Tick humoral responses

Marching to the beat of a different drummer

Adela S.Oliva Chávez, Dana K. Shaw, Ulrike G Munderloh, Joao H.F. Pedra

Research output: Contribution to journalShort survey

9 Citations (Scopus)

Abstract

Ticks transmit a variety of human pathogens, including Borrelia burgdorferi, the etiological agent of Lyme disease. Multiple pathogens that are transmitted simultaneously, termed "coinfections," are of increasing importance and can affect disease outcome in a host. Arthropod immunity is central to pathogen acquisition and transmission by the tick. Pattern recognition receptors recognize pathogen-associated molecular patterns and induce humoral responses through the Toll and Immune Deficiency (IMD) pathways. Comparative analyses between insects and ticks reveal that while the Toll pathway is conserved, the IMD network exhibits a high degree of variability. This indicates that major differences in humoral immunity exist between insects and ticks. While many variables can affect immunity, one of the major forces that shape immune outcomes is the microbiota. In light of this, we discuss how the presence of commensal bacteria, symbionts and/or coinfections can lead to altered immune responses in the tick that impact pathogen persistence and subsequent transmission. By investigating non-insect arthropod immunity, we will not only better comprehend tick biology, but also unravel the intricate effects that pathogen coinfections have on vector competence and tick-borne disease transmission.

Original languageEnglish (US)
Article number223
JournalFrontiers in Microbiology
Volume8
Issue numberFEB
DOIs
StatePublished - Feb 14 2017

Fingerprint

Ticks
Coinfection
Immunity
Arthropods
Insects
Tick-Borne Diseases
Pattern Recognition Receptors
Borrelia burgdorferi
Infectious Disease Transmission
Lyme Disease
Microbiota
Humoral Immunity
Mental Competency
Bacteria

Keywords

  • Humoral immunity
  • Lyme disease
  • Tick-borne diseases
  • Ticks
  • Vector

Cite this

Tick humoral responses : Marching to the beat of a different drummer. / Chávez, Adela S.Oliva; Shaw, Dana K.; Munderloh, Ulrike G; Pedra, Joao H.F.

In: Frontiers in Microbiology, Vol. 8, No. FEB, 223, 14.02.2017.

Research output: Contribution to journalShort survey

Chávez, Adela S.Oliva ; Shaw, Dana K. ; Munderloh, Ulrike G ; Pedra, Joao H.F. / Tick humoral responses : Marching to the beat of a different drummer. In: Frontiers in Microbiology. 2017 ; Vol. 8, No. FEB.
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