Leptospira
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- Leptospira
- Leptonema
Taxonometry
The Leptospiraceae family (usually refered to by genus name Leptospira) groups a small number of both pathogenic and saprophytic microorganisms. The first Leptospira to become described - Leptospira interrogans (1907) as Spirochaeta Interrogans) was isolated from kidney tissue slices of a Leptospirosis victim. For quite a time, the genus only had two members - the pathogenic (L. interrogans) and saprophytic (L. biflexia).
The current (2004)classification of leptospira bacteria (family Leptospiraceae) is as follows:
- Genus Leptospira
Leptospira interrogans (aka Spirochaeta interrogans aka Spirochaeta icterohaemorrhagiae aka Spirochaeta icterogenes aka Leptospira icteroides)
Leptospira biflexa
Leptospira alexanderi
Leptospira borgpetersenii
Leptospira fainei
Leptospira inadai
Leptospira kirschneri
Leptospira meyeri
Leptospira noguchii
Leptospira parva
Leptospira santarosai
Leptospira weilii
Leptospira wolbachii
- Genus Leptonema
Leptonema illini
Description
The leptospira are helix-shaped motile gram-negative bacteria; if straightened, they'd measure 6-20 μm long and 0.1-0.15μm in diameter. The number of curls depends on the straightened length and varius up to as much as 20. The bacteria have a number of freedom degrees; when ready to proliferate via binary fision, the bacterium notably bends in the place of the future split.
