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Veterinary Research Forum، جلد ۱۶، شماره ۱۰، صفحات ۵۵۷-۵۶۴
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عنوان انگلیسی Complete mitochondrial genome sequence of Dermacentor marginatus (Acari: Ixodidae) isolated on Hainan Island, China: molecular characterization and phylogenetic implications
چکیده انگلیسی مقاله The complete mitochondrial genome sequence of Dermacentor marginatus isolated from Hainan Island, a tropical island in China, has recently been elucidated. This ornate sheep tick is a three-host species, meaning it requires feeding on different hosts throughout its larval, nymph, and adult stages. This broad host range contributes significantly to its role in the transmission of various pathogens including spotted fever group rickettsia. The mitochondrial genome of D. marginatus was sequenced and found to be a circular, double-stranded DNA molecule with a total length of 15,005 bp. The genome exhibited a guanine and cytosine (GC) content of 21.23%, reflecting its unique genetic composition. Annotation of the genome revealed the presence of 37 genes, comprising 22 tRNA genes, 13 mRNA genes as protein-coding genes, (PCGs) and two rRNA genes. Phylogenetic analysis placed D. marginatus closest to D. silvarum from Heilongjiang province in China, clustering with D. sinicus from Hubei province in China. D. marginatus also exhibited proximity to D. species from China and other countries forming a distinct cluster. The availability of the complete mitochondrial genome sequence of D. marginatus marked a notable advancement in deciphering the genetic diversity and evolutionary path of this tick species. The study concentrated on the mitochondrial genome of D. marginatus from Hainan Island, examining its genetic and phylogenetic features, and assessing genomic variations that may influence mitochondrial function and tropical adaptation. The investigation into the genetic adaptations of D. marginatus to its tropical niche yielded vital information for forecasting how tick populations may react to changes in climate and diverse environmental conditions.
کلیدواژه‌های انگلیسی مقاله Dermacentor marginatus,Genetics,Mitochondrial Genome,phylogeny,variation
نویسندگان مقاله Xingzhi Feng |
NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, China

Yijia Xu |
NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, China

Qianfeng Xia |
NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, China

Yajun Lu |
NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, China

نشانی اینترنتی https://vrf.iranjournals.ir/article_729410_417f06d03f4ec776aa359d07f7387ada.pdf
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