Bifidobacterium bifidum - 715198 Bifidobacterium bifidum Yakult YIT 4001 - 715198 Escherichia coli - 714379, 715376, 716899 Haloferax volcanii - 716902 Haloferax volcanii DSM 3757 - 716902 Haloferax volcanii H26 - 716902 no activity in Bifidobacterium bifidum strain Yakult YIT 4007 - 715198 Pyrococcus furiosus - 730948 Salmonella enterica serovar typhimurium 715376