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SUMMARY:Regulation of PSEUDORESPONSE REGULATOR 7 expression by sucrose in 
 Arabidopsis thaliana - Alexander Frank
DTSTART:20130607T110000Z
DTEND:20130607T113000Z
UID:TALK44300@talks.cam.ac.uk
CONTACT:Megan Cooper
DESCRIPTION:Plants affect us in every second of our lives. And yet\, not e
 very second of their lives is completely understood. The circadian clock i
 s a complex mechanism by which plants tell the time\, and which is very im
 portant for photosynthesis\, growth\, survival as well as competitive adva
 ntage (Dodd et al.\, 2005).  Its multiple components are integrated into e
 ach plant cell and can be symbolized by gear wheels in a mechanical watch.
  To guarantee the precision of this essential mechanism\, transcription-tr
 anslation feedback loops (TTFLs) are entrained by zeitgebers\, such as lig
 ht\, temperature and sugar (Aschoff and Pohl\, 1978\; Haydon et al.\, unpu
 blished). The Webb laboratory has demonstrated that sucrose represses the 
 expression of the circadian clock gene PSEUDORESPONSE REGULATOR 7 (PRR7) a
 nd that shortening of circadian period by sucrose requires a functional co
 py of PRR7 (Haydon et al.\, unpublished). In this project\, I aim to ident
 ify the mechanisms by which sucrose regulates the expression of PRR7. 
LOCATION:Biffen Lecture Theater\, Department of Genetics
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