Water Permeability of Bacterial Spores and the Concept of a Contractile Cortex

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Science  26 Aug 1960:
Vol. 132, Issue 3426, pp. 544-545
DOI: 10.1126/science.132.3426.544


Assumption of a water-impermeable coat on bacterial spores is inconsistent with known permeabilities of organic materials. A low water content may arise through compressive contraction of the cortex during spore maturation.

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