This tutorial gives an overview of RNA-Seq analysis with Partek® Flow®. It will guide you through creating an RNA-Seq analysis pipeline. The goals of the analysis are to create a list of differentially expressed genes, visualize these gene expression signatures by hierarchical clustering, and interpret the gene lists using gene ontology (GO) enrichment.
This tutorial will illustrate:
- Importing the tutorial data set
- Adding sample attributes
- Running pre-aligment QA/QC
- Trimming bases and filtering reads
- Aligning to a reference genome
- Running post-alignment QA/QC
- Quantifying to an annotation model
- Filtering features
- Normalizing counts
- Exploring the data set with PCA
- Performing differential expression analysis with GSA
- Viewing GSA results and creating a gene list
- Viewing a dot plot for a gene
- Visualizing gene expression in Chromosome view
- Generating a hierarchical clustering heat map
- Performing biological interpretation
- Saving and running a pipeline
Description of the Data Set
This tutorial uses a subset of the data set published in Xu et al. 2013 (PMID: 23902433). In the experiment, mRNA was isolated from HT29 colon cancer cells treated with the drug 5-aza-deoxy-cytidine (5-aza) at three different doses: 0μM (control), 5μM, or 10μM. The mRNA was sequenced using Illumina HiSeq (paired end reads). The goal of the experiment was to identify differentially expressed genes between the different treatment groups.
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