10. Second messenger c-AMP Second messengers zijn kleine moleculen en ionen die snel kunnen diffunderen. De concentratie van deze moleculen kan drastisch veranderen door signaaltransductie.
24. Fig. 11-16b CONCLUSION Mating factor G protein-coupled receptor GDP GTP Phosphory- lation cascade Shmoo projection forming Fus3 Fus3 Fus3 Formin Formin P P P Formin P Actin subunit Microfilament 1 2 3 4 5 Onderzoeken van signaaltransductie-pathways.
25. Fig. 11-16 RESULTS CONCLUSION Wild-type (shmoos) ∆ Fus3 ∆ formin Shmoo projection forming Formin P Actin subunit P P Formin Formin Fus3 Phosphory- lation cascade GTP G protein-coupled receptor Mating factor GDP Fus3 Fus3 P Microfilament 1 2 3 4 5 Vanaf deze dia geen geluid meer – excuus.
29. Fig. 11-20a Ced-9 protein (active) inhibits Ced-4 activity Mitochondrion Ced-4 Ced-3 Receptor for death- signaling molecule Inactive proteins (a) No death signal
30. Fig. 11-20b (b) Death signal Death- signaling molecule Ced-9 (inactive) Cell forms blebs Active Ced-4 Active Ced-3 Activation cascade Other proteases Nucleases