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PhD position in Molecular Biology - DNA demethylation

In the field of  “DNA demethylation” the research group of Prof. Christof Niehrs offers the following PhD project:

The role of Gadd45 in Xenopus embryonic development

Our studies have indicated a role for Gadd45 in Xenopus development. On one hand, active DNA demethylation and reprogramming of the Oct4 pluripotency gene in Xenopus frog oocytes requires Gadd45a. On the other hand, Gadd45a and Gadd45g are required for embryonic patterning and exit from pluripotency. Xenopus embryos are a powerful model system to study embryonic patterning and differentiation. Tools such as mRNA overexpression and antisense Morpholino injection yield facile access to functional analysis of gene function. These studies have raised interesting questions: What are the Gadd45 target genes in Xenopus? How do they contribute to the observed phenotypes in Gadd45 knock down embryos? How is Gadd45 recruited to its target genes? Does Gadd45 demethylation in Xenopus involve oxidised cytosine intermediates? In this project we will study the role of Gadd45 mediated DNA demethylation using induced Xenopus embryos as model system. We will combine genome-wide expression and methylation analysis. Global expression profiling by microarrays and/or RNA-sequencing in combination with global methylation profiling using MeDIP and Gadd45 ChIP-Seq will lead to the identification of direct Gadd45 target genes in this differentiation process. These newly identified target genes can be used for further molecular analysis of Gadd45 mediated DNA demethylation.

We offer
•    The possibility to work on a cutting-edge project using state-of-the-art technology in a highly motivated research team
•    A stimulating, diverse and international research environment
•    Advanced training opportunities
•    A competitive stipend

Required qualifications
•    Master or Diploma
•    Motivation to solve complex biological problems
•    Excellent communication skills

Starting date: October 2015 or later
Duration of stipend: 3 years, with the possibility of extension
Deadline for registration (exclusively online via web form):  20 June 2015
How to apply:
Send application to
While applying for the job please refer to jobvector and use the following reference number: JV-C8-CN4

About Institute of Molecular Biology gGmbH

Our International PhD Programme on the “Gene Regulation, Epigenetics and DNA Damage Response” gives talented and enthusiastic students the opportunity to undertake PhD research at the cutting edge of modern biology. Our groups cover a broad range of expertise and include leading biochemists, geneticists, cell and developmental biologists who study the molecular mechanisms of...

More about Institute of Molecular Biology gGmbH

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