design: To prepare the library for next-generation sequencing, 1 g of each sample's Rolling Circle Amplification (RCA) product was fragmented into 300-400 bp fragments using sonication with Covaris LE220. The fragmented DNA was then recovered and a sequencing library was constructed using the MGIEasy DNA Library Preparation Kit from MGI-BGI in China. Then, the libraries of the samples were sequenced using paired-end sequencing with 150-base pair reads (PE150) on the MGISeq-2082 platform.