Notizen: Der Einfluß von Bakteriophagen auf die L-Phase von Proteus mirabilis

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Abstract
The L-phase of a phage-sensitive strain of Proteus mirabilis grown in penicillin-serum agar plate cultures in the presence of phage produced only 3A colonies. The reason for this is that among the L-elements, after a series of passages in the L-phase, there are phage-sensitive forms, which during the phase of multiplication, not only adsorb phages and become lysed, but also are capable of phage synthesis. In the phage-sensitive forms of the L-phase, the elements concerned are the 3B colonies, that is those elements of the L-cycle, which after exclusion of penicillin action are capable of rapid regeneration into the bacterial form.

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