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Transfection is the process of deliberately introducing naked or purified nucleic acids into eukaryotic cells. [ 1 ] [ 2 ] It may also refer to other methods and cell types, although other terms are often preferred: " transformation " is typically used to describe non-viral DNA transfer in bacteria and non-animal eukaryotic cells, including ...
Packaging and transduction by a lentiviral vector. Most lentiviral vectors are derived from human immunodeficiency virus type 1 (HIV-1), although modified simian immunodeficiency virus (SIV), the feline immunodeficiency virus (FIV), and the equine infectious anaemia virus (EIAV) have also been utilized. [ 24 ]
Transduction This is an illustration of the difference between generalized transduction, which is the process of transferring any bacterial gene to a second bacterium through a bacteriophage and specialized transduction, which is the process of moving restricted bacterial genes to a recipient bacterium. While generalized transduction can occur ...
Transformation is one of three processes that lead to horizontal gene transfer, in which exogenous genetic material passes from one bacterium to another, the other two being conjugation (transfer of genetic material between two bacterial cells in direct contact) and transduction (injection of foreign DNA by a bacteriophage virus into the host ...
Transduction is the process that describes virus-mediated insertion of DNA into the host cell. Viruses are a particularly effective form of gene delivery because the structure of the virus prevents degradation via lysosomes of the DNA it is delivering to the nucleus of the host cell. [ 28 ]
However, because viral vectors frequently lack infectious sequences, they require helper viruses or packaging lines for large-scale transfection. Viral vectors are often designed to permanently incorporate the insert into the host genome, and thus leave distinct genetic markers in the host genome after incorporating the transgene.
Intracellular delivery is a fundamental technique in the study of biology and genetics, such as the use of DNA plasmid transfection to investigate protein function in living cells. [10] A wide range of approaches exist for performing intracellular delivery including biological, chemical and physical techniques that work through either membrane ...
The term can also be understood as DNA transfection using a viral vector. Figure 1: Hepatitis-B virions. Viral transformation can occur both naturally and medically. Natural transformations can include viral cancers, such as human papillomavirus (HPV) and T-cell Leukemia virus type I.