ArticleCurrent biology : CB2024
Wind gates olfaction-driven search states in free flight.
Article in Current biology : CB, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed.
- Article
- Sexually Dimorphic Visual Processing in the Yellow-Fever Mosquito,bioRxiv : the preprint server for biology · 2026Article
- Central complex representations of self-movement are sufficient to compute wind direction in flight.Science advances · 2026Article
- Odor tracking in flyingProceedings of the National Academy of Sciences of the United States of America · 2026Article
- Drosophila melanogaster Fly Odors Alone are not Sufficient to Attract other Flies.Journal of chemical ecology · 2026Article
- Article
- Ballistic food approaches inbioRxiv : the preprint server for biology · 2026Article
- Wind history shapes olfactory search response in free flyingbioRxiv : the preprint server for biology · 2026Article
- Odor tracking in flyingbioRxiv : the preprint server for biology · 2026Article
- Article
- An integrated anatomical, functional and evolutionary view of the Drosophila olfactory system.EMBO reports · 2025Article
- Inhibitory control explains locomotor statistics in walkingProceedings of the National Academy of Sciences of the United States of America · 2025Article
- The fruit fly,Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Article
- An integrated anatomical, functional and evolutionary view of thebioRxiv : the preprint server for biology · 2025Article
- Inhibitory control of locomotor statistics in walkingbioRxiv : the preprint server for biology · 2024Article
- Article
- Article
- Insect Flight: State of the Field and Future Directions.Integrative and comparative biology · 2024Article
- Dynamics of odor-source localization: Insights from real-time odor plume recordings and head-motion tracking in freely moving mice.bioRxiv : the preprint server for biology · 2024Article
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Abstract
For organisms tracking a chemical cue to its source, the motion of their surrounding fluid provides crucial information for success. Swimming and flying animals engaged in olfaction-driven search often start by turning into the direction of an oncoming wind or water current. However, it is unclear how organisms adjust their strategies when directional cues are absent or unreliable, as is often the case in nature. Here, we use the genetic toolkit of Drosophila melanogaster to develop an optogenetic paradigm to deliver temporally precise "virtual" olfactory experiences for free-flying animals in either laminar wind or still air. We first confirm that in laminar wind flies turn upwind. Furthermore, we show that they achieve this using a rapid (∼100 ms) turn, implying that flies estimate the ambient wind direction prior to "surging" upwind. In still air, flies adopt a remarkably stereotyped "sink and circle" search state characterized by ∼60° turns at 3-4 Hz, biased in a consistent direction. Together, our results show that Drosophila melanogaster assesses the presence and direction of ambient wind prior to deploying a distinct search strategy. In both laminar wind and still air, immediately after odor onset, flies decelerate and often perform a rapid turn. Both maneuvers are consistent with predictions from recent control theoretic analyses for how insects may estimate properties of wind while in flight. We suggest that flies may use their deceleration and "anemometric" turn as active sensing maneuvers to rapidly gauge properties of their wind environment before initiating a proximal or upwind search routine.
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