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Bacteria-phage-antibiotic interactions in variable environments: a community ecology perspective

Total Cost €


EC-Contrib. €






 COEXIST project word cloud

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

inform    alone    insights    ecological    efforts    phages    theoretical    antibiotics    sustaining    functions    temporal    realisation    poor    effect    surprisingly    interaction    concentration    rapid    vary    epidemiological    ecology    molecular    maintaining    escherichia    critical    gut    operation    lie    performance    conduct    pathogenic    explanations    resolution    naturally    combined    throughput    nutrient    technologies    mechanisms    parasitism    appear    antimicrobial    time    regulating    there    microbial    plays    model    viral    evolutionary    strain    coli    bacterial    hold    communities    human    equilibrium    spatial    theory    experiments    leveraging    parasites    series    community    dynamic    maintenance    biological    nature    scales    agents    diversity    health    determinant    environments    dynamics    unlikely    variability    innovative    space    ecosystem    linear    coexistence    catalogue    life    paradox    services    multiple    environmental    species   

Project "COEXIST" data sheet

The following table provides information about the project.


Organization address
address: Raemistrasse 101
postcode: 8092

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 Switzerland [CH]
 Total cost 187˙419 €
 EC max contribution 187˙419 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2016
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2018
 Duration (year-month-day) from 2018-07-01   to  2020-06-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

There is increasing awareness that diversity in microbial communities likely plays a critical role in multiple biological processes, from regulating human health to sustaining ecosystem services. Along with advances in molecular technologies, this realisation has seen a rapid growth in efforts to catalogue microbial life, and yet we still have a surprisingly poor understanding of the mechanisms maintaining microbial diversity. With up to 1,000 different species in the human gut alone, classical ecological explanations for diversity maintenance appear unlikely to hold. A resolution to this coexistence paradox may lie in the dynamic nature of microbial environments. The goal of this project is to investigate whether recent theoretical advances in understanding coexistence in non-equilibrium systems can provide insights into microbial diversity in the presence of viral parasites and antimicrobial agents that naturally vary in concentration in space and time. To this end, I will conduct a series of innovative experiments on multi-strain communities of pathogenic and non-pathogenic Escherichia coli under spatial and temporal variability in nutrient resources, phages and antibiotics. The project is unique in community ecology in leveraging high-throughput methods in a model microbial system of significant human interest; and in its focus on the interaction between non-linear growth functions and environmental variability as a critical determinant of community dynamics. The results will i) enhance our understanding of the role of viral parasitism in regulating diversity; ii) provide insight into emerging theory on the operation of coexistence mechanisms at different spatial and temporal scales; and iii) inform evolutionary and epidemiological research into the combined effect of antibiotics and phages on bacterial performance.

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

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