9/8/03
22
Modified Martiel & Goldbeter
Model for Dicty Signalling
r
Variables (functions of
x
,
y
,
t
):
¥
b
= intracellular concentration of cAMP
¥
g
= extracellular concentration of cAMP
r
= fraction of receptors in active state
Modified from Martiel & Goldbeter (1987) by Tyson & al (1989) to include spatial term
All expressed in dimensionless terms
(P‡lsson; SOBS 104-6)