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Invitrogen™ One Shot™ MAX Efficiency™ DH10B T1 Phage-Resistant Cells Non-distribution product as customer accommodation. Available on GSA/VA Contract for Federal Government customers only.

Ideal for generating cDNA or genomic libraries due to high transformation efficiency

Manufacturer:  Invitrogen™ 12331013

Catalog No. 12-331-013

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DH10B T1 Phage-Resistant E. colihave all the benefits of the DH10B genotype, with the addition of the tonA genotype which confers resistance to T1 and T5 phage infection. The inclusion of the tonA genotype protects your valuable samples and minimizes the possibility of downtime in your lab due to phage contamination.

  • tonA genotype to confer resistance to T1 and T5 phage
  • Elimination of mcrA, mcrBC, mrr, and hsdRMS restriction systems to allow construction of more representative genomic libraries
  • The endA1 mutation to increase plasmid yield and quantity
  • ZΔM15 for blue/white screening of recombinant clones
  • DH10B-T1R E. coliare available in both electrocompetent and chemically competent formats
  • High efficiency transformation is seen with plasmids 150 kb in size

Not high-throughput compatible (Manual)

Cloning, Transformation

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Competent Cells
One Shot™
High Efficiency (> 10^9 cfu⁄µg)
Chemically Competent
> 1x10^9
One Shot
E. coli
Not High-throughput Compatible (Manual)
Not Suitable for preparing unmethylated DNA
Not Suitable for cloning unstable DNA
Lacks F' Episome
Not for ccdB vector propagation
Safety and Handling

Safety and Handling

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For Research Use Only. Not for use in diagnostic procedures.