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RNA-seq03:21

RNA-seq

RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases. 
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while microarray-based...

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Related Experiment Video

Updated: May 18, 2026

Highly Efficient Ligation of Small RNA Molecules for MicroRNA Quantitation by High-Throughput Sequencing
14:15

Highly Efficient Ligation of Small RNA Molecules for MicroRNA Quantitation by High-Throughput Sequencing

Published on: November 18, 2014

A High-Throughput Method for Illumina RNA-Seq Library Preparation.

Ravi Kumar1, Yasunori Ichihashi, Seisuke Kimura

  • 1Department of Plant Biology, University of California Davis, CA, USA.

Frontiers in Plant Science
|September 14, 2012
PubMed
Summary
This summary is machine-generated.

This study presents a new, cost-effective RNA sequencing (RNA-Seq) library preparation method starting directly from tissue. This high-throughput protocol enhances differential gene expression detection and minimizes gene-length biases for more accurate results.

Keywords:
IlluminaRNA-SeqcDNA fragmentationhigh-throughputmRNA isolationmultiplexingsequencing

More Related Videos

Single Read and Paired End mRNA-Seq Illumina Libraries from 10 Nanograms Total RNA
14:49

Single Read and Paired End mRNA-Seq Illumina Libraries from 10 Nanograms Total RNA

Published on: October 27, 2011

Related Experiment Videos

Last Updated: May 18, 2026

Highly Efficient Ligation of Small RNA Molecules for MicroRNA Quantitation by High-Throughput Sequencing
14:15

Highly Efficient Ligation of Small RNA Molecules for MicroRNA Quantitation by High-Throughput Sequencing

Published on: November 18, 2014

Single Read and Paired End mRNA-Seq Illumina Libraries from 10 Nanograms Total RNA
14:49

Single Read and Paired End mRNA-Seq Illumina Libraries from 10 Nanograms Total RNA

Published on: October 27, 2011

Area of Science:

  • Molecular Biology
  • Genomics
  • Bioinformatics

Background:

  • Next-generation sequencing (NGS) enables gene expression analysis but current RNA sequencing (RNA-Seq) library preparation methods are costly and difficult to scale.
  • Most existing protocols require isolated total RNA, limiting their application in high-throughput studies.

Purpose of the Study:

  • To develop a cost-effective, rapid, and high-throughput RNA-Seq library synthesis protocol starting directly from tissue.
  • To design and validate a set of unique barcodes for multiplexing in high-throughput sequencing.
  • To address and minimize gene-length biases in differential gene expression analysis.

Main Methods:

  • Developed a novel RNA-Seq library synthesis protocol from tissue to synthesized library.
  • Designed 96 unique barcodes for library adapter multiplexing.
  • Investigated and minimized gene-length biases during mRNA isolation.

Main Results:

  • The new protocol is cost-effective, fast, and high-throughput, starting from tissue.
  • The protocol demonstrates increased power for detecting differentially expressed genes compared to standard methods, likely due to reduced technical variation.
  • Gene-length biases affecting differential gene expression calls were efficiently minimized.

Conclusions:

  • The developed protocol offers a scalable and efficient solution for RNA-Seq library preparation.
  • The protocol improves the accuracy and power of differential gene expression analysis.
  • This method facilitates high-throughput gene expression studies with reduced technical variation and bias.