Question: how to display gene names rather than MSTRG (using ballgown)
gravatar for hirahameed222
14 months ago by
hirahameed2220 wrote:

Hi there. I used HISAT2 for the alingment, Stringtie for the assembly and the R package Ballgown for the Differential Expression (DE) analysis (protocol published here: ). I used following commands.

data_directory = system.file('extdata', package = 'ballgown')
bg_chrX = ballgown(dataDir = data_directory, samplePattern = "G", meas = 'all', pData = pheno_data)
bg_chrX_filt = subset(bg_chrX,"rowVars(texpr(bg_chrX)) >1",genomesubset=TRUE)
results_transcripts = stattest(bg_chrX_filt,
                               feature="transcript",covariate="variety", getFC=TRUE,
                               meas="FPKM", timecourse = TRUE)

results_genes = stattest(bg_chrX_filt, feature="gene",
                         covariate="variety", getFC=TRUE,
                         meas="FPKM", timecourse = TRUE)

when i used to fetch my gene list it appears as follows :-

> (results_genes)
      feature                 id          fc         pval      qval
1        gene        MSTRG.28632  0.34122015 1.947303e-05 0.1767612
2        gene         MSTRG.3615  5.15572720 2.210357e-05 0.1767612
3        gene         MSTRG.7507  0.25190672 2.219452e-05 0.1767612
4        gene        MSTRG.70532  0.31864709 2.421819e-05 0.1767612
5        gene        MSTRG.49954  0.30219146 2.569801e-05 0.1767612

this list continues with the same MSTRG gene id upto 200 rows. i need gene ID's to do my Gene Ontology step. I'll be really grateful if someone can suggest me a suitable command to do my work.

ADD COMMENTlink written 14 months ago by hirahameed2220
gravatar for ahaswer
14 months ago by
Czech Republic
ahaswer150 wrote:

Check, previous Biostars answers: Gene names in Ballgown, How to deal with MSTRG tag and also additional script written by Pertea.

ADD COMMENTlink written 14 months ago by ahaswer150

It's really helpful. Thanks !

ADD REPLYlink written 14 months ago by hirahameed2220
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