Hot breath, quick exit: aphids flee mammalian heat via TRPA1

Bing Wang; Lulu Yang; Jinjin Wei; Tianyu Huang; Bo Zhang; Jonathan Bohbot; Guirong Wang

doi:10.1007/s11427-025-2925-9

Hot breath, quick exit: aphids flee mammalian heat via TRPA1

Bing Wang, Lulu Yang, Jinjin Wei, Tianyu Huang, Bo Zhang, Jonathan Bohbot, Guirong Wang^*

^*Corresponding author for this work

Department of Entomology

Research output: Contribution to journal › Article › peer-review

Abstract

Animals have developed scent-triggered avoidance for threat evasion and survival. Here, we found that aphids exhibit a unique heat-guided herbivore-avoidance mechanism. We identified the TRP channel ApisTRPA1 in Acyrthosiphon pisum as a key receptor for sensing rapid temperature increases. Two isoforms of ApisTRPA1, ApisTRPA1-A and ApisTRPA1-B, are both expressed in neurons located in the primary rhinaria, which are essential for acute heat detection. Among them, ApisTRPA1-B exhibits a stronger response to temperature gradients. These findings shed light on aphid physiological adaptations to thermal cues and may inform the development of eco-friendly aphid management strategies.

Original language	English
Journal	Science China Life Sciences
DOIs	https://doi.org/10.1007/s11427-025-2925-9
State	Accepted/In press - 2025

Bibliographical note

Publisher Copyright:
© Science China Press 2025.

Keywords

Acyrthosiphon pisum
heat avoidance
pre-encounter escape behavior
thermal sense
thermosensitive neuron
transient receptor potential A1

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10.1007/s11427-025-2925-9

Cite this

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title = "Hot breath, quick exit: aphids flee mammalian heat via TRPA1",

abstract = "Animals have developed scent-triggered avoidance for threat evasion and survival. Here, we found that aphids exhibit a unique heat-guided herbivore-avoidance mechanism. We identified the TRP channel ApisTRPA1 in Acyrthosiphon pisum as a key receptor for sensing rapid temperature increases. Two isoforms of ApisTRPA1, ApisTRPA1-A and ApisTRPA1-B, are both expressed in neurons located in the primary rhinaria, which are essential for acute heat detection. Among them, ApisTRPA1-B exhibits a stronger response to temperature gradients. These findings shed light on aphid physiological adaptations to thermal cues and may inform the development of eco-friendly aphid management strategies.",

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AU - Wang, Bing

AU - Yang, Lulu

AU - Wei, Jinjin

AU - Huang, Tianyu

AU - Zhang, Bo

AU - Bohbot, Jonathan

AU - Wang, Guirong

N1 - Publisher Copyright: © Science China Press 2025.

PY - 2025

Y1 - 2025

N2 - Animals have developed scent-triggered avoidance for threat evasion and survival. Here, we found that aphids exhibit a unique heat-guided herbivore-avoidance mechanism. We identified the TRP channel ApisTRPA1 in Acyrthosiphon pisum as a key receptor for sensing rapid temperature increases. Two isoforms of ApisTRPA1, ApisTRPA1-A and ApisTRPA1-B, are both expressed in neurons located in the primary rhinaria, which are essential for acute heat detection. Among them, ApisTRPA1-B exhibits a stronger response to temperature gradients. These findings shed light on aphid physiological adaptations to thermal cues and may inform the development of eco-friendly aphid management strategies.

AB - Animals have developed scent-triggered avoidance for threat evasion and survival. Here, we found that aphids exhibit a unique heat-guided herbivore-avoidance mechanism. We identified the TRP channel ApisTRPA1 in Acyrthosiphon pisum as a key receptor for sensing rapid temperature increases. Two isoforms of ApisTRPA1, ApisTRPA1-A and ApisTRPA1-B, are both expressed in neurons located in the primary rhinaria, which are essential for acute heat detection. Among them, ApisTRPA1-B exhibits a stronger response to temperature gradients. These findings shed light on aphid physiological adaptations to thermal cues and may inform the development of eco-friendly aphid management strategies.

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KW - pre-encounter escape behavior

KW - thermal sense

KW - thermosensitive neuron

KW - transient receptor potential A1

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Hot breath, quick exit: aphids flee mammalian heat via TRPA1

Abstract

Bibliographical note

Keywords

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