期刊
ANIMAL BIOTECHNOLOGY
卷 33, 期 6, 页码 1229-1234出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10495398.2021.1885427
关键词
Hyalomma anatolicum; semi engorged ticks; Tams1; theileriosis
This study investigated the prevalence of Theileria annulata in ticks collected from coastal districts of Odisha, India. The overall prevalence of the parasite in tick vectors was 14.6%, with significantly higher detection rates in female ticks compared to male ticks. This is the first report of detection of the parasite in tick vectors in Odisha.
Ticks are economically important obligatory blood feeding arthropods that have a pivotal role in transmission of infection. The present study was conducted in ixodid ticks collected from four districts of coastal Odisha, India to investigate the prevalence of Theileria annulata. Adult semi engorged Hyalomma anatolicum ticks (n = 178) were dissected, the salivary gland was isolated and DNA was extracted. A nested PCR targeting the Tams1 gene of T. annulata, utilizing two sets of primers (N516F, N517R, and Ta14136iF, Ta249R) was utilized for detection of the parasite. The PCR products were then sequenced and subjected to BLAST analysis, alignment, and phylogenetic study. Two sequences deposited in GenBank were assigned Accession No MH477290.1 and Accession No MH477291.1. The molecular investigation of T. annulata revealed an overall prevalence of 14.6% in tick vectors, and nested PCR was found to have significant (p < 0.05) higher results than primary PCR. A significant higher presence (p < 0.05) was recorded in female ticks compared with male ticks. This is the first report of detection of the parasite in tick vectors in the state of Odisha.
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