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Rotifers Ingest Oocysts of Cryptosporidium parvum
Author(s) -
FAYER RONALD,
TROUT JAMES M.,
WALSH ELIZABETH,
COLE REBECCA
Publication year - 2000
Publication title -
journal of eukaryotic microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.067
H-Index - 77
eISSN - 1550-7408
pISSN - 1066-5234
DOI - 10.1111/j.1550-7408.2000.tb00026.x
Subject(s) - biology , cryptosporidium parvum , cryptosporidium , microbiology and biotechnology , apicomplexa , protozoal disease , feces , immunology , malaria
. Six genera of rotifers including Philodina, Monostyla, Epiphanes, Euchlanis, Brachionus , and Asplanchna were exposed to oocysts of Cryptosporidium parvum cleaned of fecal debris. Unstained oocysts and those stained with fluorescein‐conjugated monoclonal antibody were added to suspensions of viable rotifers and were examined by phase‐contrast, differential interference contrast, and fluorescence microscopy. Rotifers of all six genera were observed ingesting oocysts. A maximum of 25 oocysts was observed in the stomachs of Euchlanis and Brachionus. Euchlanis and Epiphanes were observed excreting boluses containing up to eight oocysts. It was not determined whether rotifers digested or otherwise rendered oocysts nonviable.