Gene Construct Integration
Gene Construct Integration - Related Videos
03:29
PiggyBac Transposon-Mediated Gene Editing in Human iPSCs: A Procedure to Integrate Gene of Interest in Human iPSCs Using PiggyBac Transposon System
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2025
This video demonstrates the procedure to generate motor neurons by transfection of human iPSCs with PiggyBac transposon system by the ectopic expression of lineage-specific transcription factors.
08:25
Phage-mediated Delivery of Targeted sRNA Constructs to Knock Down Gene Expression in E. coli
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Cited by 5 •
2016
We describe a method to knock down gene expression in a growing population of E. coli cells using sequence-targeted sRNA expression cassettes delivered by an M13 phagemid vector.
02:24
AAV-Mediated Gene Delivery for Visualization of Compromised Retinal Membrane Integrity
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2026
Source: Vacca, O., et al. Using Adeno-associated Virus as a Tool to Study Retinal Barriers in Disease. J. Vis. Exp. (2015).This video demonstrates the method of AAV-mediated gene delivery in a transgenic mouse retina, followed by tissue dissection and staining to assess inner limiting membrane integrity.
04:24
TALEN-Mediated Targeted Gene Integration: Using Engineered Sequence-Specific Nucleases for the Precise Insertion of Fluorescent Protein Gene into hiPSCs
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2025
This video describes a precise genome editing technique in human induced pluripotent stem cells, or hiPSCs, using TALENs to create double-stranded breaks at a targeted locus, inducing homology-directed repair for fluorescence protein gene integration.
12:42
Fluorescence-microscopy Screening and Next-generation Sequencing: Useful Tools for the Identification of Genes Involved in Organelle Integrity
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Cited by 4 •
2012
A fundamental quest in cell biology is to define the mechanisms that underlie the identity of the organelles that make eukaryotic cells. Here we propose a method to identify the genes responsible for the morphological and functional integrity of plant organelles using fluorescence microscopy and next-generation sequencing tools.
FAQs
Targeted and random insertion differ mainly in genomic control and predictability. Targeted integration places a construct at a defined location, whereas random insertion does not specify where incorporation occurs. That distinction matters because unpredictable locations can create unwanted effects, while controlled placement can support more reproducible experiments and more reliable transgene expression.
DNA breaks provide defined entry points for some integration strategies. Genome-editing tools can create breaks at selected genomic sites, after which cellular repair incorporates the engineered sequence. This mechanism links targeting to repair rather than simple DNA delivery alone. In research, controlling the break location helps investigators pursue consistent genomic outcomes across experiments.
Homologous recombination and site-specific recombination are distinct routes for incorporating a construct. Homologous recombination uses matching DNA relationships to support integration, whereas site-specific systems act through a designated recombination process. Genome-editing tools add another strategy by creating and repairing defined breaks. Comparing these routes helps researchers match the mechanism to the desired level of genomic control.
The integration site can influence whether a transgene behaves predictably and whether insertion causes unwanted effects. Random insertion leaves that location unpredictable, while targeted approaches are intended to reduce such uncertainty. This is especially important when researchers need stable cell lines or compare gene activity across experiments, because reproducibility depends on more than merely introducing the DNA.
Choice of strategy depends on the experimental goal. When investigators need controlled placement and reduced insertion-related uncertainty, targeted integration is relevant; when the work centers on incorporating a construct without a defined location, random insertion may be considered. The selected route also affects how confidently researchers can interpret stable expression and compare engineered cell populations.
The approach supports several research goals: generating stable cell lines, examining gene function, modeling genetic diseases, and producing recombinant proteins. These applications depend on retaining an engineered sequence in cells so that its effects can be studied over time. In biology, integration therefore connects DNA engineering with durable experimental systems and production-oriented research.
Controlled integration can make experiments more reproducible because the construct is placed with greater genomic control than in random insertion. This reduces uncertainty associated with unpredictable insertion sites and can improve the reliability of transgene expression. Researchers can consequently build more consistent cell-based systems for gene-function studies, disease modeling, and other biological investigations.