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Research Article
Please note that some of the translations on this page are AI generated. Click here for the English version.
Erratum Notice
Important: There has been an erratum issued for this article. View Erratum Notice
Retraction Notice
The article Assisted Selection of Biomarkers by Linear Discriminant Analysis Effect Size (LEfSe) in Microbiome Data (10.3791/61715) has been retracted by the journal upon the authors' request due to a conflict regarding the data and methodology. View Retraction Notice
来源:Perkins, A. T., Bickel, SE 使用荧光原位杂交 (FISH) 监测前中期和中期 I 果蝇卵母细胞的臂凝聚状态。J. Vis. Exp.(2017 年)。
该视频描述了一种从先前固定的成熟果蝇卵母细胞中机械去除绒毛膜和卵黄膜的方法。特色方案详细演示了产生与荧光原位杂交测定相容的卵母细胞的程序。
该协议摘自 Perkins 和 Bickel,使用荧光原位杂交 (FISH) 监测前中期和中期 I 果蝇卵母细胞中的手臂凝聚状态,J. Vis. Exp. (2017)。
1. 去除绒毛膜和卵黄
膜注意:有关所需的工具,请参见图 1。

图 1:细胞学工具。方案中使用的工具:(1) 对镊子 (#5 Dumont);(2) 钨针;(3) 带盖深井盘;(4) 浅玻璃解剖皿;(5) 拉动巴斯德移液管。请点击这里查看此图的较大版本。

图 2:用于滚动卵母细胞的载玻片的排列和移动。(A) 如方案中所述,用于滚动卵母细胞的载玻片示意图。较暗的区域表示载玻片的磨砂玻璃部分。(B) 卵母细胞滚动过程中载玻片 #2 的运动矢量方向。请点击这里查看此图的较大版本。