Spirochetes

Borrelia species: Properties, Pathogenesis, Lab Diagnosis

Borrelia species: Properties, Pathogenesis, Lab Diagnosis

Relapsing fever is a bacterial infection characterized by recurrent episodes of fever and nonspecific symptoms following exposure to insect vector-carrying Borrelia species.

Treponema pallidum: Properties, Pathogenesis, and Disease

Treponema pallidum: Properties, Pathogenesis, and Disease

Treponema pallidum is the causative agent of syphilis, an infectious venereal disease in humans. Primary, secondary, tertiary latent stages.

Spirochetes: Morphology, Classification, Disease

Spirochetes: Morphology, Classification, Disease

Spirochetes are long, thin, flexible, spirally coiled helical bacilli. Spirochetes cause syphilis, Lyme disease, relapsing fever, leptospirosis, yaws.

Borrelia burgdorferi (Lyme disease): Clinical Features, Diagnosis

Borrelia burgdorferi (Lyme disease): Clinical Features, Diagnosis

Lyme disease or Lyme borreliosis is a vector-borne zoonotic disease caused by Borrelia burgdorferi.

Demonstration of Treponema pallidum Using Dark-Field Microscopy

Demonstration of Treponema pallidum Using Dark-Field Microscopy

Dark field microscopy is the most specific and sensitive technique to diagnose syphilis when an active chancre or condyloma lata is present.

Leptospira interrogans: Characteristics, Pathogenesis, Lab Diagnosis

Leptospira interrogans: Characteristics, Pathogenesis, Lab Diagnosis

Leptospira interrogans is a tightly coiled fine spirochete responsible for the disease leptospirosis (weil's disease).