SUMMARISING RUN PARAMETERS ========================== Input filename: zr3644_9_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_9_2.fastq.gz Processing single-end reads on 8 cores ... Finished in 176.076 s (3.701 µs/read; 16.21 M reads/minute). === Summary === Total reads processed: 47,573,665 Reads with adapters: 10,518,319 (22.1%) Reads written (passing filters): 47,573,665 (100.0%) Total basepairs processed: 4,888,982,120 bp Quality-trimmed: 1,484,662 bp (0.0%) Total written (filtered): 4,876,006,620 bp (99.7%) === Adapter 1 === Sequence: AGATCGGAAGAGC; Type: regular 3'; Length: 13; Trimmed: 10518319 times Minimum overlap: 1 No. of allowed errors: 1-9 bp: 0; 10-13 bp: 1 Bases preceding removed adapters: A: 48.0% C: 11.6% G: 6.1% T: 34.3% none/other: 0.0% Overview of removed sequences length count expect max.err error counts 1 10098209 11893416.2 0 10098209 2 12101 2973354.1 0 12101 3 264984 743338.5 0 264984 4 142230 185834.6 0 142230 5 683 46458.7 0 683 6 4 11614.7 0 4 7 5 2903.7 0 5 8 2 725.9 0 2 9 5 181.5 0 0 5 10 43 45.4 1 0 43 11 46 11.3 1 0 46 12 7 2.8 1 0 7 RUN STATISTICS FOR INPUT FILE: zr3644_9_2.fastq.gz ============================================= 47573665 sequences processed in total Total number of sequences analysed for the sequence pair length validation: 47573665 Number of sequence pairs removed because at least one read was shorter than the length cutoff (20 bp): 24492 (0.05%)