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We narrowed to 609 results for: SCR

Showing: 141 - 160 of 609 results

  1. Plasmids for Endogenous Gene Tagging in Human Cells

    Type
    Blog Post
    Published
    April 6, 2017, 1:02 p.m.
    ...or gene copy. The coding sequence for GFP is transcribed and translated along with the gene, producing... last exon of the gene to ensure it would be transcribed and translated. For an N-terminally tagged protein...each cell line. The editing strategy and design described above can be used to create similar donor plasmids...Endogenous gene tagging with fluorescent proteins as described here enables live cell imaging to study cellular...

  2. Popular Retroviral Vectors and Their Uses in Scientific Research

    Type
    Blog Post
    Published
    July 24, 2018, 12:51 p.m.
    ...CRISPR pooled libraries that allow functional screening of thousands of genes in genome-wide experiments...dividing and non-dividing cells. More detailed descriptions of the lentiviral elements and the 2nd and 3rd...regulation, gene of interest expression, knockout, and screening. There are many more useful viral vectors available... lab. Learn more about CRISPR plasmids for transcriptional inhibition. Retroviral Plasmid Kit Retroviral...collection can be used for in vivo phenotypic screening of small-molecule libraries and can be combined...

  3. Fluorescent Tagging of Endogenous Genes with SapTrap

    Type
    Blog Post
    Published
    Oct. 12, 2017, 2:26 p.m.
    ...user wants to carry out a high-throughput genetic screen, it is expensive and time consuming to individually...each insertion. Also, it remains challenging to screen for the genetically modified strains that contain...simultaneously introduce a selection marker for screening modified strains. With SapTrap, the user first...selectable marker (floxed Cbr-unc-119) for easy screening of the insertion event, and a variety of connector...hundreds of genes, generating powerful genetic screening libraries. Additional protein tagging systems ...

  4. Plasmids 101: Knockout/Knock-In Plasmids

    Type
    Blog Post
    Published
    Dec. 1, 2016, 3:30 p.m.
    ...template with the endogenous gene. Here, we'll describe the techniques and the plasmids used to inactivate... a rare event, so you must select as opposed to screen for cells where recombination has occurred. Neomycin...Conditional knockouts The methods and plasmids described in the preceding sections are simple ways of knocking...knockout, researchers often use the Cre/Lox system described earlier. In this case, you design your targeting... this gene will still be expressed. You'd first screen for this specific recombination outcome using PCR...

  5. CRISPR/Cas9 FAQs Answered!

    Type
    Blog Post
    Published
    March 13, 2014, 4:08 p.m.
    ...nickase system is based on the Cas9 D10A nickase described in Figure 4 of the Cong et al. (2013) Science ... The human U6 promoter prefers a 'G' at the transcription start site to have high expression, so adding...co-transfect in HR donor. Alternatively, a new system described recently is the double nickase system, with PX335...destroy the BbsI sites, a double digest should discriminate between positive and negative clones. Clones..., how can cells with that mutation be selected/screened? A13: Before starting your experiment, consider...sequencing, for example) on each colony in order to screen for positive ones.  -- OR -- If your HR template...

  6. Rett Syndrome: A History of Research and Therapeutic Outlooks

    Type
    Blog Post
    Published
    Nov. 19, 2020, 2:15 p.m.
    ...If you’re new to Rett Syndrome, this blog post describes the history of Rett Syndrome research, the role...MECP2 in Rett Syndrome Rett Syndrome was first described in 1966 by Austrian physician, Andreas Rett, who...maturation (Tillotson & Bird, 2019) and is a global transcriptional regulator of thousands of genes. Studies have...have suggested roles in transcriptional repression, activity dependent de-repression, chromatin remodeling...groove of AT-rich DNA sequences to regulate transcription (Baker et al., 2013). Mutations that affect ...

  7. QC Sequencing Technologies at Addgene

    Type
    Blog Post
    Published
    July 15, 2025, 1:15 p.m.
    ...developed a separate script for manually inputting known innocuous differences. This script compares the sequence...disregards the specified discrepancies. Any sequences that are a perfect match from this script can then continue...time, but does not leave much flexibility for discrepancies in backbone sequences. Most theoretical sequences...

  8. Hot Plasmids - November 2023

    Type
    Blog Post
    Published
    Nov. 14, 2023, 3:35 a.m.
    ...in vitro and in vivo. Incorporating reverse transcriptase (RT) variants, PE6a and PE6b are 500–800 bp ...LOV-Turbo plasmids here! Next, Qin and Cheah et al. described TransitID, where two proximity labeling enzymes...recently created a system for recording the transcriptional history of a cell. Lin et al. generated a fusion... HaloTag dyes and showed they could record transcriptional activation events as bands of induced GFP-iPAK4...Analyzing the ticker tape images could recover transcriptional histories, accurate to within 40 minutes. ...

  9. Sonic Hedgehog? Sleeping Beauty? Learn About the Genes Behind Addgene’s Conference Room Names

    Type
    Blog Post
    Published
    April 2, 2019, 1:44 p.m.
    ...you can use to study these genes! Groucho, a transcriptional co-repressor The first conference room, that...Addgenies, was named after the protein Groucho, a transcriptional co-repressor important in development. Groucho.... It binds to a specific set of DNA-binding transcription factors to repress the expression of genes primarily...Ish-Horowicz. "The Groucho/TLE/Grg family of transcriptional co-repressors." Genome biology 9.1 (2008): ... Jiang, Jianqiao, and Helen White-Cooper. "Transcriptional activation in Drosophila spermatogenesis involves...

  10. Plasmids 101: E. coli Strains for Protein Expression

    Type
    Blog Post
    Published
    Feb. 10, 2015, 3:06 p.m.
    ...specialized strains are available to confer greater transcriptional control, assist with proper protein folding...Lacks functional RNaseE which results in longer transcript half-life F- ompT lon hsdSB (rB- mB-) gal dcm...addition of IPTG. T7 RNAP is then available to transcribe the gene of interest from a T7 promoter on the... the expression plasmid in order to repress transcription from a hybrid promoter. Although the DE3/T7 ...don't see protein overexpression? The strains described above should generate sufficient expression levels...

  11. Filming Science Videos in the Age of Social Distancing

    Type
    Blog Post
    Published
    May 20, 2021, 1:15 p.m.
    ...Jennifer and I spent about an hour that morning scrambling. Everything we had set up involved multiple people...people in tight locations. Conference rooms for on-screen presenters! Labs and benches! Everything was out...videos. It’s really nice to have a scientist on-screen, somebody who really knows the protocol and can...together a video from their recorded answers. No scripting made this a lot easier and I didn’t need to be...where I could focus on camera and audio, and the on-screen talent could just focus on their interview or performance...

  12. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    Published
    Sept. 14, 2016, 2:30 p.m.
    ...genes from a single transcript, or if you want to prevent read-thru transcription from resulting in the...3509-3514. Tikhonova, Elena B., et al. "A transcription blocker isolated from a designed repeat protein...protein combinatorial library by in vivo functional screen." Scientific reports 5 (2015). BIOFAB plasmid ...the production of a downstream peptide, the transcription terminators in this series are just the tool...

  13. Targeting HIV-1 with CRISPR: Shock and Kill or Cut it Out?

    Type
    Blog Post
    Published
    May 10, 2016, 2:30 p.m.
    ...therapeutics - one using dCas9-SAM to activate HIV-1 transcription and destroy infected cells, the other using ...histone deacetylase (HDAC) inhibitors to increase transcription of the integrated HIV-1 genome. For a targeted...dCas9-VP64 fusion commonly used to activate transcription, but with two additional activation domains ...domains (MS2 and p65) to enhance transcriptional activation. Zhang et al. designed multiple gRNAs to target ...to Use CRISPR Pooled Libraries for Genome-Wide Screens Additional Resources onf Addgene.org Check ...

  14. Evolution of Brainbow: Using Cre-lox for Multicolor Labeling of Neurons

    Type
    Blog Post
    Published
    April 24, 2015, 2:39 p.m.
    ...R26R-Confetti described in Hugo J. Snippert, et al. (2010) and the MAGIC Marker strategy described in Karine...overcoming the limitations listed above. First, they screened a variety of fluorescent proteins to find those... via immunostaining. This feature facilitates screening of Cre-negative Brainbow mice to determine the...addition of a woodchuck hepatitis virus post-transcriptional regulatory element (WPRE), commonly used to...

  15. Addgene Protocols Go Viral: AAV Purification and Titration

    Type
    Blog Post
    Published
    June 13, 2019, 12:19 p.m.
    ...article describing a sucrose supplementation strategy to improve yield. In addition, as described in this...you time and improve your experiment results! Subscribe to the Addgene YouTube page! AAV purification ...lab tips, and more video content from Addgene, subscribe to Addgene’s YouTube Channel. Additional resources...

  16. What's New in CRISPR - Winter 2018

    Type
    Blog Post
    Published
    Dec. 18, 2018, 1:17 p.m.
    ...Find the anti-CRISPR plasmids Tagging human transcription factors with GFP Kevin White’s lab recently ...deposited a set of CRISPR plasmids to tag human transcription factors with GFP. As part of the Encyclopedia...these donor plasmids will help researchers map transcription factor localization and binding via ChiP-seq...ChiP-seq. Learn more about ENCODE Find the transcription factor tagging plasmids If you have a new CRISPR...

  17. Genetically-encoded Sparse Cell Labeling - A SPARC of Innovation

    Type
    Blog Post
    Published
    May 21, 2020, 1:15 p.m.
    ...tools in Drosophila (Fig. 1):  GAL4-UAS, a transcription factor binding site. GAL4 expressed in the fly...site to cleave and inactivate any read-through transcripts of the effector gene. Effector genes, any gene...across cell types and organisms by replacing the transcription factor binding site and effector in the construct... the SPARC system to use other experimental transcription activation systems, such as LexA/p65 or mCD8...

  18. CRISPR 101: Drug discovery and CRISPR

    Type
    Blog Post
    Published
    May 4, 2023, 1 p.m.
    ...CRISPR technology has brought drug and genetic screens together and expedited the drug discovery pipeline...Alternatively, a disease model can be generated, and drugs screened for a change in pathology. If the disease pathology...accelerate the drug pipeline. High-throughput CRISPR screens can be used to inhibit, activate, or knockout many...identified several candidate inhibitors of gene X in a screen. You generate a gene X knockout in a cancerous ...

  19. Five Questions to Ask If You're Deciding Between a Master's or PhD Program

    Type
    Blog Post
    Published
    Feb. 16, 2021, 2:15 p.m.
    ...a job search website like Indeed. Do the job descriptions sound interesting? Is the work something you... types of jobs people with master's have Job descriptions often fail to capture all of the responsibilities...responsibilities of a role, so it helps to see how people describe their actual work. To do this, try looking at ...to present your work at conferences, help with manuscript and grant preparation, and lead your own research...

  20. Walking beside Academia and giving it a high five: My transition from graduate work to a position at Addgene

    Type
    Blog Post
    Published
    July 2, 2015, 8:37 p.m.
    ...Was I jaded by my time in academia? Did I run screaming from the lab like the cartoon on the right?!? ... course more quickly than writing scientific manuscripts and, as one of my supervisors warned me, the ...’t have to mean abandoning it or running away screaming, but instead can involve walking alongside it ...it and giving it a high five. While screaming can be therapeutic and I’ve certainly done my fair share ...
Showing: 141 - 160 of 609 results