SUMMARISING RUN PARAMETERS ========================== Input filename: zr3644_19_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_19_2.fastq.gz Processing single-end reads on 8 cores ... Finished in 181.025 s (3.722 µs/read; 16.12 M reads/minute). === Summary === Total reads processed: 48,641,567 Reads with adapters: 10,698,385 (22.0%) Reads written (passing filters): 48,641,567 (100.0%) Total basepairs processed: 5,104,109,532 bp Quality-trimmed: 1,449,787 bp (0.0%) Total written (filtered): 5,090,975,285 bp (99.7%) === Adapter 1 === Sequence: AGATCGGAAGAGC; Type: regular 3'; Length: 13; Trimmed: 10698385 times Minimum overlap: 1 No. of allowed errors: 1-9 bp: 0; 10-13 bp: 1 Bases preceding removed adapters: A: 48.1% C: 11.3% G: 6.0% T: 34.6% none/other: 0.0% Overview of removed sequences length count expect max.err error counts 1 10272320 12160391.8 0 10272320 2 13188 3040097.9 0 13188 3 267040 760024.5 0 267040 4 145073 190006.1 0 145073 5 650 47501.5 0 650 6 16 11875.4 0 16 7 3 2968.8 0 3 8 2 742.2 0 2 9 4 185.6 0 1 3 10 48 46.4 1 0 48 11 39 11.6 1 0 39 12 2 2.9 1 0 2 RUN STATISTICS FOR INPUT FILE: zr3644_19_2.fastq.gz ============================================= 48641567 sequences processed in total Total number of sequences analysed for the sequence pair length validation: 48641567 Number of sequence pairs removed because at least one read was shorter than the length cutoff (20 bp): 19087 (0.04%)