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Chemical cues in disease recognition and their immunomodulatory role in insects

Milutinović, Barbara; Schmitt, Thomas (2022) Chemical cues in disease recognition and their immunomodulatory role in insects. Current Opinion in Insect Science, 50 (100884). ISSN 2214-5745

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Preventing infections is crucial for host fitness and many insects modify their behaviour upon sensing contagion in the environment. We review chemical cues that mediate insect behaviour in response to parasites. Considering the large diversity of behavioural disease defences described, surprisingly little is known about disease-associated cues that mediate such responses, especially their mechanistic receptor and neuronal details. Interestingly, olfaction does not only influence host behaviour, but it could play a direct role in immune system activation via neuroendocrine regulation, bypassing the need for the risky immunological contact with the parasite. We believe such crosstalk is an exciting emerging research area in insect ecological immunology that should prove invaluable in studying host-parasite interactions by combining analytical methods from chemical ecology.

Item Type: Article
Uncontrolled Keywords: host-parasite interactions, sickness cues, disease recognition, volatile organic compounds (VOCs); cuticular hydrocarbons (CHCs); behavioural defence; chemical cue-immunity crosstalk; neuroendocrine immunomodulation
Subjects: NATURAL SCIENCES > Chemistry
NATURAL SCIENCES > Biology > Ecology
Divisions: Division of Molecular Biology
Project titleProject leaderProject codeProject type
Disease defence in groups: the role of relatedness, risk and pathogen type-diseaseINgroupsTomislav Domazet-Lošo101032899EK
Depositing User: Barbara Milutinović
Date Deposited: 10 Mar 2022 13:40
DOI: 10.1016/j.cois.2022.100884

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