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Selection Antibiotic Solutions

For stable cell line generation

To inquire about bulk pricing, please call 888-530-0801
International inquiries please call +1-608-441-2852
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Choose a Product:

G418 Sulfate Antibiotic SolutionHygromycin B Antibiotic SolutionPuromycin Dihydrochloride Antibiotic Solution

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MIR 592010 ml (50 mg/ml in DI water)

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Mirus offers high quality cell culture grade selection antibiotics with the following features:

  • Ease of use – Sterile filtered ready-to-use stock solutions for stable cell line generation
  • High Purity – Greater than 90% purity determined by HPLC
  • High Potency – In combination with high purity ensures better selection at optimal concentrations

Stable cell line generation allows for sustained expression of an exogenous gene which is commonly enriched and maintained through the use of selection antibiotics such as G418, Hygromycin B, Puromycin, etc. Resistance to these antibiotics is conferred through the expression of a positive selection gene: neomycin resistance (neo), hygromycin resistance (hph) and puromycin-N-acetyl-transferase (pac) genes, respectively.

Selection markers can be delivered using the same plasmid (in cis) that contains the gene of interest, or on a separate plasmid (in trans) that needs to be co-transfected with the plasmid containing the gene of interest. For a detailed protocol, please visit our Stable cell line generation web page.

Looking for cell culture antibiotics? Mirus also offers Cell Culture Antibiotics for prevention of contamination.

Figures and Data

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G418 Sulfate Structure

G418 Sulfate for Stable Cell Line Generation. G418 Sulfate is routinely used for positive selection of cells that express the neo gene encoding neomycin phosphotransferase. This occurs as only cells that have successfully integrated the neo gene can express the positive selection marker. The optimum concentration for selection is cell-type dependent; performing a kill curve is recommended with each new cell type or different antibiotic lot. Recommended concentration for the selection of mammalian cells that are resistant to G418 is 100-2000 µg/ml for mammalian cells.

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Hygromycin B Structure

Hygromycin B for Stable Cell Line Selection. Hygromycin B is an aminoglycoside antibiotic that is used for the positive selection and maintenance of mammalian cells transfected with the E. coli hygromycin resistance gene. This occurs as only cells that have successfully integrated the hygromycin resistance gene can express the positive selection marker. The optimum concentration for selection is cell-type dependent; performing a kill curve is recommended with each new cell type or different antibiotic lot. Recommended concentration for the selection of mammalian cells that are resistant to Hygromycin B is 100-500 µg/ml for mammalian cells.

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Puromycin Dihydrochloride Structure

Puromycin for Stable Cell Line Selection. Puromycin is an aminoglycoside antibiotic that is used for the positive selection and maintenance of mammalian cells transfected with vectors that express puromycin-N-acetyl-transferase (PAC). This occurs as only cells that have successfully integrated the PAC gene can express the positive selection marker. The optimum concentration for selection is cell-type dependent; performing a kill curve is recommended with each new cell type or different antibiotic lot. Recommended concentration for the selection of mammalian cells that are resistant to Puromycin 0.5 - 10 µg/ml for mammalian cells.

Resources

Specifications

Storage Conditions:
G418 Sulfate Antibiotic Solution: Store at 4°C
Hygromycin B Antibiotic Solution: Store at 4°C
Puromycin Dihydrochloride Antibiotic Solution: Store at -20°C

Product Guarantee:
All Configurations: As labeled on the product

Usage Statement:
All Configurations: For Research Use Only.

Animal Origin Statement:
All Configurations: This product is animal origin free.

Technical Product Literature

Quick Reference Protocols

G418 Solution Quick Ref Protocol
Hygromycin B Quick Ref Protocol
Puromycin Solution Quick Ref Protocol

SDS

G418 Solution SDS
Hygromycin B SDS
Puromycin Solution SDS


Additional Resources

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Where can I find the Lot Number?

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Testimonials

Excellent technical support, they are very knowledgeable.
He Song Sun
University of Toronto Scarborough - Cell and Molecular Biology