(Klein 1908) Prévot 1938
Eubacterium could be either a Gram-positive or Gram-negative bacteria genus in the family Eubacteriaceae. These bacteria are characterised by a rigid cell wall. They may either be motile or non-motile. If motile, they have a flagellum. A typical flagellum consists of a basal body, filament, and hook. The long filament is the organ which helps eubacteria move. The Cyanobacteria are typically referred to as blue-green algae. They can be colonial, filamentous, freshwater, marine or terrestrial. Many are photosynthetic autotrophs. A speciality of these bacteria is that they contain chlorophyll a. Eubacteria consist of a circular chromosome structure called nucleoid. They posess a gas vacuole and protein crystals. A slimy layer outlines their cell wall.
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