Description of Dientamoeba fragilis cyst and precystic forms from human samples

D Stark; L S Garcia; J L N Barratt; O Phillips; T Roberts; D Marriott; J Harkness; J T Ellis

doi:10.1128/JCM.00813-14

Description of Dientamoeba fragilis cyst and precystic forms from human samples

J Clin Microbiol. 2014 Jul;52(7):2680-3. doi: 10.1128/JCM.00813-14. Epub 2014 May 7.

Authors

D Stark¹, L S Garcia², J L N Barratt³, O Phillips⁴, T Roberts⁵, D Marriott⁵, J Harkness⁵, J T Ellis⁶

Affiliations

¹ Division of Microbiology, SydPath, St. Vincent's Hospital, Darlinghurst, Australia University of Technology Sydney, School of Medical and Molecular Biosciences, Broadway, Australia dstark@stvincents.com.au.
² LSG & Associates, Santa Monica, California, USA.
³ iThree Institute, University of Technology Sydney, Broadway, Australia.
⁴ Division of Microbiology, SydPath, St. Vincent's Hospital, Darlinghurst, Australia.
⁵ Division of Microbiology, SydPath, St. Vincent's Hospital, Darlinghurst, Australia University of Technology Sydney, School of Medical and Molecular Biosciences, Broadway, Australia.
⁶ University of Technology Sydney, School of Medical and Molecular Biosciences, Broadway, Australia.

Abstract

Dientamoeba fragilis is a common enteropathogen of humans. Recently a cyst stage of the parasite was described in an animal model; however, no cyst stage has been described in detail from clinical samples. We describe both cyst and precystic forms from human clinical samples.

MeSH terms

Dientamoeba / cytology*
Dientamoeba / physiology
Dientamoebiasis / parasitology*
Humans
Microscopy
Spores, Protozoan / cytology*
Spores, Protozoan / physiology