Project description
Identification of silencers in the human genome
Most of the human genome contains regulatory elements such as promoters, enhancers and insulators that control the spatiotemporal expression of protein-coding genes. The EU-funded Silencer project will focus on the investigation of silencers, the regulatory elements that repress the transcription of genes, which have been largely understudied. Researchers will employ a novel approach to identify functional silencer elements in an unbiased way alongside their epigenetic modifications and sequence motifs. Project results will unveil new biological pathways regulated by silencers as well as the involvement of these regulatory elements in various diseases.
Objective
Less than 1.5% of the human genome contains protein coding information of the estimated 25,000 genes. The rest of the non-coding genome includes many regulatory elements that control the spatial and temporal transcription of genes. With the help of the non-coding regulatory elements, the diverse cell types and tissues of a complex human body could be derived from the combinational expression of a limited number of genes from the same copy of the genome. Most regulatory elements (REs) have been characterized extensively, e.g. promoters, enhancers and insulators. These REs have been implicated to play very important roles in cell physiology, tissue development and disease onsets. Surprisingly, one class of REs—silencers—which repress the transcription of genes, have not been systematically characterized and studied. I have developed a lentiviral system to systematically identify functional silencer elements. In the small-scale proof-of-principle experiments, by focusing on the transcriptional factor (TF) accessible DNA sequences, I showed that this system is robust to identify novel and bona fide silencers, which could be validated using complementary functional assays such as luciferase and CRISPR knockout assays. In this proposed research plan, I aim to identify silencers in an unbiased way, rather than focusing on TF accessible regions, to have a more general understanding of the biology of silencers. Based on the unbiased identification of silencers, I aim to identify a general pattern of epigenetic modifications of silencers, unique combination of sequence motifs, responsible regulatory TFs, biological pathways that are regulated by silencers, diseases that might be related to mutations in silencers, and finally better manipulation strategies of silencers.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences biological sciences genetics DNA
- natural sciences biological sciences biochemistry biomolecules proteins
- natural sciences biological sciences genetics mutation
- medical and health sciences basic medicine physiology
- natural sciences biological sciences genetics genomes
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.1. - EXCELLENT SCIENCE - European Research Council (ERC)
MAIN PROGRAMME
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Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
ERC-STG - Starting Grant
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Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) ERC-2020-STG
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2333 ZA Leiden
Netherlands
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