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相关概念视频

Real Time RT-PCR02:57

Real Time RT-PCR

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Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target genes. The method involves converting mRNA to complementary DNA with the help of an enzyme known as reverse transcriptase, followed by the PCR amplification of the cDNA. These two processes can be performed simultaneously in a single tube or separately as a two-step reaction.
The real-time quantification of the number of amplified products is...
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Kinetics of Lagging-strand DNA Synthesis In Vitro by the Bacteriophage T7 Replication Proteins
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快速TV-PRO-seq:用于定时RNA聚合酶暂停的加速和简化协议.

Jie Zhang1,2,3,4,5, Zhixian Liang1,2,3, Mingxin Sun4

  • 1National Engineering Research Center for Healthcare Devices & Guangdong Provincial Key Laboratory of Medical Electronic Instruments and Materials, Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangzhou, China.

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|July 31, 2025
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概括

快速TV-PRO-seq在单核酸分辨率下提供精确的RNA聚合酶II暂停时间的全基因组映射. 这种优化的协议显著减少了实验时间和细胞输入,提高了研究基因表达动态的可行性.

关键词:
动态转录调节 动态转录调节新生的转录 新生的转录.下一代测序 (NGS) 是指下一代的测序.这就是PRO-seqq.RNA聚合酶II暂停时间在RNA聚合酶中暂停.单一基准解决方案的解决方案

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科学领域:

  • 分子生物学分子生物学
  • 基因组学就是基因组学.
  • 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.

背景情况:

  • 转录暂停对于调节细胞过程中的基因表达至关重要.
  • 准确测量暂停时间是必不可少的,但在技术上具有挑战性.
  • 现有的方法缺乏全面分析所需的解决方案和效率.

研究的目的:

  • 推出Fast TV-PRO-seq,这是一个优化的协议,用于精确的全基因组绘制RNA聚合酶II暂停时间.
  • 克服以前方法在分辨率和实验效率方面的局限性.
  • 为了能够对转录性暂停动态进行详细分析.

主要方法:

  • 开发了基于时间变量的精确运行序列 (TV-PRO-seq) 的快速TV-PRO-seq.
  • 使用了无sarkosyl生物素-NTP运行与时间梯度和珠子上的酶反应.
  • 集成的bash脚本,以简化工作流程和简化计算分析.

主要成果:

  • 在全基因组范围内实现了RNA聚合酶II暂停时间的单核酸分辨率映射.
  • 实验时间从4天缩短到2天.
  • 能够在减少细胞输入 (106-108个细胞) 和在无萨尔科西尔的条件下进行实验.

结论:

  • 快速TV-PRO-seq为研究转录性暂停提供了一种高效和准确的方法.
  • 该协议提高了实验的可行性和可重复性.
  • 这一进步有助于更深入地了解基因表达调节.