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Genetic And Epigenetic Regulations Of Eds1-Mediated Plant Immunity And Identification Of Bacterial Type Iii Effectors Targeting De Novo Dna Methyltransferase Drm2 In Arabidopsis, Ming Zhao
Theses and Dissertations
In Arabidopsis thaliana, Enhanced Disease Susceptibility1 (EDS1) acts as an indispensable hub in plant immunity and is mainly responsible for plant basal defense, systemic acquired resistance (SAR), increase of endogenous content of salicylic acid (SA) and effector-triggered immunity (ETI). Epigenetic regulators play crucial roles in multiple important cellular processes. As one catalytic core of Polycomb Repressive Complex (PRC2), CURLY LEAF (CLF/SDG1) protein promotes H3K27me3 deposition at specific loci for genes repression. In this work, I found that EDS1 interacted with epigenetic regulators SDG1, SDG9, SDG15, SDG22 and SDG35 in yeast two-hybrid assays. The growth of the bacterial pathogen Pseudomonas …
Evidence For P53-Mediated Induction Of Wrap53a In Response To Dna Damage, Anne Shelton Hucks
Evidence For P53-Mediated Induction Of Wrap53a In Response To Dna Damage, Anne Shelton Hucks
Theses and Dissertations
p53 is a powerful tumor suppressor mutated in approximately half of all cancers. Its mRNA is stabilized post-transcriptionally via complementary base pairing with the transcript of its antisense gene, WRAP53α; without this interaction, p53 protein cannot accumulate enough to carry out its many functions related to apoptosis, cell cycle arrest, and DNA damage repair. Previous studies have shown that WRAP53α is induced in response to DNA damage. The purpose of this study was to determine which transcription factors might be responsible for this induction. After identifying three putative p53 binding sites on the WRAP53α promoter, we used chromatin immunoprecipitation …