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Cryo-EM Imaging of Histone Recycling at the Replication Fork

Total Cost €


EC-Contrib. €






 Cryo-H-Rec project word cloud

Explore the words cloud of the Cryo-H-Rec project. It provides you a very rough idea of what is the project "Cryo-H-Rec" about.

chromosomal    eukaryotic    duplicate    ms    unravel    histone    disassembly    intend    reassembles    incorporation    elucidate    crosslinking    complementary    dissect    perform    duplication    epigenetic    controls    organisation    replisome    chromosome    cells    molecular    recycling    structural    chromatin    techniques    packaged    transmission    proteins    mass    maintaining    intermediate    newly    underpins    image    material    machinery    subject    histones    multidisciplinary    densely    regions    daughter    resort    ptms    regulating    translational    seek    nucleosomes    code    duplicated    nascent    density    strands    silencing    concerted    parental    reconstitution    cryo    modifications    form    mechanism    dna    capture    dismantles    vitro    replication    activation    solution    fork    ahead    inheritance    describe    proliferation    marks    modulates    em    intermediates    nmr    nucleosome    array    employ    expression    template    synthesized    spectrometry    chromatinised    components    cell    genetic    microscopy    post    spectroscopy    xl    gene    electron    protects    arrays    reshuffling    characterise    pivotal    redeposition   

Project "Cryo-H-Rec" data sheet

The following table provides information about the project.


Organization address
address: 1 MIDLAND ROAD
city: LONDON
postcode: NW1 1AT

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Total cost 212˙933 €
 EC max contribution 212˙933 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2018
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2019
 Duration (year-month-day) from 2019-04-01   to  2021-03-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

DNA replication is essential for cell proliferation. In eukaryotic cells, DNA is densely packaged in nucleosome arrays that form chromatin. Such organisation protects the genetic material and controls access to DNA, thus providing an important mechanism for regulating gene expression. The eukaryotic replication machinery has evolved to unravel nucleosomes in order to access and duplicate DNA, while also maintaining chromatin density on newly duplicated DNA. To achieve this, the replisome dismantles nucleosomes ahead of the replication fork and reassembles them on nascent DNA strands, by coordinating redeposition of parental and newly synthesized histones. Histone proteins are subject to an array of post-translational modifications (PTMs), providing an epigenetic code that modulates activation and silencing of specific chromosomal regions. Redeposition of parental histones with their PTMs on both nascent DNA strands is, thus, pivotal in transmission of the epigenetic marks to daughter cells. I intend to perform in vitro reconstitution of the replisome on a chromatinised template and use cryo-electron microscopy to image DNA duplication and parental histone recycling at the replication fork. I seek to describe different structural intermediates in the process of nucleosome disassembly, DNA duplication and histone incorporation into new nucleosomes. To capture and characterise intermediate states of the replication machinery during this concerted process, I will employ a multidisciplinary approach and resort to structural techniques complementary to cryo-EM like solution NMR spectroscopy and crosslinking-mass spectrometry (XL-MS). My results will help dissect the role of different replisome components in nucleosome reshuffling at the replication fork, and elucidate the molecular mechanism that underpins chromosome replication and epigenetic inheritance.

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The information about "CRYO-H-REC" are provided by the European Opendata Portal: CORDIS opendata.

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