September 22, 2019  |  

The new world of isoform sequencing

Not too long ago, the life sciences community was still debating whether sequencers would ever overtake microarrays as the preferred means of measuring gene expression. Today, not only have sequencers become the standard workhorse for gene expression studies, but newer sequencing technology has delivered the ability to generate novel expression data even in the most well-characterized cells or organisms. Truly, it is a remarkable time for comprehensive studies of which genes are being transcribed, with the goal of providing functional insight into various biological processes. The key advantage sequencing holds over microarrays is its ability to deeply survey an entire transcriptome, while microarrays are limited to interrogating known genes using probes designed from a reference genome assembly. As next-generation sequencing became more affordable, scientists were eager to switch to this approach, which became known as RNA sequencing or simply RNA-seq. © Mary Ann Liebert, Inc.


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