We narrowed to 389 results for: control
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TypeBlog PostPublishedMarch 17, 2016, 2:30 p.m....standpoint, a plasmid with all four genes and necessary control elements for each would be relatively large. Cloning...separate plasmids allows researchers to partially control expression levels of each gene by altering the ...genes (either viral genes or minigenome) are under control of a T7 RNA polymerase promoter sequence. Thus,...
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Tips for Screening with Yeast Two Hybrid Systems
TypeBlog PostPublishedOct. 22, 2015, 2:30 p.m....accounted for using appropriate replicates and controls (see Tips below), and by validating leads with...reporter gene activation. Including a prey-only control also provides a baseline level of reporter activation...that are known to bind serves as a good positive control to ensure that your setup works. The last thing... -
Negotiating Work and Life: How to Find the Joy
TypeBlog PostPublishedMarch 20, 2014, 3:04 p.m....possible to bring all aspects of our lives under control? Balance is a myth and should not even be the real... don’t have children, so my life will be under control.” Think again. Maybe you’ll need to care for an...to do most tasks – try to resist the impulse to control by insisting things always be done your way. Be... -
9 tips for a successful postdoctoral experience
TypeBlog PostPublishedOct. 9, 2018, 12:21 p.m....anticipated outcomes? What are your controls? Will these controls enable you to interpret your results...figures are missing? For example, are additional controls necessary? As you build your story, are additional...Medical Institute. His interests include the quality control of secretory proteins in the Endoplasmic Reticulum... -
Plasmids 101: Dimers and Multimers
TypeBlog PostPublishedJan. 10, 2023, 2:15 p.m....sometimes observe something odd in our uncut DNA control: a band or two appear on an agarose gel at notably...agarose gel Running undigested DNA on a gel as a control when performing a diagnostic digest is a simple...sequencing of our plasmid samples during our quality control process. Since MiSeq involves sequence assembly.... 2006 Sep;4(8):38-40. Summers D. Timing, self-control and a sense of direction are the secrets of multicopy... -
Fluorescent Biosensors for Measuring Autophagic Flux
TypeBlog PostPublishedJan. 22, 2019, 2:41 p.m.... A fluorescent probe that releases an internal control Another autophagy biosensor is the GFP-LC3-RFP-LC3ΔG...it remains in the cytosol acting as an internal control. Autophagic flux is estimated by the GFP/RFP ratio... -
Viral Vectors 101: What is a Virus (and a Viral Vector)?
TypeBlog PostPublishedAug. 18, 2023, 4:15 p.m....is. Thankfully, through the use of engineering controls — changes made to the virus that eliminate or ...viral vectors to reproduce only in experimentally controlled conditions, making them far safer to work with... -
Choosing Your Perfect Empty Backbone
TypeBlog PostPublishedAug. 19, 2014, 3:39 p.m....function of Your Gene Of Interest (YGOI) in a controlled environment under various conditions. The first...great for overexpressing YGOI in an isolated, controlled environment. In most cases bacterial expression... -
Special Delivery: Fluorophore Targeting for FRET Studies
TypeBlog PostPublishedJuly 19, 2016, 2:30 p.m....needed and when is it not? What are the proper controls needed to pressure-test your FRET assay to make...molecular distances (see Table). However, proper control experiments are needed to establish the dynamic...These experiments include producing a positive control construct where the donor and the acceptor fluorophore... each other on the same protein and a negative control experiment conducted on donor-only labeled protein... -
QC Sequencing Technologies at Addgene
TypeBlog PostPublishedJuly 15, 2025, 1:15 p.m....process, see our blog post on NGS plasmid quality control. NGS is generally cheaper if you have many samples...to sequence our packaged viral DNA for quality control. This gives us a faster turnaround time than short-read...Validation: seqWell Addgene’s Tips for Plasmid Quality Control Additional Resources on addgene.org Molecular... -
Hot Plasmids Spring 2024
TypeBlog PostPublishedMay 23, 2024, 1:15 p.m....membrane protein (Plasmid #141386-LV [+M], negative control) were immunoblotted against Anti-SARS-CoV-2 Nucleocapsid...also immunoblotted against vinculin as a loading control (right panel). Image from Addgene. These antibodies...trans-splicing. A cis-splicing vector served as positive control (cis-ctrl). v1, vector 1; v2, vector 2; BD, binding... -
Hot Plasmids September 2018 - Optogenetics, RNA Localization, Fluorescent Protein, and Base-editing Tools
TypeBlog PostPublishedSept. 18, 2018, 1:33 p.m.... Listen this episode of Hot Plasmids! Light controls the activity of a microtubule-associated protein...studying cellular dynamics. The photoinducible control of protein function is more specific and much faster... -
In Vivo Biotinylation of Bacterial Fusion Proteins
TypeBlog PostPublishedJan. 25, 2018, 2:09 p.m....oligomerization of biotinylated proteins on avidin can be controlled easier than formation of GST dimers. Avi-Tag ... of added biotins per molecule cannot be well-controlled. The lack of site selectivity typically diminishes... -
Hot Plasmids and Viral Preps - September 2021
TypeBlog PostPublishedSept. 21, 2021, 1:15 p.m....cell free system allows for a relatively simple, controlled “one-pot” reaction capable of reproducing useful... and 5HT sensors New AAV tools to selectively control parvalbumin interneurons from the Dimidschstein... -
Plasmids 101: How to Verify Your Plasmid Using a Restriction Digest Analysis
TypeBlog PostPublishedAug. 28, 2014, 3:34 p.m....sequence. Here at Addgene, we use NGS-based quality control to confirm the sequence of all the plasmids we ...ladder based on the expected band sizes. Always run control uncut DNA to ensure your enzymes are working. When... -
Harnessing Bacterial Toxins for Allelic Exchange
TypeBlog PostPublishedAug. 15, 2019, 12:30 p.m....rhamnose- and arabinose-inducible promoters. Tight control of toxin expression is absolutely necessary, because...Proteobacteria. We placed the toxin genes under control of a rhamnose-inducible promoter, though Khetrapal...Channarasappa, and Howard M. Salis. "Translation rate is controlled by coupled trade-offs between site accessibility... -
Evolution of Brainbow: Using Cre-lox for Multicolor Labeling of Neurons
TypeBlog PostPublishedApril 24, 2015, 2:39 p.m....most important ways to spatially and temporally control gene expression, especially in in vivo models, ...functionally similar to Cre-based Brainbow, but is controlled by FLP/FRT recombinase. When placed under different.... The use of AAV provides spatial and temporal control without the need for germline modification, and... -
Synthesized by Ginkgo Bioworks, Shared by Addgene: SARS-CoV-2 Plasmids for Many Expression Systems
TypeBlog PostPublishedMay 19, 2020, 1:15 p.m....Ginkgo Bioworks COVID-19 Plasmid Collection Quality control at Addgene in the midst of COVID-19 We received...meant that we had to revamp some of our quality control processes. For the many other COVID-19 related ... -
The Many Reasons for Irreproducible Research- and a Vaccine to Eradicate It
TypeBlog PostPublishedJan. 30, 2020, 2:15 p.m....growth rates will be higher in treatment versus control, and you think there are four important times to..., they will place special emphasis on positive controls and good sample sizes, concerns that are too easy... -
Addgene’s Viral Service - Why Virus? Why Now?
TypeBlog PostPublishedMarch 23, 2017, 2:30 p.m....team develops methods, performs extensive quality control, generates educational materials, and provides...details about virus production protocols and quality control can be found on Addgene’s Viral Production webpage...