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S1615

SOB Medium, 1000mL, Sterile.

Availability

Ships in 6 - 14 Days

Container Size

1000mL

Item Count

1 Bottle(s)

Price per Item

$88.00

Fill Volume

1000 mL

S1615

SOB Medium, 1000mL, Sterile.

Quantity

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Description
Formulation
Common Applications
Storage

SOB Medium is a nutrient-rich broth used for the cultivation of E. coli and for recovery steps associated with transformation workflows. The formulation provides peptides, amino acids, vitamins, and a defined balance of sodium, potassium, and magnesium ions suited to bacterial growth and handling of competent cells.

When supplemented with 20 mM glucose, SOB forms SOC for post-transformation outgrowth. Antibiotics are not included and may be added as required for selection.

  • 0.5% Yeast Extract
  • 2.0% Tryptone
  • 0.058% Sodium Chloride
  • 0.019% Potassium Chloride
  • 0.203% Magnesium Chloride
  • 0.246% Magnesium Sulfate
  • High-Efficiency Transformation of Escherichia coli: Used to prepare and recover chemically competent cells for maximal DNA uptake.

  • Post-Transformation Outgrowth: Supports rapid recovery of transformed Escherichia coli prior to antibiotic selection.

  • Plasmid Cloning and Library Amplification: Provides robust growth during ligation/transformation workflows and library expansion.

  • M13/Phagemid Propagation: Facilitates amplification of filamentous phage and phagemids for phage display and sequencing workflows.

  • Starter Cultures for Plasmid Preparation: Used to generate healthy inocula for high-yield miniprep/midiprep/maxiprep workflows.

  • Electroporation Recovery: Serves as a recovery medium for electroporated Escherichia coli cells.

  • Screening Workflows: Supports outgrowth prior to blue-white and antibiotic selection plating.

  • Protein Expression Pre-Cultures: Employed to establish vigorous pre-cultures of recombinant Escherichia coli for downstream expression in richer media.

Storage Temperature
Room Temperature
Shelf Life
730 days
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