Genus Orientia

Warning: In the List of Prokaryotic names with Standing in Nomenclature, an arrow () only indicates the sequence of valid publication of names and does not mean that the last name in the sequence must be used (see: Introduction).

Number of species cited in this file: 1
Number of subspecies cited in this file: 0

Classification (Warning: see also the file "Classification of prokaryotes: Introduction").

 

Orientia Tamura et al. 1995, gen. nov.
Type species: ¤ Orientia tsutsugamushi (Hayashi 1920) Tamura et al. 1995.
Etymology: N.L. fem. n. Orientia (from L. n. oriens -entis, the East, Orient), the Orient, the area where the organisms are widely distributed.
Reference: TAMURA (A.), OHASHI (N.), URAKAMI (H.) and MIYAMURA (S.): Classification of Rickettsia tsutsugamushi in a new genus, Orientia gen. nov., as Orientia tsutsugamushi comb. nov. Int. J. Syst. Bacteriol., 1995, 45, 589-591.
Original article in IJSEM Online

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Orientia tsutsugamushi (Hayashi 1920) Tamura et al. 1995, comb. nov. (Type species of the genus.)
Type strain: (see also StrainInfo.net) strain Karp = ATCC VR-150.
Sequence accession no. (16S rRNA gene) for the type strain: D38623.
Basonym: ¤ Rickettsia tsutsugamushi (Hayashi 1920) Ogata 1931 (Approved Lists 1980).
Etymology: Japanese n. tsutsugamushi (from two Japanese ideographs transliterated tsutuga something small and dangerous, and mushi a creature, now known to be a mite), popular name of the disease caused by this species, generally interpreted to mean "mite disease"; N.L. gen. n. tsutsugamushi, of  a mite disease (of tsutsugamushi).
Other synonyms: "Theileria tsutsugamushi" Hayashi 1920, "Rickettsia orientalis" Nagayo et al. 1930, "Rickettsia akamushi" Kawamura and Imagawa 1931.
Reference: TAMURA (A.), OHASHI (N.), URAKAMI (H.) and MIYAMURA (S.): Classification of Rickettsia tsutsugamushi in a new genus, Orientia gen. nov., as Orientia tsutsugamushi comb. nov. Int. J. Syst. Bacteriol., 1995, 45, 589-591.
Original article in IJSEM Online

Note: In the paper by Tamura et al. 1995, the type strain is erroneously cited as ATCC VR 150 (without dash).
Reference: TANG (J.): Personal communication (May 30, 2001).

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