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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.

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

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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