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 …

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 …

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 …

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

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.

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 …

Aug 6, 2010 · Spirillum bacteria are large chemotrophic spirilla 1.4 to 1.7 micrometers in diameter and up to 60 micrometers in length, with anywhere from less than one to five helical turns.

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 …

Spirillum is a genus of Gram-negative bacteria in the family Spirillaceae of the Nitrosomonadales of the Betaproteobacteria. There are two species of Spirillum ...

What is Spirillum? Spirillum (plural, Spirillum) is a bacterial group with a corkscrew (spiral) appearance. They are Gram-negative bacteria with motile features called flagella. Except for …