chapter  10
14 Pages

Reversion and Revertants To Revert or Not to Revert?

In general , CWD variants of Gram-positive organisms tend to be stable and derivatives of Gram­ negative bacteria more easily reverted. It i s reported that only a rare strain of Proteus mirabilis can be stabilized in the L-phase.78 This species commonly reverts within a few hours, upon the same medium used for penicillin induction. when the antibiotic is removed.