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1. How to do RNA-seq

目前二代测序仪的厂商有很多家,但核心的原理大同小异,基本都是利用高通量测序获取样品中RNA的序列信息;本节将以市场占有率最高的Illumina测序平台为例,简单介绍我们提取的RNA是如何变成测序文库

0. NGS, Next Generation Sequencing

I. 转录组测序种类

Overview of Transcriptom

II. RNA-seq

1. RNA-seq原理

  • RNA-seq (RNA Sequencing),也被称为全转录物组散弹枪法测序 Whole Transcriptome Shotgun Sequencing (WTSS), 是基于第二代测序技术的转录组学研究方法

  • RNA-Seq可使研究人员在单次分析中检测已知的和新的特征,使检测转录本亚型、基因融合、单核苷酸位点变异和其他特征不受先验知识的限制

2. RNA-seq建库

  • 建库流程

  • 建库产物

3. RNA文库类别

  • polyA-seq(mRNA and polyA-lncRNA): polyA & oligo(dT) priming

  • Total RNA-seq: rRNA depletion and random primers enrichment

  • small RNA-seq: adaptors ligation

  • circRNA-seq: RNase R降解掉线性RNA分子,再用random primer富集环状RNA分子

III. Appendix: RNA content

IV. References

Illumina官网arrow-up-right

Illumina-For all you seqarrow-up-right

Illumina RNA sequencing methods reviewarrow-up-right

Illumina sequencing introductionarrow-up-right

Illumina文库制备和芯片试剂盒选择器arrow-up-right

聊聊转录组测序(知乎)arrow-up-right

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