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多个p38/JNK中基因激活蛋白激酶 (MAPK) 信号通路介导了C. elegans中的盐化学反应学习

Taoruo Huang¹, Kota Suzuki¹, Hirofumi Kunitomo¹

¹Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Tokyo 113-0033, Japan.

G3 (Bethesda, Md.)

|June 13, 2023

概括

神经系统使动物能够适应行为. 在C. elegans中,JNK和p38 MAPK通路调节盐化学反应的学习,涉及感觉神经元和神经信号传递.

科学领域:

神经科学是一个神经科学.
分子生物学分子生物学
行为遗传学行为遗传学

背景情况:

动物的行为适应依赖于神经系统整合环境信号.
包括JNK和p38在内的基因激活蛋白激酶 (MAPK) 途径对于信号转导和行为调节至关重要.
凯诺拉布迪斯 (C. elegans) 是研究神经回路和学习的模型生物.

研究的目的:

调查JNK和p38 MAPK信号通路在C. elegans盐化学反应学习中的作用.
为了确定特定的组件和神经元电路,涉及到学会的盐避免和吸引力.
阐明将MAPK信号连接到神经路径在感官处理中的分子机制.

主要方法:

在JNK和p38 MAPK通路中对C. elegans突变的遗传分析.
行为测试来评估盐化学反应的学习 (避免和吸引).
基因相互作用研究和神经信号元件的分析 (NLP-3,NPR-15).

主要成果:

在JNK和p38 MAPK通路中的突变体在学习盐化学反应方面表现出缺陷.
确定了特定的MAPK路径组件 (MLK-1,MEK-1用于避免;NSY-1,SEK-1用于吸引).
克格勃-1 (JNK家族MAPK) 在两个通道的下游作用.
NSY-1/SEK-1通路在感觉神经元 (ASH,ADF,ASER) 中起作用,并且涉及神经NLP-3和内神经元 (AIA) 中的NPR-15受体.

结论:

JNK和p38 MAPK通路对于学习C. elegans.盐化学反应的不同方面至关重要.
NSY-1/SEK-1 MAPK通路通过影响感官神经元和内神经元之间的神经信号传递来调节学到的高盐化学反应.
这项研究揭示了在适应性行为中MAPK信号与神经通信之间的新联系.

关键词:

凯诺哈比迪斯的优雅的植物.这就是MAPKK的意思.盐化学反应学习盐化学反应学习

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