Iron and ammonium sensing differentially modulate root plasticity in Arabidopsis thaliana [Elektronische Ressource] / presented by Joni Esrom Lima

Institute of Plant NutritionUniversity of HohenheimProf. Dr. Nicolaus von WirénIron and ammonium sensing differentially modulate root plasticity in Arabidopsis thalianaDissertationSubmitted in fulfillment of the requirements for the degree“Doktor der Agrarwissenschaften”(Dr. Sc. agr. / Ph.D in Agricultural Sciences)to the Faculty of Agricultural Sciencespresented byJoni Esrom Limafrom Brazil201023This thesis was accepted as a doctoral dissertation in fulfillment of the requirements for the degree “Doktor der Agrarwissenschaften” by the Faculty of Agricultural Sciences at the University of Hohenheim.thDate of the oral examination: 24 September 2010Examination CommitteeSupervisor and reviewer Prof. Dr. Nicolaus von WirénCo-reviewer Prof. Dr. Gerd WeberAdditional examiner Prof. Dr. Andreas SchallerDean and head of the committee Prof. Dr. Andreas Fangmeier45Table of contents1. Summary- Zusammenfassung 11.1. Summary ..........................................................................................................11.2. Zusammenfassung ............................................................................................22. General introduction 42.1. The root system .................................................................................................42.1.1. Lateral root development ...............................................................................52.2. Root plasticity ............................