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Treponema pallidum pallidum is a motile spirochete that is generally acquired by close sexual contact, entering the host via breaches in squamous or columnar epithelium. The organism can also be transmitted to a fetus by transplacental passage during the later stages of pregnancy, giving rise to congenital syphilis. [ 54 ]
Treponema is a genus of spiral-shaped bacteria. The major treponeme species of human pathogens is Treponema pallidum, whose subspecies are responsible for diseases such as syphilis, bejel, and yaws. Treponema carateum is the cause of pinta. [2] Treponema paraluiscuniculi is associated with syphilis in rabbits. [3]
Histopathology of Treponema pallidum spirochetes using a modified Steiner silver stain Scientific classification; Domain: Bacteria: Phylum: Spirochaetota: Class: Spirochaetia: Order: Spirochaetales: Family: Treponemataceae Robinson 1948 [1] (Approved Lists 1980) [2] Genera "Ca. Avitreponema" Brucepastera "Ca. Gallitreponema" Teretinema ...
Histopathology of Treponema pallidum bacteria using a modified Steiner silver stain, 1986 Treponema pallidum subspecies pallidum is a spiral-shaped, Gram-negative , highly mobile bacterium. [ 11 ] [ 22 ] Two other human diseases are caused by related Treponema pallidum subspecies, yaws (subspecies pertenue ) and bejel (subspecies endemicum ...
Bejel, or endemic syphilis, is a chronic skin and tissue disease caused by infection by the endemicum subspecies of the spirochete Treponema pallidum.Bejel is one of the "endemic treponematoses" (endemic infections caused by spiral-shaped bacteria called treponemes), a group that also includes yaws and pinta.
Treponema pallidum subspecies which cause treponematoses such as syphilis and yaws. Brachyspira pilosicoli and Brachyspira aalborgi, which cause intestinal spirochaetosis [16] Salvarsan, the first partially organic synthetic antimicrobial drug in medical history, was effective against spirochaetes and primarily used to cure syphilis.
Thin spirochete Treponema pallidum bacteria, the causative agent of syphilis magnified 400 times. A spirochete (plural spirochetes) is a very thin, elongate, flexible, spiral bacteria that is motile via internal periplasmic flagella inside the outer membrane. [33] They comprise the phylum Spirochaetes.
Bacteria (/ b æ k ˈ t ɪər i ə / ⓘ; sg.: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among the first life forms to appear on Earth, and are present in most of its habitats.