Gene Transfer
Gene Transfer - Related Videos
01:27
Horizontal Gene Transfer
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2025
Horizontal gene transfer (HGT) is a process where genetic material moves between organisms within the same generation, unlike vertical gene transfer, which occurs from parent to offspring. HGT plays a crucial role in microbial evolution, adaptation, and survival, particularly in shared environments like the human gut.Mobile genetic elements such as plasmids, prophages, integrons, insertion sequences, and transposons facilitate this process. HGT occurs through three primary mechanisms:...
03:36
Production of Retroviral Particles for Gene Transfer
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2026
Source: Zjablovskaja, P., et al., Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells. J. Vis. Exp. (2018)This video demonstrates the production of recombinant retroviral particles by transfecting human kidney-derived packaging cells, enabling stable gene delivery to target cells for downstream applications such as genetic modification, functional assays, or lineage differentiation studies.
06:10
Gene Transfer into Older Chicken Embryos by ex ovo Electroporation
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Cited by 2 •
2012
A method of gene transfer into chicken embryos at later incubation stages (older than Hamburger and Hamilton stage (HH) 22) is described. This method overcomes disadvantages of in ovo electroporation applied to older chicken embryos and is a useful technique to study gene function and regulation at older developmental stages.
05:33
Biolistic-Mediated Gene Transfer: A Technique to Deliver Gene of Interest in Target Cells via a Biolistic Gene Gun
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2025
In this video, we demonstrate the protocol of biolistic gene gun-mediated gene delivery in cultured cells. This method provides a simple method of stable genetic transformation using a minimal quantity of DNA.
07:35
Gene Transfer for Ischemic Heart Failure in a Preclinical Model
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Cited by 21 •
2011
A method of gene transfer for the treatment of ischemic heart failure is described using a swine model of myocardial infarction. Our simple and reproducible method enables us to readily evaluate the efficacy of various gene transfers with a very simple and reproducible way.
FAQs
These mechanisms differ in how DNA reaches the recipient cell. Transformation involves uptake of free DNA, transduction uses viruses to move genetic material, and conjugation depends on direct cell-to-cell contact. Comparing these routes helps explain how the same general outcome, acquisition of new genetic information, can arise through distinct biological interactions.
After entry, introduced DNA can have different fates: it may be replicated, integrated into the recipient’s genetic material, or expressed. These outcomes determine whether the new information is maintained, incorporated into cellular genetics, or produces a detectable product. Thus, transfer alone does not specify the final biological effect; post-transfer processing is crucial.
Horizontal gene transfer can accelerate microbial change because genetic material moves between organisms rather than only through parent-to-offspring inheritance. This process contributes to genetic diversity and helps explain the spread of antibiotic resistance. Its importance lies in connecting gene movement with population-level biological consequences, especially when acquired material alters traits such as antibiotic resistance.
Vertical and horizontal gene transfer differ primarily in their routes across generations. Vertical transfer passes genetic material from parent to offspring, whereas horizontal transfer moves it between organisms outside that parent-offspring pathway. This distinction helps biologists interpret inherited traits separately from newly acquired genetic information and examine different contributions to genetic diversity.
Engineered gene transfer systems apply the movement of genetic material to controlled biological purposes. In biotechnology, they support recombinant protein production, gene-function studies, and some gene therapy strategies. Their value comes from enabling introduced DNA to contribute to a chosen experimental or therapeutic objective through replication, integration, or expression.
By introducing genetic material into cells, researchers can examine what follows when that material is replicated, integrated, or expressed. This makes transfer useful for connecting genetic information with a cellular outcome. Such studies complement broader observations of inherited traits, genetic diversity, and microbial change, while also supporting biotechnology applications that depend on gene expression.