FIG 1.
Putative arsK genes are conserved in bacterial ars operons. Representative ars operons containing arsK genes (purple) in As(III)-resistant bacteria. The accession numbers of bacterial genomes are NZ_AWGV00000000 (A. tumefaciens GW4), NZ_AGVZ00000000 (A. tumefaciens 5A), NZ_FO082821 (Rhizobium sp. NT-26), NZ_CP015882 (E. adhaerens), NZ_FPBI00000000 (Mesorhizobium sp. YR577), NZ_MOYL00000000 (Pseudochrobactrum sp. B5), NZ_JWJH00000000 (R. nepotum), and NZ_FMXF00000000 (Sinorhizobium sp. NFACC03).