HYBRID-GENES

The Repeatability of Genetic Architecture

 Coordinatore LUNDS UNIVERSITET 

 Organization address address: Paradisgatan 5c
city: LUND
postcode: 22100

contact info
Titolo: Mr.
Nome: Peter
Cognome: Stenild Matthesen
Email: send email
Telefono: 46462227797

 Nazionalità Coordinatore Sweden [SE]
 Totale costo 197˙811 €
 EC contributo 197˙811 €
 Programma FP7-PEOPLE
Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
 Code Call FP7-PEOPLE-2013-IEF
 Funding Scheme MC-IEF
 Anno di inizio 2015
 Periodo (anno-mese-giorno) 2015-03-06   -   2017-03-05

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    LUNDS UNIVERSITET

 Organization address address: Paradisgatan 5c
city: LUND
postcode: 22100

contact info
Titolo: Mr.
Nome: Peter
Cognome: Stenild Matthesen
Email: send email
Telefono: 46462227797

SE (LUND) coordinator 197˙811.60

Mappa


 Word cloud

Esplora la "nuvola delle parole (Word Cloud) per avere un'idea di massima del progetto.

extensive    genome    genes    cross    introgressive    speciation    overlap    repeatability    hypothesis    hybridisation    chance    genetic    time    recent    adaptive    introgression    architecture    combinations    species    boundaries   

 Obiettivo del progetto (Objective)

'A major challenge in evolutionary biology is to understand how genetic variation is created and maintained. Recent studies confirm the old idea introduced by Anderson in the 1940’s in his monograph “introgressive hybridisation”, namely that hybridisation can provide a bridge for the genetic exchange of adaptations (genes that increase fitness). In general, it is thought that adaptive genes have a greater chance to cross species boundaries than key “speciation genes” or “genomics islands of divergence” which are should be more resistant to introgression. An exciting opportunity to tackle this question is to study novel genetic combinations in recently originated hybrid zones, because they allow to study the creation and maintenance of unique genetic combinations within ecological time frames. In the last five years, the rapid development of next-generation sequencing (NGS) technologies and the computational advancements of new techniques to analyse big data (such as large sub-sections of the genome) allows testing these ideas for the first time in unprecedented detail. Temperature induced range expansion can cause novel range overlap between formerly allopatric species and can lead to extensive hybridisation in these new sympatric areas. In the proposed Marie Curie postdoctoral fellowship, I will work with two closely related damselfly species Ischnura elegans and I. graellsii which show extensive and recent population overlap in southern Europe with strong and on-going hybridisation. The main hypothesis of this proposal is that adaptive genes have a greater chance to cross species boundaries than key speciation genes. To test this hypothesis, this proposal has three main objectives that address key challenges in the field: i) detailed quantification of introgression levels across the genome; ii) repeatability of the genetic architecture of speciation; and iii) repeatability of the genetic architecture of adaptation via introgressive hybridisation.'

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