Gene Construct Assembly
Gene Construct Assembly - Related Videos
12:02
Transient Gene Expression in Tobacco using Gibson Assembly and the Gene Gun
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Cited by 8 •
2014
This work describes a novel method for selectively targeting subcellular organelles in plants, assayed using the BioRad Gene Gun.
08:31
Rapid Assembly of Multi-Gene Constructs using Modular Golden Gate Cloning
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Cited by 11 •
2021
The goal of this protocol is to provide a detailed, step-by-step guide for assembling multi-gene constructs using the modular cloning system based on Golden Gate cloning. It also gives recommendations on critical steps to ensure optimal assembly based on our experiences.
06:25
Use of In Vivo Assembly for High-efficiency Plasmid Construction
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Cited by 2 •
2025
In vivo assembly is a ligation-independent cloning method that relies on intrinsic DNA repair enzymes in bacteria to assemble DNA fragments by homologous recombination. This protocol is both time and cost-effective, as few reagents are required, and cloning efficiency can be as high as 99 %.
11:36
Assembly, Loading, and Alignment of an Analytical Ultracentrifuge Sample Cell
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Cited by 21 •
2009
The analytical ultracentrifuge (AUC) sample cell holds sample and reference buffer and during experiments and is exposed to high vacuum and rotor speeds up to 60,000 rpm. This video will demonstrate the rigorous attention to detail necessary for assembly, loading and alignment of this very important component of an AUC experiment.
08:25
Phage-mediated Delivery of Targeted sRNA Constructs to Knock Down Gene Expression in E. coli
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Cited by 5 •
2016
We describe a method to knock down gene expression in a growing population of E. coli cells using sequence-targeted sRNA expression cassettes delivered by an M13 phagemid vector.
FAQs
Compatibility allows selected DNA fragments to join into a coherent construct rather than forming an unintended arrangement. Their order determines how regulatory and coding regions are positioned, while orientation affects whether those sequences can function as intended. Careful design therefore connects physical assembly with the biological question, helping researchers test the influence of particular DNA elements on cellular behavior.
These elements provide distinct parts of the construct’s intended organization. A promoter supplies regulatory control for the coding region, the coding region specifies the sequence being studied or expressed, and a terminator marks the planned endpoint of the expression unit. Placing them in the correct order enables researchers to examine gene regulation or produce a selected protein.
Both approaches provide ways to connect selected DNA fragments, but the central requirement remains controlled assembly into the intended sequence and orientation. The joining strategy must support the compatibility designed among the fragments. This matters because an incorrectly assembled construct can alter the relationship between regulatory elements and coding regions, weakening interpretation of later expression or functional results.
Sequence verification determines whether the assembled DNA has the expected structure, including the selected elements and their arrangement. Expression assays address a different question: whether the construct functions in a biological system as intended. Using both checks separates structural accuracy from biological performance, allowing researchers to identify whether an unexpected outcome arose during assembly or during functional activity.
A typical workflow begins by selecting and designing compatible DNA fragments, including the necessary regulatory and coding elements. The fragments are then joined through a sequence-directed or enzyme-mediated approach and introduced into host cells. Researchers subsequently verify the construct through molecular analysis and assess its function with expression assays, linking assembly decisions to observable biological outcomes.
Gene construct assembly supports experiments that examine gene regulation, produce proteins, engineer genetic systems, or create experimental models. In each case, researchers can arrange selected DNA elements to test their effects in host cells. The resulting constructs provide a controlled basis for connecting a particular sequence design with molecular measurements, expression behavior, or broader cellular responses.