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1540 Induction Base Medium, Condalab

1540 Condalab

Induction Base Medium is a specialized microbiological medium designed for the maintenance and propagation of Escherichia coli strains containing the PL promoter, specifically strains GI724, GI826, and GI698. It is primarily used in molecular biology for the controlled expression of recombinant proteins.

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This medium provides a defined nutrient environment optimized for the PL expression system. The PL promoter is a powerful, regulated promoter from bacteriophage lambda. In specific E. coli host strains, expression from this promoter can be tightly controlled by the composition of the medium. Induction Base Medium contains Casamino acids to provide essential amino acids and Ammonium chloride as a nitrogen source. The balanced phosphate buffer system (Disodium and Monopotassium phosphate) maintains a stable pH, which is critical for both the growth of the host cells and the stability of the induction process.

Advantages

  • Optimized for PL Promoter: Specifically formulated to support the GI724, GI826, and GI698 E. coli lineage.
  • Controlled Expression: Facilitates the transition from biomass accumulation to the induction phase in recombinant protein production.
  • High Purity: Uses Casamino acids to ensure a consistent supply of nitrogenous compounds without the variability of complex extracts.
  • Reliable Preparation: Ideal for the preparation and recovery of competent cells in molecular biology workflows.
  • Defined Composition: The mineral-salt base ensures reproducible growth characteristics for industrial and research applications.

Technical specifications

Catalogue number 1540
Brand Condalab
Target Organisms E. coli (GI724, GI826, GI698)
Typical Composition (g/L) Disodium phosphate (6.0); Monopotassium phosphate (3.0); Casamino acids (2.0); Ammonium chloride (1.0); Sodium chloride (0.5); Magnesium chloride (0.095)
Final pH 7.0 ± 0.2
Preparation 12.6 g/L
Storage Temperature 2 – 25 °C

Available packaging options

1540 500 g plastic bottle
Chemical type Microbial Culture Media
Brand Condalab
Pack size 500 g