Competent Cells
Invitrogen™ TOP10 Electrocomp™ Kit
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.
Invitrogen™ MAX Efficiency™ DH5α-T1R Competent Cells
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.
MilliporeSigma™ Novagen™ BL21(DE3) pLysS Competent Cells
BL21 host strain that expresses T7 RNA polymerase and also encode T7 lysozyme that suppresses basal expression of toxic target proteins prior to induction.
Invitrogen™ MAX Efficiency™ Stbl2™ Competent Cells
MAX Efficiency Stbl2 Competent Cells are high-efficiency chemically competent cells specifically designed for cloning unstable inserts.
MilliporeSigma™ Novagen™ Tuner™ DE3 Competent Cells
Tuner host strains are lacZY deletion mutants of BL21, which enable adjustable levels of protein expression throughout all cells in a culture.
Promega Bacterial Strain JM109
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.
Invitrogen™ One Shot™ BL21 Star™ (DE3) Chemically Competent E. coli
One Shot BL21 Star (DE3) Chemically Competent E. coli are designed for applications that require high-level expression of non-toxic recombinant proteins from low copy number, T7-promoter-based expression systems such as Champion pET vectors.
Invitrogen™ One Shot™ Mach1™ T1 Phage-Resistant Chemically Competent E. coli
One Shot Mach1 T1 Phage-Resistant Chemically Competent E. coli are the fastest growing chemically competent cells with a doubling time approximately 50 minutes.
Thermo Scientific™ DH10B Competent Cells; High Efficiency
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.
Invitrogen™ One Shot™ BL21(DE3)pLysS Chemically Competent E. coli
One Shot BL21(DE3)pLysS Chemically Competent E. coli cells are ideal for use with bacteriophage T7 promoter-based expression systems such as pRSET and pET.
Invitrogen™ One Shot™ PIR1 Chemically Competent E. coli
One Shot PIR1 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).
Invitrogen™ One Shot™ PIR2 Chemically Competent E. coli
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).
Invitrogen™ One Shot™ OmniMAX™ 2 T1R Chemically Competent E. coli
The One Shot OmniMAX 2 T1R E. 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.
Invitrogen™ BL21 Star™ (DE3)pLysS One Shot™ Chemically Competent E. coli
One Shot BL21 Star (DE3)pLysS Chemically Competent E. coli are cells designed for applications that require high-level expression of non-toxic recombinant proteins from low or high copy number vectors, such as pRSET and pET.
Invitrogen™ MultiShot™ FlexPlate DH10B T1R Competent Cells
MultiShot FlexPlate DH10B T1R chemically competent E. coli cells are cloning competent cells pre-aliquoted in a 96-well PCR plate to increase transformation productivity.