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We narrowed to 981 results for: nin

Showing: 481 - 500 of 981 results
  1. Viral Vectors 101: Virus Safety

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    Blog Post
    ... genome, the virus is replication incompetent, meaning it can’t replicate and continue the infection cycle...known to cause respiratory diseases in humans, earning this virus a BSL-2 classification. Lentivirus (... can be used for extra security. Finally, when spinning down lentivirus, you’ll need to use centrifuge...trained in each new place (and pay attention to the trainings!), even if you know guidelines for best practices...
  2. Hot Plasmids February 2024

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    Blog Post
    ...assist peptide” that facilitates endosomal escape. Combining Cas9-PAGE with lentiviral sgRNA expression yielded... is sufficient to disrupt dimerization while maintaining the bright and stable fluorescence of the original...also named their variant mStayGold. It is worth mentioning that Kiryl Piatkevich and colleagues generated... Figure 3: Overview of library generation and screening that led to identification and characterization...
  3. Design Tips for Prime Editing

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    Blog Post
    ... allows certain unintended edits to escape cellular surveillance. To limit unintended incorporation of...important to test different lengths and sequences, as unintended secondary structures in your pegRNA could inhibit...3′ end to protect them from degradation. When designing epegRNAs with large structured motifs like mpknot...
  4. 6 Tips for Grant Writing

    Type
    Blog Post
    ...or failure and demands attention, practice, and honing of your skills from the start. Just like with any...are unlikely to get past the initial round of screening. I STRONGLY recommend that you ask a PI or mentor...may make your perfectly reasonable paragraph unintelligible to a lay audience. My lay paragraph typically...a Grant Writing Professional Facilitate Career Planning and Personal Development with an IDP Get Tips ...
  5. xCas9: Engineering a CRISPR Variant with PAM Flexibility

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    Blog Post
    ...Cas9s from other species, like S. aureus and N. meningitidis, require different PAM sites than SpCas9, in...SpCas9-VPR in activating transcription. Sites containing NG, GAA, or GAT PAMs averaged 56-91% transcriptional...improved, with a smaller increase in NGA editing. Adenine base editor xCas9 3.7-ABE also follows the same... at an NGG PAM (69 vs 48%) compared to SpCas9-containing ABE7.10, as well as improvements at NG and GAT...
  6. Hot Plasmids: Summer 2025

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    Blog Post
    ...over the previous best performer mGold — while maintaining high brightness and fast maturation time (Figure...TnpB has found itself in the spotlight. TnpBs are gaining popularity, especially among plant biologists, ...barcoding libraries By Mike Lacy Whether you’re planning on lounging poolside or swimming laps, Addgene...allows components to be swapped out, potentially broadening its applications. Find ATLAS plasmids here! ...
  7. Hot Plasmids: Winter 2025

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    Blog Post
    ...broke the PE efficiency barrier in tomatoes" by combining several approaches (Vu et al., 2024). Their optimized...and double-tagged constructs (including "CLAP", combining an N-terminal CLIPf tag and a C-terminal SNAPf...for its improved kinetics and responsivity in screening ASAP3 variants. B) Electrical and optical recordings...postmortem brain samples. Results show positive staining in tissues from patients who had confirmed neurodegenerative...
  8. Degrading DNA with Cascade-Cas3

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    Blog Post
    .... P., White, M. F., Yakunin, A. F., Garrett, R. A., Van Der Oost, J., . . . Koonin, E. V. (2015). An updated... scale that other Cas effectors can’t, while maintaining relatively high efficiency. These alterations... boundaries defined by anti-CRISPR proteins or running into other proteins naturally bound to the DNA....
  9. Common Injection Routes in Mice

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    Blog Post
    ...after initial mouse training. Other techniques require more skill and additional training, going from intermediate...All researchers must go through the proper basic training prior to conducting mouse experiments. Some of...preferences. It sounds complicated but has a pretty low learning curve! Restraint: scruffing Location: throat Gauge...
  10. CrispyCrunch: High-throughput Design and Analysis of CRISPR+HDR Experiments

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    Blog Post
    ...project was spent selecting guides, designing primers, and running analyses. New team members have taken...guiding principles that we've followed since the beginning. It's free and open to all. The project is funded...blog posts Learn about some considerations when designing gRNAs Find other CRISPR software Resources on...
  11. Addgene's Cancer Collection Pages Connect the Research Community

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    Blog Post
    ... cells, such as those within hair follicles and lining the digestive system, causing discomfort and illness... enabled researchers to begin discovering and designing molecules that are showing some promise in their...collection is a set of vectors for use with the Gateway Cloning Platform (Life Technologies, Carlsbad, CA) that... Tackling Cancers' Drug Resistance with a New Screening Kit Learn How the Clon Tracer Library Can Be Used...
  12. Plasmids 101: Optimizing Plasmid Yields

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    Blog Post
    ...DNA left over for other applications, like PCR, cloning, transfection, or long-term storage. But what about...incomplete. Protein expression strains are not good for cloning Bacterial strains adapted for protein purification... genes and can therefore be cultured in media containing half the normally recommended antibiotic concentration...plasmid/strain combination individually, based on determining the cell density or by harvesting and miniprepping...
  13. Plasmids 101: Multicistronic Vectors

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    Blog Post
    ...Glycine and Proline residues found on the C-terminus meaning the upstream cistron will have a few additional... clone your gene of interest into the multiple cloning site up or down stream of the IRES or 2A element...you can start with a plasmid that has multiple cloning sites flanking the multicistronic element(s), or...Addgene's Plasmid Guide for more molecular biology and cloning information. ...
  14. Tips for arabidopsis transformation

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    Blog Post
    ...method. The general steps for this method include: Cloning and transforming a plasmid into the bacterium Agrobacterium...insertions (usually via seed growth on antibiotic-containing media) A similar process occurs in nature; ...plants should show no signs of stress, such as anthocyanin production, or disease, such as fungal growth... in a transformation in another 24 hours. The remaining starter culture can be used for colony PCR and...
  15. Introducing Addgene's New Search - Find Plasmids More Easily For Your Research!

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    Blog Post
    ...search results: More than 200 different GCaMP containing plasmids are available for distribution. If ...already created and deposited it with Addgene. Combining search terms with filters lets you drill down ...) Vector Type: What type of experiment are you planning? (e.g. Retroviral) Species: Specify the source...bacterial resistance marker used to grow plasmid containing bacterial cultures Bacterial Resistance: Use ...
  16. Summer SciComm Series: Modes of Communication

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    Blog Post
    ... misconception. I find personal bias often unintentionally plays a big role in what people think of as...as "the best way" to communicate their science, meaning that they will heavily evangelize for the mode ...cost or freeware alternatives and how steep of a learning curve it will be to get to the necessary level...Static. Often requires both artistic and scientific training. Cartoons may be read as “for children” or may...
  17. The Effect of COVID-19 on Liu Lab Plasmid Requests From Addgene Data

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    Blog Post
    ...to COVID-19. In our lab, we were interested in examining the effect of COVID-19 on worldwide scientific...cases being reported (right, red), likely due to quarantining {% video_player "embed_player" overrideable...candidate at MIT. His research uses applied machine learning and statistical methods for fundamental scientific...interested in using selection, evolution, and machine learning to solve difficult problems in chemistry and chemical...
  18. What’s in Your Tube?: A Quick Guide to Measuring DNA by Spectrophotometry

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    Blog Post
    ...characteristic absorbance spectra, which you can detect by examining the A260/280 and A260/230 ratios.  In common practice...you are purifying plasmid DNA from bacteria or cleaning up a PCR product, a common material you are trying...complementary assay, such as a fluorescence based assay or running an agarose gel. In the case of plasmids, the use...allow, you might be better off starting from the beginning. Before trying again, revisit your purification...
  19. AAVs CREATed for Gene Delivery to the CNS and PNS

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    Blog Post
    ...type of interest. Repeat rounds of infection and screening by PCR enrich for capsid variants with increased...single-cell anatomical study and neuronal tracing, aka determining where a neuron’s axons and dendrites extend to...brain, you needed to make a transgenic mouse. Combining AAv.PHP.eB’s or AAV.PHP.S’s great neuronal transduction...Yoo BB, et al. Engineered AAVs for efficient noninvasive gene delivery to the central and peripheral nervous...
  20. Using AAV for Neuronal Tracing

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    Blog Post
    ... and Olsson, 1971), plant lectins (wheat germ agglutinin WGA, Schwab et al., 1978) or fluorescent molecules... mapping of the neuronal circuitry involved in learning and memory (Kohara et al., 2014; plasmids at Addgene...Gradinaru, V. (2017). Engineered AAVs for efficient noninvasive gene delivery to the central and peripheral nervous... motor to auditory pathway important for vocal learning. Nat Neurosci 20(7), 978–986. PubMed PMID: 28504672...Javoy-Agid F., and Agid Y. (1978). Labeled wheat germ agglutinin (WGA) as a new, highly sensitive retrograde tracer...
Showing: 481 - 500 of 981 results