Telephone 217500000 (ext.26145)

Email jmssantos@fc.ul.pt

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Evolutionary Ecology - EE
Local adaptation in Drosophila

Josiane Miranda Sales Santos

External Collaborator

I did my Ph.D. in Evolutionary Biology by the University of Lisbon that started in 2007 within the team “Local Adaptation in Drosophila” of the Evolutionary Ecology research group in the Centre for Ecology, Evolution and Environmental Changes (cE3c). I conducted the project ‘Tracking Evolutionary Paths in Colonizing Events: Temporal changes in life-history traits, microsatellites and inversions in Drosophila subobscura’, under the supervision of both Professor Margarida Matos, affiliated in cE3c and Professor Marta Pascual, from Universitat de Barcelona. In my Ph. D. project I enlightened issues on the genetic basis of adaptation. Specifically in my thesis I studied the evolutionary dynamics of colonizer populations adapting to a new environment at different levels: Phenotypic traits, neutral markers and chromosomal arrangements. The main aims were:

1) To disentangle differences in the genetic background of populations due to different origins versus due to sampling effects;

2) To prospect a relation between evolutionary dynamics of populations and both the initial genetic variability and its dynamics after a colonizing event;

3)  To screen for selective responses of chromosomal arrangements during adaptive evolution, also exploring changes in the genetic content of these arrangements.

Presently I continue my  collaboration with the ‘Local Adaptation in Drosophila’ subgroup, being interested in pursuing the questions addressed during my PhD as well as others using Experimental Evolution as tool to unravel the evolutionary and genetic mechanisms underlying local adaptation. 

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