Hardjo type Prajitno

Hardjo Hardjoprajitno 1953

The strain was isolated in 1938 from a patient in Sumatra, Indonesia, by Wolff (1953), who quotes it under the serovar name hardjo. The serovar is first mentioned in the list of Wolff and Broom of 1954. The strain was submitted to factor analysis by Kmety (1977), who, on the basis of the results, placed it in the subgroup Wolffi.
By DNA restriction endonuclease analysis differences among strains of this serovar were reported (Thiermann and Ellis, 1986). They suggest dividing the serovar into two different genotypes Hardjo-prajitno and Hardjo-bovis.
Strain Hardjoprajitno belongs to species L. interrogans, while strain Sponselee belongs to L. borgpetersenii (Brenner et al., 1999).
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* Wolff J. W. The classification of pathogenic leptospires. In: Symposium on the Leptospires, Washington D.C. Army Medical Service Graduate School, Med. Sc. Publ. No. 1, 1953, 174-182 .
* Wolff J.W., Broom J.C.: The Genus Leptospira Noguchi 1917, Problems of Classification and Suggested System Based on Antigenic Analysis. Doc. Med. Geogr. Trop. 6, 1954, 78-95.
* Kmety E. Studium antigennej structury leptospir. Klasifikacia serologickej skupiny Hebdomadis. Folia Fac. Med. Univ. Comenianae Bratisl. XV., 2, 1977, 245-309.
* Thiermann A.B., Ellis W.A. Identification of leptospires of veterinary importance by restriction endonuclease analysis. The present state of leptospirosis diagnosis and control. A seminar organised by the commission of European Communities, Nijhoff publishers, 1986.
* Brenner DJ, Kaufmann AF, Sulzer KR, Steigerwalt AG, Rogers FC, Weyant RS (1999). Further determination of DNA relatedness between serogroups and serovars in the family Leptospiraceae with a proposal for Leptospira alexanderi sp. nov. and four new Leptospira genomospecies. Int J Syst Bacteriol 49 Pt 2: 839-858

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