Principal Investigators
Position Assistant Professor, Principal Investigator
Research fields Ultrastructural characterization of the process of autophagy
  • Research Profile
  • Selected Publications
  • Muriel Mari studied Biochemistry and Cell Biology at the University of Nice Sophia-Antipolis, France. In 2002, she obtained my PhD in Cell Biology and Physiology from the same Institution, in the laboratory of Dr. Yannick Lemarchand-Brustel. The research topic was the identification and characterization of new Rab4 effectors and their function in glucose transport. In 2002, she extended her studies in this area by joining as a postdoctoral fellow the laboratory of Prof. David James at the Garvan Institute in Sydney, Australia. There, sheinvestigated the membrane association of the SNARE-regulating protein Munc18c.

    In 2003 Mari joined the Department of Cell Biology at the University Medical Center Utrecht (The Netherlands) to acquire competencies in advanced electron microscopy methods. There, as a Marie-Curie postdoctoral fellow in the laboratory of Prof. Hans Geuze, she investigated the intracellular trafficking of lysosomal enzyme receptors in mammalian cells.

    In 2006, Mari joined  the group of Prof. Fulvio Reggiori for an additional postdoctoral experience in Utrecht and started working on the molecular mechanism of autophagy using yeast as a model system.

    In 2015,  Muriel Mari was appointed as an Assistant Professor at the Department of Cell Biology of the University Medical Center Groningen. She is currently studying autophagosome biogenesis in yeast and mammalian cells at the ultrastructural level using techniques such as high-pressure freezing/freeze substitution, electron microscopy, immuno-electron microscopy, electron tomography and correlative light and electron microscopy.

      • Selected Publications:
      1. Lassen KG, McKenzie CI, Mari M, Murano T, Begun J, Baxt LA, Goel G, Villablanca EJ, Kuo S.-Y., Huang H, Macia L, Bhan A, Batten M, Daly MJ, Reggiori F, Mackay CR, Xavier RK (2016). Genetic coding variant in GPR65 alters lysosomal pH and links lysosomal dysfunction with colitis risk. Immunity.  Jun 21;44(6):1392-405.  (pdf)
      2. Khaminets A, Heinrich T, Mari M, Grumati P, Huebner AK, Akutsu M, Liebmann L, Stolz A, Nietzsche S, Koch N, Mauthe M, Katon I, Qualmann B, Weis J, Reggiori F, Kurth I, Hübner CA, Dikic I (2015). Regulation of endoplasmic reticulum homeostasis by FAM134B-mediated selective autophagy. Nature, 522, 354-358. (pdf)
      3. Mari M, Geerts WJ, Reggiori F (2014). Immuno- and correlative light microscopy-electron tomography methods for 3D protein localization in yeast. Traffic, 15, 1164-78.  (pdf)
      4. Mari M, Griffith J, Reggiori F (2014). Nanogold labeling of the yeast endosomal system for ultrastructural analyses. J Vis Exp. (pdf)
      5. Hönscher C, Mari M, Auffarth K, Bohnert M, Griffith J, Geerts W, van der Laan M, Cabrera M, Reggiori F, Ungermann C (2014), Cellular metabolism regulates contact sites of vacuoles with mitochondria. Dev Cell, 30, 86-94.  (pdf)
      6. Nair U, Mari M, Baba M, Yen WL, Xie Z, Cao Y, Reggiori F, Klionsky DJ (2012). A role for Atg8-PE deconjugation in autophagosome biogenesis Autophagy, 8, 780-93.  (pdf)
      7. Mari M, Griffith J, Rieter E, Krishnappa L, Klionsky DJ, Reggiori F (2010). An Atg9-containing compartment that functions in the early steps of autophagosome biogenesis. J Cell Biol, 190, 1005-1022. (pdf)
      8. Griffith J, Mari M, De Mazière A, Reggiori F (2008). A cryosectioning procedure for the ultrastructural analysis and the immunogold labelling of yeast S. Cerevisiae. Traffic, 9, 1060-1072.
      9. Mari M, Reggiori F (2007). Review/opinion: Shaping membranes into autophagosomes. Nat Cell Biol, 10, 1125-7. (pdf)
      10. Mari M, Bujny MV, Zeuschner D, Geerts WJ, Griffith J, Petersen CM, Cullen PJ, Klumperman J, Geuze HJ (2008). SNX1 defines an early endosomal recycling exit for sortilin and mannose 6-phosphate receptors. Traffic, 3, 380-93.  (pdf)
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