Escherichia coli TOP10(B646L gene in pet-20b(+)|BNCC356252 |BNCC

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Escherichia coli TOP10(B646L gene in pet-20b(+)

Culture medium	LB + 50mcg/ml ampicillin: yeast extract 5.0g, peptone 10.0g,NaCl 10.0g, distilled water 1.0L,pH 7.0. Sterilization at 121 ℃ for 15min. After sterilization, ampicillin was added when the culture medium was cooled to 40-50 ℃ with a concentration of 50mcg/ml.
Subculture procedure	(1) Prepare a test tube containing 5~10mL of liquid medium and 2 plates; (2) open it in the biosafety cabinet, heat the tip of ampoule in a flame, quickly drop sterile water to creak it, then break it with forceps; (3) draw 0.5mL of liquid culture medium into a freeze dried ampoule, fully rehydrate and transfer the solution to the liquid test tube, mix evenly; (4) inoculate a plate with 0.2mL of suspension liquid, repeat the step to obtain two plates; ⑤ Put all the liquid test tubes and plates under the above culture conditions for cultivation, and the strains can be used when they grow.
Growth conditions	37 ℃;18-24h; Aerobic;
Storage conditions	Liquid nitrogen
application	The B646L gene plasmid can be extracted for positive control of African swine fever nucleic acid detection. The length of B646L gene is 1947bp.
Sharing mode	Public welfare sharing