1、Grow an overnight culture from a single colony in 2 mls LB + antibiotic. 2、Transfer 1.5 mls of culture to eppendorf tube.Spin for 1 minute on high and remove supernatant. 3、Add 700 µl STET. Add 25 µl lysozyme stock solution.Vortex to resuspend pellet.Place tubes on ice for 5-10 minutes. 4、Boil tubes for 1 minute. 5、Spin in microfuge for 10 minutes. 6、Pull out snot pellet with a toothpick. 7、Add 700 µl of room temperature isopropanol.Mix tubes by inversion. 8、Spin in a microfuge for 10 minutes.A small white/clear pellet will form. 9、Remove supernatant.Wash with 70% ethanol. 10、Dry pellet and resuspend in 50µl water containing 20 µg/ml RNase A. STET Lysozyme Stock Solution (10 mg/ml) |
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