segunda-feira, 23 de abril de 2012

Cellular Evolution: Modern Perspectives on symbiosis and the Diversification of Complex Life (Rethinking Biology and Evolution. New approaches for the new century)


Lisboa: 24 de Abril 2012 - 18h00
Grande Auditório, Edifício C3, Piso 2, Sala 3.2.14, 
Faculdade de Ciências da Universidade de Lisboa



By: John M. Archibald

Canadian Institute for Advanced Research, Program in Integrated Microbial Biodiversity, 
Department of Biochemistry & Molecular Biology, 
Dalhousie University, Halifax, Nova Scotia, Canada 

Abstract: The evolution of eukaryotic (nucleus-containing) cells such as our own from simpler life forms is a puzzle that has challenged biologists for more than a century. The prokaryote-eukaryote cellular divide is enormous and many fundamental questions about the origin of eukaryotes and their symbiotically derived mitochondria and plastids (chloroplasts) remain unanswered. Comparative genomics is a powerful tool with which to address such questions. In this lecture I will place the modern-day study of cellular evolution in a historical context, highlighting advances and lingering uncertainties in our understanding of the role of symbiosis in the evolution of eukaryotic organelles.

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