ATCC medium: 148 Sorangium medium
KNO3 ......................... 1.0 g
K2HPO4 ....................... 1.0 g
MgSO4 ........................ 0.2 g
CaCl2 ........................ 0.1 g
FeCl3 ........................ 0.02 g
Agar........................ 10.0 g
Tap water.................... 1.0 L
Aseptically add a strip of filter paper to slants and broth. For plates, add 4-6 strips of filter paper to each surface.