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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

EVOLUTION AND DIVERGENCE OF THE STRUCTURAL AND PHYSICAL PROPERTIES OF DNA BINDING BY METHYL-CYTOSINE BINDING DOMAIN FAMILY MEMBERS 2 AND 3

Cramer, Jason 01 January 2014 (has links)
The studies presented in this dissertation, Evolution And Divergence Of The Structural And Physical Properties Of DNA Binding By Methyl-Cytosine Binding Domain Family Members 2 And 3, pertain primarily to two key epigenetic regulators involved with the biological interpretation of methylated DNA marks. We provide insights into the emergence and evolution of the MBD2 and MBD3 and how those molecular entities influence heritable changes in gene activity. We further provide details regarding the mystery surrounding MBD3 function and the MBD2-mediated capacity of primitive animals to carry out methylation-specific epigenetic mechanisms. In chapter two, we describe the DNA binding properties of MBD2 and MBD3. This study provides information regarding previously unidentified MBD3 binding properties and potential biological function. In chapter three, we show that sponges demonstrate a MBD2-mediated capacity for binding methylated DNA sites, recruit NuRD components in vitro, and knockdown of MBD2 in the freshwater desmosponge, Ephydatia muelleri, promotes an abnormal growth phenotype.

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