The effect of penicillin onPasteurella pseudotuberculosis morphology

Dependency of Cell Size and Form of Proteus Mirabilis on the Peptone in the Culture Medium

“…The changes in Proteus bacilli described in this paper differ morphologically from those caused in Bacterium anitratum ex posed to various agents (1, 2) and in some other bacteria exposed to antibiotics (3,9). However, they conform with the changes de scribed in 3 B colonies which were induced in Proteus by peni cillin (5, 13).…”