The Tornado2 gene of Arabidopsis thaliana affectscellular decisions in the shoot apical meristem [Elektronische Ressource] / vorgelegt von Wei-Hsin, Chiu

The TORNADO2 gene of Arabidopsis thaliana affects cellular decisions in the shoot apical meristem. Inaugural-Dissertation Zur Erlangung des Doktorgrades der Mathematisch-Naturwissenschaftlichen Fakultät der Universität zu Köln vorgelegt von Wei-Hsin, Chiu aus Kaohsiung, Taiwan Köln 2006 Gutachter: Prof. Dr. Wolfgang Werr Prof. Dr. U. I. Flügge Tag der mündlichen Prüfung: 5 Juli 2006 INDEX 1. INTRODUCTION…………………………………………………………………………......1 1.1 The shoot apical meristem (SAM) of Arabidopsis……………………………………………1 1.1.1 The properties and the organization of the SAM…………………………………....1 1.1.2 The homeostasis of the stem cell niche in the SAM………………………………...2 1.2 The SHOOT MERISTEMLESS (STM) gene…………………………………………………...3 1.2.1 STM functions in initiating and maintaining the SAM………………………………3 1.2.2 STM maintains the indeterminate state of cells in meristems and is downregulated in lateral organ primorda……………………………………………………………………..5 1.2.3 STM and its interacting partners …………………………………………................6 1.3 Plant hormone auxin…………………………………………..................................................7 1.4 Tetraspanin proteins…………………………..................................................8 1.4.1 Tetraspanin proteins are implicated in divergent biological processes……………...9 1.4.2 Tetraspanins structural properties and the TEM……………………………………10 1.