ELECTRON MICROSCOPY OF ULTRA-THIN SECTIONS OF BACTERIA
- 1 March 1956
- journal article
- research article
- Published by American Society for Microbiology in Journal of Bacteriology
- Vol. 71 (3), 348-355
- https://doi.org/10.1128/jb.71.3.348-355.1956
Abstract
Electron micrographs of ultra-thin sections of mature spores and of developing sporangia of Bacillus megaterium and B. cereus disclose the nature of the sporulation process. B. megaterium forms 2 spore coats, an inner and then an outer. B. cereus forms 3 spore coats, apparently simultaneously. The spore proper appears to be formed by a differentiation in situ of the sporangial cytoplasm. The spore coats appear to be formed by a condensation of the sporangial and spore cytoplasm. Various cytoplasmic inclusions are observed and discussed.Keywords
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