Molecular Detection of Spotted Fever Group Rickettsia (Rickettsiales: Rickettsiaceae) in Ticks of Iran

AUTHORS

A. Hosseini-Chegeni 1 , 2 , M. Tavakoli 2 , Z. Telmadarraiy 3 , F. Faghihi 4 , 5 , *

1 Department of Plant Protection, Faculty of Agriculture, Lorestan University, Khorramabad, Iran

2 Agricultural Research, Education and Extension Organization (AREEO), Lorestan Agricultural and Natural Resources Research Center, Khorramabad, Iran

3 Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

4 Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran

5 Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran

How to Cite: Hosseini-Chegeni A, Tavakoli M, Telmadarraiy Z, Faghihi F. Molecular Detection of Spotted Fever Group Rickettsia (Rickettsiales: Rickettsiaceae) in Ticks of Iran, Arch Razi Inst. 2020 ; 75(3):e109637. doi: 10.22092/ari.2019.125746.1317.

ARTICLE INFORMATION

Archives of Razi Institute: 75 (3); 317-325
Published Online: October 01, 2020
Article Type: Research Article
Received: March 28, 2019
Accepted: July 27, 2019
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Abstract

Ticks are reservoir hosts of pathogenic Rickettsia in humans and domestic animals. Most pathogenic Rickettsia species belong to the spotted fever group (SFG). The present study aimed to determine the tick species infected with Rickettsia based on the genus-specific 23S ribosomal ribonucleic acid (rRNA), 16S rRNA, and citrate synthase (gltA) gene fragments. A total of 61 tick specimens were selected for molecular assay and 12 samples for sequencing. Phylogenetic analysis was conducted using neighbor-joining and Bayesian inference methods. Argas persicusHaemaphysalis sulcataHa. inermis, and Hyalomma asiaticum were infected by spotted fever Rickettsia. The SFG is the main group of Rickettsia that can be detected in the three genera of ticks from Iran.

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© 2020, Author(s). Razi Vaccine and Serum Research Institute.
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