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We narrowed to 276 results for: Cre expression vector

Showing: 261 - 276 of 276 results
  1. Behind the scenes: Addgene’s new search engine and more

    Type
    Blog Post
    Published
    Dec. 12, 2019, 2:22 p.m.
    ...search scoped to plasmids shows filters for expression and vector type, while a search scoped to viral preps...well-characterized. During this time, we’ve also created a variety of educational resources in an effort...understanding of Addgene’s customer’s needs. Categories We created a categorization of our information in order to...for promoter and serotype, among others. We also created a normalization mechanism to “collapse” variations...
  2. Generating Mouse Models Using CRISPR/Cas9

    Type
    Blog Post
    Published
    July 12, 2016, 2:30 p.m.
    ...Gurumurty et al., 2016). AAV can also be used as a vector to deliver CRISPR/Cas9 either through injection...Mediated Genome Editing with Adeno-Associated Viral Vector. iScience 9:286–297 . https://doi.org/10.1016/j.isci...Resources on the Addgene Blog CRISPR 101: Mammalian Expression Systems and Delivery Methods Learn about Mouse...specifies the target, the Cas9 endonuclease that creates the DNA double-strand break (DSB) at the target...knock in models). CRISPR mouse model basics To create a mouse model, the gRNA, Cas9, and donor oligonucleotide...selection offered by mouse ESCs. For example, we often screen only 15-25 mice when generating knockout models...for generating mouse models Although CRISPR is incredibly useful for generating mutations by NHEJ and generating...
  3. Giving gRNAs a Facelift - Synthetic and Beyond

    Type
    Blog Post
    Published
    Oct. 20, 2022, 1:15 p.m.
    ...drawback of CRISPR-Cas9 technology is that most expression systems are constantly “on”. There is no mechanism....org  View Addgene's collection of empty gRNA vectors View Addgene's CRISPR resources Request ready-to-use... or phosphate molecules of the RNA backbone to increase stability.  Nature has evolved ways to prevent...surprisingly well-tolerated by the Cas9 protein and can increase on-target efficiency. In the same vein, locked...
  4. Click Biology: How to Click and Play to Explore Biology

    Type
    Blog Post
    Published
    Oct. 21, 2025, 1:15 p.m.
    ...Tetracycline (Tet) transactivator to increase fluorescent protein expression C234-E25: attB2r-SNAP-attB3 SNAP-tag...can also assemble vaccines, target gene therapy vectors, or lock together smart biomaterials. There are...assembly tools, alongside criteria for Click Biology. Created with BioRender.com.   Principles of Click Biology...Protein (MFP) through rapid covalent coupling. Created with BioRender.com.   Table 1: A handful of...Cas9 plasmids with N- or C-terminal PCV2 HUH-tag; increase homology-directed repair efficiency by linking...linking the repair template VirD2 HUH-tag For creating DNA-protein conjugates rHUH HUH-tag (RNA) Covalent...
  5. Hot Biosensors 2022: Year-End Roundup

    Type
    Blog Post
    Published
    Dec. 6, 2022, 2:15 p.m.
    ...viral vectors (here and here).  Figure 3: JEDI-2P was identified from a high-throughput screen, selected...Figure 2: iGluSnFR3 displays enhanced brightness, expression, and sensitivity compared with earlier SF-iGluSnFR.... By fusing ITAM to an RTK of interest and co-expressing a cytosolic ZtSH2 reporter, they observe fluorescence... They use a unique and powerful high-throughput screen to select variants based on performance metrics...resulting JEDI-2P has faster response kinetics and increased brightness, sensitivity, and photostability under...selected for increased voltage response, brightness, and photostability. It enables sustained deep-tissue... be generalized to other RTKs of interest, they create sensors for FGFR1, EGFR and ErbB2. And orthogonal...
  6. Split Fluorescent Proteins for Studying Protein-Protein Interactions

    Type
    Blog Post
    Published
    May 3, 2022, 1:15 p.m.
    ... vitro, and can be used for measuring protein expression or localization in cells, or even single-particle...Mol Syst Biol. 2014 Galit Lahav EYFP Gateway vectors with EYFP split at 175 Arabidopsis homolog of the...acetylation system and novel in vivo high-throughput screen for molecules affecting alpha-synuclein oligomerisation...
  7. PRIDICT: Predicting Efficiencies of Prime Editing Guide RNAs

    Type
    Blog Post
    Published
    June 25, 2024, 1:15 p.m.
    ...Edit Collection The CRISPR Guide Empty gRNA Expression Vectors... we performed high-throughput ‘self-targeting’ screens with oligo libraries where pegRNAs are coupled ...cell contexts. Figure 1: High-throughput screening of pegRNA efficiency and building prediction tools...sequence-based prediction models from self-targeting screens such as PRIDICT/PRIDICT2.0 provide valuable insights...your target. Figure 3: High-throughput screening of the effect of chromatin on prime editing efficiency...
  8. The Challenges of Cell Culture

    Type
    Blog Post
    Published
    May 5, 2016, 2:30 p.m.
    ...along with Down-Regulation of HIF-1α by NDRG2 Expression Attenuates Proliferation and Invasion in Renal...on the Addgene Blog Learn All about Mammalian Vectors Read up on CRISPR Delivery Systems for Mammalian...line you will need to grow this initial stock and create a set of vials of ‘Master’ stock, which can be ...thawed, it is time to reorder this cell line to create new Master and Working stocks to work from. The...
  9. Lucky Thirteen: Guest Contributors of 2023

    Type
    Blog Post
    Published
    Dec. 5, 2023, 2:15 p.m.
    ...Information DatabaseResearcher: Amos BairochViral Vectors 101: Systemic CapsidsResearchers: Cynthia Arokiaraj...celebrations! We're kicking it off by sharing all the incredible guest posts and stories featured in our blog ...Reporter Genes: Ultrasound Imaging of Gene ExpressionAuthors: Marjorie Buss and Mengtong "Tom" DuanVisualizing...Plasmid Request Data Author: Joachim Goedhart  Created in collaboration with Addgene writers High Complexity...
  10. What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program

    Type
    Blog Post
    Published
    May 2, 2019, 12:41 p.m.
    ...manipulated by injected RNA and can express fluorescent proteins. This lab has created an automated tank for feeding...continues to be challenging. Organism specific viral vector systems would also be beneficial for many systems... progress on the NSF “G to P grand challenge.” Creating a productive, new scientific community is no small...in particular, that they all share the plasmids created under this programs via Addgene. New organisms ... organisms) -  perhaps you’ll choose to study Crepidula atrasolea or Prochlorococcus with your next project...crisis. I like how they are using protocols.io to create a protocol community! Asclepias syriaca and Asclepias...used to study aspects of cognition. Spiralians - Crepidula atrasolea (Jonathan Henry) This black footed slipper...
  11. Special Delivery: Fluorophore Targeting for FRET Studies

    Type
    Blog Post
    Published
    July 19, 2016, 2:30 p.m.
    ...with natural chain termination at stop codons, expression levels of these tagged proteins are often very...could be substantial: Plasmid tRNA Synthetase Expression Host pMAH-POLY Polyspecific aminoacyl-tRNA ...intact cells. The Gradia Lab has deposited a gateway vector with Addgene, where you can insert your protein... drug discovery by big pharma (i.e. HTRF and LanthaScreen) (Degorce et al., 2009), measuring intracellular...are critical in setting up a FRET-based assay or screen (the Addgene blog has an excellent primer on FRET... biomolecules each containing multiple binding crevices that can nonspecifically soak up your fluorophore...donors (Fig. 1). Scores of FP variants have been created, thereby enabling a broad spectrum of donor fluorescence...
  12. Live and Let Dye: Self-Labeling Protein Tags

    Type
    Blog Post
    Published
    April 16, 2024, 1:15 p.m.
    ... whatever molecule you choose (Figure 1). Just express the fusion protein and add a specific ligand! A...better detect dim structures or low levels of expression with the same imaging workflows you already use...to drive cell type-specific delivery of a viral vector (Strebinger et al., 2023). All this flexibility...no wonder that self-labeling protein tags are increasingly popular. Embrace the flexibility and switch ...
  13. CRISPR 101: Off-Target Effects

    Type
    Blog Post
    Published
    Feb. 8, 2024, 2:15 p.m.
    ...cleave DNA and instead activates/represses gene expression by various mechanisms. The RNA guide is typically...- GUIDE-Seq and integrase-defective lentiviral vectors - which rely on insertion of DNA by the NHEJ pathway...differences. If you are performing CRISPR library screens, the same principle holds true - the higher the...lower the likelihood of an off-target artifact. Increasing the N in your experiment is the only way to effectively...effectively control for off-targets and significantly decrease the probability of artifacts. Off-target controls...Rabinowitz R, Offen D. Single-Base Resolution: Increasing the Specificity of the CRISPR-Cas System in Gene...
  14. Plasmids 101: Dimers and Multimers

    Type
    Blog Post
    Published
    Jan. 10, 2023, 2:15 p.m.
    ...MK, Elfinger M, Hartl D, Rudolph C. Transgene expression of transfected supercoiled plasmid DNA concatemers... JA, Carnes AE, Hodgson CP. Plasmid DNA vaccine vector design: impact on efficacy, safety and upstream...generated by SnapGene software.  Thanks to increasing affordability and accessibility, more researchers...by growing seed stocks at 30°C compared to 42°C. Screen multiple colonies to isolate the monomer Sometimes... 1984; Summers et al., 1993). In these cases, screening multiple bacterial colonies using one of the detection...DNA-forming sequences and WRN deficiency independently increase the frequency of base substitution in human cells... self-control and a sense of direction are the secrets of multicopy plasmid stability. Mol Microbiol. ...
  15. When Fidelity Matters: A frank discussion about ligase fidelity

    Type
    Blog Post
    Published
    March 6, 2018, 1:49 p.m.
    ...for many molecular biology protocols, including vector-insert joining for recombinant plasmid construction..."Cloning, nucleotide sequence, and engineered expression of Thermus thermophilus DNA ligase, a homolog...reliably detect single-base differences. The original creators of this technique visualized the ligation product...quencher pairs or qPCR-based methods to greatly increase the sensitivity of detection (14-20). LDR has ... 27). This methodology has been used to rapidly screen buffer conditions for Taq DNA Ligase and their ...electrophoresis (CE) (see below). This method allowed screening of all possible base combinations (Watson-Crick...of a 96-well plate, allowing 6 conditions to be screened per plate. The results indicated that the optimal...
  16. Fluorescent Proteins 101: Introduction to FRET

    Type
    Blog Post
    Published
    June 27, 2017, 1:03 p.m.
    .... PubMed Central PMCID: PMC4523203. Many empty vectors containing these fluorescent proteins are available...available on our FRET Resource page and can be used to create fusions with a gene of interest. These plasmids...biosensors too, as another laboratory may have already created the sensor that you need. FRET biosensors designed... endogenous state that you want to measure (overexpressing a gene or protein after transfection). Future...multiple FRET biosensors simultaneously would further increase the amount of correlated information available...
Showing: 261 - 276 of 276 results