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PLAS-FIGHTER

Financiado

Exploiting plasmid–bacteria interactions to fight the evolution of antimicrobial...

Exploiting plasmid–bacteria interactions to fight the evolution of antimicrobial resistance The discovery of antibiotics revolutionised the fight against infectious diseases and paved the way for modern medicine. However, widespread use of antibiotics has driven rampant evolution of antimicrobial resistance (AMR) in bact... ver más

31/01/2029

CSIC

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

AGENCIA ESTATAL CONSEJO SUPERIOR DE INVESTIGA... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 2-3 | 552M€

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2023-03-06

ERC-2022-COG: ERC CONSOLIDATOR GRANTS Scope:Objectives

I+D

Cerrada hace 2 años

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1 Participantes

CSIC

2.00M€ | Lider

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Duración del proyecto: 70 meses Fecha Inicio: 2023-03-06
Fecha Fin: 2029-01-31

Líder del proyecto

AGENCIA ESTATAL CONSEJO SUPERIOR DE INVESTIGA... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 2-3 | 552M€

Presupuesto del proyecto 2M€

Descripción del proyecto The discovery of antibiotics revolutionised the fight against infectious diseases and paved the way for modern medicine. However, widespread use of antibiotics has driven rampant evolution of antimicrobial resistance (AMR) in bacteria. The main route for AMR acquisition in clinically important bacteria is the horizontal transfer of plasmids (conjugation-competent mobile genetic elements) carrying resistance genes. AMR plasmids allow bacteria to survive antibiotics, but they also entail physiological alterations in the host cell. Recent results from my group and others reveal that AMR plasmids (i) produce a shared set of physiological alterations in the bacterial host and (ii) induce changes in host antibiotic susceptibility profiles. The goal of PLAS-FIGHTER is to exploit plasmid-induced physiological effects in bacteria to develop new ecology- and evolution-informed strategies against plasmid-mediated AMR. First, we will use genome-wide CRISPRi screening technology to dissect the molecular basis and functional consequences of plasmid-induced physiological effects in clinical bacteria at an unprecedented level of resolution, revealing new specific targets in AMR plasmid-carrying cells. Second, we will perform high-throughput susceptibility assays, using inhibitors of the targets revealed in the first objective and a wide range of antibiotics in a collection of paired isogenic plasmid-carrying & plasmid-free bacterial strains of the highest clinical relevance. Crucially, we will perform experiments and test candidate treatments in a gradient of increasing ecological complexity, in terms both of community composition (from monocultures to human gut communities) and habitat structure (from in vitro lab cultures to the mouse gut). In PLAS-FIGHTER, I will build on my established expertise and pioneering results to develop a novel, multidisciplinary, ground-breaking project that will open up new research avenues towards ecology- and evolution-informed anti-AMR strategies.

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