SOB MEDIA
Stock Solution
     
    Bacto Tryptone
    Yeast Extract
    NaCl
    Deionized H2O

    * Total Volume:

    20.0 g
    5.0 g
    0.5 g
    800.0 ml

    1000.0 ml


     
    • After 800 ml of dH2O is added--stir, then fill up to 1000.0 ml.
     
    • Aliquot 100 ml into (10) 200 ml square bottles
     
    • Sterlize by autoclaving 40 min in liquid cycle.


    Shake until dissolved.

    Add 10 ml of 250 mM KCl at pH 7.0
     

    KC1
    dH2O
    1.86 g
    100.0 ml

    Before use, add 5.0 ml of 2.0 mM MgCl2
     

    MgC12
    dH2O
    19.9 g
    100.0 ml