Molecular characterization and identification of genes involved in maize female gametophyte development [Elektronische Ressource] / vorgelegt von Kanok-orn Srilunchang

Molecular characterization and identification of genes involved in maize female gametophyte developmentDISSERTATION ZUR ERLANGUNG DES DOKTORGRADES DER NATURWISSENSHAFTEN (DR. RER. NAT.) DER NATURWISSENSCHAFTLICHEN FAKULTÄT III – BIOLOGIE UND VORKLINISCHE MEDIZIN DER UNIVERSITÄT REGENSBURGvorgelegt vonKanok-orn Srilunchanggeboren in Udonthani, Thailand im Juli 2009Promotionsgesuch eingereicht am: 14 Juli 2009.Die Arbeit wurde angeleitet von: Prof. Dr. Thomas Dresselhaus Prüfungsausschuss:Prof. Dr. Reinhard Sterner (Vorsitzender)Prof. Dr. Thomas DresselhausProf. Dr. Wolfgang SeufertProf. Dr. Herbert TschochnerProf. Dr. Gernot LängstContents IContentspageList of publications………………………………………………………………………… IIChapter 1 IntroductionFemale gametophyte development in flowering plants….……………… .1The cell cycle of the maize FG….……….…………………………………. 3DNA imprinting in the maize FG……………..………………………………4The role of post-translational protein modification for FG Development and functionA: Ubiquitination……………………………………………………….5B: SUMOylation………………………………………………………..7C: DSULylation………………………………………………………...9Chapter 2 The Fertilization-Induced DNA Replication Factor MCM6 of Maize Shuttles between Cytoplasm and Nucleus, and Is Essential for Plant Growth and Development…………………………….10Chapter 3 Activation of the imprinted Polycomb Group Fie1 gene in maize endosperm requires demethylation of the maternal allele……………………………………………………………….