''Eubacterium'' is a genus of Gram-positive bacteria in the family

Eubacteriaceae The Eubacteriaceae are a family of Gram-positive bacteria in the order Clostridiales. Phylogeny The currently accepted taxonomy based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and the National Center for Biotechnology ...

. These bacteria are characterised by a rigid cell wall. They may either be motile or nonmotile. If motile, they have a

flagellum A flagellum (; ) is a hairlike appendage that protrudes from certain plant and animal sperm cells, and from a wide range of microorganisms to provide motility. Many protists with flagella are termed as flagellates. A microorganism may have f ...

. A typical flagellum consists of a basal body, filament, and hook. The long filament is the organ which helps eubacteria move. Gram-positive bacteria have a thick proteoglycan layer and take up violet Gram stain (whereas Gram-negative bacteria have a thinner proteoglycan layer which is surrounded by a layer of immune response-inducing lipopolysaccharide, and do not take up Gram stain).

References

Eubacteriaceae Bacterial vaginosis Bacteria genera {{Clostridia-stub