Prevalence and phylogeography of Taenia hydatigena metacestodes from goats of India.

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Tytuł:: Prevalence and phylogeography of Taenia hydatigena metacestodes from goats of India.
Autorzy:: Moudgil AD; Department of Veterinary Parasitology, College of Veterinary Sciences, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana 125004, India.
Nehra AK; Department of Veterinary Parasitology, College of Veterinary Sciences, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana 125004, India.
Vohra S; Department of Veterinary Parasitology, College of Veterinary Sciences, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana 125004, India.
Thakur SD; Department of Veterinary Public Health and Epidemiology, DGCN College of Veterinary and Animal Sciences, CSK Himachal Pradesh Krishi Vishwavidyalaya, Palampur, H.P. 176062, India.
Sharma D; Department of Veterinary Pharmacology, DGCN College of Veterinary and Animal Sciences, CSK Himachal Pradesh Krishi Vishwavidyalaya, Palampur, H.P. 176062, India.
Źródło:: Parasitology [Parasitology] 2022 Aug; Vol. 149 (9), pp. 1193-1198. Date of Electronic Publication: 2022 May 16.
Typ publikacji:: Journal Article
Język:: English
Imprint Name(s):: Original Publication: London, New York, Cambridge University Press.
MeSH Terms:: Cysticercosis*/veterinary
Sheep Diseases*/epidemiology
Taenia*/genetics
Animals ; Dogs ; Genetic Variation ; Goats ; Phylogeny ; Phylogeography ; Prevalence ; Sheep ; Swine
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Contributed Indexing:: Keywords: Cysticercus tenuicollis; cytochrome c oxidase subunit 1 gene; genetic variation; phylogeography
Entry Date(s):: Date Created: 20220516 Date Completed: 20220713 Latest Revision: 20240414
Update Code:: 20240414
PubMed Central ID:: PMC11010500
DOI:: 10.1017/S0031182022000713
PMID:: 35570666
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The study determined the prevalence and genetic population structure relationships of Cysticercus tenuicollis ( Taenia hydatigena metacestode) retrieved from the goats slaughtered in north India. An overall prevalence of 9.62% (59/613) was recorded. Genetic population structure relationships were assessed by targeting partial cytochrome c oxidase subunit 1 mitochondrial gene sequence. Phylogenetic tree analysis revealed that all the present study representative isolates ( n = 7) formed a major clade and grouped with T. hydatigena isolates retrieved from sheep, goats, pigs and dogs, originating from China, Iran, Nigeria, Ghana and Poland. However, a single isolate from Himachal Pradesh (isolate 3) formed a subgroup within the clade. The neutrality and diversity indices revealed high values of haplotype diversity [Hd = 0.99695 (0.95238–1.0000)] and low nucleotide diversity ( π = 0.49276), which was indicative of demographic expansion and low gene flow, suggesting that Indian T. hydatigena isolates were not genetically differentiated. Tajima's D (−1.26988) and Fu and Li's D statistics values (−0.74556) were negative, demonstrating deviations from neutrality and both propounded recent population expansion or purifying selection. Results highlighted a low genetic diversity of T. hydatigena metacestodes across the geographical range of north India.

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