A brief survey of free-living amebae in Thailand and Hamamatsu District, Japan

The aim of this study was to determine the presence of free-living amebae in aquatic habitats of human environments in Thailand and Hamamatsu district, Japan. Genus identification was based on the morphology of cyst and trophozoite forms and a flagellation test for genus Naegleria. The pathogenic po...

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Veröffentlicht in:	Southeast Asian journal of tropical medicine and public health 2001, Vol.32 Suppl 2, p.179-182
Hauptverfasser:	Nacapunchai, D, Kino, H, Ruangsitticha, C, Sriwichai, P, Ishih, A, Terada, M
Format:	Artikel
Sprache:	eng
Schlagworte:	Acanthamoeba - classification Acanthamoeba - isolation & purification Animals Data Collection Japan Lobosea - classification Lobosea - isolation & purification Naegleria - classification Naegleria - isolation & purification Soil - parasitology Thailand Water - parasitology
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Zusammenfassung:	The aim of this study was to determine the presence of free-living amebae in aquatic habitats of human environments in Thailand and Hamamatsu district, Japan. Genus identification was based on the morphology of cyst and trophozoite forms and a flagellation test for genus Naegleria. The pathogenic potential was tested in mice by nasal instillation for genus Naegleria and Acanthameba. In 14 provinces of Thailand, amebae were isolated in 43 from 95 water samples and 67 from 120 soil swabs. Amebae of 49 isolates from waters were identified as Acanthameba (36.7%), Naegleria (28.6%), Hartmannella (20.4%), Vahlkampfia (12.2%) and Vannella (2%). Soil samples have significantly higher levels of Acanthameba and Hartmannella (p
ISSN:	0125-1562