Dna Constructs
Dna Constructs - Related Videos
09:32
Stable DNA Motifs, 1D and 2D Nanostructures Constructed from Small Circular DNA Molecules
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Cited by 6 •
2019
This article presents a detailed protocol for T4 ligation and denaturing PAGE purification of small circular DNA molecules, annealing and native PAGE analysis of circular tiles, assembling and AFM imaging of 1D and 2D DNA nanostructures, as well as agarose gel electrophoresis and centrifugation purification of finite DNA nanostructures.
12:59
High-throughput CRISPR Vector Construction and Characterization of DNA Modifications by Generation of Tomato Hairy Roots
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Cited by 37 •
2016
Using DNA assembly, multiple CRISPR vectors can be constructed in parallel in a single cloning reaction, making the construction of large numbers of CRISPR vectors a simple task. Tomato hairy roots are an excellent model system to validate CRISPR vectors and generate mutant materials.
13:03
Robust DNA Isolation and High-throughput Sequencing Library Construction for Herbarium Specimens
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Cited by 13 •
2018
This article demonstrates a detailed protocol for DNA isolation and high-throughput sequencing library construction from herbarium material including rescue of exceptionally poor-quality DNA.
09:31
Amplification, Next-generation Sequencing, and Genomic DNA Mapping of Retroviral Integration Sites
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Cited by 56 •
2016
We describe a protocol for amplifying retroviral integration sites from the genomic DNA of infected cells, sequencing the amplified virus-host junctions, and then mapping these sequences to a reference genome. We also describe techniques to quantify the distribution of integration sites relative to various genomic annotations using BEDTools.
14:23
Recombineering Homologous Recombination Constructs in Drosophila
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Cited by 9 •
2013
Homologous recombination techniques greatly advance Drosophila genetics by enabling the creation of molecularly precise mutations. The recent adoption of recombineering allows one to manipulate large pieces of DNA and transform them into Drosophila6. The methods presented here combine these techniques to rapidly generate large homologous recombination vectors.
FAQs
Promoters and regulatory elements determine how the coding region is used after the construct reaches a host cell. Their arrangement can influence when expression begins, where it occurs, and how strongly it proceeds. This control is important when researchers need to connect a genetic sequence with a defined cellular response or evaluate whether altered expression contributes to a disease-related process.
A DNA construct must be compatible with the host cell or delivery system chosen for the experiment. The same genetic design may produce different results depending on whether it is introduced into cells for gene-function studies, therapeutic development, or another medical application. Matching the construct to its biological context helps researchers interpret expression and cellular responses under controlled conditions.
In medical research, constructs can support gene-function studies, investigations of disease mechanisms, and analyses of cellular responses. In biotechnology-oriented development, related designs can enable recombinant proteins, vaccines, diagnostic systems, or gene therapies. The distinction lies in the intended outcome: explaining biological behavior versus developing a medical or biotechnological product or intervention.
Researchers first select genetic elements that support the intended function, including a promoter, coding region, regulatory sequences, and, when needed, a selectable marker. They assemble these components into one construct and introduce it into a host cell or delivery system. The resulting system can then be examined under controlled conditions for defined gene expression or cellular responses.
Design determines whether the therapeutic gene is used at the desired time, location, and level, making expression control central to therapeutic potential. Researchers therefore consider the relationship between regulatory elements, the coding region, and the chosen delivery context. A construct with appropriate control can support development of gene therapies aimed at producing a defined biological effect.
These experiments can reveal how a selected gene affects cellular behavior, how genetic activity relates to disease mechanisms, and how cells respond to controlled expression. Results may also inform the development of recombinant proteins, vaccines, diagnostic systems, or gene therapies. The construct's design provides the framework for linking genetic information with an observed biological outcome.