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Updated: Aug 19, 2026

Tick Microbiome Characterization by Next-Generation 16S rRNA Amplicon Sequencing
Published on: August 25, 2018
[Ticks (Acarina: Ixodidae) as vectors and reservoirs of pathogen microorganisms in Spain]
Francisco José Márquez-Jiménez1, Antonio Hidalgo-Pontiveros, Francisco Contreras-Chova
1Departamento de Biología Animal, Biología Vegetal y Ecología, Facultad de Ciencias Experimentales, Universidad de Jaén, Campus Las Lagunillas s/n, 23071 Jaén, Spain. jmarquez@ujaen.es
Abstract:
Hard and soft-ticks are obligate haematophagous arachnids of medical and veterinary significance mainly because of the animal disease agents transmitted by them, which include an array of different pathogens (virus, bacteria, protozoa and nematodes). Ticks transmit microbes by several routes including salivary secretions, coxal fluids, regurgitation and faeces. Among the biological factors that contribute to the high vector potential of ticks are their living habits and characteristic properties of their saliva secretions and blood digestion. In the Iberian Peninsula, the prostriata tick Ixodes ricinus, and the metastriata Dermacentor marginatus, Rhipicephalus sanguineus and Hyalomma marginatum are the main species that could bite man, and are involved in the transmission of Borrelia burgdorferi sensu lato, several genoespecies of Rickettsia (R. conorii, R. slovaca, R. aeschlimannii) and Anaplasma phagocytophila.
Insights
Ticks are significant vectors of animal and human diseases, transmitting various pathogens like viruses and bacteria. Key Iberian tick species, including Ixodes ricinus and Rhipicephalus sanguineus, pose risks for diseases such as Lyme disease and rickettsiosis.
Area of Science:
- Arthropod-borne diseases
- Veterinary entomology
- Medical acarology
Context:
- Ticks are obligate blood-feeding arachnids crucial in transmitting pathogens.
- Their feeding habits, saliva, and digestion enhance disease transmission potential.
- Several tick species in the Iberian Peninsula are significant vectors.
Purpose:
- To highlight the medical and veterinary importance of ticks as disease vectors.
- To identify key tick species in the Iberian Peninsula and the pathogens they transmit.
Summary:
- Ticks transmit a wide range of pathogens (viruses, bacteria, protozoa, nematodes) through various routes.
- Biological factors like feeding behavior and saliva composition contribute to tick vector competence.
- Ixodes ricinus, Dermacentor marginatus, Rhipicephalus sanguineus, and Hyalomma marginatum are primary human-biting ticks in Iberia.
Impact:
- Understanding tick-borne diseases is vital for public health and animal welfare.
- Identification of specific tick vectors and pathogens aids in targeted disease prevention and control strategies.
- This knowledge is crucial for managing risks associated with Lyme disease, rickettsiosis, and anaplasmosis in the region.
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