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HeteroDynamic SIGNED

Evolutionary Stability of Ubiquitous Root Symbiosis

Total Cost €


EC-Contrib. €






 HeteroDynamic project word cloud

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

variation    carbon    specificity    fusion    migrate    stabilize    resolve    core    predicts    sequestering    asexually    mediating    discoveries    eukaryotes    colonized    mix    reproduce    agricultural    promiscuous    stage    spores    single    fungi    ecologically    nuclei    discriminate    symbiosis    individuals    genetic    life    beneficial    complete    plants    theory    terrestrial    organismal    riders    nuclear    nucleate    counteract    natural    fungal    obligate    symbiont    environmental    temporally    hyphal    dynamic    genomics    prior    mycelial    organization    mycorrhizal    mixing    unlike    evolve    genetically    ago    roots    multiple    cycle    nucleus    biotrophs    fundamental    obtaining    host    biology    segregation    virtually    inability    free    networks    multinucleate    absence    temporal    thanks    soil    am    extensive    group    mycotrophs    ecosystems    450    heterokaryosis    genomic    dynamics    interaction    arbuscular    emergence    species    successful    forming    interactions    nutrient    million    spread    facultative    lie    instead    lifecycle    symbiotic    evolutionary   

Project "HeteroDynamic" data sheet

The following table provides information about the project.


Organization address
postcode: 751 05

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 Sweden [SE]
 Project website
 Total cost 1˙500˙000 €
 EC max contribution 1˙500˙000 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-STG
 Funding Scheme ERC-STG
 Starting year 2016
 Duration (year-month-day) from 2016-04-01   to  2021-03-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UPPSALA UNIVERSITET SE (UPPSALA) coordinator 1˙500˙000.00


 Project objective

Virtually all terrestrial plants depend on symbiotic interactions with fungi. Arbuscular mycorrhizal (AM) fungi evolved over 450 million years ago, are obligate biotrophs and cannot complete their lifecycle without obtaining carbon from host roots. Mediating nutrient uptake and sequestering carbon in soil this symbiosis lie at the core of all terrestrial ecosystems. Plants on the other hand are facultative mycotrophs but under natural conditions all host roots are colonized as a result of multiple beneficial effects of AM fungi. In the symbiosis, both plants and fungi are promiscuous, forming interactions across individuals and species. In the absence of host-symbiont specificity and given their inability to discriminate among partners prior to interaction, evolutionary theory predicts that “free riders” would evolve and spread. Yet AM fungi remain evolutionary and ecologically successful. I propose that this is thanks to their unique genomic organization, a temporally dynamic heterokaryosis.

Unlike other eukaryotes, AM fungi have no single nucleate stage in their life cycle, instead they reproduce asexually by forming large multinucleate spores. Genetic variation is high and nuclei can migrate and mix within extensive mycelial networks. My group has recently established a single nucleus genomics method to study genetic variation among nuclei within AM fungi. With this method I can resolve the extent of heterokaryosis in AM fungi and its temporal dynamics. I will study the emergence of “free riders” upon intra organismal segregation of genetically distinct nuclei during AM fungal adaptation to host. Further I will study how hyphal fusion and nuclear mixing counteract segregation to stabilize the symbiosis. The research program has great potential for novel discoveries of fundamental importance to evolutionary and environmental biology and will also contribute to agricultural practice and management of terrestrial ecosystems.

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

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