SUMMARISING RUN PARAMETERS ========================== Input filename: zr3644_23_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_23_2.fastq.gz Processing single-end reads on 8 cores ... Finished in 151.686 s (3.801 µs/read; 15.78 M reads/minute). === Summary === Total reads processed: 39,902,509 Reads with adapters: 8,756,139 (21.9%) Reads written (passing filters): 39,902,509 (100.0%) Total basepairs processed: 4,174,401,309 bp Quality-trimmed: 1,068,818 bp (0.0%) Total written (filtered): 4,163,776,556 bp (99.7%) === Adapter 1 === Sequence: AGATCGGAAGAGC; Type: regular 3'; Length: 13; Trimmed: 8756139 times Minimum overlap: 1 No. of allowed errors: 1-9 bp: 0; 10-13 bp: 1 Bases preceding removed adapters: A: 48.1% C: 11.4% G: 5.9% T: 34.6% none/other: 0.0% Overview of removed sequences length count expect max.err error counts 1 8411031 9975627.2 0 8411031 2 10054 2493906.8 0 10054 3 216481 623476.7 0 216481 4 117892 155869.2 0 117892 5 603 38967.3 0 603 6 6 9741.8 0 6 7 4 2435.5 0 4 8 2 608.9 0 2 9 1 152.2 0 0 1 10 35 38.1 1 0 35 11 29 9.5 1 0 29 12 1 2.4 1 0 1 RUN STATISTICS FOR INPUT FILE: zr3644_23_2.fastq.gz ============================================= 39902509 sequences processed in total Total number of sequences analysed for the sequence pair length validation: 39902509 Number of sequence pairs removed because at least one read was shorter than the length cutoff (20 bp): 15835 (0.04%)