chromatin remodelling factors involved. (4) To broaden the range of candidate regulatory factors, we will screen for novel players in the DNA damage response among chromatin-associated proteins using laser micro-irradiation induced damage. Altogether, these integrated approaches should provide new insights into the molecular mechanisms that coordinate the maintenance of genome and epigenome integrity.'