Competent Cells
Invitrogen™ One Shot™ MAX Efficiency™ DH10B T1 Phage-Resistant Cells
One Shot MAX Efficiency DH10B T1 Phage-Resistant E. coli have all the benefits of the DH10B genotype, with the addition of the tonA (also known as fhuA) genotype for resistance to T1 and T5 phage infection.
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.
MilliporeSigma™ Novagen™ Origami™ B (DE3) pLysS Competent Cells
Origami B host strain derived from a lacZY mutant of BL21 to enable precise control of expression levels using IPTG. T7 lysozyme expression suppresses basal T7 expression.
MilliporeSigma™ Novagen™ Rosetta-gami™ B Competent Cells
Rosetta-gami B strains combine the key features of BL21, Origami, and Rosetta to enhance both the expression of eukaryotic proteins and the formation of target protein disulfide bonds.
MilliporeSigma™ Novagen™ Rosetta-gami™ B (DE3) pLysS Competent Cells
Rosetta-gami B strains combines the key features of BL21, Origami, and Rosetta to enhances the expression of eukaryotic proteins. T7 lysozyme expression suppresses basal T7 expression.
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™ BL21(DE3) Singles™ Competent Cells
BL21(DE3) is a chemically competent E. coli cell suitable for transformation and high level protein expression using a T7 RNA polymerase-IPTG induction system.
MilliporeSigma™ Novagen™ HT96™ NovaBlue Competent Cells
High-efficiency competent cells predispensed in 96-well plate for high-throughput applications
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™ Rosetta-gami™ 2 (DE3) pLacI Competent Cells
Rosetta-Gami 2 strains allows for enhanced disulfide bond formation and enhanced expression of eukaryotic proteins. Contains the pLacI plasmid producing extra Lac repressor.
Invitrogen™ ElectroMAX™ DH10B T1 Phage-Resistant Competent Cells
ElectroMAX DH10B T1 Phage-Resistant Competent Cells offer transformation efficiencies that are among the highest we offer and can exceed 1 x 1010 cfu/μg plasmid DNA in efficiency.
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™ HT96™ BL21(DE3) Competent Cells
High-efficiency competent cells predispensed in 96-well plate for high-throughput applications
Invitrogen™ MultiShot™ FlexPlate Mach1™ T1R Competent Cells
MultiShot FlexPlate Mach1 T1R chemically competent E. coli cells are exceptionally fast-growing cloning competent cells pre-aliquoted in a 96-well PCR plate to increase transformation productivity.
Promega Bacterial Strain JM109(DE3)
Used for high-level expression of genes cloned into vectors for expression of sequence downstream from the T7 promoter, if the sequence contains a ribosomal binding site. No blue/white selection.