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. 2023 Feb 9;4(1):102091. doi: 10.1016/j.xpro.2023.102091

Super optimal broth (SOB)

Reagent Final concentration Amount
Tryptone 2.0% 20 g
Yeast extract 0.5% 5 g
NaCl 10.0 mM 0.584 g
KCl 2.5 mM 0.186 g
MgSO4 20.0 mM 2.4 g
Ultrapure water Up to 1 L
Total 1 L