EPISODE · Apr 18, 2026 · 22 MIN
818-肠道神经元调控盐胁迫抗性
from 聊聊Sci
这份研究资料详细介绍了秀丽隐杆线虫中一种特定的肠道神经元 I3 如何通过分子受体调节盐胁迫抗性。研究发现，由 GLR-9 和 GLR-7 构成的离子型受体复合体位于神经元末端，专门用于监测环境中的阳离子浓度。当线虫暴露于高盐环境时，I3 神经元会通过胆碱能信号介导急性耐受，并利用 FLP-6 神经肽信号在驯化过程中增强远端组织的防御能力。这种感官机制能特异性重塑肠道和表皮相关基因的表达，从而维持生物体在盐胁迫下的生理平衡。该发现揭示了单个肠道神经元如何感知并转化外部非生物压力，以协调全身性的稳态反应。References: Yeon J, Kim J, Sato K, et al. An enteric neuron ionotropic receptor regulates salt stress resistance[J]. Nature, 2026: 1-10.前往小宇宙评论区与主播互动
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818-肠道神经元调控盐胁迫抗性
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