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Fig. 8. Pom1 behaviour in the presence of pheromone. 3 µg/ml of P factor was
added at time 0 to a cyr1
sxa2
pom1HA
strain (A) or a cyr1
sxa2
pom1GFP
strain (B). (A) Western blot of total cell extracts probed with anti-HA
antibody to visualise Pom1p. (B) Pom1 GFP in live cells at time zero and after
6.5 hours in pheromone. The arrow indicates the longest shmoo, which shows
Pom1GFP diffused throughout the cell. 3 µg/ml of P factor was added at time
0 to a pom1
cyr1
sxa2
cell. (C)
Samples were taken every 2 hours, fixed in ethanol and processed for FACS
analysis. (D) Samples were taken every 30 minutes, fixed in formaldehyde,
stained with rhodamine phalloidin to visualise actin and scored for actin
localisation. (E) The first 2 hours of the time course for two independent
experiments (I and II) are plotted together with a wildtype control to show
the rise in delocalised actin and the reduction in monopolar actin for
pom1
.