RIBOGENES

The role of noncoding RNA in sense and antisense or orientation in epigenetic control of rRNA genes

Coordinatore	DEUTSCHES KREBSFORSCHUNGSZENTRUM    more Spiacenti, non ci sono informazioni su questo coordinatore. Contattare Fabio per maggiori infomrazioni, grazie.
Nazionalità Coordinatore	Germany [DE]
Totale costo	831˙756 €
EC contributo	831˙756 €
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-2008-AdG
Funding Scheme	ERC-AG
Anno di inizio	2009
Periodo (anno-mese-giorno)	2009-03-01   -   2014-02-28

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	DEUTSCHES KREBSFORSCHUNGSZENTRUM  Organization address address: Im Neuenheimer Feld 280 city: HEIDELBERG postcode: 69120 contact info Titolo: Dr. Nome: Ina Cognome: Krischek Email: send email Telefono: +49 6221 42 2700 Fax: +49 6221 42 2708	DE (HEIDELBERG)	hostInstitution	831˙756.00
2	DEUTSCHES KREBSFORSCHUNGSZENTRUM  Organization address address: Im Neuenheimer Feld 280 city: HEIDELBERG postcode: 69120 contact info Titolo: Prof. Nome: Ingrid Cognome: Grummt Email: send email Telefono: ++49 6221 42 3423 Fax: ++49 6221 42 3467	DE (HEIDELBERG)	hostInstitution	831˙756.00

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 Obiettivo del progetto (Objective)

'Non-coding RNAs (ncRNAs) play a significant role in the control of gene expression and epigenetic regulation. It seems that ncRNAs might be numerous and highly adapted in roles that require specific nucleic acid recognition without complex catalysis, such as in guiding RNA modifications or in directing post-transcriptional regulation of gene expression and chromatin structure. Our previous work has revealed that NoRC, a chromatin remodeling complex that triggers heterochromatin formation and transcriptional silencing of a fraction of rRNA genes, is associated with 100-250 nt RNAs that originate from the intergenic spacer (IGS) separating rDNA repeats. Furthermore, a fraction of rDNA is transcribed in antisense orientation. Both IGS RNA and antisense transcripts display a growth- and tissue-specific expression pattern. The goal of this project is to decipher the role of NoRC-associated RNA in alterations of chromatin structure and epigenetic control of rDNA. Our research will focus on the synthesis, regulation, and processing of intergenic and antisense transcripts in response to cell growth and differentiation as well as on the role of NoRC-associated RNA in epigenetic regulation of rRNA genes. The following points will be addressed: (1) Deciphering the mechanism underlying RNA-directed establishment of specific epigenetic marks and formation of silent chromatin domains, (2) Functional analysis of posttranscriptional modifications that regulate RNA binding and NoRC activity, (3) Identification of non-ribosomal target genes of NoRC, and (4) Elucidation of the link between transcriptional activity and active demethylation of the rDNA promoter. Given the fact that basic regulatory principles are conserved throughout evolution, this work will have a great impact on our understanding of RNA-directed silencing mechanisms and will reveal how epigenetic defects cause human diseases.'