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AlgDates SIGNED

Dating Plastid Endosymbiosis and Diversification in Eukaryotic Algae

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 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.

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

Project "AlgDates" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITE PARIS-SUD 

Organization address
address: RUE GEORGES CLEMENCEAU 15
city: ORSAY CEDEX
postcode: 91405
website: www.u-psud.fr

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 https://figshare.com/search
 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

 Partnership

Take a look of project's partnership.

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

Map

 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.

 Publications

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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