Dna Template Preparation
Dna Template Preparation - Related Videos
02:05
DNA as a Genetic Template
0 Views •
2020
Two structural features of the DNA molecule provide a basis for the mechanisms of heredity: the four nucleotide bases and its double-stranded nature. The Watson-Crick model of double-helical DNA structure, proposed in 1952, drew heavily upon the X-ray crystallography work of researchers Rosalind Franklin and Maurice Wilkins. Watson, Crick, and Wilkins jointly received the Nobel Prize in Physiology or Medicine for their work in 1962. Franklin was, controversially, excluded from the prize for...
02:05
DNA as a Genetic Template
0 Views •
2023
Two structural features of the DNA molecule provide a basis for the mechanisms of heredity: the four nucleotide bases and its double-stranded nature. The Watson-Crick model of double-helical DNA structure, proposed in 1952, drew heavily upon the X-ray crystallography work of researchers Rosalind Franklin and Maurice Wilkins. Watson, Crick, and Wilkins jointly received the Nobel Prize in Physiology or Medicine for their work in 1962. Franklin was, controversially, excluded from the prize for...
12:45
Preparation of Viral DNA from Nucleocapsids
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Cited by 40 •
2011
We describe the process of isolating high purity herpesvirus nucleocapsid DNA from infected cells. The final DNA captured from solution is of high concentration and purity, making it ideally suited for high-throughput sequencing, high fidelity PCR reactions, and transfections to produce new viral recombinants.
12:47
Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO2-Ag Nanowires Made by Templated Electrodeposition
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Cited by 1 •
2014
Procedures are outlined to prepare segmented and coaxial nanowires via templated electrodeposition in nanopores. As examples, segmented nanowires consisting of Ag and ZnO segments, and coaxial nanowires consisting of a TiO2 shell and a Ag core were made. The nanowires were used in photocatalytic hydrogen formation experiments.
09:52
Generation of High Quality Chromatin Immunoprecipitation DNA Template for High-throughput Sequencing (ChIP-seq)
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Cited by 15 •
2013
The combination of chromatin immunoprecipitation and ultra-high-throughput sequencing (ChIP-seq) can identify and map protein-DNA interactions in a given tissue or cell line. Outlined is how to generate a high quality ChIP template for subsequent sequencing, using experience with the transcription factor TCF7L2 as an example.
FAQs
Purification is critical because proteins and other reaction-inhibiting contaminants can interfere with the enzymes or reactions that copy, amplify, or read a DNA sequence. Removing these substances improves the likelihood that sequence-specific primers and enzymes function as intended. Consequently, template cleanliness directly supports dependable amplification and more reproducible downstream molecular biology results.
Concentration indicates how much DNA is available, whereas integrity concerns whether the molecule remains suitable as a continuous template. A sample can therefore require both measurements rather than relying on quantity alone. Considering these properties together helps determine whether the material is appropriate for copying, amplification, sequencing, cloning, genotyping, or diagnostic research.
Reverse transcription becomes relevant when the starting material is RNA rather than DNA. In that situation, RNA is converted into complementary DNA, which can then provide the template for subsequent molecular biology experiments. Including this conversion broadens the types of biological material that can enter workflows designed to copy, amplify, or analyze nucleic acid sequences.
A practical workflow moves from cell lysis and DNA isolation to purification, followed by assessment of concentration and integrity. The resulting material may then be diluted appropriately for the intended reaction. Keeping these stages distinct helps identify whether a problem arises from recovery, contaminant removal, template amount, or template quality before the experiment begins.
An appropriately diluted preparation gives PCR or quantitative PCR a usable starting template for sequence-specific copying. This links concentration assessment to experimental setup rather than treating preparation as complete once DNA has been isolated. The result is a template condition better aligned with efficient amplification and with the accuracy and reproducibility expected from these assays.
Prepared templates support a broad range of workflows, including PCR, quantitative PCR, sequencing, cloning, genotyping, and diagnostic research. The required commonality is not a single experimental readout, but a clean template that enzymes or primers can use reliably. Template quality consequently influences whether sequence copying, amplification, or reading produces accurate and reproducible results.