Chemically modified bacterial cells capable of uptaking DNA from the environment via transformation. Competent cultures of E. coli are used in the lab for various procedures including cloning, protein expression, and genetic library creation.
TOP10 Electrocomp E. coli cells are provided at a transformation efficiency of 1 x 1010 cfu/μg supercoiled DNA and are ideal for high-efficiency cloning and plasmid propagation.
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MAX Efficiency DH5α T1R Phage-Resistant Competent Cells are high efficiency chemically competent cells for generating cDNA libraries and were developed to confer resistance to the lytic bacteriophages T1 and T5.
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BL21 host strain that expresses T7 RNA polymerase and also encode T7 lysozyme that suppresses basal expression of toxic target proteins prior to induction.
Useful host for transformation of pGEM Vectors and production of ssDNA from M18 or phagemid vectors. JM109 is recA- and lacks the E. coli K restriction system. Can be used for blue/white screening.
One Shot Mach1 T1 Phage-Resistant Chemically Competent E. coli are the fastest growing chemically competent cells with a doubling time approximately 50 minutes.
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High efficiency, chemically competent E. coli cells. The DH10B strain is suitable for cloning DNA containing methylcytosine, 5-hydroxymethylcytosine, and methyladenine, allowing both prokaryotic and eukaryotic genomic DNA to be cloned efficiently.
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One Shot PIR2 Chemically Competent E. coli cells are for use with vectors that contain the R6Kγ origin of replication (e.g., pUni/V5-His-TOPO for recombination with an Echo cloning system).
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The One Shot OmniMAX 2 T1RE. coli strain is an improved chemically competent cell line that can achieve extremely high transformation efficiency of >5 x 109 transformants/μg pUC19 DNA. It offers the highest transformation efficiency of any chemically competent cells in a One Shot format.
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MultiShot FlexPlate TOP10 chemically competent E. coli cells are cloning competent cells that are pre-aliquoted in a 96-well PCR plate to increase transformation productivity.
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MAX Efficiency™ DH5α Competent Cells are a well-known, versatile strain that is used in many everyday cloning applications. Prepared by a proprietary modification of the Hanahan method, these cells are suitable for high efficiency transformations in applications where low amount of DNA is used or to construct libraries using plasmid-derived vectors.
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