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 Acyrthos...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.展开更多
基金supported by the National Natural Science Foundation of China(32472553,31872039,32130089)the Shenzhen Science and Technology Program(KQTD20180411143628272)the Science and Technology Innovation Project of the Chinese Academy of Agricultural Sciences.
文摘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.
