Abstract
Epibiontic cells on the surface of the photosynthetic purple sulfur bacterium Chromatium minus, collected several times during the year from 3 different Spanish lakes, were examined using scanning and transmission electron microscopy. The cells attached to the C. minus cell wall by an electron-dense pad, but did not enter the cell. They were ovoidal (about 0.6 Μm wide) when free, and slightly curved rods (0.3×0.6 Μm) when undergoing division. Division only occurred when cells remained attached to Chromatium. A septum was formed, resulting in 2 or 3 curved rods surrounded by a common capsule. Detached daughter cells became ovoidal. The host ultrastructure changed as a result of epibiontic attachment, showing symptoms of cellular degradation. Simultaneously, plaques could be detected on cell lawns formed spontaneously upon cell sedimentation from field samples.
| Original language | English |
|---|---|
| Pages (from-to) | 57-64 |
| Number of pages | 8 |
| Journal | Microbial Ecology |
| Volume | 9 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Apr 1983 |
| Externally published | Yes |
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