Lambda Shuttle Vector Recovery
Lambda Shuttle Vector Recovery - Related Videos
06:10
Following Cell-fate in E. coli After Infection by Phage Lambda
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Cited by 20 •
2011
This article describes the procedure for preparing a fluorescently-labeled version of bacteriophage lambda, infection of E. coli bacteria, following the infection outcome under the microscope, and analysis of infection results.
09:00
Cargo Loading onto Kinesin Powered Molecular Shuttles
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Cited by 4 •
2010
Molecular shuttles consisting of functionalized microtubules gliding on surface-adhered kinesin motor proteins can serve as a nanoscale transport system. Here, the assembly of a typical shuttle system is described.
07:08
The Lambda Select cII Mutation Detection System
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Cited by 3 •
2018
We describe a detailed protocol for the Lambda Select cII mutation assay in cultured cells of transgenic rodents or the corresponding animals treated with a chemical/physical agent of interest. This approach has been widely used for mutagenicity testing of carcinogens in mammalian cells.
08:33
Development of an Alpha-synuclein Based Rat Model for Parkinson's Disease via Stereotactic Injection of a Recombinant Adeno-associated Viral Vector
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Cited by 12 •
2016
This manuscript describes how viral vector-mediated local gene delivery provides an attractive way to express transgenes in the central nervous system. The protocol outlines all crucial steps to perform a viral vector injection in the substantia nigra of the rat to develop a viral vector-based animal model for Parkinson's disease.
04:15
Stereotactic Microinjection of a Viral Vector for Gene Manipulation in a Mouse Pup Striatum
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2025
Source: Chen, S., et al., Stereotaxic Surgery for Genetic Manipulation in Striatal Cells of Neonatal Mouse Brains. J. Vis. Exp. (2018)This video demonstrates the stereotaxic injection of a viral vector encoding Cre recombinase and green fluorescence protein or GFP into the striatum of a genetically modified mouse pup to achieve gene manipulation by excising a loxP-flanked STOP cassette, activating red fluorescence protein or RFP as a reporter.
FAQs
Cos-site recognition supplies the packaging checkpoint for this recovery strategy. DNA containing lambda vector sequences is packaged into phage particles when the cos sites are recognized, preserving the recombinant construct for transfer into bacteria. This step connects the physical DNA sample to a recoverable vector population, allowing subsequent analysis of inserted genetic sequences or mutations rather than examining the original material alone.
Escherichia coli provides the bacterial setting in which recovered vectors can replicate. Once introduced, individual recovery events can be detected through plaque formation or selectable markers, creating a practical way to identify samples that contain the recombinant construct. This bacterial amplification and identification stage makes downstream sequence or mutation analysis feasible, even when the starting DNA came from another biological system.
The method uses bacteria as a recovery and analysis environment for DNA that originated in experimental material, including mammalian sources. That cross-system transfer is significant because it permits investigators to examine genome stability and pathogen-associated genetic variation through recovered recombinant vectors. The bacterial readout therefore supports analysis of changes that may first arise or be preserved in a different biological context.
An informative workflow begins with DNA isolation from the experimental material, followed by lambda packaging based on cos-site recognition. The packaged material is introduced into Escherichia coli, where recovered vectors replicate. Investigators then identify recovery events by plaque formation or selectable markers and use the resulting vectors for genetic-sequence or mutation analysis. Each stage links sample DNA to an interpretable bacterial readout.
It is useful when host or microbial genetic information must be recovered from complex biological samples. In infection research, the approach can help examine pathogen-associated genetic variation and connect sequence changes with infection-related phenotypes. Its value lies in converting DNA present in a complicated sample into recoverable recombinant vectors that can be identified and analyzed in bacteria.
Recovered vectors preserve access to recombinant DNA for examining genetic sequences or mutations. Researchers can evaluate the genetic information represented by identified recovery events and then consider whether sequence changes are associated with infection-related phenotypes. The method is therefore useful not only for retrieving DNA, but also for connecting molecular variation with biological consequences in immunology and infection experiments.
Plaques and selectable markers function as indicators that recovery has occurred in Escherichia coli. They help distinguish bacterial events associated with recovered vectors from the broader population of introduced material. The resulting positive events provide material for subsequent examination of recombinant sequences or mutations, making these readouts central to interpreting whether the recovery procedure succeeded.