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Showing: 681 - 700 of 1081 results
  1. CRISPR 101: Targeting RNA with Cas13a (C2c2)

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    Blog Post
    ...thought to activate programmed cell death or a dormant state for bacterial cells that have been infected... Cas13a orthologs can function in mammalian and plant cells (Abudayyeh et al., 2017). They characterized...displays similar knockdown efficiency but no significant off-target effects, a distinct contrast to the... In short, the Cas13a molecule brings a much anticipated element of diversity to the CRISPR toolbox and...Check Out Our CRISPR Featured Topic Page Learn about Anti-CRISPRs Multiplex Genome Editing with Cpf1 Resources...
  2. Transferable Skills Guide: External Collaborations

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    Blog Post
    ...External collaborations are becoming increasingly important as more complex approaches to scientific questions...collaborations and partnerships are also very important in a non-research context, especially when considering...initiative to find a suitable partner, connect the relevant teams, coordinate implementation, and now must...start and maintain external collaborations is important? In my current job at Addgene I work with people...work with others outside your organization is important for success in research-intensive careers. In ...
  3. Controlling for Off-target Effects with a New Genome-wide CRISPR Screen Design

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    Blog Post
    ...were less significant than when non-targeting guides are used as controls. Less significant p-values lead...genome-wide screens.   Figure 1: Summary of the advantages of the new approach to genome-wide CRISPR screen... Screens Before diving into the results, it’s important to note that in Morgens et al., guides were considered...of on-target activity. However, there was no significant difference in depletion of ricin sensitizer genes...
  4. New CRISPR Tools: Cas7-11 and PASTE

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    Blog Post
    ...detectable non-specific activity. Its major advantage is the significantly reduced amount of off-target toxicity...enzyme can lead to off targets and result in significant, negative effects in RNA targeting experiments...using Prime editing alongside some creative (and significant!) protein engineering. They combined Prime editing...The potential of CRISPR has yet to fully taken advantage of, but exciting new tools like these represent...
  5. 10 Steps to a Perfect Science Talk

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    Blog Post
    ...good article at NatureJobs: Interviews: The All-Important Job Talk. 1. Watch other people give great talks...Think Keystone Keynote presentation or Ted Talk. You want to give the audience something to think about, argue... time to prepare (and it does take time). For important talks, ask your peer mentors to check your slides...Speaking longer just makes you seem unprepared or arrogant. A bit short is always better than too long, and...to practice and over time you can master this important science skill. Additional Resources Joanne'...
  6. Plasmids 101: Expressing shRNAs for RNA Interference

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    Blog Post
    ... out of fashion but is still useful and most importantly, effective. In the research world, there is a...plasmids The design of shRNA plasmids requires three important steps: Designing the shRNA sequence Choosing ...polymerase II promoters. The design of these plasmids is meant to more closely mimic pre-miRNAs, and the use of...19px;font-family: helvetica;","color":"#FFFFFF","variant":null,"font":"helvetica","style":"font-family: ...resources on the Addgene blog RNA Interference in Plant Biology: New Tools for an Old Favorite CRISPR 101...
  7. Transferable Skills Guide: Time Management

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    Blog Post
    ...but it’s also important not to load yourself up with too many tasks. If you’re constantly switching between... recommend the book, “Bored and Brilliant” for learning more fantastic reasons to remove yourself from...ll discuss in the planning section below, it’s important to dedicate specific amounts of time to specific...
  8. Quick Guide to Near-Infrared Fluorescent Proteins

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    Blog Post
    ...should be supplied (Baloban et al., 2017).  It is important to consider effective brightness of NIR FPs in...molecular brightness (a product of the fluorescence quantum yield and the extinction coefficient) (Shcherbakova...They were engineered to incorporate BV. Their advantages are their small size (17 kDa for miRFPnanos, ... highlighted in blue. aExtinction coefficient. bQuantum yield. cDetermined in mammalian cells. dDetermined... near-infrared proteins provide a scaffold for antigen-dependent fluorescent nanobodies. Nat Methods submitted...
  9. SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas

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    Blog Post
    ...thanks to our guest bloggers Shravanti Surest from Iowa State University. Shravanti Suresh is a PhD candidate...This post was contributed by Shravanti Suresh from Iowa State University. Since its appearance, SARS-...cut will continue to flow and be captured by an antibody further along on the strip. Highlights: Of the... cDNA. Isothermal amplification is done at one constant temperature, eliminating the need for thermocyclers...
  10. Hot Plasmids: Bacillus subtilis Libraries, iPSC Reprogramming, CRISPR Tools, & More!

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    Blog Post
    ...CRISPR tools for use in plants.  Listen to the segment on CRISPR tools for plants. Special thanks to our...enhancing iPSC production, and CRISPR tools for plants. You can find additional hot plasmids in our quarterly...: Interview with Darrell Kotton Find additional plant biology blog posts Resources at Addgene.org Sign...
  11. The 12 Days of CRISPR

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    Blog Post
    ...CRISPR, Addgene gave to me: Functional Genetic Variants Revealed by Massively Parallel Precise Genome ...prime editing systems by manipulating cellular determinants of editing outcomes🎵 On the 5th day of CRISPR...CRISPR, Addgene gave to me: High-fidelity Cas13 variants for targeted RNA degradation with minimal collateral...prime editor with enhanced editing efficiency in plants 🎵 ...
  12. Congrats to the 2019 Deck The Lab Winners

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    Blog Post
    ...photo wearing holiday sweaters and Santa hats. There was even a giant taco... Miller lab annual #DeckTheLab...their door. What a fun video of Mario, dressed as Santa, delivering gifts to the Mushroom Kingdom. Kravitz.... Getting in the spirit for the holiday season. Santa frog is coming to town. @Addgene @UMich_MCDB #christmastaco...
  13. Viral Vectors 101: AAV Serotypes and Tissue Tropism

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    Blog Post
    ...administered systemically, without causing disease? Recombinant adeno-associated viral vectors, or rAAVs, can...serotypes can be useful to evade neutralizing antibodies developed from prior natural exposure or rAAV...route of administration (Wu, Asokan, et al., 2006). Want to know if a capsid is a good option for your experiment...., Gerfen, C. R., Schiller, J., Dudman, J. T., Hantman, A. W., Looger, L. L., Schaffer, D. V., & Karpova...Karpova, A. Y. (2016). A Designer AAV Variant Permits Efficient Retrograde Access to Projection Neurons. ...
  14. Plasmids 101: Repressible Promoters

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    Blog Post
    ...expression and largely defines the amount of recombinant protein that will be produced. Many commonly-...Tet-Off vectors (Tet-Advanced)” are the most recent variants of the Tet-Off system.  For more information on...the first 24 hours of culture, when glucose is abundant and ethanol concentrations are low, pADH1 displays...pADH1 activity. Researchers have engineered pADH1 variants that are less sensitive to ethanol, including ... transcription from the UAS promoter. This is important because it allows them to be used together for...
  15. CRISPR 101: Epigenetics and Editing the Epigenome

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    Blog Post
    ...enable sorting and selection of transduced cells. Grant Challen’s lab also created constitutive (pCMV-dCas9...fused LSD1 to x-Cas9(3.7). x-Cas9(3.7) is a SpCas9 mutant that exhibits increased PAM flexibility, and this...recruit epigenetic machinery - but is there an advantage to using direct epigenetic modifiers? As with ...will determine the tool that you should use. If you want to study the effects of one particular modification...tool would be your best bet. Another potential advantage of CRISPR epigenetic tools is their persistence...
  16. 8 Great Depositor Research Stories

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    Blog Post
    ...Goldilocks Antibody: Guest blogger Ava Shipman explains how the Wu lab is screening over 3,000 antibodies for... to RUBY-red, a bright red pigment reporter for plants.  Cas7-11 and PASTE: Omar Abudayyeh and Jonathan...your own work!) If you've got a research story you want to share on our blog, please reach out to [email protected]...
  17. Providing Plasmids to Researchers in Developing Countries: Addgene and Seeding Labs Team Up

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    Blog Post
    ...Instrumental Access participants. Like Seeding Labs, Addgene also feels it’s incredibly important for scientific...challenges. However, these same researchers face significant barriers to scientific discovery and career development...accelerate biology research in the labs they’re granted to, as well as shine a light on some of the great...
  18. Performing In Vivo CRISPR Screens Using the FITS Approach

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    Blog Post
    ...introduction of the model antigen, Ovalbumin, into cell lines to study antigen-specific responses. Find...screens have been used to interrogate T cells, an important immune cell type, in more complex and physiological...for a screen that assessed genes that regulate antigen-specific CD8+ T cell responses to a murine tumor...
  19. Newly Updated AAV Data Hub!

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    Blog Post
    ...can save you significant time and money. For instance, this report shows that anterograde, monosynaptic...see from the community is your negative data. We want to make sure people are selecting AAVs that will...work was cited by others?)  Ready to submit?  Fantastic! The next 25 submissions will receive a 20% off...
  20. Plasmids 101: How to Name Your Plasmid in 3 Easy Steps

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    Blog Post
    ...identify what your plasmid contains and other important information. Tip: A lowercase "p" is often used...simple piece of information can often convey many important details. Once you know the backbone a plasmid ... on, you can usually derive: a) the bacterial antibiotic resistance, b) the promoter that drives the insert...position 295 was mutated to an Alanine, Q295A.  Mutant version: pBACKBONE-Flag-hGene(Q295A)-EGFP  Wildtype...
Showing: 681 - 700 of 1081 results