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How to Replicate Chromatin - Maturation, Timing Control and Stress-Induced Aberrations

Objective

Inheritance of DNA sequence and its proper organization into chromatin is fundamental for eukaryotic life. The challenge of propagating genetic and epigenetic information is met in S phase and entails genome-wide disruption and restoration of chromatin coupled to faithful copying of DNA. How specific chromatin structures are restored on new DNA and transmitted through mitotic cell division remains a fundamental question in biology central to understand cell fate and identity.
Chromatin restoration on new DNA involves a complex set of events including nucleosome assembly and remodelling, restoration of marks on DNA and histones, deposition of histone variants and establishment of higher order chromosomal structures including sister-chromatid cohesion. To dissect these fundamental processes and their coordination in time and space with DNA replication, we have developed a novel technology termed nascent chromatin capture (NCC) that provides unique possibility for biochemical and proteomic analysis of chromatin replication in human cells. I propose to apply this innovative cutting-edge technique for a comprehensive characterization of chromatin restoration during DNA replication and to reveal how replication timing and genotoxic stress impact on final chromatin state. This highly topical project brings together the fields of chromatin biology, DNA replication, epigenetics and genome stability and we expect to make groundbreaking discoveries that will improve our understanding of human development, somatic cell reprogramming and complex diseases like cancer.
The proposed research will 1) identify and characterize novel mechanisms in chromatin restoration and 2) address molecularly how replication timing and genotoxic insults influence chromatin maturation and final chromatin state.
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Principal Investigator

Anja Groth (Dr.)

Host institution

KOBENHAVNS UNIVERSITET

Address

Norregade 10
1165 Kobenhavn

Denmark

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 1 692 736,80

Principal Investigator

Anja Groth (Dr.)

Administrative Contact

Mette Bjørnlund (Ms.)

Beneficiaries (1)

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KOBENHAVNS UNIVERSITET

Denmark

EU Contribution

€ 1 692 736,80

Project information

Grant agreement ID: 281765

Status

Closed project

  • Start date

    1 November 2011

  • End date

    30 April 2017

Funded under:

FP7-IDEAS-ERC

  • Overall budget:

    € 1 692 736,80

  • EU contribution

    € 1 692 736,80

Hosted by:

KOBENHAVNS UNIVERSITET

Denmark