diff --git a/src/RNASeq.nf b/src/RNASeq.nf
index 354f00e06d2e38ee31a87ec315797aea6710b6c2..c96a9e7680fde466e59ad565579ac13cc09d2ef7 100644
--- a/src/RNASeq.nf
+++ b/src/RNASeq.nf
@@ -29,3 +29,24 @@ process adaptor_removal {
   ${reads[0]} ${reads[1]} > ${pair_id}_report.txt
   """
 }
+
+process trimming {
+  tag "${reads}"
+  cpus 4
+  publishDir "results/fastq/trimming/", mode: 'copy'
+
+  input:
+  file reads from fastq_files_cut
+
+  output:
+  file "*_trim_R{1,2}.fastq.gz" into fastq_files_trim
+
+  script:
+"""
+UrQt --t 20 --m ${task.cpus} --gz \
+--in ${reads[0]} --inpair ${reads[1]} \
+--out ${reads[0].baseName}_trim_R1.fastq.gz --outpair ${reads[1].baseName}_trim_R2.fastq.gz \
+> ${reads[0].baseName}_trimming_report.txt
+"""
+}
+