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JoVE Encyclopedia of Experiments
Biology
光运动反应测定:一种测量斑马鱼幼鱼对照明条件突然变化的行为反应的方法
光运动反应测定:一种测量斑马鱼幼鱼对照明条件突然变化的行为反应的方法
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Encyclopedia of Experiments Biology
Photomotor Response Assay: A Method to Measure the Behavioral Response of Larval Zebrafish to a Sudden Change in Lighting Condition

光运动反应测定:一种测量斑马鱼幼鱼对照明条件突然变化的行为反应的方法

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02:20 min
April 30, 2023
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Please note that some of the translations on this page are AI generated. Click here for the English version.

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- 首先,在移液管的帮助下,将 10 个斑马鱼胚胎转移到装满 20 毫升水的烧杯中。现在,在 28 摄氏度下,在实验所需的适当明暗周期下培养胚胎。接下来,将幼虫转移到孔板中。确保每个孔都包含一只幼虫,以提供足够的游泳空间。

现在将每口井完全装满水。将孔板放在行为记录室中,并使用视频跟踪软件跟踪幼虫运动。由于压力水平增加,幼虫在黑暗中表现出运动增加,当暴露于异常的光暗循环时,幼虫在光线中的运动减少。计算初始周期最后一分钟和下一周期第一分钟的平均移动距离之间的差异,可以告诉我们鱼的光电运动反应。

在该协议中,我们将检查暴露于咖啡因的斑马鱼和胖头鲦鱼幼虫的光运动反应。首先,将含有实验鱼的孔板放入行为记录室中。然后,打开之前开发的跟踪协议。在视频跟踪查看器中,确保所有幼虫都可见,每个孔中仅存在一只幼虫,并且孔与定义的观察区域对齐。

接下来,单击 Experiment and Execute。指定数据的名称和保存位置,然后单击 多个实时图像 图标以突出显示所有预定义的查看区域。最后,关闭录音室的面板并单击 背景 其次 Start 开始 在计算机显示器上。

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