A motile rodlet with one cilium and with a spore formed inside.
Subtilis) - the axis of growth of the germinal rodlet is at right angles, to the long axis of the spore.
P, a rodlet in this condition (but divided into four segments) after treatment with alcoholic iodine solution.
R, a rodlet segmented in four, each segment containing one ripe spore.
The growth of an ordinary bacterium consists in uniform elongation of the rodlet until its length is doubled, followed by division by a median septum, then by the simul- Measure- taneous doubling in length of each daughter cell, again ment of followed by the median division, and soon (figs.
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