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Competent Cells

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.
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1 – 15 de 93 résultats
1

Thermo Scientific™ DH5α Competent Cells

Chemically competent E. coli cells recommended for routine subcloning into plasmid vectors. Subcloning efficiency cells are not suitable for the generation of cDNA libraries.

2

Invitrogen™ One Shot™ TOP10 Chemically Competent E. coli  DFS Item

One Shot TOP10 Chemically Competent E. coli are ideal for high-efficiency cloning and plasmid DNA propagation and are provided at a transformation efficiency of 1 x 109 cfu/μg plasmid DNA.

Résistance aux antibiotiques des bactéries Yes (Streptomycin)
Clonage d’ADN méthylé Yes (mcrA)
Type de produit Chemically Competent Cells
Plasmide High Copy Plasmid
Résistant au phage T1 (tonA) No
Espèces E. coli (K12)
Conditions d’expédition Dry Ice
Compatibilité à haut débit Low
Format Tube
Sélection bleue / blanche Yes (lacZΔM15)
Niveau d’efficacité de la transformation High Efficiency (>1 x 109 cfu/μg)
Gamme de produits One Shot
Contient l’épisome F No
Réduit la recombinaison Yes (recA1)
Améliore la qualité des plasmides Yes (endA1)
Préparation de l’ADN non méthylé No
3

Thermo Scientific™ DH5α Competent Cells; High Efficiency

High efficiency, chemically competent E. coli cells ideal for construction of gene banks or generation of cDNA libraries using plasmid-derived vectors

4

Invitrogen™ Subcloning Efficiency™ DH5α Competent Cells  DFS Item

Subcloning Efficiency DH5α Competent Cells are a versatile, chemically competent strain for cloning that provides a transformation efficiency of >1 x 106 cfu/μg plasmid DNA.

5

MilliporeSigma™ Novagen™ NovaBlue Singles™ Competent Cells

NovaBlue Singles Competent Cells are designed for ultimate convenience and reliability in plasmid transformation.

Efficacité Guaranteed efficiency: >1.5 x 108 cfu/μg
Contenu et stockage ≤-70°C
6

Thermo Scientific™ BL21(DE3) Competent Cells

Suitable for the expression of non-toxic heterologous genes. The strain contains the lambda DE3 prophage that carries the gene for T7 RNA polymerase under control of a lacUV5 promoter, allowing expression of the T7 RNA polymerase to be induced with IPTG.

7

Invitrogen™ MAX Efficiency™ DH5α Competent Cells  DFS Item

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.

8

Invitrogen™ Library Efficiency™ DH5α Competent Cells  DFS Item

Library Efficiency DH5α Competent Cells are a versatile strain of chemically competent cells that are used in many everyday cloning applications.

9

Invitrogen™ MAX Efficiency™ DH10Bac Competent Cells  DFS Item

Capable of supporting site-specific recombination between pFastBac™ and bMON14272

10

Invitrogen™ MAX Efficiency™ Stbl2™ Competent Cells  DFS Item

MAX Efficiency Stbl2 Competent Cells are high-efficiency chemically competent cells specifically designed for cloning unstable inserts.

11

MilliporeSigma™ Novagen™ Origami™ 2 (DE3) Competent Cells

Origami 2 strains have mutations in glutathione reducatase (gor) and thioredoxin reductase (trxB), facilitating proper disulfide bond formation.

Efficacité Guaranteed efficiency: >2 x 106 cfu/μg
Contenu et stockage ≤-70°C
12

MilliporeSigma™ Novagen™ Rosetta™ 2(DE3)pLacI Competent Cells

Rosetta strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli. Contains the pLacI plasmid producing extra Lac repressor.

Efficacité Guaranteed efficiency: 2 x 106 cfu/μg
Contenu et stockage ≤-70°C
13

MilliporeSigma™ Novagen™ Rosetta™ 2 (DE3) Singles Competent Cells

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

Efficacité Guaranteed efficiency: >2 x 106 cfu/μg
Contenu et stockage ≤-70°C
14

MilliporeSigma™ Novagen™ Rosetta™ 2 (DE3) Competent Cells

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

Efficacité Guaranteed efficiency: >2 x 106 cfu/μg
Contenu et stockage ≤-70°C
15

G-Biosciences 5-alpha Chemically Competent Cells  DFS Item

5-alpha Chemically competent cells are a derivative of the popular DH5a.

Format Vial
Type de produit Competent Cells
Stérilité Sterile
Espèces E. coli
À utiliser avec (application) DNA Transformation