TransforMax™ EPI300™ Chemically Competent E. coli/TransforMax™ EPI300™化学感受态大肠杆菌

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TransforMax™ EPI300™ Chemically Competent E. coli/TransforMax™ EPI300™化学感受态大肠杆菌

货号:C300C105

规格:10 rxns

价格:2538

产品类型:感受态细胞

品牌:Lucigen

TransforMax™ EPI300™ E. coli have been specifically engineered for use with Lucigen’s CopyControl™ Cloning Systems. The cells contain a mutant trfA gene, whose protein product is required for initiation of replication from the oriV origin of replication contained on the CopyControl vectors. The trfA gene is under tightly regulated control of an inducible promoter. When grown on standard LB plates or in LB or SOC culture medium, expression of the trfA gene is repressed. Addition of the CopyControl Induction Solution (provided with the cells) induces expression of the trfA gene and subsequent utilization of the oriV origin of replication and high copy amplification of the CopyControl fosmid clones. TransforMax™EPI300™大肠杆菌是专门设计用于Lucigen的CopyControl™克隆系统的。 细胞包含一个突变的trfA基因,其蛋白产物是从CopyControl载体上包含的oriV复制起点开始复制所必需的。 trfA基因在诱导型启动子的严格调控下。 当在标准LB平板上或LB或SOC培养基中生长时,tlfA基因的表达受到抑制。 添加CopyControl诱导溶液(随细胞提供)可诱导trfA基因表达,并随后利用oriV复制起点和CopyControl fosmid克隆的高拷贝扩增。
优点:
▪ Clone large inserts and transform large plasmids - up to at least 145 kb plasmid DNA.▪ Generate clones with inducible copy number using CopyControl™ vectors.▪ Achieve high transformation efficiencies: >1 × 1010 cfu/µg pUC19 DNA.▪ Increase Gibson Assembly® colony counts with high-efficiency electroporation

▪ 克隆大插入片段并转化大质粒-至少145 kb质粒DNA。▪ 使用CopyControl™向量生成具有可诱导拷贝数的克隆。▪ 实现高转化效率:> 1×10^10 cfu / µg pUC19 DNA。▪ 通过高效电穿孔增加GibsonAssembly®菌落数。

技术参数

产品优点 - Clone large inserts and transform large plasmids - up to at least 145 kb plasmid DNA.- Generate clones with inducible copy number using CopyControl™ vectors.- Achieve high transformation efficiencies: >1 × 10^10 cfu/µg pUC19 DNA.- Increase Gibson Assembly® colony counts with high-efficiency electroporation- 克隆大插入片段并转化大质粒-至少145 kb质粒DNA。- 使用CopyControl™向量生成具有可诱导拷贝数的克隆。- 实现高转化效率:> 1×10^10 cfu / µg pUC19 DNA。- 通过高效电穿孔增加GibsonAssembly®菌落数。

产品应用 - Mutant trfA gene under tightly regulated control of an inducible promoter for complete copy number control of CopyControl clones. - Supports blue/white screening of vectors expressing the LacZ′ α-complementing peptide. - Restriction minus for efficient cloning of methylated genomic (e.g. mammalian genomic) DNA.- Endonuclease minus (endA1) to ensure high yields of clones. - Recombination minus (recA1) to ensure the stability of large cloned inserts.- 严格控制可诱导启动子控制的突变体trfA基因,可完全控制CopyControl克隆的拷贝数。- 支持对表达LacZ'α互补肽的载体进行蓝/白筛选。- 有效克隆甲基化基因组(例如哺乳动物基因组)DNA的限制性酶减。- 核酸内切酶负(endA1)可确保高产量的克隆。- 重组减去(recA1)可确保大克隆插入片段的稳定性。

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