Genomic DNA from Serratia liquefaciens S620 was fragmented by Covaris sonication, followed by end repair and A/B adapter ligation. Fragments of ~400 bp with dual adapters were size-selected via agarose gel electrophoresis. DNA was denatured into single strands, bridge PCR was conducted on flow cell to generate DNA clusters, and paired-end 150 bp sequencing was performed on Illumina NovaSeq 6000 platform