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Species/Subspecies: Treponema pedis
Etymology: Genus name: a turning thread
Species epithet: of the foot, referring to the source of isolation
Significance:  [Important]   
Taxonomy:
PhylumClassOrderFamilyGenus
SpirochaetesSpirochaetiaSpirochaetalesSpirochaetaceaeTreponema
Type Strain: T3552B = DSM 18691 = NCTC 13403
Macromorphology (smell):
Treponema pedis Treponema pedis 
After 11 days on FAA plates with 10% blood colonies are 0.5-2.0 mm in diameter, flat, hemolytic with a metallic sheen
Micromorphology: Thin, coiled (0.2-0.3 x 5-16 µm) and motile cells with 4-10 windings. Each cell has six periplasmic flagella where three of the originate from each end and they overlap in the middle of the cell. This used to be referred to as a 3:6:3 flagellation pattern.
Gram +/Gram -:G -
Metabolism: Anaerobic
Catalase/Oxidase:
Spec. Char.:
Hosts: Cattle, pigs, sheep
Disease (Swedish):Smittsamt klöveksem (nötkreatur), öronnekros och bogsår (gris). Bakterien har också isolerats från gingiva (tandkött) hos gris.
Disease (English):Digital dermatitis (cattle), ear necrosis and shoulder ulcer (pigs). The bacterium has also been isolated from the gingiva (gums) of pigs.
Clinical Picture:
Genome Sequence:
Acc-noStrainSize (bp)GenomeRef.
CP004120 T A4 2 889 325 1c + 0 Nr 120

16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
EF061268  T3552BT 1 417 

Taxonomy/phylogeny:
 Treponema pedis
About 25 different species have been described within the genus Treponema. There are different opinions among researchers about which should be regarded as separate species or only as subspecies of a certain species. Some researchers think that e.g. T. pallidum subsp. pallidum and T. pallidum subsp. pertenue should be regarded as different species, although they are very closely related from a phylogenetic point of view. See the phylogenetic tree (Fig. 188:3).
Updated:2016-03-30
 

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