Cyclic AMP and other signals controlling cell development and differentiation in Dictyostelium.

REG ULAT ION OF GENE E XPRESS ION IN EA RLY DEVELO PMENT . . . . . . . . . . . . . . . . 856 Early Expressed Proteins.... 856 O scilla tory cAMP Pr oducti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 857 Strain-Specific Diff erence s and Effec ts of Growth Condi tion s. . . . . . . . . . . . . . . . . . . . . . . . . . . 857 Cla sse s of Early Expressed Ge ne s . . . . . . . . .... . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 859 A Network Imposing Autocatalytic Control of Cell Develop men t . . . . . . . . . . . . . . . . . . . . .. . 860 Pho sph odi estera se Re gula tio n Involved in the Ne ga tive Feedba ck Con trol of Extra cellular cAMP . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . ... . . . . . 860 Bypass Mu tan ts as Tools to Separa te and Un cover Develop me ntal Control Systems.. ....... ..... 861 POSTAGG RE GAT IVE DEVELOPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . .. . . . . . . . . . . . . . . . . . . . 862