Sinorhizobium fredii USDA257 is a fast-growing rhizobium that forms nitrogen-fixing nodules on Glycine max, Glycine sojo, Neonotonia wightii, and several other legumes.
H37Rv is a virulent reference strain of Mycobacterium tuberculosis used by laboratories throughout the world for biochemical and genetic studies on tuberculosis, which was published in 1998.