Opendata, web and dolomites


Dating Plastid Endosymbiosis and Diversification in Eukaryotic Algae

Total Cost €


EC-Contrib. €






 AlgDates project word cloud

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

shifts    deep    hence    genes    molecular    calibrations    record    models    fossil    correlation    taxonomic    corresponding    sampling    questions    secondary    sufficient    impossible    novo    dating    500    ecosystem    generate    extant    lineages    timing    sequencing    marker    perform    estimate    diversification    living    respectively    shed    thanks    post    phylogenomic    coding    200    predicting    green    correlate    calcareous    red    acquisitions    2nd    primary    species    evolution    climate    broadest    lack    rates    eukaryotic    reef    first    gen    phylogeny    fairly    regarding    times    cover    1st    computational    events    photosynthetic    divergence    algdates    transitions    de    history    markers    258    speciation    myr    clock    adaptations    nuclear    dasycladales    groups    140    plastid    transcriptomic    track    data    algae    datasets    acquired    unknown    light    proper    collaborations    planed    dataset    evolutionary    rate    tree    endosymbiotic    corallinales   

Project "AlgDates" data sheet

The following table provides information about the project.


Organization address
postcode: 91405

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 France [FR]
 Project website
 Total cost 173˙076 €
 EC max contribution 173˙076 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2015
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2016
 Duration (year-month-day) from 2016-07-01   to  2018-06-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITE PARIS-SUD FR (ORSAY CEDEX) coordinator 173˙076.00


 Project objective

Eukaryotic algae evolutionary history is still fairly unknown. Thanks to state-of-the-art evolutionary models, next-gen sequencing and high computational capabilities, we are going to shed some light on the matter. Corallinales (red algae) and Dasycladales (green algae) are two extant living groups of calcareous algae with a rich fossil record (~140 and ~500 myr respectively). The lack of sufficient molecular data for these groups makes impossible to use such species in eukaryotic phylogeny and dating studies. This project has been planed to cover 2 objectives or evolutionary questions: The 1st objective aims 1) to generate de novo transcriptomic data for about 10 species corresponding to different Corallinales and Dasycladales lineages in order to perform phylogenomic analyses with 2 established datasets (one of 200 nuclear-coding plastid markers, and the other with 258 non-plastid genes) and the broadest possible eukaryotic taxonomic sampling; and 2) to perform molecular clock analyses using known fossil calibrations and hence provide robust divergence times for the whole eukaryotic tree but focusing on primary and secondary plastid endosymbiotic acquisitions. For both post- phylogenomic analyses (dating and divergence steps), already established collaborations will ensure proper method implementation. Using the results from the first objective, the 2nd one aims 1) to track history of plastid evolution (plastid-based dataset) comparing it with deep eukaryotic speciation events (non-plastid marker tree); and 2) to estimate diversification rates in distinct photosynthetic lineages in order to find if rate shifts correlate among them. AlgDates will allow us to establish the order, timing and correlation of events in such deep evolutionary transitions, but the knowledge acquired during this project will also provide information regarding reef formation and evolution, which can be useful when addressing or predicting calcareous ecosystem adaptations to climate change.


year authors and title journal last update
List of publications.
2017 Sergey A. Karpov, Victoria S. Tcvetkova, Maria A. Mamkaeva, Guifré Torruella, Hélène Timpano, David Moreira, Karomat S. Mamanazarova, Purificación López-García
Morphological and Genetic Diversity of Opisthosporidia: New Aphelid Paraphelidium tribonemae gen. et sp. nov.
published pages: 204-212, ISSN: 1066-5234, DOI: 10.1111/jeu.12352
Journal of Eukaryotic Microbiology 64/2 2019-06-14
2018 David López-Escardó, Purificación López-García, David Moreira, Iñaki Ruiz-Trillo, Guifré Torruella
Parvularia atlantis gen. et sp. nov., a Nucleariid Filose Amoeba (Holomycota, Opisthokonta)
published pages: 170-179, ISSN: 1066-5234, DOI: 10.1111/jeu.12450
Journal of Eukaryotic Microbiology 65/2 2019-06-13
2017 David Bass, Lucas Czech, Bryony A. P. Williams, Cédric Berney, Micah Dunthorn, Frederic Mahé, Guifré Torruella, Grant D. Stentiford, Tom A. Williams
Clarifying the Relationships between Microsporidia and Cryptomycota
published pages: , ISSN: 1066-5234, DOI: 10.1111/jeu.12519
Journal of Eukaryotic Microbiology 2019-06-13
2017 Xavier Grau-Bové, Guifré Torruella, Stuart Donachie, Hiroshi Suga, Guy Leonard, Thomas A Richards, Iñaki Ruiz-Trillo
Dynamics of genomic innovation in the unicellular ancestry of animals
published pages: , ISSN: 2050-084X, DOI: 10.7554/eLife.26036
eLife 6 2019-06-13
2017 Sergey A. Karpov, Guifré Torruella, David Moreira, Maria A. Mamkaeva, Purificación López-García
Molecular Phylogeny of Paraphelidium letcheri sp. nov. (Aphelida, Opisthosporidia)
published pages: 573-578, ISSN: 1066-5234, DOI: 10.1111/jeu.12389
Journal of Eukaryotic Microbiology 64/5 2019-06-13

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