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    Molecular identification and characterization of waterborne protozoa among stranded Dugong dugon

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    1-s2.0-S0025326X24014310-main.pdf (2.000Mb)
    Date
    2025
    Author
    Boughattas, Sonia
    Ben Ayed, Layla
    Mirjalali, Hamed
    Marangi, Marianna
    Albatesh, Dana
    ElGamal, Abdelrahman
    Al-Shaikh, Ismail
    Al-Neama, Nayla
    Althani, Asmaa A.
    Karanis, Panagiotis
    Benslimane, Fatiha M.
    ...show more authors ...show less authors
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    Abstract
    The Persian Gulf hosts the second-largest population of Dugongs. The International Union for the Conservation of Nature (IUCN) lists them as Vulnerable to Extinction species. Incidental fishing, vessel strikes, environmental pollution, habitat degradation, and infectious diseases currently threaten these sirenians. While research focused on the abovementioned threats, little is known about pathogen infections, particularly waterborne parasites. The current study aimed to investigate the prevalence of the waterborne parasites, namely Blastocystis, Cryptosporidium, Dientamoeba fragilis, Giardia duodenalis, and Toxoplasma gondii in the Qatar Dugongs population. Hence, twenty-three tissues from stranded Dugongs' carcasses were collected postmortem and subjected to DNA extraction and parasite qPCR screening. Only Blastocystis and Cryptosporidium species were detected in different tissues across the tested animals harboring genotypes ST1 and Cryptosporidium hominis IbA9G3, respectively, with the first-time report of Blastocystis sp. within sirenian hosts. Continuous monitoring should be provided to shed lights about the contamination sources of these endangered species and clarify the zoonotic potential transmission routes between wildlife and humans.
    DOI/handle
    http://dx.doi.org/10.1016/j.marpolbul.2024.117454
    http://hdl.handle.net/10576/63335
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    • Biomedical Sciences [‎802‎ items ]
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