---+++ LB Agar: Lysogeny Broth Combine in a 2 L flask the following: | *1.5L* | *Component* | | 15 g | Tryptone | | 7.5 g | Yeast Extract | | 15 g | NaCl | | 24 g | Agar | | 1.5 ml | 5% Antifoam | Add dH<sub>2</sub>O to 1.5 L. Autoclave. *Notes and variations:* * [[http://en.wikipedia.org/wiki/Lysogeny_broth][Common synonyms]] are Luria-Broth and Luria-Bertani medium. * This is the "Miller" formulation of LB. Another common formulation has only 5 g <nop>NaCl per liter!* * If you are performing _sacB_ counter-selection, you may need to use even lower salt concentrations. * To make "soft" agar for phage studies, use only 7 g agar per liter.
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Topic revision: r5 - 2013-09-03 - AlvaroRodriguez