Project description
A new approach to gauge M.tb response to antibiotics
Mycobacterium tuberculosis (M.tb) is the causative agent of tuberculosis, responsible for millions of deaths every year in Asian and African countries. Continuous efforts towards the development of novel and more effective treatments emphasise the need to understand how the intracellular environment affects the response of Mycobacteria to antibiotics. The EU-funded SpaTime_AnTB project proposes to study the mechanisms through which intracellular Mycobacteria respond to antibiotics in host cells using cutting-edge imaging technologies. The project's findings will provide essential knowledge on Mycobacterium biology and identify the spatial and metabolic determinants of drug response, opening new avenues for the design of therapeutic interventions.
Objective
Mycobacterium tuberculosis (Mtb), the causative agent of tuberculosis (TB), is an intracellular pathogen that killed 1.6 million people in 2017. Despite its enormous relevance for TB treatment, how intracellular environments affect the response of Mtb to antibiotics remain poorly characterised. This gap in knowledge is mainly due to the lack of appropriate technologies that have precluded comprehensive understanding of the response of intracellular pathogens to antibiotics, critical to design rational interventions.
Here, I propose to use cutting-edge imaging approaches to define: (i) Mtb responses towards specific host-subcellular microenvironments by single-cell live long-term imaging in infected human stem cell-derived macrophages (iPSDM); (ii) the dynamics of antibiotic-mediated killing mechanisms using mycobacterial fluorescent reporters and high resolution correlative microscopy and (iii) the spatial and metabolic features of the Mtb response to antibiotics in vivo using a TB mouse model.
For this, I will capitalise on technologies developed in the host group to quantify Mtb localisation and replication at the single-cell level combined with correlative electron microscopy (CLEM and CLEIM) approaches. This project will challenge the current limits of high content imaging by combining iPSDM with micro-patterning technologies for single-cell analysis. This will allow the identification of Mtb responses to antibiotics in host cells and how different intracellular microenvironments impact this process in cellulo and in vivo.
Together, this proposal has the potential to uncover novel mechanisms of action of antibiotics in human macrophages, opening new avenues for a deeper understanding of human TB treatment and facilitate the discovery of new antibiotics.
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 physical sciences optics microscopy electron microscopy
- medical and health sciences clinical medicine pneumology tuberculosis
- medical and health sciences basic medicine pharmacology and pharmacy pharmaceutical drugs antibiotics
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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.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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Topic(s)
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.
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
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.
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.
MSCA-IF-EF-ST - Standard EF
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) H2020-MSCA-IF-2019
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
NW1 1AT London
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.