BeNa Culture Collection

  • Escherichia coli XL1-Blue-BNCC

Escherichia coli XL1-Blue

  • Price: $108
  • number:BNCC353805
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Essential Information Certificate Related Products
Escherichia coli XL1-Blue
Culture medium Base medium (LB): yeast extract 5.0g, peptone 10.0g,NaCl 10.0g, distilled water 1.0L,pH 7.0. Sterilization at 121 ℃ for 15min.
Subculture procedure 1. Prepare 1 sterile test tube of 5~10mL of liquid medium and 2 pieces of 90mm plates; 2. sterilizing of the penicillin-bottle, under aseptic conditions remove the aluminium cap and rubber plug, draw 0.5ml of liquid culture medium into the vial, blow to dissolve the bacterial tablets; 3. fully dissolved, transfer the solution to the liquid test tube, mix evenly; 4. inoculate a plate with the solution, distribute it well in 200ml/plate; 5. Put all the plates and test tubes under the above culture conditions for cultivation, the plates are not allowed to seal by wrapping. The culture solution is obviously turbid after 18-24 hours, and this indicates the bacterial grows well; 6. If it does not grow in 18-24 hours, culture is continued until 72 hours is reached. And the strains can be used when they grow.
Growth conditions 37 ℃;18-24h; Aerobic
Storage conditions -20 ℃
application For gene cloning (with tetracycline resistance)
Sharing mode Public welfare sharing

Escherichia coli XL1-Blue

No. : 353805

Product format: tablets in penicillin bottle

Storage conditions : -20 ℃

Biosafety  level :  1

Validity period: 5 years

Use : Used for gene cloning (with tetracycline resistance)

Notes: if any abnormality is found on the day of receipt, please contact the customer service within 24 hours. The bacterial tablets shall be used up once and shall not be retained once the penicillin bottled is opened. Keep it at -20℃ for storage if it is not used.  Please operate in strict accordance with this instruction, otherwise the replacement of bacteria are not be available in case of aberrant growth and lose of viability.

Recovery steps:
(1)Prepare a sterile test tube of 5-10ml liquid medium and 2 pieces of 90mm plates;  
(2)Sterilizing of the penicillin-bottle, under aseptic conditions remove the aluminium cap and rubber plug, draw 0.5ml of liquid culture medium into the vial, aspirate to dissolve the bacterial tablets.
(3)Fully dissolved, transfer the solution to the liquid test tube, mix evenly; 
(4)Inoculate a plate with 0.2ml of the solution, distribute it well in 200ml/plate; 
(5)Put all the plates and test tubes under the above culture conditions for cultivation, the plates are not allowed to seal by wrapping. The culture solution is obviously turbid after 18-24 hours, and this indicates the bacterial grows well.
(6) If it does not grow in 18-24 hours, culture is continued until 72 hours is reached. And  the strains can be used when they grow

Growth conditions Temperature: 37 ℃ Gas environment: Aerobic time: 18-24h

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