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TransforMax™ EPI300™-T1R Chemically Competent E.coli

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TransforMax™ EPI300™-T1R Chemically Competent E.coli

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产品名称:

TransforMax™ EPI300™-T1R Chemically Competent E.coli

货号
CT1C0210
规格
10 x 50 μl
存储温度
-70℃
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产品描述

Applications

  • Construction of inducible-copy-number genomic libraries using the CopyControl™ Cloning System, with clones that are resistant to contaminating phage T1 and T5.

Phage T1-Resistant TransforMax™ EPI300™-T1R E. coli have all the benefits of the highly versatile TransforMax EPI300™ E. coli competent cells with the addition of being resistant to bacteriophages T1 and T5 (tonA genotype). Once introduced into the lab environment, bacteriophage T1 rapidly lyses E. coli strains that are commonly used in cloning applications and results in significant lab downtime and the loss of valuable clones. Bacteriophage T1 is particularly difficult to eliminate from the lab and can lay dormant for many years. The tonA genotype protects the phage T1-resistant TransforMax EC100-T1R cells and valuable clones from attack by bacteriophage T1.

Like the standard TransforMax EPI300 E. coli, this strain has been specially engineered for use with EPICENTRE's CopyControl™ Cloning Systems.* The cells contain an inducible mutant trfA gene whose gene product is required for initiation of replication from the oriV contained on the CopyControl pCC1™ Vectors or on clones that have been retrofitted with CopyControl capability using the EZ-Tn5™<oriV/KAN-2> Insertion Kit. This process allows TransforMax EPI300-T1R E. coli to maintain CopyControl vectors at single copy until induction occurs immediately before DNA purification.

Benefits

  • tonA for resistance to bacteriophages T1 and T5.
  • trfA gene under tight control of an inducible promoter for copy-number control of CopyControl clones and clones retrofitted with the EZ-Tn5<oriV/KAN-2> Transposon.
  • High transformation efficiency of both large and small clones.
  • lacZΔM15 for blue/white screening of recombinants.
  • Readily accepts large DNAs for construction of large-insert genomic libraries.
  • Restriction minus [mcrA, Δ(mrr-hsdRMS-mcrBC)] enables efficient cloning of methylated DNA.
  • Endonuclease minus (endA1) to ensure high yields of DNA.
  • Recombination minus (recA1) for greater stability of large cloned inserts.

Genotype

F- mcrA Δ(mrr-hsdRMS-mcrBC) Φ80dlacZΔM15 ΔlacX74 recA1 endA1 araD139 Δ(ara, leu)7697 galU galK λ- rpsL (StrR) nupG trfA tonA

*Covered by issued and/or pending patents.

 

Catalog No. Size

TransforMax™ EPI300™-T1R Electrocompetent E. coli
   EC02T15 5 x 100 µl
   EC02T110 10 x 100 µl
Includes pUC19 control DNA.

TransforMax™ EPI300™-T1R Chemically Competent E. coli
   CT1C0210 10 x 50 µl
Includes pUC19 control DNA.

CopyControl™ Induction Solution
   CCIS125 25 ml
1,000X concentrated solution. Filter sterilized.

 

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