Lambda DNA

Catalog number: SD0011

Thermo Scientific™  Related applications: Nucleic Acid Gel Electrophoresis & Blotting | Nucleic Acid Quantitation

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Description

Thermo Scientific Lambda is a temperate Escherichia coli bacteriophage. The virion DNA is linear and double-stranded (48502 nt) 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.

Features
Phage 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
• Cloning

GenBank/EMBL Accession Numbers
J02459, M17233, M24325, V00636, X00906
For Research Use Only. Not for use in diagnostic procedures.

Specifications

Format: Tube(s)
Species: Lambda phage
Includes: [other]
Product Size: 500 µg

Documents

Manuals & protocols