Dsrna Production
Dsrna Production - Related Videos
02:37
Detection of Zika Viral dsRNA Replication Intermediates Using Immunocytochemistry
0 Views •
2026
Source: Contreras, D., et al. Zika Virus Infectious Cell Culture System and the In Vitro Prophylactic Effect of Interferons. J. Vis. Exp. (2016)The video demonstrates the detection of Zika viral dsRNA intermediates in infected epithelial cells using immunocytochemistry. Infected cells are fixed and then blocked with a blocking solution. The primary and secondary antibodies are added. The nuclei are stained with a fluorescent dye. The labeled viral dsRNA is then seen under a fluorescence...
03:24
RNAi Plating for C. elegans Feeding: A Technique to Induce Target dsRNA Expression in E. coli
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2023
This video describes the principles behind RNAi treatment in C. elegans and demonstrates a protocol to knockdown lin-35 in a transgenic worm strain.
04:24
Injection of dsRNA into Female A. aegypti Mosquitos
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Cited by 8 •
2007
Reverse genetic approaches have proven extremely useful for determining which genes underly resistance to vector pathogens in mosquitoes. This video protocol illustrates a method used by the James lab to inject dsRNA into female A. aegypti mosquitoes, which harbor the dengue virus. The technique for calibrating injection needles, manipulating the injection setup, and injecting dsRNA into the thorax is illustrated.
08:41
Reproducible dsRNA Microinjection and Oviposition Bioassay in Mosquitoes and House Flies
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Cited by 5 •
2018
This protocol describes a microinjection methodology that we have standardized and used for several years to deliver specific quantities of nucleic acids directly to the hemolymph of mosquitoes and house flies. This protocol results in minimal injection mortality and allows dose correlated measurements of fecundity.
08:30
RNAi Interference by dsRNA Injection into Drosophila Embryos
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Cited by 6 •
2011
RNA interference has been proven very effective to analyze gene function in Drosophila tracheal development. A detailed protocol used by Jiang lab to inject dsRNA into fly embryos to knockdown gene expression is illustrated. This technique has the potential for screening genes required for tissue and organ development in Drosophila.
FAQs
Sequence, length, purity, and structural integrity can each influence how consistently a preparation performs. Sequence determines which selected gene-related target is represented, while length and structure affect the resulting molecule’s properties. Purity helps distinguish effects attributable to the intended dsRNA from effects associated with unwanted material, making these attributes central to reproducible experiments.
Complementary RNA strands pair through matching bases, creating the double-stranded structure required for downstream biological activity. Researchers can generate the strands separately or produce them from a template, then allow pairing under controlled conditions. This approach links strand sequence directly to the final molecule and helps ensure that the intended RNA regions form the duplex.
These properties influence whether the resulting dsRNA produces a consistent biological effect. Sequence determines the selected gene-related target, while length and structural integrity contribute to the molecule presented to the cellular system. Careful control is therefore important when using dsRNA to reduce gene expression, compare experimental conditions, or interpret differences between results.
A typical workflow begins by generating complementary RNA strands, either separately or from a template. The strands are then brought together under controlled conditions so they can pair through base complementarity. Quality control follows, focusing on sequence, length, purity, and structural integrity before the preparation is applied to gene regulation, antiviral, or RNA-pathway studies.
In addition to triggering RNA interference and reducing expression of selected genes, produced dsRNA supports investigations of antiviral responses and RNA-based cellular pathways. These uses allow researchers to examine how cells respond to defined RNA molecules and to connect changes in gene expression with broader biological processes under experimental conditions.
It supplies RNA molecules whose sequence and structural properties can be examined in relation to cellular responses. Researchers can use the resulting preparations to investigate gene regulation, antiviral responses, and RNA-based pathways, while quality control helps maintain comparable inputs across experiments. This connection makes production quality important for interpreting pathway-related outcomes.