Fig. 2: A side-view of a spirochete cell which shows two axial filaments in opposing motion. One axial filament rotates in a clockwise orientation; an adjacent axial filament rotates in a counter …

Spirochete, any of a group of spiral-shaped bacteria, some of which are serious pathogens for humans, causing diseases such as syphilis, yaws, Lyme disease, and relapsing fever.

Nov 10, 2025 · Spirochetes are found globally in water, soil, and as symbionts or parasites within animals, including humans. Their structure enables them to penetrate tissues and evade …

Aug 18, 2025 · Learn about spirochetes: unique bacteria characterized by their distinct shape, diverse habitats, and roles in health and disease.

Although spirochetes are not a large group -- there are only six genera -- they have had tremendous impact on our lives. Both syphilis and Lyme disease are caused by these bacteria, …

Jun 8, 2021 · These motile, gram-negative bacilli are classified into eight genera primarily on the basis of habitat, pathogenicity, phylogeny, morphological and physiological characteristics. …

Phylum: Spirochaetes - Bacterial cells characterized by a unique diderm (double-membrane) that gives them their Gram-negative characteristic. They are generally thin with a spiral-shaped …

The spirochaetes belong to a phylum of distinctive double-membrane bacteria that are characterized by their long, spiral-shaped cells. The spirochaetes are chemoheterotrophic in …

Spirochetes are slender, spiral‑shaped bacteria with flexible helical cells and unique axial filaments that provide a corkscrew‑like motility.

Spirochetes are small spiral-shaped bacteria characterized by a unique cell wall composition, including genera such as Treponema, Leptospira, and Borrelia, some of which are pathogenic …