Electron Micrographs of a Single Excreted Food VacuoleLoaded with Spores

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a, Single spores;   b, A germinating spore;c, Chains of vegetative bacteria breaking out of vacuoles'   envelope;d, Spore coat;   e, Intact ICP. (see, Manasherob et al., Appl. environ. Microbiol. 64: 1750-1758, 1998)