Transgenic Mosquito Production
Transgenic Mosquito Production - Related Videos
17:39
Microinjection of A. aegypti Embryos to Obtain Transgenic Mosquitoes
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Cited by 56 •
2007
In this video, Nijole Jasinskiene demonstrates the methodology employed to generate transgenic Aedes aegypti mosquitoes, which are vectors for dengue fever. The techniques for correctly preparing microinjection needles, dessicating embryos, and performing microinjection are demonstrated.
12:03
The Production of C. elegans Transgenes via Recombineering with the galK Selectable Marker
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Cited by 4 •
2011
The ability to produce transgenes for Caenorhabditis elegans using genomic DNA carried by fosmids is particularly attractive as all of the native regulatory elements are retained. Described is a simple and robust procedure for the production of transgenes via recombineering with the galK selectable marker.
02:36
Isolation of Mosquito-Associated Virus from Mosquito Homogenate
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2026
Source: Huang, D., et al. Mosquito-Associated Virus Isolation from Field-Collected Mosquitoes. J. Vis. Exp. (2022).This video demonstrates the step-by-step procedure for the in vitro isolation of mosquito-associated viruses from mosquito homogenates using fibroblast-like mammalian cells.
09:41
Quantifying Fitness Costs in Transgenic Aedes aegypti Mosquitoes
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Cited by 3 •
2023
The present protocol describes how to measure common life parameter data in Aedes aegypti mosquitoes, including fecundity, wing size, fertility, sex ratio, viability, development times, male contribution, and adult longevity. These measurements can be used to assess the fitness of transgenic mosquitoes.
09:48
Production of Transgenic Xenopus laevis by Restriction Enzyme Mediated Integration and Nuclear Transplantation
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Cited by 8 •
2010
This video protocol demonstrates a method for generating transgenic Xenopus laevis by introduction of transgenes into sperm nuclei followed by nuclear transplantation into unfertilized eggs.
FAQs
These tools provide different routes for changing mosquito DNA. Transposon-based systems can insert an engineered sequence, whereas CRISPR can insert or alter sequences through genome editing. The distinction matters because the resulting line may be used either to introduce a construct or to examine the effect of a targeted genetic change on development, immunity, insecticide resistance, or vector competence.
Microinjection does not by itself establish a stable research line. Researchers must identify individuals carrying the desired construct and breed them so the introduced material is inherited by subsequent generations. This selection-and-breeding stage converts an initial genetic manipulation into a reproducible mosquito line, allowing experiments to compare individuals with the construct and evaluate its biological effects.
Vector competence describes a mosquito's ability to acquire and transmit pathogens. A transgenic line can therefore help researchers test whether an introduced or altered genetic sequence changes this disease-relevant trait. Studying competence alongside immunity and development connects molecular manipulation with mosquito biology and helps assess whether a genetic approach could influence disease transmission.
Researchers first prepare engineered DNA or use a genome-editing tool, then microinject the material into early mosquito embryos. They subsequently select individuals carrying the desired genetic material and breed them to establish inheritance. The resulting line can be examined for effects on traits such as development, immunity, insecticide resistance, or pathogen transmission.
It is useful when investigators need to connect a specific genetic change with mosquito traits or disease-related functions. Applications include studying development, immunity, insecticide resistance, and vector competence. Because the lines carry inherited genetic material, they can support biological experiments across generations and help researchers examine how altered traits relate to mosquito-borne disease transmission.
Once a line has been established, it can provide a foundation for evaluating population-control strategies and genetic approaches intended to reduce mosquito-borne disease. The value lies in testing how inherited genetic changes relate to mosquito biology and disease transmission before broader conclusions are drawn. This places the technique within both basic biology and applied vector-control research.