Genotyping of Acantamoeba spp. from rhisophere in Hungary

Orosz, Erika and Posta, Katalin (2020) Genotyping of Acantamoeba spp. from rhisophere in Hungary. ACTA MICROBIOLOGICA ET IMMUNOLOGICA HUNGARICA, 67 (3). pp. 171-175. ISSN 1217-8950

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Abstract

The protista Acanthamoeba is a free-living amoeba existing in various environments. A number of species among protista are recognized as human pathogens, potentially causing Acanthamoeba keratitis (AK), granulomatous amoebic encephalitis (GAE), and chronic granulomatous lesions. In this study, 10 rhizosphere samples were collected from maize and alfalfa plants in experimental station at Institute of Genetics, Microbiology and Biotechnology, Szent Istvan University. We detected Acanthamoeba based on the quantitative real-time PCR assay and sequence analysis of the 18S rRNA gene. All studied molecular biological methods are suitable for the detection of Acanthamoeba infection in humans. The quantitative real-time PCR-based methods are more sensitive, simple, and easy to perform; moreover, these are opening avenue to detect the effect of number of parasites on human disease. Acanthamoeba species were detected in five (5/10; 50%) samples. All Acanthamoeba strains belonged to T4 genotype, the main AK-related genotype worldwide. Our result confirmed Acanthamoeba strains in rhizosphere that should be considered as a potential health risk associated with human activities in the environment.

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