{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,13]],"date-time":"2026-06-13T03:52:02Z","timestamp":1781322722208,"version":"3.54.1"},"reference-count":42,"publisher":"American Society for Microbiology","issue":"2","license":[{"start":{"date-parts":[[2000,2,1]],"date-time":"2000-02-01T00:00:00Z","timestamp":949363200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Appl Environ Microbiol"],"published-print":{"date-parts":[[2000,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>This study was undertaken in order to characterize<jats:italic>Cryptosporidium meleagridis<\/jats:italic>isolated from a turkey in Hungary and to compare the morphologies, host specificities, organ locations, and small-subunit RNA (SSU rRNA) gene sequences of this organism and other<jats:italic>Cryptosporidium<\/jats:italic>species. The phenotypic differences between<jats:italic>C. meleagridis<\/jats:italic>and<jats:italic>Cryptosporidium parvum<\/jats:italic>Hungarian calf isolate (zoonotic genotype) oocysts were small, although they were statistically significant. Oocysts of<jats:italic>C. meleagridis<\/jats:italic>were successfully passaged in turkeys and were transmitted from turkeys to immunosuppressed mice and from mice to chickens. The location of<jats:italic>C. meleagridis<\/jats:italic>was the small intestine, like the location of<jats:italic>C. parvum<\/jats:italic>. A comparison of sequence data for the variable region of the SSU rRNA gene of<jats:italic>C. meleagridis<\/jats:italic>isolated from turkeys with other<jats:italic>Cryptosporidium<\/jats:italic>sequence data in the GenBank database revealed that the Hungarian<jats:italic>C. meleagridis<\/jats:italic>sequence is identical to a<jats:italic>C. meleagridis<\/jats:italic>sequence recently described for a North Carolina isolate. Thus,<jats:italic>C. meleagridis<\/jats:italic>is a distinct species that occurs worldwide and has a broad host range, like the<jats:italic>C. parvum<\/jats:italic>zoonotic strain (also called the calf or bovine strain) and<jats:italic>Cryptosporidium felis<\/jats:italic>. Because birds are susceptible to<jats:italic>C. meleagridis<\/jats:italic>and to some zoonotic strains of<jats:italic>C. parvum<\/jats:italic>, these animals may play an active role in contamination of surface waters not only with<jats:italic>Cryptosporidium baileyi<\/jats:italic>but also with<jats:italic>C. parvum<\/jats:italic>-like parasites.<\/jats:p>","DOI":"10.1128\/aem.66.2.735-738.2000","type":"journal-article","created":{"date-parts":[[2002,7,27]],"date-time":"2002-07-27T10:03:59Z","timestamp":1027764239000},"page":"735-738","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":53,"title":["Morphologic, Host Specificity, and Molecular Characterization of a Hungarian<i>Cryptosporidium meleagridis<\/i>Isolate"],"prefix":"10.1128","volume":"66","author":[{"given":"Tama\u0301s","family":"Sre\u0301ter","sequence":"first","affiliation":[{"name":"<!--label omitted: 1-->Departments of Parasitology and Pathology, Szent Istva\u0301n University Faculty of Veterinary Science,1 and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ga\u0301bor","family":"Kova\u0301cs","sequence":"additional","affiliation":[{"name":"<!--label omitted: 2-->Department of Microbiology, Faculty of Natural Sciences, Eo\u0308tvo\u0308s Lora\u0301nd University,2 Budapest, Hungary; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandre J.","family":"da Silva","sequence":"additional","affiliation":[{"name":"<!--label omitted: 3-->Division of Parasitic Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Public Health Service, U. S. Department of Health and Human Services, Atlanta, Georgia 30341-37243"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Norman J.","family":"Pieniazek","sequence":"additional","affiliation":[{"name":"<!--label omitted: 3-->Division of Parasitic Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Public Health Service, U. S. Department of Health and Human Services, Atlanta, Georgia 30341-37243"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zolta\u0301n","family":"Sze\u0301ll","sequence":"additional","affiliation":[{"name":"<!--label omitted: 1-->Departments of Parasitology and Pathology, Szent Istva\u0301n University Faculty of Veterinary Science,1 and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miha\u0301ly","family":"Dobos-Kova\u0301cs","sequence":"additional","affiliation":[{"name":"<!--label omitted: 1-->Departments of Parasitology and Pathology, Szent Istva\u0301n University Faculty of Veterinary Science,1 and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ka\u0301roly","family":"Ma\u0301rialigeti","sequence":"additional","affiliation":[{"name":"<!--label omitted: 2-->Department of Microbiology, Faculty of Natural Sciences, Eo\u0308tvo\u0308s Lora\u0301nd University,2 Budapest, Hungary; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Istva\u0301n","family":"Varga","sequence":"additional","affiliation":[{"name":"<!--label omitted: 1-->Departments of Parasitology and Pathology, Szent Istva\u0301n University Faculty of Veterinary Science,1 and"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","first-page":"173","article-title":"Attempts to transmit Cryptosporidium baileyi,C. muris and C. parvum to aquatic lower vertebrates.","volume":"45","author":"B\u00e9k\u00e9si L.","year":"1998","unstructured":"B\u00e9k\u00e9si L. 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