XR_3W_1 (CRX1631688; CRA024826)
The DNeasy PowerSoil Total DNA Kit (12888-100, QIAGEN, Germany) was employed to extract total DNA from 0.5 g of solid samples.  Following this, metagenomic sequencing was conducted on the Illumina NovaSeq platform by Shanghai Personal Biotechnology Co., Ltd., with sequencing depths of 20 Gb.