SUMMARISING RUN PARAMETERS ========================== Input filename: zr3644_1_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 smallRNA: 0, count Illumina: 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_1_2.fastq.gz Processing single-end reads on 8 cores ... Finished in 197.878 s (3.880 µs/read; 15.46 M reads/minute). === Summary === Total reads processed: 50,993,451 Reads with adapters: 11,315,972 (22.2%) Reads written (passing filters): 50,993,451 (100.0%) Total basepairs processed: 5,320,352,930 bp Quality-trimmed: 1,686,240 bp (0.0%) Total written (filtered): 5,306,337,413 bp (99.7%) === Adapter 1 === Sequence: AGATCGGAAGAGC; Type: regular 3'; Length: 13; Trimmed: 11315972 times Minimum overlap: 1 No. of allowed errors: 1-9 bp: 0; 10-13 bp: 1 Bases preceding removed adapters: A: 48.2% C: 11.5% G: 5.9% T: 34.4% none/other: 0.0% Overview of removed sequences length count expect max.err error counts 1 10876605 12748362.8 0 10876605 2 16325 3187090.7 0 16325 3 273549 796772.7 0 273549 4 148568 199193.2 0 148568 5 821 49798.3 0 821 6 17 12449.6 0 17 7 3 3112.4 0 3 8 4 778.1 0 4 9 3 194.5 0 0 3 10 34 48.6 1 1 33 11 40 12.2 1 0 40 12 3 3.0 1 0 3 RUN STATISTICS FOR INPUT FILE: zr3644_1_2.fastq.gz ============================================= 50993451 sequences processed in total Total number of sequences analysed for the sequence pair length validation: 50993451 Number of sequence pairs removed because at least one read was shorter than the length cutoff (20 bp): 21577 (0.04%)