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Genotypic Detection of Fish-Borne Zoonotic Trematodes Using the Hotshot DNA Extraction Method

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Last updated: 23 Dec 2024

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Abstract

Efficient DNA extraction is a keystone in molecular assays. A wide range of methods is used to extract DNA from biological materials. These methods vary in their efficiency, economic costs, and availability. Therefore, the present study was conducted to assess the efficiency of a Hotshot method for DNA extraction from minute fish trematodes in comparison to a commercial kit. A total of 68 samples were examined. Samples included 29 encysted metacercariae from the African catfish(Clarias gariepinus) collected from the Nile tributaries in Ismailia Governorate, and 39 adult trematodes collected from rats after being experimentally infected with encysted metacercariae from fish samples.  Helminths were morphologically identified where they belonged to family Cyathocotylidae, species Mesostephanus burmanicus, Prohemistomum vivax, and Mesostephanus appendiculatus. The DNA yield by the Hotshot method was compared to the commercial kit. The hotshot method produced 28% higher DNA yield per sample (mean ± SE: 2.65 ± 0.83 µg) than the commercial kit (2.07 ± 0.16 µg), but the difference was not significant (Mann-Whitney U test, P>0.05). PCR amplification success of the internal transcribed spacer 2 (ITS-2) was also higher for trematode samples extracted by the Hotshot method than the commercial kit. Although the differences were not statistically significant, the Hotshot method is still rapid, cheap, and does not require special reagents or equipment for DNA extraction from minute helminths.

DOI

10.21608/ejabf.2021.161826

Keywords

Hotshot method, DNA extraction, trematodes, Molecular identification, morphological

Authors

First Name

Ahmed

Last Name

H. Elaswad

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First Name

Eman

Last Name

M. Abouelhassan

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First Name

Hanaa

Last Name

M. Fadel

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Volume

25

Article Issue

2

Related Issue

22958

Issue Date

2021-03-01

Receive Date

2021-04-07

Publish Date

2021-03-01

Page Start

205

Page End

214

Print ISSN

1110-6131

Online ISSN

2536-9814

Link

https://ejabf.journals.ekb.eg/article_161826.html

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https://ejabf.journals.ekb.eg/service?article_code=161826

Order

14

Type

Original Article

Type Code

103

Publication Type

Journal

Publication Title

Egyptian Journal of Aquatic Biology and Fisheries

Publication Link

https://ejabf.journals.ekb.eg/

MainTitle

Genotypic Detection of Fish-Borne Zoonotic Trematodes Using the Hotshot DNA Extraction Method

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Article

Created At

22 Jan 2023