Polycomb group proteins in the freshwater polyp Hydra [Elektronische Ressource] / Sonja Matt

DISSERTATIONsubmitted to theCombined Faculties for the Natural Sciences and for Mathematicsof theRuperto-Carola University of Heidelberg, Germanyfor the degree ofDoctor of Natural Sciencespresented byDipl.-Biol. Sonja Mattborn in Gronau (Westphalia)Oral Examination:TopicPolycomb Group Proteins in thefreshwater polypHydraReferees: Prof. Dr. Gabriele PetersenPD Dr. Renate VoitI hereby confirm that the presented dissertation is my own work; and that, to the bestof my knowledge and belief, all published or other sources of material consulted havebeen acknowledged in notes to the text or the bibliography. I confirm that this disser-tation has not been submitted for a comparable academic award to another departmentor university. I confirm that this dissertation has not been published and that I will notperform publication prior to completion of the examination procedure. I am aware of theregulations concerning the conferral of doctoral degrees.Heidelberg,Sonja Mattfor my parentsSeul l’inconnu épouvante les hommes. Mais, pour quiconque l’affronte, il n’est déjà plusl’inconnu.Antoine de Saint-Exupéry (Terre des Hommes, 1939)Only the unknown frightens men. But once a man has faced the unknown, that terrorbecomes the known.Antoine de Saint-Exupéry (Wind, Sand and Stars, 1939)Nur das Unbekannte ängstigt den Menschen. Sobald man ihm die Stirn bietet, ist esschon kein Unbekanntes mehr.