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Behavior
通过测量细菌清除率来量化 秀丽隐杆线虫 的食物摄入量
通过测量细菌清除率来量化 秀丽隐杆线虫 的食物摄入量
JoVE Journal
Behavior
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JoVE Journal Behavior
Quantifying Food Intake in Caenorhabditis elegans by Measuring Bacterial Clearance

通过测量细菌清除率来量化 秀丽隐杆线虫 的食物摄入量

Full Text
3,791 Views
07:05 min
February 23, 2024

DOI: 10.3791/66422-v

Christina Clark*1,2,3, Alan To*1,2,3, Michael Petrascheck1,2,3

1Department of Molecular and Cellular Biology,The Scripps Research Institute, 2Department of Molecular Medicine,The Scripps Research Institute, 3Department of Neuroscience,The Scripps Research Institute

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Please note that some of the translations on this page are AI generated. Click here for the English version.

该方案描述了一种基于测量液体培养物中细菌清除率来量化 秀丽隐杆线 虫摄食率的测定法。

我的研究重点是了解药物诱导的摄食行为变化背后的转录和代谢途径。我正在努力寻找降低食物摄入量和延长寿命的药物,表明激活健康的禁食途径。使用我们的细菌清除测定,我们确定了调节血清素诱导的食物摄入和抗精神病药诱导的食物摄入的两种不同途径。

我现在正在研究这些途径与长寿突变体的摄食有何关系。该协议允许研究人员研究喂养与长寿之间的关系。喂养速率通常以咽部泵送为特征。

然而,秀丽隐杆线虫的泵送速率不一定与吃的食物量成正比。当添加到以前的分析中时,该方案给出了每个蠕虫种群的可量化食物摄入量。我们的分析使我们能够使用小分子定量调节摄食,并确定诱导的变化如何同时改变寿命。

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