Figure 4From: cAMP/PKA signaling balances respiratory activity with mitochondria dependent apoptosis via transcriptional regulationElevated Tpk3p activity affects colony morphology. Cell death was visualized within growing yeast colonies grown for 5 days on rich media containing 10 μM Phloxine B containing 4 mM cAMP. Cells that are dead or dying accumulate the dye which stains them pink/red. Colonies were visualised from above before dissection and images captured incross section.Back to article page