Download Blastocystis: Pathogen or Passenger?: An Evaluation of 101 by Heinz Mehlhorn, Kevin S. W. Tan, Hisao Yoshikawa PDF

By Heinz Mehlhorn, Kevin S. W. Tan, Hisao Yoshikawa

The levels of Blastocystis were recognized for a hundred and one years. although, many proof are nonetheless disputed, e.g. even the query if it is a real pathogen or a commensal found in occasionally life-threatening diarrheas.

The current e-book evaluates in chapters contributed through popular researchers the most recent findings on:

•Landmarks within the discovery of Blastocystis

•Epidemiology, transmission and zoonotic potential

•Morphology of human and animal Blastocystis isolates

•Clinical elements of Blastocystis infections

•Behavioral selection research: what makes us sick?

•Blastocystis-host interactions

•Molecular methods at the systematical position

•Genetic polymorphism

•Blastocystis from a statistical aspect of view

•Diarrheas as a result of various brokers of disease

•Zoonotic illnesses in comparison

As such, this e-book presents a large variety of knowledge for individuals operating during this box, for physicians and veterinarians who're faced with medical circumstances, academics, scholars and technical employees individuals within the fields of microbiology, parasitology and diagnostic methods.

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Extra resources for Blastocystis: Pathogen or Passenger?: An Evaluation of 101 Years of Research

Example text

Vet Parasitol 122:91–102 Yoshikawa H, Wu Z, Howe J, Hashimoto T, Geok-Choo NG, Tan KSW (2007) Ultrastructural and phylogenetic studies on Blastocystis isolates from cockroaches. J Eukaryot Microbiol 54:33–37 Zaman V (1997) Phase-contrast microscopy of cell division in Blastocystis hominis. Ann Trop Med Parasitol 91:223–224 Zaman V, Ng GC, Suresh K, Yap EH, Singh M (1993) Isolation of Blastocystis from the cockroach (Dictyoptera: Blattidae). Parasitol Res 79:73–74 Zaman V, Khan KZ (1994) A concentration technique for obtaining viable cysts of Blastocystis hominis from faeces.

24 The other alternative reproduction process of Blastocystis observed by phase-contrast microcopy and HIH stain. These morphologically irregular cells may show pseudopodal activity. 3 Conclusions Although Blastocystis is one of the common intestinal protozoa found in human and animal fecal samples, the taxonomy and reproduction modes of the organism are still not fully understood. Some of morphological appearances in light and electron microscopy are controversial surrounding this parasite is the lack of the uniformed consents.

2005; Ithoi et al. 2011). Molecular epidemiological studies also indicate that consumption of unboiled or raw water plants are infective sources of Blastocystis (Taamasri et al. 2000; Leelayoova et al. 2004, 2008; Li et al. 2007b). Several studies showed that cyst form could survive in water for up to 19 days or 1 month at room temperature or 25  C, respectively, and for 2 months at 4  C (Moe et al. 1997; Yoshikawa et al. 2004e). These differences may be strain or isolate difference, but more studies are required to determine life span of the cyst form in natural environment.

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