Abstract:
:Natural selection favours a restricted host breadth in disease vector mosquitoes, indicating that there is an adaptive value associated with maintaining plasticity in host preference. One mechanism to maintain such plasticity is via the detection of generic cues by conserved peripheral olfactory pathways, which when perceived in different host odour contexts enable the identification of and discrimination among potential host species. Here, we show that the context of an odour cue shapes host perception in mosquitoes, by altering the release rate of the generic host-related volatile (R)-1-octen-3-ol, within its natural range, and in the background odour of known hosts and non-hosts. This result highlights that host recognition is contextual and dependent on quantitative and qualitative differences in odour blends and the olfactory codes evoked. From the perspective of vector management, understanding the perception of odour blends and their context is essential to the process of developing synthetic blends for the optimal attraction of mosquitoes in efforts to control and monitor populations.
journal_name
R Soc Open Scijournal_title
Royal Society open scienceauthors
Majeed S,Hill SR,Birgersson G,Ignell Rdoi
10.1098/rsos.160467subject
Has Abstractpub_date
2016-11-09 00:00:00pages
160467issue
11issn
2054-5703pii
rsos160467journal_volume
3pub_type
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