A comprehensive overview of computational tools for RNA-seq analysis
2020
RNA-sequencing (RNA-seq) has become an exemplar technology in modern biology and clinical applications over the past decade. It has gained immense popularity in the recent years driven by continuous efforts of the bioinformatics community to develop accurate and scalable computational tools. RNA-seq is a method of analyzing the RNA content of a sample using the modern sequencing platforms. It generates enormous amounts of genomic data in the form of nucleotide sequences, known as reads. RNA-seq analysis enables the probing of genes and corresponding transcripts which is essential for answering important biological questions, such as detecting novel exons, transcripts, gene expressions, and studying alternative splicing structure, to name a few. However, obtaining valid biological signals using these computational methods is challenging due to the limitations of modern sequencing technologies. These technological challenges have pushed the rapid development of many novel computational tools which have evolved and diversified in accordance with technological advancements, leading to the current myriad population of RNA-seq tools. Our review provides a systemic overview of 228 available RNA-seq analysis tools across various domains published from 2008 to 2020. Additionally, we discuss the interdisciplinary nature of bioinformatics involved in RNA sequencing, analysis, and software development without laboring over the biological details.
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