SUMMARISING RUN PARAMETERS ========================== Input filename: zr3644_17_2.fastq.gz Trimming mode: paired-end Trim Galore version: 0.6.10 Cutadapt version: 4.9 Python version: could not detect Number of cores used for trimming: 8 Quality Phred score cutoff: 20 Quality encoding type selected: ASCII+33 Unable to auto-detect most prominent adapter from the first specified file (count Illumina: 0, count smallRNA: 0, count Nextera: 0) Defaulting to Illumina universal adapter ( AGATCGGAAGAGC ). Specify -a SEQUENCE to avoid this behavior). Adapter sequence: 'AGATCGGAAGAGC' (Illumina TruSeq, Sanger iPCR; default (inconclusive auto-detection)) Maximum trimming error rate: 0.1 (default) Minimum required adapter overlap (stringency): 1 bp Minimum required sequence length for both reads before a sequence pair gets removed: 20 bp Running FastQC on the data once trimming has completed Output file will be GZIP compressed This is cutadapt 4.9 with Python 3.12.8 Command line parameters: -j 8 -e 0.1 -q 20 -O 1 -a AGATCGGAAGAGC zr3644_17_2.fastq.gz Processing single-end reads on 8 cores ... Finished in 211.743 s (3.687 µs/read; 16.27 M reads/minute). === Summary === Total reads processed: 57,429,743 Reads with adapters: 12,617,361 (22.0%) Reads written (passing filters): 57,429,743 (100.0%) Total basepairs processed: 6,011,277,780 bp Quality-trimmed: 1,504,005 bp (0.0%) Total written (filtered): 5,995,998,237 bp (99.7%) === Adapter 1 === Sequence: AGATCGGAAGAGC; Type: regular 3'; Length: 13; Trimmed: 12617361 times Minimum overlap: 1 No. of allowed errors: 1-9 bp: 0; 10-13 bp: 1 Bases preceding removed adapters: A: 48.0% C: 11.4% G: 6.0% T: 34.5% none/other: 0.0% Overview of removed sequences length count expect max.err error counts 1 12117776 14357435.8 0 12117776 2 14284 3589358.9 0 14284 3 313526 897339.7 0 313526 4 170886 224334.9 0 170886 5 762 56083.7 0 762 6 8 14020.9 0 8 7 7 3505.2 0 7 8 2 876.3 0 2 9 4 219.1 0 2 2 10 56 54.8 1 1 55 11 47 13.7 1 0 47 12 3 3.4 1 0 3 RUN STATISTICS FOR INPUT FILE: zr3644_17_2.fastq.gz ============================================= 57429743 sequences processed in total Total number of sequences analysed for the sequence pair length validation: 57429743 Number of sequence pairs removed because at least one read was shorter than the length cutoff (20 bp): 23755 (0.04%)