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nohup tophat -p 4 -r <mate-inner-distance> -G <gfffile> <bowtie_index_prefix> <R1.fasta> <R2.fasta> &>tophat.log & |
- – bowtie1 can be added to ask tophat to use bowtie1 instead of bowtie2 (bowtie2 does not support colorspace data).
- - C for colorspace (provide csfasta and quality files when using the flag)
Example 1: For mouse:
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nohup tophat -p 4 -r 130 -G /usr/local/genome/references/mmu_ncbi37/mm9_ucsc-known.gff3 /usr/local/genome/references/mmu_ncbi37/mmu_masked_ncbi37.fasta sim.test1.forward.fa sim.test1.reverse.fa &>tophat.log & |
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tophat --transcriptome-index=/usr/local/genome/references/hg19/bowtie_gtf_index/hg19.gtf /usr/local/genome/references/hg19/bowtie_index/hg19.bs.bowtie <reads.fq>
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Cufflinks
Cufflinks 2.0.0 is installed on Fourierseq as of 05/24/12
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nohup cufflinks accepted_hits.bam -o cufflinks_outputdir &>cufflinks.log & |
- -G reference.gtf can be added to use reference annotation to assemble transcripts. This will not assemble novel transcripts.
- -g reference.gtf can be added to use the reference annotation as a guide to assemble transcripts. This will include reference transcripts and novel transcripts.
- accepted_hits.bam : bam file created by tophat
Errors encountered:
An error during the segment mapping step with tophat 2.0.2 (Error: segment-based junction search failed with err =1) has been encountered that is solved by not using multiple threads (-p option).