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Detection and perception of generic host volatiles by mosquitoes: responses to CO2 constrains host-seeking behaviour

Majeed, Shahid and Hill, Sharon and Dekker, Teun and Ignell, Rickard (2017). Detection and perception of generic host volatiles by mosquitoes: responses to CO2 constrains host-seeking behaviour. Royal Society open science. 4, 1-9
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Abstract

Natural selection has favoured specialization in anthropophilic mosquito host choice, yet in the absence of human hosts, females feed on a selected range of vertebrates. For host recognition, we hypothesize that mosquitoes primarily rely on generic host volatiles. Detection and perception of such compounds would provide the mosquito with a flexible, yet constrained, odour coding system that could delineate host preference. In this study, we show that the quintessential generic volatile for host-seeking, carbon dioxide, activates and attracts the malaria mosquito, Anopheles coluzzii, and the arbovirus vectors, Aedes aegypti and Culex quinquefasciatus, within boundaries set by the dynamic range and coding capacity of the CO2-sensitive olfactory receptor neurons. These boundaries are sufficiently broad to elicit behavioural responses to various hosts within their preferred host range. This study highlights the significance of the sensitivity of the carbon dioxide detection system and its regulation of host seeking and recognition.

Authors/Creators:Majeed, Shahid and Hill, Sharon and Dekker, Teun and Ignell, Rickard
Title:Detection and perception of generic host volatiles by mosquitoes: responses to CO2 constrains host-seeking behaviour
Series/Journal:Royal Society open science (BIB7143343)
Year of publishing :2017
Volume:4
Page range:1-9
Number of Pages:9
Publisher:The Royal Society
ISSN:2054-5703
Language:English
Publication Type:Journal article
Refereed:Yes
Article category:Scientific peer reviewed
Version:Published version
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Behavioural Sciences Biology
(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Zoology
(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
Agrovoc terms:Culicidae, host parasite relations, olfaction, carbon dioxide
Keywords:carbon dioxide, behaviour, electrophysiology, host recognition, mosquitos
URN:NBN:urn:nbn:se:slu:epsilon-e-4410
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-e-4410
Additional ID:
Type of IDID
DOI10.1098/rsos.170189
Web of Science (WoS)000402541800045
ID Code:14627
Faculty:LTV - Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap
Department:(LTJ, LTV) > Department of Plant Protection Biology
Deposited By: SLUpub Connector
Deposited On:16 Oct 2017 08:51
Metadata Last Modified:16 Oct 2017 08:51

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