Study on the biological characteristic of Blastocystis hominis: morphology, mode of reproduction and the relation to bacteria

To observe the reproductive modes of Blastocystis hominis and study the relation between this protozoa and bacteria. Using the Iodine and Haematoxylin staining, the morphology of B. h from patients and RPMI 1640 medium were observed. The B. h positive mucous diarrheal specimens were cultured and ide...

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Bibliographic Details
Published inWei sheng yan jiu Vol. 35; no. 6; p. 739
Main Authors Qiao, Ji-ying, Zhang, Xu, Wei, Zhi-chao, Yang, Jun-hua, Li, Ya-qing, Zhang, Rong
Format Journal Article
LanguageChinese
Published China 01.11.2006
Subjects
Animals
Blastocystis hominis - microbiology
Blastocystis hominis - physiology
Blastocystis hominis - ultrastructure
Escherichia coli - physiology
Feces - parasitology
Humans
Reproduction - physiology
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Summary:To observe the reproductive modes of Blastocystis hominis and study the relation between this protozoa and bacteria. Using the Iodine and Haematoxylin staining, the morphology of B. h from patients and RPMI 1640 medium were observed. The B. h positive mucous diarrheal specimens were cultured and identified any possible known pathogenic intestinal bacteria. B. h and colibacillus were co-cultured to observe the interaction between them. Four modes of reproduction for B. h were confirmed: binary fission, endodyogeny, multiple fission and budding. The fact that there was no other intestinal pathogens in half of the B. h positive specimens suggested B. h may cause disease independently. B. h and colibacillus were restrained each other. B. h reproduces in at least four modes. B. h could be a pathogen and its pathogenesis may be related to micro-ecological changes.
ISSN:1000-8020