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Rationale and Background:

CLASS2: A fast and accurate alternative-splicing aware transcript assembler for RNA-seq reads aligned to a genome.

Song L, Sabunciyan S, Florea L. 2016. Nucleic Acids Res. 44(10):e98.  [ Medline ]

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The test data for CLASS2 can be found here: /iplant/home/shared/iplantcollaborative/example_data/class2

Test Run

  1. Open CLASS2 in DE
  2. Choose the input BAM file /iplant/home/shared/iplantcollaborative/example_data/class2/sample.bam
  3. Optionally select the GTF annotation file /iplant/home/shared/iplantcollaborative/example_data/class2/sample.annot.gtf
  4. Optionally set other parameters, such as Isoform fraction (-F) , Prefix for transcript names (-l) Remove depth and splice files (–clean)  
  5. Optionally set the prefix for the output file name
  6. Launch the analysis

Test Results: 

  1. sample.gtf:   Output file
  2. If  selecting 'No' for the '--clean' option, then a folder named "class_tmp" containing alignment, splice junction and read coverage data will be generated. 

The following figure file illustrates the CLASS2 output for the test data, using the provided annotation:

sample.gtfclass_tmp.png