Ticks infest a variety of animal species and transmit pathogens causing disease in both humans and animals worldwide. Tick-host-pathogen interactions have evolved through dynamic processes that accommodated the genetic traits of the hosts, pathogens transmitted and the vector tick species that mediate their development and survival. New approaches for tick control are dependent on defining molecular interactions between hosts, ticks and pathogens to allow for discovery of key molecules that could be tested in vaccines or new generation therapeutics for intervention of tick-pathogen cycles. Currently, tick vaccines constitute an effective and environmentally sound approach for the control of ticks and the transmission of the associated tick-borne diseases. New candidate protective antigens will most likely be identified by focusing on proteins with relevant biological function in the feeding, reproduction, development, immune response, subversion of host immunity of the tick vector and/or molecules vital for pathogen infection and transmission. This review addresses different approaches and strategies used for the discovery of protective antigens, including focusing on relevant tick biological functions and proteins, reverse genetics, vaccinomics and tick protein evolution and interactomics. New and improved tick vaccines will most likely contain multiple antigens to control tick infestations and pathogen infection and transmission.

Centre for Comparative Genomics Murdoch University Perth WA Australia

Department of Genetics Faculty of Natural and Agricultural Sciences University of Pretoria Pretoria South Africa

Department of Veterinary Pathobiology Center for Veterinary Health Sciences Oklahoma State University Stillwater OK USA

Institute of Parasitology Biology Centre Czech Academy of Sciences Ceske Budejovice Czech Republic

Queensland Alliance for Agriculture and Food Innovation The University of Queensland St Lucia Qld Australia

SaBio Instituto de Investigación en Recursos Cinegéticos IREC Ciudad Real Spain

References provided by Crossref.org

Conformational transition of the Ixodes ricinus salivary serpin Iripin-4

The Central Role of Salivary Metalloproteases in Host Acquired Resistance to Tick Feeding

A Novel Combined Scientific and Artistic Approach for the Advanced Characterization of Interactomes: The Akirin/Subolesin Model

Anaplasma phagocytophilum MSP4 and HSP70 Proteins Are Involved in Interactions with Host Cells during Pathogen Infection

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