Table 1

Correlation between leuB mRNA levels determined as described for Fig. 2 and leuB− reversion rates

CellsrelA genotypeConditionpg leuB mRNA/ :μg of total RNAleuB reversion rate × 10−9
CP79 relA unstarved29  ± 5 *
CP78 relA+ unstarved30  ± 5 *
CP79 relA −arg then − leu17  ± 60.15  ± 0.02
CP79 relA −leu17  ± 50.22  ± 0.08
CP79pyrD relA −arg then − leu28  ± 50.25  ± 0.06
CP79pyrD relA −leu35  ± 120.44  ± 0.12
CP79ΔspoT207 relA −leu126  ± 110.60  ± 0.11§
CP78pyrD relA+ −leu285  ± 1031.26  ± 0.26
CP78 relA+ −leu269  ± 601.47  ± 0.48
CP78 relA+ −arg then − leu335  ± 531.80  ± 0.30
CP78pyrD relA+ −arg then − leu347  ± 1362.30  ± 0.70
CP79spoT203 relA −leu378  ± 1492.50  ± 0.62§