Morphologic, host specificity, and genetic characterization of a European Cryptosporidium andersoni isolate

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Abstract

This study was undertaken in order to characterize a Cryptosporidium muris-like parasite isolated from cattle in Hungary and to compare this strain with other Cryptosporidium species. To date, the large-type oocysts isolated from cattle were considered as C. muris described from several mammals. The size, form, and structure of the oocysts of the Hungarian strain were identical with those described by others from cattle. An apparent difference between the morphometric data of C. muris-like parasites isolated from cattle or other mammals was noted, which is similar in magnitude to the differences between Cryptosporidium meleagridis and Cryptosporidium felis or between Cryptosporidium serpentis and Cryptosporidium baileyi. The cross-transmission experiments confirmed the findings of others, as C. muris-like oocysts isolated from cattle fail to infect other mammals. The sequence of the variable region of small subunit (SSU) rRNA gene of the strain was 100% identical with that of the U.S. Cryptosporidium andersoni and C. andersoni-like isolates from cattle. The difference between the SSU rRNA sequence of bovine strains and C. muris is similar in magnitude to the differences between C. meleagridis and Cryptosporidium parvum anthroponotic genotype or between Cryptosporidium wrairi and C. parvum zoonotic genotype. Our findings confirm that the Cryptosporidium species responsible for abomasal cryptosporidiosis and economic losses in the cattle industry should be considered a distinct species, C. andersoni Lindsay, Upton, Owens, Morgan, Mead, and Blagburn, 2000.

Original languageEnglish
Pages (from-to)1244-1249
Number of pages6
JournalJournal of Parasitology
Volume86
Issue number6
Publication statusPublished - 2000

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Cryptosporidium andersoni
Cryptosporidium
host specificity
Host Specificity
Cryptosporidium muris
cattle
oocysts
Oocysts
Cryptosporidium parvum
mammal
mammals
Mammals
parasite
genotype
Cryptosporidium baileyi
ribosomal RNA
mead
parasites
Parasites
cryptosporidiosis

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Parasitology
  • Microbiology

Cite this

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title = "Morphologic, host specificity, and genetic characterization of a European Cryptosporidium andersoni isolate",
abstract = "This study was undertaken in order to characterize a Cryptosporidium muris-like parasite isolated from cattle in Hungary and to compare this strain with other Cryptosporidium species. To date, the large-type oocysts isolated from cattle were considered as C. muris described from several mammals. The size, form, and structure of the oocysts of the Hungarian strain were identical with those described by others from cattle. An apparent difference between the morphometric data of C. muris-like parasites isolated from cattle or other mammals was noted, which is similar in magnitude to the differences between Cryptosporidium meleagridis and Cryptosporidium felis or between Cryptosporidium serpentis and Cryptosporidium baileyi. The cross-transmission experiments confirmed the findings of others, as C. muris-like oocysts isolated from cattle fail to infect other mammals. The sequence of the variable region of small subunit (SSU) rRNA gene of the strain was 100{\%} identical with that of the U.S. Cryptosporidium andersoni and C. andersoni-like isolates from cattle. The difference between the SSU rRNA sequence of bovine strains and C. muris is similar in magnitude to the differences between C. meleagridis and Cryptosporidium parvum anthroponotic genotype or between Cryptosporidium wrairi and C. parvum zoonotic genotype. Our findings confirm that the Cryptosporidium species responsible for abomasal cryptosporidiosis and economic losses in the cattle industry should be considered a distinct species, C. andersoni Lindsay, Upton, Owens, Morgan, Mead, and Blagburn, 2000.",
author = "T. Sr{\'e}ter and Z. Egyed and Z. Sz{\'e}ll and G. Kov{\'a}cs and M. Nikolausz and K. M{\'a}rialigeti and I. Varga",
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T1 - Morphologic, host specificity, and genetic characterization of a European Cryptosporidium andersoni isolate

AU - Sréter, T.

AU - Egyed, Z.

AU - Széll, Z.

AU - Kovács, G.

AU - Nikolausz, M.

AU - Márialigeti, K.

AU - Varga, I.

PY - 2000

Y1 - 2000

N2 - This study was undertaken in order to characterize a Cryptosporidium muris-like parasite isolated from cattle in Hungary and to compare this strain with other Cryptosporidium species. To date, the large-type oocysts isolated from cattle were considered as C. muris described from several mammals. The size, form, and structure of the oocysts of the Hungarian strain were identical with those described by others from cattle. An apparent difference between the morphometric data of C. muris-like parasites isolated from cattle or other mammals was noted, which is similar in magnitude to the differences between Cryptosporidium meleagridis and Cryptosporidium felis or between Cryptosporidium serpentis and Cryptosporidium baileyi. The cross-transmission experiments confirmed the findings of others, as C. muris-like oocysts isolated from cattle fail to infect other mammals. The sequence of the variable region of small subunit (SSU) rRNA gene of the strain was 100% identical with that of the U.S. Cryptosporidium andersoni and C. andersoni-like isolates from cattle. The difference between the SSU rRNA sequence of bovine strains and C. muris is similar in magnitude to the differences between C. meleagridis and Cryptosporidium parvum anthroponotic genotype or between Cryptosporidium wrairi and C. parvum zoonotic genotype. Our findings confirm that the Cryptosporidium species responsible for abomasal cryptosporidiosis and economic losses in the cattle industry should be considered a distinct species, C. andersoni Lindsay, Upton, Owens, Morgan, Mead, and Blagburn, 2000.

AB - This study was undertaken in order to characterize a Cryptosporidium muris-like parasite isolated from cattle in Hungary and to compare this strain with other Cryptosporidium species. To date, the large-type oocysts isolated from cattle were considered as C. muris described from several mammals. The size, form, and structure of the oocysts of the Hungarian strain were identical with those described by others from cattle. An apparent difference between the morphometric data of C. muris-like parasites isolated from cattle or other mammals was noted, which is similar in magnitude to the differences between Cryptosporidium meleagridis and Cryptosporidium felis or between Cryptosporidium serpentis and Cryptosporidium baileyi. The cross-transmission experiments confirmed the findings of others, as C. muris-like oocysts isolated from cattle fail to infect other mammals. The sequence of the variable region of small subunit (SSU) rRNA gene of the strain was 100% identical with that of the U.S. Cryptosporidium andersoni and C. andersoni-like isolates from cattle. The difference between the SSU rRNA sequence of bovine strains and C. muris is similar in magnitude to the differences between C. meleagridis and Cryptosporidium parvum anthroponotic genotype or between Cryptosporidium wrairi and C. parvum zoonotic genotype. Our findings confirm that the Cryptosporidium species responsible for abomasal cryptosporidiosis and economic losses in the cattle industry should be considered a distinct species, C. andersoni Lindsay, Upton, Owens, Morgan, Mead, and Blagburn, 2000.

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