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  • Title: [Study on the biological characteristic of Blastocystis hominis: morphology, mode of reproduction and the relation to bacteria].
    Author: Qiao JY, Zhang X, Wei ZC, Yang JH, Li YQ, Zhang R.
    Journal: Wei Sheng Yan Jiu; 2006 Nov; 35(6):739-42. PubMed ID: 17290755.
    Abstract:
    OBJECTIVE: To observe the reproductive modes of Blastocystis hominis and study the relation between this protozoa and bacteria. METHODS: 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. RESULTS: 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. CONCLUSION: B. h reproduces in at least four modes. B. h could be a pathogen and its pathogenesis may be related to micro-ecological changes.
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