Publication Date

9-1-2023

Journal

Experimental and Applied Acarology

DOI

10.1007/s10493-023-00830-2

PMID

37584844

PMCID

PMC11559448

PubMedCentral® Posted Date

11-13-2024

PubMedCentral® Full Text Version

Author MSS

Published Open-Access

yes

Keywords

Humans, Animals, Ornithodoros, Argasidae, Relapsing Fever, Borrelia, Animals, Domestic, Soft ticks, Acari vector, Tick localization, Tick borne relapsing fever

Abstract

Soft ticks from the Ornithodoros genus are vectors of relapsing fever (RF) spirochetes around the world. In Mexico, they were originally described in the 19th century. However, few recent surveillance studies have been conducted in Mexico, and regions where RF spirochetes circulate remain vague. Here, the presence of soft ticks in populated areas was assessed in two sites from the Mexican states of Aguascalientes and Zacatecas. Argasidae ticks were collected, identified by morphology and mitochondrial 16S rDNA gene sequencing, and tested for RF borreliae. The specimens in both sites were identified as Ornithodoros turicata but no RF spirochetes were detected. These findings emphasize the need to update the distribution of these ticks in multiple regions of Mexico and to determine the circulation of RF borreliosis in humans and domestic animals.

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