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Effect of Tc on stability of other mRNAs. (A) Northern blot analysis of the indicated mRNAs isolated from a wild-type strain grown in the presence (+) or absence (−) of Tc. (B and C) Northern blot analysis of veg mRNA at times (in minutes) after rifampin addition, isolated from a wild-type strain or an S10 mutant strain grown in the presence and absence of Tc. Total RNA was separated on a 6% denaturing polyacrylamide gel.
