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Curr Opin Microbiol. 2005 Oct;8(5):606-11.

Comparative genomics of Dictyostelium discoideum and Entamoeba histolytica.

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  • 1Centre for Biochemistry, Medical Faculty, University of Cologne, 50931 Köln, Germany.


Amoebozoa represent one of the earliest branches from the last common ancestor of all eukaryotes and contain some of the most dangerous human pathogens. Two amoebozoan genomes -- from the model organism Dictyostelium discoideum and the human pathogen Entamoeba histolytica -- have been published this year. Owing to their high A+T content, both genomes were difficult to sequence. In addition to nine amoebozoan expressed sequence tag projects, efforts are underway for comparative sequencing of four additional Entamoeba species. The completed genome sequences of D. discoideum and E. histolytica revealed unusual telomere structures, a high percentage of repetitive elements and a remarkably high gene content that is close to the one of Drosophila melanogaster. Finally, both organisms are brilliant examples of the influence of the lifestyle of an organism on its genome.

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