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Transcriptomics Data Visualization Using Partek Flow Software
Mar 27, 2019 Ansuman Chattopadhyay, PhD Asst Director, Molecular Biology information service Health sciences library system University of pittsburgh Sri Chaparala, MS Bioinformatics Specialist Health Sciences Library System University of Pittsburgh
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Workshop Page
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Bulk RNA-seq CLCGx Workflow
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Bulk RNA-seq workshop topics
Brief introduction to RNA-Seq experiments Analyze RNA-seq data Dexamethasone treatment on airway smooth muscle cells (Himes et al. PLos One 2014) Download seq reads from EBI-ENA/NCBI SRA Import reads to CLC Genomics Workbench Align reads to Reference Genome Estimate expressions in the gene level Estimate expressions in the transcript isoform level Statistical analysis of the differential expressed genes and transcripts Create Heat Map, Volcano Plots, and Venn Diagram
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Bulk RNA-seq CLCGx Workflow
Differential Gene Expressions Raw Reads Venn Diagram Volcano Plot
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Partek Flow software
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Software registration@ HSLS MolBio
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Partek flow software access
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Partek Flow at Pitt http://partek.crc.pitt.edu/
Access from outside Pitt Network -- Use Pulse Secure
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Partek Flow basics FASTQ Reads Circular node : Data Rectangle: Task
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Bulk RNA-seq Study
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NCBI SRA Dex vs. Unt
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Import CLCGx generated RNA-seq count matrix file into PartekFlow
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Access to CRC-HTC Cluster – CLC Server
If you DO NOT HAVE CRC-HTC account: Use the following for a limited access UserID: hslsmolb PW: library1# Server host: clcbio-stage.crc.pitt.edu Server port: 7777 If you have CRC-HTC account Use – pitt user name; pitt password Server host: clcbio-stage.crc.pitt.edu Server host: 7777
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Import DexvsUnt count matrix data
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Import DexvsUnt count matrix data
Right Click
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Import DexvsUnt Count Matrix data
Select Name and Total Counts for each sample
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Import DexvsUnt count matrix data
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Import DexvsUnt count matrix data
Rename samples
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Annotate samples with metadata
Start Here
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Start analyzing the data and create visualization plots in Partek Flow
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Browse imported count matrix data
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Run PCA 1 2 3
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Create sample correlation plots
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Run DESeq2 to get differentially expressed genes between Dex vs
Run DESeq2 to get differentially expressed genes between Dex vs. Unt samples
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Filter DE genes
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Display DE genes in a dot / violin plot
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Create a heatmap using hierarchical clustering
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Hands on exercise Import “Alb vs. Unt” CLCGx created expression browser dataset into Partek Flow Create a PCA Plot Run DESeq2 software and generate a differentially expressed gene list - Alb vs. Unt Display DE genes in dot or violin plots Create a heatmap displaying clustered samples in rows and clustered genes in columns Create a Venn diagram showing overlap between DE genes (p-value <=.05, FC <= -1.5 and >=1.5) produced by “Dex vs.Unt” and “Alb vs. Unt” datasets
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