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Volume 17, Number 9—September 2011
Dispatch

Tubulinosema sp. Microsporidian Myositis in Immunosuppressed Patient

Maria M. ChoudharyComments to Author , Maureen G. Metcalfe, Kathryn Arrambide, Caryn Bern, Govinda S. Visvesvara, Norman J. Pieniazek, Rebecca D. Bandea, Marlene DeLeon-Carnes, Patricia Adem, Moaz M. Choudhary, Sherif R. Zaki, and Musab U. Saeed
Author affiliations: Author affiliations: Cleveland Clinic Foundation, Cleveland, Ohio, USA (Maria M. Choudhary); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (M.G. Metcalfe, C. Bern, G.S. Visvesvara, N.J. Pieniazek, R.D. Bandea, M. DeLeon-Carnes, P. Adem, S.R. Zaki); Southern Illinois University, Quincy, Illinois, USA (K. Arrambide, Moaz M. Choudhary, M.U. Saeed)

Main Article

Table

Comparison of various Tubulinosema spp. with organism isolated from a 67-year old woman in 2009*

Characteristics Tu. ratisbonensis Tu. kingi Tu. acridophagus 2009 isolate
First described 2005 1962 1967 NA
Previously named NA Nosema kingi Visvesvaria acridophagus, Nosema acridophagus NA
Host in which identified Drosophila melanogaster
fruit fly (Diptera) D. willistoni
fruit fly Schistocerca Americana grasshopper (Orthoptera) Human
(skeletal muscle)
Known human infections None None None None
Microtubules on plasma lemma Present Present Present Not seen
Spore shape Pear shaped Oval Oval Round-to-pear shaped
Meronts nuclei 1, 2, or 4 1, 2, or 4 1, 2, or 4 Meronts not seen
Sporonts nuclei 2–4 2–4 2–4 Sporonts not seen
Polar tube 9–14 13 10–12 11
Coils/rows Single Single/
double (anterior) Single Single
Polar filament arrangement Anisofilar Isofilar Isofilar Anisofilar

*NA, not applicable.

Main Article

Page created: September 06, 2011
Page updated: September 06, 2011
Page reviewed: September 06, 2011
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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