Spirillum is a genus of Gram-negative bacteria in the family Spirillaceae of the Nitrosomonadales of the Betaproteobacteria. [1][2][3] There are two species of Spirillum with validly or effectively …

Spirilla (singular, Spirillum) are a group of bacteria characterized by a corkscrew (spiral) appearance. They are Gram-negative bacteria and are characterized by motile structures …

Spirillum, genus of spiral-shaped bacteria of the family Spirillaceae, aquatic except for one species (S. minus) that causes a type of rat-bite fever in man. The term spirillum is used …

Spirillum (plural, spirilla). A bacterium with rigid spiral (helical) structure (not easily band, not flexible), thick, long, and move with flagella, 6–15 μm long and spiral in shape is called spirillum.

Jun 29, 2025 · Spirillum refers to a group of spiral-shaped, Gram-negative bacteria known for their distinct helical morphology and motility via flagella.

May 21, 2024 · Spirillum is a type of bacterium that moves in a characteristic spiral, or corkscrew-like, fashion. It typically lives as individual cells, instead of being associated in clusters or chains.

Spirillum is a genus of bacteria characterized by its spiral or helical shape. These prokaryotic cells are typically found in aquatic environments and are known for their motility, which is often …

Hylemon et al. (1973b) divided the genus into the three genera Spirillum, Aquaspirillum, and Oceanospirillum on the basis of their DNA base composition and certain physiological …

Even though the genus Spirillum has been split into 3 distinct genera, the term Spirilla (plural) or Spirillum (singular) is still used to describe any helical or spiral-shaped bacteria.

The meaning of SPIRILLUM is any of a genus (Spirillum) of curved elongated motile bacteria having tufts of flagella at both poles; broadly : a spiral filamentous bacterium (such as a …