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Cosmids are plasmids that incorporate a segment of bacteriophage λ DNA that has the cohesive end site (cos) which contains elements required for packaging DNA into λ particles. Under apt origin of replication (ori), it can replicate as a plasmid.
The first step in Gateway cloning is the preparation of a Gateway Entry clone. There are a few different ways to make entry clone. Gateway attB1 and attB2 sequences are added to the 5' and 3' end of a gene fragment, respectively, using gene-specific PCR primers and PCR amplification. The PCR amplification products are then mixed with a propriet
The integration of phage λ takes place at a special attachment site in the bacterial and phage genomes, called att λ. The sequence of the bacterial att site is called attB, between the gal and bio operons, and consists of the parts B-O-B', whereas the complementary sequence in the circular phage genome is called attP and consists of the parts ...
In July 2007, the same bacteriophage were approved for use on all food products. [39] In 2011 USDA confirmed that LISTEX is a clean label processing aid and is included in USDA. [40] Research in the field of food safety is continuing to see if lytic phages are a viable option to control other food-borne pathogens in various food products. [41]
Cosmids are predominantly plasmids with a bacterial oriV, an antibiotic selection marker and a cloning site, but they carry one, or more recently two, cos sites derived from bacteriophage lambda. Depending on the particular aim of the experiment, broad host range cosmids, shuttle cosmids or 'mammalian' cosmids (linked to SV40 oriV and mammalian ...
Phage typing is based on the specific binding of phages to antigens and receptors on the surface of bacteria and the resulting bacterial lysis or lack thereof. [4] The binding process is known as adsorption. [5]
The end result is the peptides produced by bacteriophage are specific. The resulting filamentous phages can infect gram-negative bacteria once again to produce phage libraries. The cycle can occur many times resulting with strong affinity binding peptides to the target.
A Literature Review of the Practical Application of Bacteriophage Research. Nova Science Publishers, Hauppauge, New York. ISBN ...