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. Spirochetes are …

Spirochaetes are chemoheterotrophic in nature, with lengths between 3 and 500 μm and diameters around 0.09 to at least 3 μm. [7]

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 immune …

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

Spirochetes are long and slender bacteria, usually only a fraction of a micron in diameter but 5 to 250 microns long. They are tightly coiled, and so look like miniature springs or telephone cords.

Jun 8, 2021 · Spirochetes are long, thin, flexible, spirally coiled helical bacilli. These motile, gram-negative bacilli are classified into eight genera primarily on the basis of habitat, pathogenicity, …

Spirochetes (spirochaetes) are Gram-negative, spiral-shaped bacteria of the phylum Spirochaetes. In nature, they may exist as free-living bacteria, symbionts, or as parasites capable of causing diseases …

Spirochetes are defined as a phylum of bacteria characterized by long, helically coiled cells that possess axial filaments for movement, with notable groups including Treponema, Borrelia, and Leptospira, …

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 nature, free-living and …

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