The reservoirs and the routes of transmission of Enterocytozoon bieneusi are still unknown. In humans, it is the most commonly found microsporidial species. It has also been found repeatedly in pigs, too. The first detection of E. bieneusi in cattle is reported herein. Two distinct genotypes were characterized and compared with 4 other genotypes from humans, 6 from pigs, and 1 from a cat. From these 13 E. bieneusi genotypes known to date, 25 polymorphic sites could be identified in the internal transcribed spacer of the rRNA gene. The spectrum of polymorphisms within and between each of the 4 host species indicates a close relationship between E. bieneusi strains from humans and pigs, whereas those from cattle are more distantly related. The data suggest the absence of a transmission barrier between pigs and humans for this pathogen.
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February 2000
Research Article|
February 01 2000
Close Genotypic Relationship between Enterocytozoon bieneusi from Humans and Pigs and First Detection in Cattle
Heinz Rinder;
Heinz Rinder
aDepartment of Infectious Diseases and Tropical Medicine, Leopoldstr. 5, D-80802 Munich, Germany
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Angelika Thomschke;
Angelika Thomschke
aDepartment of Infectious Diseases and Tropical Medicine, Leopoldstr. 5, D-80802 Munich, Germany
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Bianca Dengjel;
Bianca Dengjel
bInstitute for Comparative Tropical Medicine and Parasitology, Leopoldstr. 5, D-80802 Munich, Germany
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Rainer Gothe;
Rainer Gothe
bInstitute for Comparative Tropical Medicine and Parasitology, Leopoldstr. 5, D-80802 Munich, Germany
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Thomas Löscher;
Thomas Löscher
aDepartment of Infectious Diseases and Tropical Medicine, Leopoldstr. 5, D-80802 Munich, Germany
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Monika Zahler
Monika Zahler
bInstitute for Comparative Tropical Medicine and Parasitology, Leopoldstr. 5, D-80802 Munich, Germany
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J Parasitol (2000) 86 (1): 185–188.
Citation
Heinz Rinder, Angelika Thomschke, Bianca Dengjel, Rainer Gothe, Thomas Löscher, Monika Zahler; Close Genotypic Relationship between Enterocytozoon bieneusi from Humans and Pigs and First Detection in Cattle. J Parasitol 1 February 2000; 86 (1): 185–188. doi: https://doi.org/10.1645/0022-3395(2000)086[0185:CGRBEB]2.0.CO;2
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