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Genetics
基因靶向随机诱变在裂变酵母中选择染色质稳定蛋白酶突变体
基因靶向随机诱变在裂变酵母中选择染色质稳定蛋白酶突变体
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JoVE Journal Genetics
Gene-targeted Random Mutagenesis to Select Heterochromatin-destabilizing Proteasome Mutants in Fission Yeast

基因靶向随机诱变在裂变酵母中选择染色质稳定蛋白酶突变体

Full Text
11,166 Views
07:18 min
May 15, 2018

DOI: 10.3791/57499-v

Hogyu David Seo1, Daeyoup Lee1

1Department of Biological Sciences,Korea Advanced Institute of Science and Technology

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

本文介绍了一种用于裂变酵母靶基因随机诱变的详细方法。例如, 我们针对的是rpt4+, 它对19S 蛋白酶体的亚基进行编码, 并筛选出破坏染色质的突变。

这种随机诱变的总体目标是筛选使异染色质不稳定的突变。这种方法可以帮助回答异染色质领域的关键问题,例如调节异染色质形成和维持的因素。该技术的主要优点是它可以特异性地靶向所需的基因进行诱变,即使该基因是必需的。

首先,通过混合下表所示的组分,制备含有补充剂或 YES、不含腺嘌呤的 Pombe 谷氨酸培养基或 PMG 以及不含腺嘌呤的 PMG 的酵母提取物。高压灭菌并根据需要添加 G418 后,再搅拌培养基 5 到 10 分钟。然后,将培养基分装到 90 毫升培养皿中,并将板储存在 4 摄氏度。

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