Translational control of protein synthesis.

TRANSCRIPTIONAL CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 REGULATION OF mRNA TRANSLATION AT THE INITIATION STEP 41 INITIATION OF PROTEIN SYNTHESIS ...... 41 TRANSLATIONAL CONTROL OF PROTEIN SYNTHESIS . . ........ ..... 43 MODEL FOR PROTEIN SYNTHESIS ..... 44 SPECIFICITY IN TRANSLATION OF BACTERIAL mRNA . ... .... . ... 1 46 SEQUENCES ON mRNA-SPECIFYING CHAIN INITIATION 47 TRANSLATIONAL CONTROL IN THE RNA BACTERIOPHAGES ... 49 TRANSLATION OF POLYGENIC mRNAs .. ........ .... .... . ..... 50 VIRUS-MEDIATED PERTURBATIONS OF THE BACTERIAL TRANSLATION APPARATUS 5 1 MESSENGER RNA IN EUKARYOTIC CELLS ........ . 53 MODIFICATIONS AT THE ENDS OF EUKARYOTIC mRNA . . . . . . . . . .. . . .. . . . . . . . . . . . . . . . . . . . . . . . . 5 5 REGULATION O F THE OVERALL RATE O F POLYPEPTIDE CHAIN INITIATION .... 56 RELATIVE RATES OF INITIATION OF TRANSLATION OF DIFFERENT EUKARYOTIC mRNAs ...... ..... ...... ... . 58 SPECIFICITY IN TRANSLATION OF EUKARYOTIC mRNA 58 MESSAGE-S1?,ECIFIC FACTORS 60 VIRUS-MEDIATED PERTURBATION OF EUKARYOTIC CELL PROTEIN SYNTHESIS . .... .... ... ....... ... ... ........ 62 CONCLUSION ...... ... . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .. ... . . .. . .. . . ........ ..... ... . .. . ... .. ... . . . . . . . . . . 63