1. 16S_sequence_metadata.tsv
    -col1: name of MRGM
    -col2: predicted from MRGM genomes or gtdb database
    -col3: version of barrnap
    -col4: rRNA
    -col5: Length of predicted sequences
    -col6: evalue of barrnap prediction
    -col7: description of barrnap prediction
    -col8: predicteed sequences
    -col9: taxonomy classification of MRGM species