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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 €

0

EC-Contrib. €

0

Partnership

0

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 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.

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

Project "TurtleHyb" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITA DEGLI STUDI DI FERRARA 

Organization address
address: VIA ARIOSTO 35
city: FERRARA
postcode: 44121
website: www.unife.it

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

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITA DEGLI STUDI DI FERRARA IT (FERRARA) coordinator 183˙473.00

Map

 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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