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DOUBLE-TROUBLE SIGNED

Replaying the ‘genome duplication’ tape of life: the importance of polyploidy for adaptation in a changing environment

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 DOUBLE-TROUBLE project word cloud

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

environment    extinction    establishment    spirodela    obtain    put    instance    observation    adaptive    grow    questions    speculation    underpinnings    dynamics    stress    running    evolutionary    evolution    environmental    faster    stressful    resequencing    chlamydomonas    plants    life    species    subject    duplication    shift    evolvability    niche    complementary    limited    mechanistic    complement    thousands    tape    polyploids    paucity    artificial    replaying    adapt    digital    consequently    rare    genomes    mass    polyploidisation    polyploidy    eco    ancestors    vivo    majority    animals    provides    paradox    wgds    hypotheses    fascinating    considerable    survived    experiments    model    outcompete    exceedingly    longer    periods    polyploid    ancient    unravel    employed    undergone    climate    relationship    run    organisms    changing    unsuitable    insights    integrating    duplications    causes    perspective    silico    genome    existence    times   

Project "DOUBLE-TROUBLE" data sheet

The following table provides information about the project.

Coordinator
VIB VZW 

Organization address
address: RIJVISSCHESTRAAT 120
city: ZWIJNAARDE - GENT
postcode: 9052
website: www.vib.be

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 Belgium [BE]
 Total cost 2˙500˙000 €
 EC max contribution 2˙500˙000 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2018-ADG
 Funding Scheme ERC-ADG
 Starting year 2020
 Duration (year-month-day) from 2020-01-01   to  2024-12-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    VIB VZW BE (ZWIJNAARDE - GENT) coordinator 2˙500˙000.00

Map

 Project objective

Thousands of species are polyploid. However, the long-term establishment of organisms that have undergone ancient whole genome duplications (WGDs) has been exceedingly rare and when we analyse the genomes of plants and animals, we can, at most, find evidence for a very limited number of WGDs that survived on the longer term. The paucity of (established) ancient genome duplications and the existence of so many species that are currently polyploid provides a fascinating paradox. There is growing evidence that the majority of ancient WGDs were established at specific times in evolution, for instance during periods of environmental change and periods of mass-extinction. The reason for this ‘stress’-polyploidy relationship has been the subject of considerable speculation and several hypotheses have been put forward to explain this observation: (a) stressful conditions promote polyploid formation; (b) polyploidisation causes a niche shift allowing polyploids to grow in conditions that are unsuitable for their non-polyploid ancestors; and (c) polyploids have an increased evolvability and consequently adapt faster to a changing environment. Here, we want to unravel the mechanistic underpinnings of why and how polyploids can outcompete non-polyploids. We will address these questions by replaying the ‘genome duplication tape of life’ in two different model systems, namely Chlamydomonas and Spirodela. We will run long-term evolutionary (and resequencing) experiments. We will complement these experiments with in-silico experiments based on so-called digital organisms running on artificial genomes. Complementary modelling approaches will also be employed to study the effects of polyploidy from an eco-evolutionary dynamics perspective. By integrating the results obtained from these in vivo and in silico experiments, we will obtain important novel insights in the adaptive potential of polyploids under stressful conditions or during times of environmental and/or climate change.

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