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Light Induced Guard Cell Sunando Roy
 

Summary: Light Induced Guard Cell
Signaling
Sunando Roy
Guard cells and the stomata
The tradeoff between water and carbon dioxide
Roelfsema et. al. New Phytologist (2005) 167: 665 - 691
The Light Signaling Pathway
Boolean models
ˇ We modeled the signaling network using Boolean
rules and both synchronous and asynchronous
update
ˇ Ion mediated turgor = chloride/nitrates and k ions
and malate
ˇ Synchronous model: Stomatal opening in 9 time
steps.
ˇ Asynchronous model: Stomatal opening in 4-6
time steps.
Salient features
ˇ The blue light signaling carried out through
ion channels

  

Source: Albert, Réka - Departments of Biology & Physics, Pennsylvania State University

 

Collections: Biology and Medicine