SUMMARISING RUN PARAMETERS ========================== Input filename: zr3644_15_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_15_2.fastq.gz Processing single-end reads on 8 cores ... Finished in 219.451 s (3.755 µs/read; 15.98 M reads/minute). === Summary === Total reads processed: 58,435,477 Reads with adapters: 12,899,394 (22.1%) Reads written (passing filters): 58,435,477 (100.0%) Total basepairs processed: 6,162,906,442 bp Quality-trimmed: 1,645,680 bp (0.0%) Total written (filtered): 6,147,193,745 bp (99.7%) === Adapter 1 === Sequence: AGATCGGAAGAGC; Type: regular 3'; Length: 13; Trimmed: 12899394 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 12395155 14608869.2 0 12395155 2 14341 3652217.3 0 14341 3 317980 913054.3 0 317980 4 170941 228263.6 0 170941 5 854 57065.9 0 854 6 14 14266.5 0 14 7 3 3566.6 0 3 8 1 891.7 0 1 9 5 222.9 0 1 4 10 55 55.7 1 0 55 11 42 13.9 1 0 42 12 3 3.5 1 0 3 RUN STATISTICS FOR INPUT FILE: zr3644_15_2.fastq.gz ============================================= 58435477 sequences processed in total Total number of sequences analysed for the sequence pair length validation: 58435477 Number of sequence pairs removed because at least one read was shorter than the length cutoff (20 bp): 21296 (0.04%)