Project description
Revisiting the rules of heredity
It is now well established that inheritance involves both the transmission of genetic information as well as epigenetic traits from parents to offspring. Emerging evidence in certain nematodes indicates that certain small RNAs can also be inherited, challenging the basic concepts of genetic-based inheritance. The EU-funded RNAflashbacks project will investigate how specific small interfering RNAs made in neurons can transmit adaptive memory to progeny. Results will provide fundamental knowledge on modes of inheritance and on the type of responses that can actually be transmitted to the offspring. Researchers will also develop tools for modulating the transmission of such molecules.
Objective
Little is known about non-DNA mediated transgenerational inheritance of parental responses. If inheritance of non-genetic materials is prevalent, it could challenge our conceptions regarding the rules and limits of heredity. We are in particularly intrigued by the possibility that the nervous system can produce heritable changes. Mechanisms for propagation of responses from the soma to the germline are known. Until very recently, the possibility that any type of environmental response could become heritable, let alone somatic responses, was considered blasphemous. In C. elegans nematodes, exogenously-supplied artificial dsRNA transfers from the soma to the germline, triggering transgenerational small RNA-mediated RNA interference. It is unknown whether endogenous small RNAs can transmit specific information about the environment to the progeny. We will investigate if endogenous siRNAs, which are naturally made in somatic tissues, and in particular in neurons, produce transgenerational responses. Specifically, we will test which RNA molecules act transgenerationally, how do they mediate non-cell autonomous gene regulation, and which responses can be communicated to the progeny. What is the code that transforms particular environmental responses to specific arsenals of heritable RNA molecules? We will answer these questions, and moreover study the implications that this completely new form of hereditary has for the offspring’s survival. Can heritable small RNAs retain adaptive memory? Not only will we elucidate natural transmission of the parents’ activity from generation-to-generation, we will moreover devise means to control these mechanisms. We will engineer tools to diagnose, erase, maintain, and modulate the heritable effects, which would be important for basic research and hopefully also translational in the future.
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 RNA
- natural sciences biological sciences genetics heredity
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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)
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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-COG - Consolidator 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-2018-COG
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69978 Tel Aviv
Israel
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