Read e-book online Blastocystis: Pathogen or Passenger?: An Evaluation of 101 PDF

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

ISBN-10: 3642327370

ISBN-13: 9783642327377

ISBN-10: 3642327389

ISBN-13: 9783642327384

The levels of Blastocystis were identified for one zero one years. even though, many evidence 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 ebook evaluates in chapters contributed by way of well known researchers the newest 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 ways at the systematical position

•Genetic polymorphism

•Blastocystis from a statistical aspect of view

•Diarrheas because of diverse brokers of disease

•Zoonotic ailments in comparison

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

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Additional info for Blastocystis: Pathogen or Passenger?: An Evaluation of 101 Years of Research

Example text

2003a,b,c; Abe 2004; Rivera and Tan 2005; Yan et al. 2007). If Blastocystis can transmit among a variety of mammals and birds including humans, we are facing is how to assign species name for these Blastocystis isolates from humans and animals (Yoshikawa et al. 2004c). In 2007, therefore, Blastocystis isolates from mammalian and avian animal hosts has been consensually named Blastocystis sp. and it classifies all isolates into 9 STs based on the phylogeny inferred with SSU rRNA gene (Stensvold et al.

Interestingly, the central vacuole does not exist in this form, while a large mass of the glycogen granules in the cytoplasm is reported in a reptilian isolate (Yoshikawa et al. 2003) (Fig. 13). The number of nucleus is also variable among the isolates and it has been reported from a single nucleus to 4 nuclei (Stenzel and Boreham 1991; Zaman et al. 1993, 1995; Stenzel et al. 1997; Chen et al. 1999; Yoshikawa et al. 2003). 22 M. Yamada and H. Yoshikawa Fig. 12 High magnification view of the mitochondria-like organelle (MLO).

The presence of virus-like particles in the Blastocystis isolate from a seasnake, which was insensitive for DNase, while it was sensitive for RNase, was also reported (Teow et al. 1992b). The most prominent feature of Blastocystis is having a large central vacuole; hence the cytoplasm is pushed in the peripheral rim. The function of the central vacuole is not yet conclusively confirmed. However, metabolic and storage functions of the central vacuole had been demonstrated by the trace of cationized ferritin added in culture medium and by the histochemical methods for lipids, carbohydrates, and basic proteins (Stenzel et al.

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

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