RNA-Seq-Based Comparative Transcriptomics – RNA Preparation and Bioinformatics

Transcriptome analysis is the determination of differentially expressed genes across experimental conditions. For this, the next-generation sequencing of RNA (RNA-seq) is an increasingly cost-effective technology for the analysis of transcriptomes with several advantages over gene expression microarrays, such as its higher sensitivity and accuracy, broader dynamic range, and the ability to detect novel transcripts, including noncoding RNA molecules, at nucleotide-level resolution. Although these advantages, many microbiology laboratories have not yet applied RNA-seq analyses to their investigations. The high cost of the equipment for next-generation sequencing is no longer an issue, since this intermediate part of the analysis can be provided by commercial or central services. Here, researchers from the Biotechnology Institute of León detail a protocol for the first part of the analysis, the RNA extraction, and an introductory protocol to the bioinformatics analysis of the sequencing data that generates the differential expression results.

Rodríguez-García A, Sola-Landa A, Barreiro C. (2017) RNA-Seq-Based Comparative Transcriptomics: RNA Preparation and Bioinformatics. Methods Mol Biol 1645:59-72. [abstract]

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