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Dr Ioannis Nezis

 

Title   

Associate Professor
 

Contact   

Life Sciences
University of Warwick
Coventry
CV4 7AL
Tel: +44(0)24761 50400
Email: I.Nezis@warwick.ac.uk
WebLink: http://www2.warwick.ac.uk/fac/sci/lifesci/research/autophagy

Research Interests

In my group we are interested in the role of autophagy in health and disease. Autophagy is an evolutionarily conserved catabolic process that involves the degradation of cytoplasmic material through the lysosomal pathway. Autophagy is a cellular response in nutrient starvation but it is also responsible for the removal of aggregated proteins, damaged organelles and developmental remodeling. Recent studies have shown that dysfunction in autophagy has been implicated in an increasing number of diseases from bacterial and viral infections to cancer and more recently in neurodegeneration and other ageing-related diseases. Interestingly, it has been shown that induction of autophagy can increase longevity in multiple animal species. Although it was initially believed that autophagy occurs randomly inside the cell, during the last years there is growing evidence that sequestration and degradation of cytoplasmic material by autophagy can be selective through receptor and adaptor proteins. It is therefore important to identify the proteins required for recognition and targeting of the various autophagic cargo for degradation and to elucidate the role of selective autophagy in normal and pathological conditions, especially at the organismal level. We are using mammalian cells in vitro and the fruit fly Drosophila melanogaster, as a genetically modifiable model organism to investigate the mechanisms of autophagy in the context of the physiology of the cell, the system and the living organism. We have developed several molecular markers for monitoring autophagy in vivo.


The major aims of our research are:
  • To identify novel selective autophagy receptors and adaptors
  • To understand the cellular and molecular mechanisms of autophagy during developmental remodeling and ageing
  • To elucidate the cellular and molecular mechanisms of autophagy in diseases such as neurodegeneration, heart failure, bacterial and viral infections and tumorigenesis

The long term goal of our research is to develop therapeutic strategies for these diseases.

We are studying the function of autophagy genes using a combination of RNAi mediated knock down, targeted gene expression, conditional knock out and we use a wide range of approaches, including confocal microscopy, live cell imaging, conventional electron microscopy, immuno-gold electron microscopy, biochemical methods and bioinformatics.

Post Docs and PhD students
Motivated Post Docs and PhD students that want to join the lab are very welcome throughout the year. Please contact Dr Nezis for details.

PhD studentships available through MIBTP-DTC (http://warwick.ac.uk/mibtp)

Biography

2012 - present: Associate Professor in Eukaryotic Cell Biology, School of Life Sciences, University of Warwick, UK

2009: Assistant Professor of Cell Biology, Department of Biological Applications & Technology, University of Ioannina, Greece

2007 to 2012: Post-doctoral research fellow in Department of Biochemistry, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway

2005 to 2007: Post-doctoral research fellow in Department of Cell Biology and Biophysics, Faculty of Biology, University of Athens, Greece

2004 to 2005: Post-doctoral research fellow in Institute of Biological Research and Biotechnology, National Hellenic Research Foundation, Athens, Greece

1998 to 2002: PhD Thesis, Cell Biology, Department of Cell Biology and Biophysics, Faculty of Biology, University of Athens, Greece

1993 to 1997: BSc, Biology, Faculty of Biology, University of Athens, Greece

Research Projects

View Current Projects        View All Projects

Publications

  • Jacomin, Anne-Claire, Samavedam, Siva, Promponas, Vasilis, Nezis, Ioannis, 2016. iLIR database : a web resource for LIR motif-containing proteins in eukaryotes. Autophagy, View
  • Tsapras, Panagiotis, Sagona , Antonia P, Nezis, Ioannis, 2016. Immuno-gold labeling of Drosophila follicles for transmission electron microscopy. Methods in Molecular Biology, View
  • Palara, Anthimi, Sagona , Antonia P, Nezis, Ioannis, 2016. Preparation of Drosophila follicles for transmission electron microscopy. Methods in Molecular Biology, View
  • Jacomin, Anne-Claire, Nezis, Ioannis, 2016. Using fluorescent reporters to monitor autophagy in the female germline cells in Drosophila melanogaster. Methods in Molecular Biology, View
  • Nezis, I. P., Shravage, Bhupendra V., Sagona, Antonia, P., Lamark, Trond, Bjorkoy, G., Johansen, Terje, Rusten, Tor Erik, Brech, Andreas, Baehrecke, Eric H., Stenmark, H. (Harald), 2010. Autophagic degradation of dBruce controls DNA fragmentation in nurse cells during late Drosophila melanogaster oogenesis. The Journal of Cell Biology, Vol. 190 (No. 4), pp. 523-531, View

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