SUMMARISING RUN PARAMETERS ========================== Input filename: zr3644_8_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_8_2.fastq.gz Processing single-end reads on 8 cores ... Finished in 156.595 s (3.699 µs/read; 16.22 M reads/minute). === Summary === Total reads processed: 42,336,845 Reads with adapters: 9,369,504 (22.1%) Reads written (passing filters): 42,336,845 (100.0%) Total basepairs processed: 4,447,437,363 bp Quality-trimmed: 1,380,266 bp (0.0%) Total written (filtered): 4,435,834,604 bp (99.7%) === Adapter 1 === Sequence: AGATCGGAAGAGC; Type: regular 3'; Length: 13; Trimmed: 9369504 times Minimum overlap: 1 No. of allowed errors: 1-9 bp: 0; 10-13 bp: 1 Bases preceding removed adapters: A: 48.2% C: 11.3% G: 5.9% T: 34.6% none/other: 0.0% Overview of removed sequences length count expect max.err error counts 1 9000162 10584211.2 0 9000162 2 12631 2646052.8 0 12631 3 230974 661513.2 0 230974 4 124965 165378.3 0 124965 5 677 41344.6 0 677 6 15 10336.1 0 15 7 3 2584.0 0 3 8 2 646.0 0 2 9 4 161.5 0 0 4 10 44 40.4 1 0 44 11 25 10.1 1 0 25 12 2 2.5 1 0 2 RUN STATISTICS FOR INPUT FILE: zr3644_8_2.fastq.gz ============================================= 42336845 sequences processed in total Total number of sequences analysed for the sequence pair length validation: 42336845 Number of sequence pairs removed because at least one read was shorter than the length cutoff (20 bp): 17083 (0.04%)