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TurtleHyb SIGNED

Reconstructing hybridization events between sea turtle species separated by 30 million years: genomic patterns and evolutionary consequences

Total Cost €


EC-Contrib. €






 TurtleHyb project word cloud

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

genomic    training    experiment    dynamic    beautiful    transfer    brazilian    separated    climate    innovative    host    sea    despite    occurred    hybridization    42    f1    helpful    guidelines    protect    time    contacts    marine    segregation    turtle    species    brazil    adapt    putative    line    occurring    loggerhead    parental    size    event    offspring    unprecedented    secondary    data    turtles    understand    appears    approximately    isolation    incompatibilities    hatchlings    million    parents    regions    hybridizing    collaborative    relationship    wildlife    network    genomes    sequencing    hawksbills    causes    evolution    events    techniques    americas    timing    risks    extreme    hybrids    ago    coast    nesting    rad    morphologically    population    intensity    loggerheads    environment    divergent    ancient    reproductive    divergence    females    interspecific    decline    hawksbill    natural    infer    strengthen    mating    possibly    amount    candidate    endangered    distortion    statistical    dissect    backcross   

Project "TurtleHyb" data sheet

The following table provides information about the project.


Organization address
address: VIA ARIOSTO 35
postcode: 44121

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 Italy [IT]
 Total cost 183˙473 €
 EC max contribution 183˙473 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2018
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2019
 Duration (year-month-day) from 2019-10-01   to  2021-09-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Hawksbills and Loggerheads are two endangered sea turtles species that separated approximately 30 million years ago. Despite this very long divergence time, they are currently hybridizing on the Brazilian coast. Among nesting females morphologically identified as Hawksbills, 42% are F1 hybrids. Hybrids can backcross with both parental species and produce viable offspring. This appears to be a beautiful natural experiment, possibly driven by population decline that favour interspecific mating, to study and understand species hybridization under the extreme conditions of secondary contacts between highly divergent genomes. Here I propose to study causes and consequences of the hybridization in Loggerhead and Hawksbill sea turtles using both whole genomes and RAD sequencing data. I will a) infer timing and intensity of putative ancient hybridization events that may have also occurred in the past, and their relationship with the population size dynamic. Then I will b) dissect the current hybridization event occurring in Brazil, looking for genomic regions associated with reproductive isolation and incompatibilities, and for segregation distortion along the genomes in hybrids parents and hatchlings. The amount of data generated will be unprecedented for sea turtles, will be helpful to identify risks and evolution opportunities of the hybridization process in these turtle species, and will contribute to the general understanding of species hybridization and its genomic aspects. The proposal includes transfer of knowledge to the host institution and the training of the candidate in innovative genomic and statistical techniques. Results will also strengthen the collaborative network of researchers in Europe and the Americas studying sea turtles and their hybridization. This project is in line with current European guidelines to increase knowledge of marine wildlife to protect the environment and adapt to climate change.

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

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