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Developmental Biology
观察有丝分裂和动力学在现场斑马鱼胚胎
观察有丝分裂和动力学在现场斑马鱼胚胎
JoVE Journal
Developmental Biology
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JoVE Journal Developmental Biology
Observing Mitotic Division and Dynamics in a Live Zebrafish Embryo

观察有丝分裂和动力学在现场斑马鱼胚胎

Full Text
12,693 Views
10:10 min
July 15, 2016

DOI: 10.3791/54218-v

Stefanie M. Percival1, John M. Parant1

1Department of Pharmacology and Toxicology,University of Alabama at Birmingham

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

有丝分裂对每个生物体都至关重要,缺陷通常会导致癌症和发育障碍。使用该成像方案和斑马鱼作为模型系统,研究人员可以可视化活脊椎动物生物体中的有丝分裂以及有丝分裂过程有缺陷时出现的多种缺陷。

该程序的总体目标是通过使用荧光标记的染色质和细胞膜蛋白来监测活斑马鱼胚胎有丝分裂期间染色体分离的保真度,这些染色质和细胞膜蛋白将使用高分辨率共聚焦显微镜捕获。这种方法可以帮助回答有丝分裂领域中的关键问题,例如有丝分裂缺陷如何导致活体脊椎动物生物体的发育缺陷或肿瘤形成?这项技术的主要优点是我们正在观察活体脊椎动物生物体的有丝分裂,从而可以收集与物理学相关的数据。

繁殖成年斑马鱼并注射 H2A 卵后。F/Z-EGFP 和/或 pCS2 mCherry-CAAX RNA,在成像前大约两小时,使用荧光解剖显微镜鉴定 GFP 阳性胚胎。将表达 GFP 的亮绿色胚胎转移到一个新的 100 x 15 毫米培养皿中,并使用 E3 蓝色培养基。

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