Morphological and Molecular Survey of Naegleria spp. in Water Bodies Used for Recreational Purposes in Rasht city, Northern Iran
-
Maryam NIYYATI
,
Zohreh LASJERDI
,
Saeed ZAREIN-DOLAB
,
Mahdieh NAZAR
,
Hamed BEHNIAFAR
,
Mohammad Reza MAHMOUDI
,
Ehsan NAZEMALHOSSEINI MOJARAD
Abstract
Background: Naegleria spp. is a free-living amoeba of which some species including N. fowleri and N. australeinsis are highly pathogenic in human and animals. These widespread amoebae could be found in different environmental sources particularly in aquatic resources of tropical and subtropical regions. The most important source of infection is via recreational water contact. Due to the lack of thorough research regarding species of Naegleria spp. in aquatic sources, the present study was conducted.
Methods: In the present study, 60 samples were collected from recreational water resources of Rasht city, Guilan province, north of Iran. After filtering and culturing the samples, plates were examined by microscopic method and according to the page criteria. DNA of vahlkampfiid-positive samples were then extracted using phenol-chlorophorm method. Amoebae genus was identified by targeting the ITS-region and sequencing based-approaches.
Results: Nine (15%) samples out of a 60 total samples were positive for Naegleria spp. of which seven belonged to potentially pathogenic N. australiensis. Two other strains were belonged to non-pathogenic N. pagei.
Conclusion: The present research was the first report of occurrence of N. australiensis and N. pagei in Rasht city, north Iran. This study reflects the occurrence of Naegleria spp. in water sources of Guilan Province, Iran.Schuster FL, Visvesvara GS. Free-living amoebae as opportunistic and non-opportu-nistic pathogens of humans and animals. Int J Parasitol. 2004;34(9):1001-1027.
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| Issue | Vol 10 No 4 (2015) | |
| Section | Original Article(s) | |
| Keywords | ||
| Naegleria Iran Water | ||
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