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First molecular characterisation of Hydatigera taeniaeformis (Cestoda: Taeniidae) from Rattus rattus in urban market centres from Tamale, Ghana
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First molecular characterisation of Hydatigera taeniaeformis (Cestoda: Taeniidae) from Rattus rattus in urban market centres from Tamale, Ghana
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Journal Article
First molecular characterisation of Hydatigera taeniaeformis (Cestoda: Taeniidae) from Rattus rattus in urban market centres from Tamale, Ghana
2024
Overview
Background
The common cat tapeworm,
Hydatigera taeniaeformis
, is widely distributed across many regions of the world but its global genetic diversity, ecology, and other biological features are not fully understood. The predator-prey relationship of felids and rodents sustains the transmission in both sylvatic and synanthropic or urban settings. This study was carried out in three urban market centres in Tamale, Ghana to determine the prevalence of
H. taeniaeformis
infection in urban rats and characterise the local population genetics using the mitochondrial
nad1
gene sequences.
Methods
From January to May 2023, rats were captured and euthanized to identity and isolate the
H. taeniaeformis
metacestodes. The full mitochondrial nad1 gene was amplified, sequenced and used to characterise the cestode population.
Results
In total 64/80 rats from the three market centres were found naturally infected with metacestodes of
H. taeniaeformis
. Averagely, infected rats harboured two cysts with one exceptional case of 25 cysts in one liver. Each cyst harboured one metacestode. The DNA sequences revealed four haplotypes in a star-like distribution network across the three market centres. All four haplotypes were found to be unique, clustered with
H. taeniaeformis
sensu stricto (s.s.) global isolates and had only marginal variation among themselves.
Conclusion
This is the first account of the genetic variability within
H. taeniaeformis
in Ghana and would contribute to ongoing and future studies on African regional biogeographic distribution of the common cat tapeworm.
Publisher
BioMed Central,BioMed Central Ltd,Springer Nature B.V,BMC
Subject
/ Animals
/ Bats
/ Cats
/ Cestode Infections - epidemiology
/ Cestode Infections - parasitology
/ Cestode Infections - veterinary
/ Cysts
/ DNA
/ Ecology
/ Ethanol
/ Felidae
/ Food contamination & poisoning
/ Genes
/ Ghana
/ Liver
/ Male
/ markets
/ Medicine
/ Rats
/ Rodent Diseases - epidemiology
/ Rodent Diseases - parasitology
/ Tamale
/ Taxonomy
/ Veterinary Medicine/Veterinary Science
/ Veterinary public health and food security
/ Zoology
