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线虫中RAB-27与其效应物RBF-1调控致密核心囊泡的栓系和锚定过程

, PP. 365-373

Keywords: 分泌,致密核心囊泡,RAB-3,RAB-27,TIRFM

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Abstract:

致密核心囊泡的转运、栓系、锚定和成熟过程的分子机制尚不清楚.本文以秀丽隐杆线虫(简称线虫)为模式生物来研究致密核心囊泡分泌过程中Rab蛋白及其效应物的功能.实验认为,RAB-27/AEX-6,而非RAB-3,是神经肽释放所必需的.通过全内反射荧光显微镜技术,分析了质膜附近致密核心囊泡的运动情况,阐述了RAB-27/AEX-6和囊泡的栓系相关,而RAB-27的效应物Rabphilin/RBF-1则是早期囊泡和膜栓系及稳定锚定所必需的.

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