fermented grains
The ribosomal RNA of bacteria and fungi were removed by Ribo-ZeroTM rRNA Removal Kits (Bacteria) and Ribo-ZeroTM Magnetic Gold Kit (Yeast) (Epicentre, San Diego, CA, United States) respectively after the samples passed the test. The construction and sequencing of the library were completed on the Illumina Hiseq 2500 (Illumina, San Diego, CA, United States) platform of Beijing Allwegene Technology Co., Ltd.