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Home / Publications / Molecular characterisation of Cryptosporidium (Apicomplexa) in children and cattle in Romania

Molecular characterisation of Cryptosporidium (Apicomplexa) in children and cattle in Romania

  • Authors: Darabus G, Imre K, Lobo ML, Matos O, Mederle N, Mederle O, Vieira PM, Xiao L
  • Publication Year: 2015
  • Journal: Folia Parasitologica
  • Link: http://folia.paru.cas.cz/artkey/fol-201501-0002_molecular_characterisation_of_cryptosporidium_apicomplexa_in_children_and_cattle_in_romania.php

To investigate the transmission of species of Cryptosporidium Tyzzer, 1907 in Timis County, Romania, 48 isolates of Cryptosporidium coccidia from 11 children, 29 calves and eight pigs were characterised by molecular analysis of two loci (SSU rRNA and 60-kDa glycoprotein gene). Overall, 22 isolates were amplified and sequence analyses revealed that all isolates were Cryptosporidium parvum Tyzzer, 1912. Two subtype families were identified, IIa and IId. Subtype IIdA22G1 (n = 4) was the single C. parvum subtype found in children. Subtypes found in calves included IIdA27G1 (n = 8), a novel subtype, IIdA25G1 (n = 5), IIdA22G1 (n = 2), IIdA21G1a (n = 1), and IIaA16G1R1 (n = 1). Subtype IIdA26G1 was found in a pig. These results were significantly different from previous Romanian reports, as the five subtypes of family IId identified in this study were never identified previously in this country. Thus, cattle may be a source of Cryptosporidium infections for humans and the transmission dynamics of C. parvum in Romania is more complex than previously believed.

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About GHTM

GHTM is a R&D Unit that brings together researchers with a track record in Tropical Medicine and International & Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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