Cellular Signaling: Advances and Applications The Donald Danforth Plant Science Center will be hosting its annual Fall Symposium in St. Louis from Wednesday, September 23rd – Friday, September 25th, 2009. This year’s symposium will feature sections emphasizing signal transduction pathways and networks involved in sensing the environment and recent advances in the field. All attendees are welcome to participate with poster presentations.  We highly encourage participation from graduate students and post-doctoral scientists.  Six abstracts will be chosen from the submitted abstracts for presentation as short talks. Registration will remain open until September 11th, 2009.  Registration is limited to the first 250 people due to space constraints.  The registration fee includes access to all sessions, social events, breaks and meals as indicated in the program. The registration fee for post-docs is reduced; graduate students can participate for free. -Sona Pandey, Symposium Organizer