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Showing: 421 - 440 of 763 results
  1. CrispyCrunch: High-throughput Design and Analysis of CRISPR+HDR Experiments

    Type
    Blog Post
    Published
    Feb. 7, 2019, 2:16 p.m.
    ...generated info for your own purposes, or delete the originals if desired. It works as a whole or in part. For...ranging between 0 and 1. The cutting frequency determination (CFD score) is used to measure specificity of...re-binding. Lastly, the sequence inserted by HDR may inadvertently re-create a match for the active guide. With...
  2. Polymerase Chain Reaction Overview and Applications

    Type
    Blog Post
    Published
    Aug. 10, 2021, 1:15 p.m.
    ...the end product of PCR temperature cycling. The final PCR product is often visualized on a diagnostic ... dNTPs and other reagents to run low during the final cycles which would slow or stop PCR amplification...statistics to determine the concentration of the original template DNA in the sample.  Addgene currently...
  3. PCR Applications for Copy Number Variation Assays

    Type
    Blog Post
    Published
    April 26, 2022, 1:15 p.m.
    ...increased sensitivity allows for a more confident determination of copy number, albeit within a range of RQ ...trends? How confident do you need to be in your determination to move forward with your experiment?  Complexity...real-time polymerase chain reaction methods for the determination of amplification of Plasmodium falciparum multidrug...
  4. PRIDICT: Predicting Efficiencies of Prime Editing Guide RNAs

    Type
    Blog Post
    Published
    June 25, 2024, 1:15 p.m.
    ...Figure 1). Through this method, we found key determinants of prime editing efficiency such as the length....0 while accounting for some of the inherent inaccuracies of computational prediction models. In addition...efficiencies using sequence features and DNA repair determinants. Nature Biotechnology 2023, 1–11. https://doi.org...
  5. Twenty Years of Addgene Sharing: CRISPR

    Type
    Blog Post
    Published
    April 18, 2024, 1:15 p.m.
    ...2014 to 2023. As you can see, nucleases, the original CRISPR tool, remain the most popular deposited...Read our recent publication, “The Expanding Dissemination and Distribution Patterns of Diverse CRISPR ..., R., & Barrangou, R. (2023). The Expanding Dissemination and Distribution Patterns of Diverse CRISPR ...
  6. Transferable Skills Guide: Managing a Team

    Type
    Blog Post
    Published
    Jan. 30, 2018, 2:42 p.m.
    ...don’t get done if there is not a clear deadline. Finally check-in regularly, make yourself available, and...that one on one discussion can be confidential. Finally, provide timely feedback. We often associate feedback...manner. If someone’s performance or behavior is inadequate, you need to address it as soon as possible for...
  7. PITChing MMEJ as an Alternative Route for Gene Editing

    Type
    Blog Post
    Published
    Feb. 23, 2016, 3:30 p.m.
    ...active during M and early S phases, when HDR is inactive, and the balance of NHEJ, HDR, and MMEJ repair...longer the homology, the more efficient the recombination, but with longer homology arms comes more time...which has been difficult to modify due to NHEJ’s dominance over HDR in this species. As CRISPR technology...
  8. Introducing Addgene's New Search - Find Plasmids More Easily For Your Research!

    Type
    Blog Post
    Published
    Dec. 3, 2019, 11:38 a.m.
    ...labs and institutions. For example, search for “Melina Fan” and you’ll be able to go directly to a page...In this example we’re going to be looking for recombinant monoclonal antibody plasmids from the James Trimmer... ‘Vector Types’ I selected ‘Lentiviral’ which eliminates most of the plasmids designed for other uses....
  9. Tips for arabidopsis transformation

    Type
    Blog Post
    Published
    Oct. 25, 2018, 1:23 p.m.
    ...are binary gateway vectors and can be used for promoter swapping and generating N and C terminally tagged...4. Nakagawa, T. et al. (2007) ‘Improved Gateway Binary Vectors: High-Performance Vectors for Creation ...
  10. SciComm: Taking Science to Elementary and Middle Schools

    Type
    Blog Post
    Published
    July 9, 2019, 12:52 p.m.
    ...scientist. When our elementary school needed a new coordinator for the annual Math & Science Night, I took the...It’s through the PTA that I recently started coordinating the annual Math & Science Night, a chance for...contacting our school district’s science curriculum coordinator with minimal luck, but eventually the 8th grade...
  11. Plasmids 101: Choosing an Antibiotic Resistance Gene

    Type
    Blog Post
    Published
    Oct. 10, 2023, 1 p.m.
    ...for some applications, the benefit it offers is marginal. Fortunately, amp can easily be replaced with ...NPTII, facilitates phosphorylation of kan, which inactivates it. The NPTII gene confers resistance to several.../1475-2859-11-56 Trastoy, M. O., Defais, M., & Larminat, F. (2005). Resistance to the antibiotic Zeocin...
  12. Negative Can Be Positive: Open AAV Data with Addgene

    Type
    Blog Post
    Published
    Sept. 6, 2022, 1:15 p.m.
    ...T. R. (2015). Stability and compatibility of recombinant adeno-associated virus under conditions commonly...Methods Matter: Standard Production Platforms for Recombinant AAV Produce Chemically and Functionally Distinct...Identification of factors that contribute to recombinant AAV2 particle aggregation and methods to prevent...
  13. Plasmids 101: Colony PCR

    Type
    Blog Post
    Published
    May 12, 2016, 2:30 p.m.
    ...template control PCR reaction for detecting contamination is also a good idea.    Analyzing PCR product...positive clones (+) compared to negative clones. Finally, orientation-specific primers (3) give the same...Resources Promega Overview for Screening for Recombinants New England Biolabs Overview of Colony PCR ...
  14. CRISPR Antimicrobials

    Type
    Blog Post
    Published
    May 3, 2016, 2:30 p.m.
    ...virulent or antibiotic resistant bacteria, and inappropriate antibiotic usage selects for resistant bacteria...including Chipotle and Panera Bread have pledged to eliminate the use of antibiotics by their suppliers, and... DSB occurs on a plasmid, the plasmid will be eliminated from the bacterium, which may also induce cell...
  15. Minigenomes - a Safe Way to Study Dangerous Viruses Like the Ebola Virus

    Type
    Blog Post
    Published
    March 17, 2016, 2:30 p.m.
    ...signal sequence (gene start) and a transcription termination/polyadenylation signal sequence (gene end). A...encoded in separate (and thus smaller) plasmids. Finally, having four separate plasmids allows researchers...it reaches the gene end signal, where it will terminate transcription and polyadenylate the mRNA. These...
  16. Your Lentiviral Plasmid FAQs Answered

    Type
    Blog Post
    Published
    April 23, 2014, 1:08 p.m.
    ...isoforms of these proteins, as well as the viral long terminal repeats (LTRs) are different. As a result, lentiviral...modified the 5’ LTR of the transfer plasmid to eliminate the need for the HIV Tat protein and consequently...initial infection. SIN is shorthand for self-inactivating, which is achieved by deleting a large portion...
  17. Supporting Reproducibility with a Connected ELN

    Type
    Blog Post
    Published
    Jan. 17, 2019, 1:38 p.m.
    ...relating to reproducing the original research can be documented -- in the original context in which it was...import Word documents into RSpace, maintaining the original formatting. In this way data is moved from a static...
  18. Beyond the Blood Brain Barrier: PHP.B Enters the Central Nervous System Via the LY6A Receptor

    Type
    Blog Post
    Published
    July 23, 2019, 12:46 p.m.
    ...mice is likely due to how the Deverman and the Gradinaru labs engineered PHP.B. PHP.B was created by first...suggested there was a single gene that had two codominant versions or alleles that was driving the PHP.... available from Addgene. References Holmes, Christina, and William L. Stanford. "Concise review: stem...
  19. New Tools Enable CRISPRa for Neuroscience Applications

    Type
    Blog Post
    Published
    July 2, 2019, 12:51 p.m.
    ...-dead variant of Cas9 (dCas9) and engineered combinations of transcriptional activators to induce gene...its expression. Constitutive or inducible Cre recombinases can be introduced by AAV or by mating with Cre-expressing...neuron-specific promoters, including calmodulin-dependent kinase II alpha (aCaMKII; excitatory neurons) and Synapsin...
Showing: 421 - 440 of 763 results