Super Optimal Broth

Super Optimal Broth is a nutrient-rich bacterial growth medium used for microbiological culture, generally of Escherichia coli. This nutrient-rich microbial broth contains peptides, amino acids, water soluble vitamins and glucose in a low-salt formulation. It was developed by Douglas Hanahan in 1983 and is an adjusted version of the commonly used LB medium. Growth of E. coli in SOB or SOC medium results in higher transformation efficiencies of plasmids. SOC medium can also be used to regenerate Klebsiella oxytoca strains for the improved transformation efficiency.

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