RNA-Seq uses the number of sequencing reads per gene or transcript to quantify gene expression. Once reads are aligned to a reference genome, we need to assign each read to a known transcript or gene to give a read-count per transcript or gene.
Click the Aligned reads data node
Click Quantification in the task menu
We will use Partek E/M to quantify reads to an annotation model in this tutorial. For more information about the other quantification options, please see the Quantification user guide.
Click Quantify to an annotation model (Partek E/M) (Figure 1)
We will use the default options for quantification. To learn more about the different options, please see the Quantify to annotation model (Partek E/M) user guide.
Choose Ensembl release 100 annotation from the Annotation model drop-down menu (you may need to download it first, via Library File Management)
Click Finish (Figure 2)
The Quantify to annotation model task outputs a data node called Quantification (Figure 3).
To view the results of quantification, double-click the Quantification data node to view the task report
The task report details the number of reads within exons, introns, and intergenic regions. For detailed information about the quantification results, see the Quantify to annotation model (Partek E/M) user guide.
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