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Differential gene transfers and gene duplications in primary and secondary endosymbioses
Authors:Stefan Zauner  Peter Lockhart  Bettina Stoebe-Maier  Paul Gilson  Geoffrey I McFadden  Uwe G Maier
Institution:(1) Allan Wilson Centre for Molecular Ecology and Evolution, Institute of Molecular BioSciences, Massey University, Palmerston North, New Zealand;(2) Cell Biology, Philipps-University Marburg, Karl-von-Frisch Str., 35032 Marburg, Germany;(3) Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, 3050, Australia;(4) Naturwissenschaffen, An der Zahlbach 15, 35039 Marburg, Germany;(5) Plant Cell Biology Research Centre, School of Botany, University of Melbourne, Victoria, 3010, Australia
Abstract:

Background  

Most genes introduced into phototrophic eukaryotes during the process of endosymbiosis are either lost or relocated into the host nuclear genome. In contrast, gro EL homologues are found in different genome compartments among phototrophic eukaryotes. Comparative sequence analyses of recently available genome data, have allowed us to reconstruct the evolutionary history of these genes and propose a hypothesis that explains the unusual genome distribution of gro EL homologues.
Keywords:
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