Lambda DNA

货号：SD0011

规格：500 µg

价格：510

产品类型：质粒

品牌：Thermo Fisher

描述Thermo Scientific Lambda is a temperate Escherichia coli bacteriophage. The virion DNA is linear and double-stranded (48502 bp) with 12 bp single-stranded complementary 5’-ends. After the phage particle injects its chromosome into the cell, the chromosome circularizes by end joining. In the lytic pathway, phage genes encoding replication, lysis, and virion proteins are expressed. The chromosome replicates, and the replicas are cleaved and packaged into progeny phage particles. In the lysogenic pathway, phage gene expression is repressed, and the circular chromosome inserts into the bacterial chromosome by recombination.FeaturesPhage lambda DNA is a common substrate for restriction endonucleases and for generating DNA size marker fragments. For large scale isolation of phage DNA, cI857Sam7, a mutant carrying four known mutations, is used. The DNA sequence used to construct a phage alpha restriction map includes these mutations.Applications• Activity and specificity assays of restriction enzymes• Preparation of DNA molecular weight standards• CloningGenBank/EMBL Accession NumbersNC_001416, M17233, M24325, V00636, X00906

技术参数

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