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Abstract
Electron micrographs are shown of the gas-vacuolate square bacterium found at the surface of a brine pool in Sinai. The bacteria have a thickness of 0·1; μm or even less in the central regions. Some are apparently surrounded by sheath material. They contain gas vesicles which are either spindle-shaped or cylindrical with conical ends, and up to 1 μm long. The bacterial surface has 20 nm subunits arranged in a regular array.
- Received:
- Published Online:
© Society for General Microbiology 1981