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spirochete
(redirected from spirochetal)

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spirochete

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Scanning electron micrograph of the spirochete Treponema pallidum attached to testicular …
(credit: ASM/Science Source)
Any of an order (Spirochaetales) of spiral-shaped bacteria. Some are serious pathogens for humans, causing such diseases as syphilis, yaws, and relapsing fever. Spirochetes are gram-negative (see gram stain) and motile. They are unique in that their flagella, which number between two and more than 200 per organism, are contained within the cell. Most spirochetes are found in a liquid environment (e.g., mud and water, blood and lymph). Several species are borne by lice and ticks, which transmit them to humans.
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To determine whether the presence of domestic ungulates may reduce risk for human Lyme disease, we compared the prevalence of spirochetal infection in ticks taken from an ecotonal cattle pasture to that in a site in which no cattle were permitted to graze.
Modulatory effect of cattle on risk for Lyme disease by Matuschka, Franz-Rainer / Emerging Infectious Diseases
burgdorferi, the spirochetal agent of Lyme disease, in both U.
National Institutes of Health Awards Grant for More Accurate Lyme ... by Business Wire
Borrelia burgdorferi, the spirochetal agent of Lyme borreliosis (LB) in the United States, is a tickborne zoonotic pathogen that infects an expansive range of vertebrate species, involving diverse mammalian and avian hosts (9-14).
Epidemic spread of Lyme borreliosis, Northeastern United States by Fish, Durland / Emerging Infectious Diseases
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