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Science 26 August 1960:
Vol. 132. no. 3426, pp. 544 - 545
DOI: 10.1126/science.132.3426.544
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Articles

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

J. C. Lewis 1, N. S. Snell 1, and H. K. Burr 1

1 Western Utilization Research and Development Division, U.S. Agricultural Research Service, Albany, California

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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