Laboratory passage and characterization of an isolate of Toxoplasma gondii from an ocular patient in Korea
Jong-Yil CHAI; Aifen LIN; Eun-Hee SHIN; Myoung-Don OH; Eun-Taek HAN; Ho-Woo NAN; Soon-Hyung LEE; Jong-Yil CHAI; Aifen LIN; Eun-Hee SHIN; Myoung-Don OH; Eun-Taek HAN; Ho-Woo NAN; Soon-Hyung LEE.
The Korean Journal of Parasitology
; : 147-154, 2003.
Artículo
en Inglés
| WPRIM | ID: wpr-98282
Toxoplasma gondii tachyzoites were isolated from the blood of an ocular patient, and have been successfully passaged in the laboratory, for over a year, by peritoneal inoculation in mice. The isolated parasite was designated the Korean Isolate-1 (KI-1) and its characteristics were compared with those of the RH strain, a wellknown virulent strain originating from a child who suffered from encephalitis. The morphology, pathogenicity, infectivity and cell culture characteristics of the KI-1 were similar to those of the RH strain. Both RH and KI-1 antigens were detected by an anti-T. gondii monoclonal antibody (mAb), Tg563, against the major surface protein SAG1 (30 kDa), whereas no reaction was observed against an anti-Neospora caninum mAb, 12B4. The KI-1 was confirmed as an isolate of T. gondii. A long-term laboratory maintenance and characterization of a local T. gondii isolate is reported for the first time in the Republic of Korea.
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