Molecular characterization of the effector of transcription (ET) gene family in arabidopsis and its role in plant development [Elektronische Ressource] / von Rumen Petrov Ivanov

Molecular Characterization of the EFFECTOR OF TRANSCRIPITION (ET) Gene Family in Arabidopsis and its Role in Plant Development Dissertation zur Erlangung des akademischen Grades Doctor rerum naturalium (Dr. rer. nat.) vorgelegt der Mathematisch-Naturwissenschaftlich-Technischen Fakultät Martin-Luther-Universität Halle-Wittenberg Fachbereich Biologie Von Rumen Petrov Ivanov geboren am 15 August 1978 in Sofia (Bulgarien) Gutachter: Prof. Dr. G. Juergens Prof. Dr. G. Reuter Prof. Dr. U. Wobus Tag der Verteidigung: 8.12.2005, Halle (Saale)urn:nbn:de:gbv:3-000009758[http://nbn-resolving.de/urn/resolver.pl?urn=nbn%3Ade%3Agbv%3A3-000009758] Contents________________________________ Contents List of abbreviations 6 Legnd 6 Declartion 7 Introduction 8 1. Embryogenesis 9 1.1 Early embryogenesis in Arabidopsis 9 1.2 Late embryogenesis 10 1.3 Control of seed maturation 12 1.4 Dormancy and premature germination 14 2. KNAT genes and their role in cell differentiation 17 2.1 Role of KNOX genes in Arabidopsis meristem formation and function 17 2.2 Regulation of the KNAT genes 18 3. Regulation of vascular cambial meristem maintenance and xylem differentiation 23 3.1 Vascular cambial meristem (VCM) 23 3.2 Role of KNAT genes in VCM maintenance 24 3.