Competent Cells
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.
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.
Invitrogen™ One Shot™ BL21-AI™ Chemically Competent E. coli
One Shot BL21-AI Chemically Competent E. coli cells are designed for applications that require tight regulation and strong expression of toxic proteins from any T7-promoter-based expression systems.
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™ TOP10F' Chemically Competent E. coli
One Shot TOP10F' Chemically Competent E. coli are identical to TOP10 cells, with the addition of an F' episome.
Invitrogen™ MultiShot™ StripWell Stbl3™ Competent Cells
MultiShot StripWell Stbl3 Chemically Competent E. coli cells are cloning competent cells designed for cloning direct repeats found in lentiviral expression vectors.
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™ 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™ TOP10 Chemically Competent E. coli
MultiShot TOP10 Chemically Competent E. coli cells are derived from DH10B and are one of the most popular laboratory strains.
MilliporeSigma™ Novagen™ Rosetta-gami™ B (DE3) pLacI Competent Cells
Rosetta-gami B strains combine the key features of BL21, Origami, and Rosetta to enhance the expression of eukaryotic proteins. Contains the pLacI plasmid producing extra Lac repressor.
MilliporeSigma™ Novagen™ NovaBlue T1R Singles™ Competent Cells
Featuring T1 and T5 phage resistance
MilliporeSigma™ Novagen™ Origami™ 2(DE3) Singles™ Competent Cells
Origami 2 strains have mutations in glutathione reducatase (gor) and thioredoxin reductase (trxB), facilitating proper disulfide bond formation.
MilliporeSigma™ Novagen™ BLR (DE3) pLysS Competent Cells
BLR is a recA derivative of BL21 that improves plasmid monomer yields and may help stabilize target plasmids containing repetitive sequences. T7 lysozyme expression suppresses basal T7 expression.
Invitrogen™ MAX Efficiency™ DH10B Competent Cells
MAX Efficiency DH10B Competent Cells are highly efficient E. coli suitable for a variety of molecular biology applications. This strain is one of the most commonly used strains for everyday applications due to key strain features such as high transformation efficiency.
MilliporeSigma™ Novagen™ Rosetta™ Competent Cells
Rosetta host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli.