ArticleMemorias do Instituto Oswaldo Cruz2016
Genetic diversity of Cryptosporidium identified in clinical samples from cities in Brazil and Argentina.
Article in Memorias do Instituto Oswaldo Cruz, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 3 of them syntheses that pooled it.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
22 citing papers in PubMed, 3 syntheses or guidelines pooled it, 36 citations in OpenAlex.
- Pooled it
- Prevalence of human cryptosporidiosis in the Americas: systematic review and meta-analysis.Revista do Instituto de Medicina Tropical de Sao Paulo · 2022Pooled it
- Anthroponotic transmission of Cryptosporidium parvum predominates in countries with poorer sanitation: a systematic review and meta-analysis.Parasites & vectors · 2019Pooled it
- Examination of ELISA against PCR for assessing treatment efficacy against Cryptosporidium in a clinical trial context.PloS one · 2023Trial
- Epidemiology of Human Cryptosporidiosis in Brazil: A Systematic Review HighlightingTropical medicine and infectious disease · 2025Review
- Molecular and Epidemiological Investigation ofPathogens (Basel, Switzerland) · 2025Article
- Prevalence and Molecular Characterization ofPathogens (Basel, Switzerland) · 2025Article
- Cryptosporidiosis in a Zoonotic Gastrointestinal Disorder Perspective: Present Status, Risk Factors, Pathophysiology, and Treatment, Particularly in Immunocompromised Patients.Journal of tropical medicine · 2024Review
- Changing Molecular Profiles of Human Cryptosporidiosis Cases in Scotland as a Result of the Coronavirus Disease, COVID-19 Pandemic.British journal of biomedical science · 2023Article
- Cryptosporidiosis outbreak in Amazonia, French Guiana, 2018.PLoS neglected tropical diseases · 2022Article
- Molecular characterization of Cryptosporidium spp. obtained from fecal samples of immunosuppressed patients from Brazil.Revista da Sociedade Brasileira de Medicina Tropical · 2022Article
- Intestinal apicomplexan parasitoses among a hospital-based population in Honduras, 2013-2019.Biomedica : revista del Instituto Nacional de Salud · 2021Article
- Molecular Identification of Cryptosporidium viatorum Infection in a Patient Suffering from Unusual Cryptosporidiosis in West Bengal, India.The Korean journal of parasitology · 2021Article
- Molecular Epidemiology of Human Cryptosporidiosis in Low- and Middle-Income Countries.Clinical microbiology reviews · 2021Review
- Epidemiology of Cryptosporidiosis in France from 2017 to 2019.Microorganisms · 2020Article
- Enteric parasitic infections in children and dogs in resource-poor communities in northeastern Brazil: Identifying priority prevention and control areas.PLoS neglected tropical diseases · 2020Article
- Article
- Prevalence of Cryptosporidium parvum in dairy calves and GP60 subtyping of diarrheic calves in central Argentina.Parasitology research · 2019Article
- New insights into the detection and molecular characterization of Cryptosporidium with emphasis in Brazilian studies: a review.Revista do Instituto de Medicina Tropical de Sao Paulo · 2019Review
- Prevalence of Intestinal Parasitic Infection in Cancer, Organ Transplant and Primary Immunodeficiency Patients in Tehran, IranAsian Pacific journal of cancer prevention : APJCP · 2019Article
Corrections and comments
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Authors and funding
9 authors at 6 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The identification and characterisation of Cryptosporidium genotypes and subtypes are fundamental to the study of cryptosporidiosis epidemiology, aiding in prevention and control strategies. The objective was to determine the genetic diversity of Cryptosporidium in samples obtained from hospitals of Rio de Janeiro, Brazil, and Buenos Aires, Argentina. Samples were analysed by microscopy and TaqMan polymerase chain reaction (PCR) assays for Cryptosporidium detection, genotyped by nested-PCR-restriction fragment length polymorphism (RFLP) analysis of the 18S rRNA gene and subtyped by DNA sequencing of the gp60 gene. Among the 89 samples from Rio de Janeiro, Cryptosporidium spp were detected in 26 by microscopy/TaqMan PCR. In samples from Buenos Aires,Cryptosporidium was diagnosed in 15 patients of the 132 studied. The TaqMan PCR and the nested-PCR-RFLP detected Cryptosporidium parvum, Cryptosporidium hominis, and co-infections of both species. In Brazilian samples, the subtypes IbA10G2 and IIcA5G3 were observed. The subtypes found in Argentinean samples were IbA10G2, IaA10G1R4, IaA11G1R4, and IeA11G3T3, and mixed subtypes of Ia and IIa families were detected in the co-infections. C. hominis was the species more frequently detected, and subtype family Ib was reported in both countries. Subtype diversity was higher in Buenos Aires than in Rio de Janeiro and two new subtypes were described for the first time.
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