End Sequence Analysis Toolkit (ESAT) expands the extractable information from single-cell RNA-seq data.

End Sequence Analysis Toolkit (ESAT) expands the extractable information from single-cell RNA-seq data.
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DOI:
10.1101/gr.207902.116
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发表时间:
2016-10
期刊:
影响因子:
7
通讯作者:
Garber M
Garber M
中科院分区:
生物学1区
文献类型:
--
作者:
Derr A;Yang C;Zilionis R;Sergushichev A;Blodgett DM;Redick S;Bortell R;Luban J;Harlan DM;Kadener S;Greiner DL;Klein A;Artyomov MN;Garber M

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专注于转录本末端的RNA-seq协议非常适合模板数量有限的应用。在这里,我们表明,当应用于末端测序数据时,为全局RNA-seq设计的分析方法会产生计算伪影。为了解决这个问题,我们创建了End Sequence Analysis Toolkit (ESAT)。作为测试,我们首先使用脂多糖(LPS)刺激的树突状细胞的RNA比较了末端测序和整体RNA测序。正如转录爆发的电转录模型所预测的那样,ESAT检测到lps刺激下向更短的3 ' -同工异构体的转变,这是传统计算方法所不明显的。然后,使用基于微流体的微滴技术生成1000个cDNA文库,每个文库来自单个胰岛细胞。ESAT鉴定出九种不同的细胞类型,三种不同的β细胞类型,以及激素分泌和血管形成之间的复杂相互作用。因此,ESAT为大量或单细胞RNA末端测序提供了一种急需且普遍适用的计算管道。
RNA-seq protocols that focus on transcript termini are well suited for applications in which template quantity is limiting. Here we show that, when applied to end-sequencing data, analytical methods designed for global RNA-seq produce computational artifacts. To remedy this, we created the End Sequence Analysis Toolkit (ESAT). As a test, we first compared end-sequencing and bulk RNA-seq using RNA from dendritic cells stimulated with lipopolysaccharide (LPS). As predicted by the telescripting model for transcriptional bursts, ESAT detected an LPS-stimulated shift to shorter 3′-isoforms that was not evident by conventional computational methods. Then, droplet-based microfluidics was used to generate 1000 cDNA libraries, each from an individual pancreatic islet cell. ESAT identified nine distinct cell types, three distinct β-cell types, and a complex interplay between hormone secretion and vascularization. ESAT, then, offers a much-needed and generally applicable computational pipeline for either bulk or single-cell RNA end-sequencing.
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