New records of Ornithodoros turicata (Ixodida: Argasidae) in rural and urban sites in the Mexican states of Aguascalientes and Zacatecas indicate the potential for tick-borne relapsing fever

Vázquez-Guerrero, Edwin; González-Quiroz, José Luis; Domínguez-López, María Lilia; Kneubehl, Alexander R.; Krishnavajhala, Aparna; Curtis, Michael W.; Ponce‐Mendoza, Alejandro; Santos, Paulina Estrada‐de los; López, Job E.; Ibarra, J. Antonio

doi:10.1007/s10493-023-00830-2

Cited by 3 publications

(4 citation statements)

References 23 publications

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“…New regions of northern Mexico were predicted to have habitat for O. turicata ticks, but there was low probability of suitable habitat in other areas of the country. However, in addition to collecting ticks from Camayeca, Mexico, we also have recovered O. turicata ticks from the city of Aguascalientes, Mexico ( Figure 1 , panel A) ( 15 ). The 2 cities are >1,000 km apart.…”

Section: Discussionmentioning

confidence: 99%

Borrelia turicatae from Ticks in Peridomestic Setting, Camayeca, Mexico

Vázquez-Guerrero,

Kneubehl,

Pellegrini-Hernández

et al. 2024

Emerg. Infect. Dis.

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Section: Discussionmentioning

confidence: 99%

Borrelia turicatae from Ticks in Peridomestic Setting, Camayeca, Mexico

Vázquez-Guerrero,

Kneubehl,

Pellegrini-Hernández

et al. 2024

Emerg. Infect. Dis.

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“…In January 2023, argasid ticks were collected from a small park in the Ciudad Caucel neighborhood in Merida city (latitude 20.985954, longitude -89.695441), the capital of Yucatan (Fig 1A). Opossum (Didelphis virginiana) were sighted in the neighborhood and four of their burrows were sampled using an aspirator or dry ice as a source of carbon dioxide to bait ticks, as previously described [12] (Fig 1B , 1C). Collected samples were placed in 50-ml ventilated centrifuge tubes and ticks from each burrow were kept separated.…”

Section: Sampling Sitesmentioning

confidence: 99%

“…All animal procedures were approved by our Institutional Animal Care and Use Committee (CEI-ENCB protocol # ZOO-001-2022e1) To determine whether the collected ticks were infected by Borrelia spp. a mouse model was used as described previously with modifications [12]. Ticks were groups in pools and fed on one of three different mouse strains (DBA/2J, C57BL/c or BALB/c) depending on the availability at the Instituto Politécnico Nacional.…”

Section: Animal Modelmentioning

confidence: 99%

Isolation ofBorrelia puertoricensisfrom ticks collected in Merida, Yucatan, Mexico

Vázquez-Guerrero,

Kneubehl,

Reyes-Solís

et al. 2024

Preprint

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Isolation of tick-borne relapsing fever (TBRF) spirochetes has proven to be a useful tool to understand their distribution by geographic areas where the tick vectors inhabit. However, their isolation and culture are not easy and in general an animal model is needed to achieve this task. Here, argasid ticks were collected from a neighborhood in Ciudad Caucel, Merida, Mexico, andBorrelia puertoricensiswas isolated with an immunosuppressed mouse model. By using this model, a higher number of spirochetes were observed in blood samples, and these were successfully cultivated in Barbour-Stoenner-Kelly (BSK)-IIB media. Genomic analyses confirmed that the isolate to beB. puertoricensis. The present report shows that this spirochete is present in argasid ticks in Ciudad Caucel and presents a potential medical and veterinary health risk.Author SummaryRelapsing fever is a neglected disease caused by spirochetes bacteria of theBorreliaand genus that are different than those in the Lyme disease group. These bacteria are transmitted mostly byOrnithodoros(Alectorobious) soft ticks. In many countries, including Mexico,Ornithodorosspecies are understudied and often misidentified. In this report we obtained an isolate ofBorrelia puertoricensisfrom ticks captured in a small park in the city of Merida, Yucatan. These results emphasize the need for fine-scale vector surveillance in neighborhoods to determine the abundance ofBorreliaspecies, and to define their impact on humans and domestic and wild animals.

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“…The genus Ornithodoros is recognized as the most diverse among soft ticks, comprising approximately 130 species ( 9 – 11 ). They have been documented on a wide variety of hosts, including amphibians, birds, mammals, and reptiles ( 12 – 16 ).…”

Section: Introductionmentioning

confidence: 99%

First record of Alectorobius coniceps (Ixodoidea: Argasidae) and Dermacentor sp. (Ixodoidea: Ixodidae) in Pakistan

Ali,

Khan,

Ullah

et al. 2024

Front. Vet. Sci.

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Alectorobius species are soft ticks primarily infesting birds, such as swallows, while Dermacentor species are hard ticks mainly infesting mammals, such as small ruminants. This study for the first time reported on the morphological and molecular bases of two tick species, namely A. coniceps and a Dermacentor sp. in Pakistan. The former species was examined in swallows’ nests in Khyber Pakhtunkhwa province, while the latter species was examined in small ruminants in Balochistan province. In total, 25 ticks were collected, with 14 ticks morphologically identified as A. coniceps (males = 9 and females = 5) and 11 ticks identified as Dermacentor sp. (males = 7 and females = 4). Following morphological identification, molecular identification was gained by obtaining 16S rDNA and cox1 sequences for these ticks. The BLAST results for the 16S rDNA and cox1 sequences from A. coniceps shared a maximum identity of 97.46% and 96.49% with the same species from Malta. The BLAST analysis of the 16S rDNA and cox1 sequences from Dermacentor sp. showed maximum identities of 98.42% and 97.45% with Dermacentor pavlovskyi from China. The phylogenetic analysis based on 16S rDNA and cox1 of A. coniceps showed a close evolutionary relationship with the same species. The case of Dermacentor sp., based on 16S DNA and cox1, indicated a close evolutionary relationship with Dermacentor pavlovskyi from China.

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New records of Ornithodoros turicata (Ixodida: Argasidae) in rural and urban sites in the Mexican states of Aguascalientes and Zacatecas indicate the potential for tick-borne relapsing fever

Cited by 3 publications

References 23 publications

Borrelia turicatae from Ticks in Peridomestic Setting, Camayeca, Mexico

Borrelia turicatae from Ticks in Peridomestic Setting, Camayeca, Mexico

Isolation ofBorrelia puertoricensisfrom ticks collected in Merida, Yucatan, Mexico

First record of Alectorobius coniceps (Ixodoidea: Argasidae) and Dermacentor sp. (Ixodoidea: Ixodidae) in Pakistan

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