Relapsing fever is a bacterial infection characterized by recurrent episodes of fever and nonspecific symptoms following exposure to insect vector-carrying Borrelia species. There are two...
Tag: Spirochetes
Treponema (trepos meaning turn and nema meaning thread) pallidum is a member of the spirochete family having a characterized distinct helical shape. It is the causative agent of syphilis, an...
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,...
Borrelia burgdorferi (Lyme disease): Clinical Features, Diagnosis
Lyme disease (named after a town in Connecticut) or Lyme borreliosis is a vector-borne zoonotic disease caused by three genomospecies of Borrelia, collectively referred to as Borrrelia burgdorferi...
Demonstration of Treponema pallidum Using Dark-Field Microscopy
Treponema pallidum is a thin, delicate, tightly wound spirochaete that cannot be seen in Gram-stained smears. So, dark-field microscopy is used to demonstrate the presence of motile Treponema...
Leptospira interrogans: Characteristics, Pathogenesis, Lab Diagnosis
Leptospira interrogans is a member of the class Spirochaetes order Spirochaetales and the family Leptospiraceae. There are two species of Leptospira; Leptospira interrogans are the pathogenic species...
