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Prof. Bernard C. Rossier

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+41 22 704 36 41

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Michael N. Hall

Biozentrum, University of Basel (Switzerland)

2009 Louis-Jeantet prize-winner

Wednesday, October 24, 12:00 - 12:55

Keynote Lecture

TOR signalling, from yeast to human

TOR (Target Of Rapamycin) is a highly conserved serine/threonine kinase that controls cell growth and metabolism in response to nutrients, growth factors, cellular energy, and stress.  TOR was originally discovered in yeast, but is conserved in all eukaryotes including plants, worms, flies, and mammals.  The discovery of TOR led to a fundamental change in how one thinks of cell growth.  It is not a spontaneous process that just happens when building blocks (nutrients) are available, but rather a highly regulated, plastic process controlled by TOR-dependent signalling pathways. TOR is found in two structurally and functionally distinct multiprotein complexes, TORC1 and TORC2.  The two TOR complexes, like TOR itself, are highly conserved.  Thus, the two TOR complexes constitute an ancestral signalling network conserved throughout eukaryotic evolution to control the fundamental process of cell growth.  As a central controller of cell growth, TOR plays a key role in development and ageing, and is implicated in disorders such as cancer, cardiovascular disease, obesity, and diabetes. 

While the role of TOR in controlling growth of single cells is relatively well understood, the challenge now is to understand the role of TOR signalling in coordinating and integrating overall body growth and metabolism in multicellular organisms.  This will require elucidating the role of TOR signalling in individual tissues.  Data on the role of mTORC1 and mTORC2 in controlling cellular processes and in specific tissues will be presented.



Michael N. Hall is Professor and former Chair of Biochemistry at the Biozentrum of the University of Basel.  He received his PhD from Harvard, and was a postdoctoral fellow at the University of California, San Francisco.  He has a longstanding interest in cell growth control.  In 1991, Michael N. Hall and his colleagues discovered TOR (Target Of Rapamycin) and subsequently elucidated its role as a central controller of cell growth and metabolism.  Michael N. Hall's group also discovered the two TOR complexes TORC1 and TORC2.

Michael N. Hall has received numerous awards (among which the 2009 Louis-Jeantet Prize for Medicine), and has served on several editorial and scientific advisory boards.