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COFFEE WITH SCIENCE - IN SEARCH OF THE MISSING LINK: USING TOOLS OF THE FUTURE TO UNDERSTAND THE PAST OF THE HUMAN SPECIES
17 JUN 2018
With Sandra Oliveira (CIBIO-InBIO)

Sandra Oliveira is a young researcher at CIBIO-InBIO and in this session of Café with Science will tell us about the history of settlement in Southern Africa and about the influence of clans in the structuring of human diversity.

With a B.Sc degree in Biology and a master’s degree in Bio-diversity, Genetics and Evolution from the University of Porto, Sandra began her research with a study on the evolution of a mutation that, in regions where malaria is prevalent, endows greater resistance to the illness to those who have undergone this mutation. Using mutation diffusion simulations across time and space and analysing the patterns of diversity in the DNA sequence associated to the mutation, it was possible to conclude that the mutation may have had only one origin in Africa. The results question previous interpretations that favour the hypothesis of multiple origins.

She is currently developing her PhD thesis between CIBIO and the Max Planck Institute for Evolutionary Anthropology, under the guidance of Jorge Rocha and Mark Stoneking. After an expedition through the Namibe Desert in Angola to collect samples of saliva from enigmatic populations with unknown origins, parts of the genome of each individual were then sequenced and analysed. In each of them, fragments of the history of the populations, such as their origin, migration routes and patterns of miscegenation were reconstructed.


Photo of Sandra Oliveira

  • LocationSala Multiusos (Quinta de Serralves)
  • Schedule11h00 - 12h00
  • Days17 JUN 2018

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