Argas persicus and Carios vespertilionis Ticks Infesting Ducks, Domestic Fowls and Bats in Pakistan: First Report on Molecular Survey and Phylogenetic Position of Borrelia anserina

doi:10.3390/vetsci10100628

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標題:	Argas persicus and Carios vespertilionis Ticks Infesting Ducks, Domestic Fowls and Bats in Pakistan: First Report on Molecular Survey and Phylogenetic Position of Borrelia anserina
作者:	Zahid, Hafsa Alouffi, Abdulaziz Almutairi, Mashal M. Ateeq, Muhammad Tanaka, Tetsuya Chang, Shun-Chung Chen, Chien-Chin Ali, Abid
貢獻者:	Abdul Wali Khan Univ Mardan, Dept Zool King Abdulaziz City Sci & Technol King Saud Univ, Coll Pharm, Dept Pharmacol & Toxicol Abdul Wali Khan Univ Mardan, Dept Chem Kagoshima Univ, Joint Fac Vet Med, Lab Infect Dis Yi Christian Hosp, Ditmanson Med Fdn Chia, Dept Emergency Med Chia Yi Christian Hosp, Ditmanson Med Fdn, Dept Radiol Chia Nan Univ Pharm & Sci, Dept Cosmet Sci Natl Chung Hsing Univ, Rong Hsing Res Ctr Translat Med, Ph D Program Translat Med Natl Cheng Kung Univ, Coll Biosci & Biotechnol, Dept Biotechnol & Bioind Sci
關鍵字:	Borrelia anserina Argas persicus domestic fowls duck relapsing fever Pakistan
日期:	2023
上傳時間:	2024-12-25 11:03:45 (UTC+8)
出版者:	MDPI
摘要:	Simple Summary: Soft ticks are well-known for vectoring several disease-causing pathogens that are distributed throughout the world. Surveillance of disease-causing agents associated with these ticks is important to avoid any zoonotic consequences. This study reported the epidemiology and molecular characterization of Borrelia anserina in Argas persicus collected from domestic fowls, ducks and their shelters and Carios vespertilionis ticks infesting bats in Khyber Pakhtunkhwa (KP), Pakistan. In the phylogenetic tree, the obtained sequences of A. persicus and C. vespertilionis clustered with the sequences from Pakistan and neighboring countries, while the Borrelial flaB sequence revealed its relationship with the corresponding species belonging to the relapsing fever group. Further studies are encouraged to screen soft ticks for pathogens that affect public and veterinary health. Argasid ticks have the vectorial potential for transmitting disease-causing pathogens to avian hosts, resulting in economic losses that may not be fully estimated. Borrelia species are the responsible agents of borreliosis in poultry, animals and humans. Our previous studies have reported a high prevalence of Argas persicus infesting domestic fowls in Khyber Pakhtunkhwa (KP), Pakistan. However, molecular screening and genetic characterization of Borrelia spp. in A. persicus have been neglected in Pakistan. In this study, we focused on the molecular epidemiology and genetic characterization of Borrelia spp. associated with A. persicus ticks infesting domestic fowls and ducks, and Carios vespertilionis infesting bats in selected districts of KP. Overall, 1818 ticks, including females (415; 23%), males (345; 19%), nymphs (475; 26%) and larvae (583; 32%), were collected from 27 locations in nine districts (Peshawar, Mardan, Swabi, Charsadda, Chitral, Lakki Marwat, Bannu, Bajaur and Hangu) from domestic fowls, ducks and their shelters, and bats. A subset of 197 ticks was selected for DNA extraction and PCR to amplify fragments of the cytochrome c oxidase (cox) gene for ticks and flagellin B (flaB) for the detection and genetic characterization of associated Borrelia spp. Among these, only Borrelia anserina DNA was detected in 40 ticks (27.2%) of different life stages, where highest prevalence was found in female ticks (18; 45%), followed by nymphs (12; 30%), larvae (7; 17.5%) and males (3; 7.5%). Tick infestation in shelters (1081; 77%) was higher than on hosts (323; 23%). The resultant cox amplicons of A. persicus showed 100% identity with the same species reported from Pakistan, China, Iran, Kenya, Kazakhstan, Algeria and Egypt and C. vespertilionis show 100% identity with the species reported from Pakistan, China, Japan, Kenya, Vietnam, Spain, Netherlands, the United Kingdom and Hungry, and clustered with the aforementioned species in the phylogenetic tree. The obtained Borrelia sequences showed 100% identity with B. anserina and revealed a close resemblance to the relapsing fever group and clustered in a monophyletic clade with B. anserina from India, Iran and Brazil in a phylogenetic tree. These results establish the first molecular characterization of B. anserina in A. persicus infesting domestic fowls and ducks in the region, as well as their shelters. To effectively control zoonotic consequences, country-wide surveillance research should be encouraged to screen soft ticks infesting various birds for associated pathogens.
關聯:	Veterinary Sciences, v.10, n.10, Article 628
显示于类别:	[化妝品應用與管理系(所)] 期刊論文

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