SUMMARISING RUN PARAMETERS ========================== Input filename: zr3644_6_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 Nextera: 0, count Illumina: 0, count smallRNA: 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_6_2.fastq.gz Processing single-end reads on 8 cores ... Finished in 195.868 s (3.683 µs/read; 16.29 M reads/minute). === Summary === Total reads processed: 53,174,813 Reads with adapters: 11,722,424 (22.0%) Reads written (passing filters): 53,174,813 (100.0%) Total basepairs processed: 5,603,300,229 bp Quality-trimmed: 1,369,644 bp (0.0%) Total written (filtered): 5,589,152,012 bp (99.7%) === Adapter 1 === Sequence: AGATCGGAAGAGC; Type: regular 3'; Length: 13; Trimmed: 11722424 times Minimum overlap: 1 No. of allowed errors: 1-9 bp: 0; 10-13 bp: 1 Bases preceding removed adapters: A: 48.3% C: 11.2% G: 5.9% T: 34.6% none/other: 0.0% Overview of removed sequences length count expect max.err error counts 1 11266924 13293703.2 0 11266924 2 12691 3323425.8 0 12691 3 286409 830856.5 0 286409 4 155584 207714.1 0 155584 5 692 51928.5 0 692 6 7 12982.1 0 7 7 2 3245.5 0 2 8 1 811.4 0 1 9 4 202.8 0 1 3 10 70 50.7 1 0 70 11 36 12.7 1 0 36 12 4 3.2 1 0 4 RUN STATISTICS FOR INPUT FILE: zr3644_6_2.fastq.gz ============================================= 53174813 sequences processed in total Total number of sequences analysed for the sequence pair length validation: 53174813 Number of sequence pairs removed because at least one read was shorter than the length cutoff (20 bp): 20457 (0.04%)