Competent Cells

Competent cells are those that have had their cell walls altered to render it easier to incorporate foreign DNA into their interiors. Cells are made competent by a process that uses calcium chloride and heat shock, and cells that are undergoing very rapid growth are made competent more easily than cells in other stages of growth. Factors such as transformation efficiency, genetic markers, and packaging formats will impact the time and effort required for your project, and so too its success. Choose from a number of cell types and formats to ensure optimal function.

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Rosetta™ 2 Competent Cells, Expression Strains, MilliporeSigma

Supplier: MilliporeSigma

Rosetta™ 2 host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli.

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Origami™ 2 Competent Cells, Expression Strains, MilliporeSigma

Supplier: MilliporeSigma

A common method for transformation of plasmids into E

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Rosetta-gami™ 2 Competent Cells, Expression Strains, MilliporeSigma

Supplier: MilliporeSigma

Rosetta-gami™ 2 host strains combine the advantages of Rosetta 2 and Origami 2 strains to alleviate codon bias and enhance disulfide bond formation in the cytoplasm when heterologoous proteins are expressed in E. coli.

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E. cloni® EXPRESS BL21 (DE3) Competent Cells, Biosearch Technologies

Supplier: Lucigen

E. cloni® EXPRESS BL21 (DE3) Competent Cells, Biosearch Technologies

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E. cloni® Electrocompetent Cells, Biosearch Technologies

Supplier: Lucigen

Lucigen’s E. cloni competent cells share the most useful genetic elements of standard cloning strains like DH5α™, DH10B™, JM109, TOP10, etc. and directly replace them in cloning protocols. However, E. cloni electrocompetent cells incorporate a unique manufacturing technology that increases transformation efficiency, recombinant yields, and reliability, while decreasing costs. These cells are unrivalled in quality, efficiency, and exceptionally low costs. Lucigen's E. cloni cells provide solutions for a wide range of applications at remarkably economical prices.

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Endura™ Competent Cells, Biosearch Technologies

Supplier: Lucigen

With Lucigen’s Endura Competent cells, you can clone unstable sequences with exceptionally reliable results

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Rosetta-gami™ B Competent Cells, Expression Strains, EMD Millipore

Supplier: MilliporeSigma

Rosetta-gami B strains combines the key features of BL21 (and its Tuner™ derivative), Origami, and Rosetta to enhance both the expression of eukaryotic proteins and the formation of target protein disulfide bonds in the bacterial cytoplasm.