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BURSTREG SIGNED

Single-molecule visualization of transcription dynamics to understand regulatory mechanisms of transcriptional bursting and its effects on cellular fitness

Total Cost €

0

EC-Contrib. €

0

Partnership

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 BURSTREG project word cloud

Explore the words cloud of the BURSTREG project. It provides you a very rough idea of what is the project "BURSTREG" about.

effect    conserved    continuous    arises    interestingly    followed    variability    dynamics    techniques    heterogeneity    though    stability    visualize    upstream    regulators    transcriptomes    cis    collision    promoter    observe    cell    endogenous    switching    human    organismal    first    random    largely    fashion    complexes    trans    gene    expression    transcript    unknown    progression    reveal    mutated    bacteria    stochastic    imaging    yeast    origin    bursting    organism    fate    orders    periods    contribution    tuned    decisions    time    synthesis    rna    influences    living    fitness    noisiness    examine    transcribed    regulated    proteins    molecules    transcriptional    molecule    cells    ing    output    site    depletion    magnitude    phenotypic    rate    behavior    noise    dynamic    quantified    inactivity    edge    transcription    binding    disease    vary    observing    molecular    single    patterns    changing    genes    regulatory    populations    cutting   

Project "BURSTREG" data sheet

The following table provides information about the project.

Coordinator
STICHTING HET NEDERLANDS KANKER INSTITUUT-ANTONI VAN LEEUWENHOEK ZIEKENHUIS 

Organization address
address: PLESMANLAAN 121
city: AMSTERDAM
postcode: 1066 CX
website: www.nki.nl

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 Netherlands [NL]
 Project website https://www.nki.nl/divisions/gene-regulation/lenstra-t-group/
 Total cost 1˙950˙775 €
 EC max contribution 1˙950˙775 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2017-STG
 Funding Scheme ERC-STG
 Starting year 2018
 Duration (year-month-day) from 2018-01-01   to  2022-12-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    STICHTING HET NEDERLANDS KANKER INSTITUUT-ANTONI VAN LEEUWENHOEK ZIEKENHUIS NL (AMSTERDAM) coordinator 1˙950˙775.00

Map

 Project objective

Transcription in single cells is a stochastic process that arises from the random collision of molecules, resulting in heterogeneity in gene expression in cell populations. This heterogeneity in gene expression influences cell fate decisions and disease progression. Interestingly, gene expression variability is not the same for every gene: noise can vary by several orders of magnitude across transcriptomes. The reason for this transcript-specific behavior is that genes are not transcribed in a continuous fashion, but can show transcriptional bursting, with periods of gene activity followed by periods of inactivity. The noisiness of a gene can be tuned by changing the duration and the rate of switching between periods of activity and inactivity. Even though transcriptional bursting is conserved from bacteria to yeast to human cells, the origin and regulators of bursting remain largely unknown. Here, I will use cutting-edge single-molecule RNA imaging techniques to directly observe and measure transcriptional bursting in living yeast cells. First, bursting properties will be quantified at different endogenous and mutated genes to evaluate the contribution of cis-regulatory promoter elements on bursting. Second, the role of trans-regulatory complexes will be characterized by dynamic depletion or gene-specific targeting of transcription regulatory proteins and observing changes in RNA synthesis in real-time. Third, I will develop a new technology to visualize the binding dynamics of single transcription factor molecules at the transcription site, so that the stability of upstream regulatory factors and the RNA output can directly be compared in the same cell. Finally, I will examine the phenotypic effect of different bursting patterns on organismal fitness. Overall, these approaches will reveal how bursting is regulated at the molecular level and how different bursting patterns affect the heterogeneity and fitness of the organism.

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The information about "BURSTREG" are provided by the European Opendata Portal: CORDIS opendata.

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