[Seminars] PSB event reminder

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Calendar Name: seminars
Scheduled for: Tuesday, May 29 2012, 11:00 - 12:30
Event text:    Prof Jim Whelan
	       
	       ARC Centre of Excellence in Plant Energy Biology
	       University of Western Australia
	       
	       Crawley
	       AUSTRALIA
Details:       “ Mitochondrial Biogenesis in Plants”
	       
	       ABSTRACT
	       In addition to playing central roles in energy and
	       carbon metabolism, mitochondria are biosynthetic
	       factories for a variety of compounds, a target for
	       various stresses and also play an integral role in
	       stress responses. The control of these processes is
	       achieved in an integrated manner with a variety of other
	       cellular functions that occur in other organelles.
	       Mitochondrial mass and composition varies in a cell
	       specific manner to achieve these various functions in
	       response to internal and external stimuli. Studies in
	       our laboratory are aimed at understanding the molecular
	       components required to regulate mitochondrial function
	       and make mitochondria. Examples of the systems used to
	       study these processes include; seed germination, where
	       mitochondria undergo a rapid transition from
	       metabolically inert organelles to highly metabolically
	       active organelles in a short period of time;
	       mitochondrial responses to stress and the components
	       mediating these responses; and finally functional
	       characterization of the machinery required to make
	       mitochondria. Taken together, the results from these
	       experiments reveal that, not only is mitochondrial
	       function integrated with various cellular processes, but
	       that mitochondrial function plays important signaling
	       roles in defining these processes throughout the cell.

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