Reevaluating the Molecular Taxonomy: Is Human-Associated Cyclospora a Mammalian Eimeria Species?

Human-associated Cyclospora is a coccidian parasite that causes diarrheal disease. A reevaluation of the parasite's molecular taxonomy that takes into account newly published data for seven Eimeria species shows that Cyclospora belongs to the Eimeria clade (Eimeriidae family). The Cyclospora br...

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Main Authors: Norman J. Pieniazek, Barbara L. Herwaldt
Format: Article
Language:English
Published: Centers for Disease Control and Prevention 1997-09-01
Series:Emerging Infectious Diseases
Subjects:
Online Access:https://wwwnc.cdc.gov/eid/article/3/3/97-0319_article
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author Norman J. Pieniazek
Barbara L. Herwaldt
author_facet Norman J. Pieniazek
Barbara L. Herwaldt
author_sort Norman J. Pieniazek
collection DOAJ
description Human-associated Cyclospora is a coccidian parasite that causes diarrheal disease. A reevaluation of the parasite's molecular taxonomy that takes into account newly published data for seven Eimeria species shows that Cyclospora belongs to the Eimeria clade (Eimeriidae family). The Cyclospora branch on the phylogenetic tree is between the branches of the eight avian and two mammalian Eimeria species that have been evaluated to date. Furthermore, preliminary results indicate that Cyclospora and Isospora belli, another coccidian parasite that causes diarrheal disease in humans, belong to different families. To improve our understanding of the taxonomy of human-associated Cyclospora, molecular evaluation of isolates of additional Cyclospora and Eimeria species is needed.
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spelling doaj.art-f598bd3f425e480f8438d0e988eb854a2022-12-21T17:48:22ZengCenters for Disease Control and PreventionEmerging Infectious Diseases1080-60401080-60591997-09-013338138310.3201/eid0303.970319Reevaluating the Molecular Taxonomy: Is Human-Associated Cyclospora a Mammalian Eimeria Species?Norman J. PieniazekBarbara L. HerwaldtHuman-associated Cyclospora is a coccidian parasite that causes diarrheal disease. A reevaluation of the parasite's molecular taxonomy that takes into account newly published data for seven Eimeria species shows that Cyclospora belongs to the Eimeria clade (Eimeriidae family). The Cyclospora branch on the phylogenetic tree is between the branches of the eight avian and two mammalian Eimeria species that have been evaluated to date. Furthermore, preliminary results indicate that Cyclospora and Isospora belli, another coccidian parasite that causes diarrheal disease in humans, belong to different families. To improve our understanding of the taxonomy of human-associated Cyclospora, molecular evaluation of isolates of additional Cyclospora and Eimeria species is needed.https://wwwnc.cdc.gov/eid/article/3/3/97-0319_articleUnited States
spellingShingle Norman J. Pieniazek
Barbara L. Herwaldt
Reevaluating the Molecular Taxonomy: Is Human-Associated Cyclospora a Mammalian Eimeria Species?
Emerging Infectious Diseases
United States
title Reevaluating the Molecular Taxonomy: Is Human-Associated Cyclospora a Mammalian Eimeria Species?
title_full Reevaluating the Molecular Taxonomy: Is Human-Associated Cyclospora a Mammalian Eimeria Species?
title_fullStr Reevaluating the Molecular Taxonomy: Is Human-Associated Cyclospora a Mammalian Eimeria Species?
title_full_unstemmed Reevaluating the Molecular Taxonomy: Is Human-Associated Cyclospora a Mammalian Eimeria Species?
title_short Reevaluating the Molecular Taxonomy: Is Human-Associated Cyclospora a Mammalian Eimeria Species?
title_sort reevaluating the molecular taxonomy is human associated cyclospora a mammalian eimeria species
topic United States
url https://wwwnc.cdc.gov/eid/article/3/3/97-0319_article
work_keys_str_mv AT normanjpieniazek reevaluatingthemoleculartaxonomyishumanassociatedcyclosporaamammalianeimeriaspecies
AT barbaralherwaldt reevaluatingthemoleculartaxonomyishumanassociatedcyclosporaamammalianeimeriaspecies