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Showing: 521 - 560 of 821 results
  1. CRISPR 101: Multiplex Expression of gRNAs

    Type
    Blog Post
    Published
    Sept. 10, 2020, 11:45 a.m.
    .... Using multiplexed gRNAs can target multiple locations in the genome to modify, whether it be editing... use is pX333 from the Ventura lab. pX333, a modification of pX330, contains humanized wtCas9 and two ...thus marking cells that have undergone genomic modification. In this system, Cas9 must be supplied on a ...with Cpf1 Additional Resources on Addgene.org Catch Up on Your CRISPR Background with Our Guide Pages...
  2. A Needle in a Base-Stack: Cas9 Structural Biology

    Type
    Blog Post
    Published
    June 4, 2024, 1:15 p.m.
    ...their subdomains. NUC includes the HNH and RuvC catalytic domains, as well as the CTD (also known as the... the open conformation (Cofsky et al., 2022), indicating that there is more to learn about this process... sequencines. This helps explain why Cas9 can’t locate PAM sites until after RNA loading: the structure...properly in this channel, depending on their precise location. The end of the heteroduplex rests against the...
  3. Antibody Data Repositories and Search Engines

    Type
    Blog Post
    Published
    Oct. 31, 2024, 1:15 p.m.
    ...which allow you to search many different antibody catalogs at the same time.  If you're looking for an antibody... specificities, from target-specific ones to application-specific ones to anything goes. We've shared ...repositories and search engines Website Targets Application Purpose Notes Antibodypedia Any Any...
  4. Addgene Stands with the Scientific Community

    Type
    Blog Post
    Published
    April 23, 2025, 1:30 p.m.
    ...operating model allows researchers to access authenticated materials at a fraction of the cost of creating...be listed as direct costs from a CRO in grant applications, addressing the new funding structures and indirect...indirect cost caps more efficiently. Offering free educational resources: Our eBooks, videos, science guides...
  5. Synthetic Biology, Artificial Chromosomes, iGEM & More - Interview with Tom Ellis

    Type
    Blog Post
    Published
    Nov. 29, 2017, 2 p.m.
    ...foundational research, training, startups, and real applications of SynBio. Chapter 3: Synthetic biology as the...synthetic genome project and constructing ever more complicated biological devices. Chapter 6: - Making research...Addgene Blog Learn about the Synthetic Biology Education Nonprofit BioBuilder Plasmids 101: Golden Gate...
  6. MassBioEd Career Exploration Day at Addgene

    Type
    Blog Post
    Published
    Nov. 13, 2015, 3:30 p.m.
    ...do work to help improve K-12 education? Let us know about your educational events in the comments section... education...
  7. What's New in CRISPR - May 2019

    Type
    Blog Post
    Published
    May 28, 2019, 12:49 p.m.
    ...negative control. Read the paper in Nature Communications Find the E. coli genome-wide CRISPR inhibition...Homology-directed repair (HDR) can be used to make precise modification in genome editing. However, HDR efficiency is...efficiency up to 30-fold. Read the paper in Communications Biology Find the Cas9-PCV and PCV-Cas9 plasmids...
  8. Making Career Development an Integral Part of the Science Training System

    Type
    Blog Post
    Published
    Feb. 25, 2021, 2:15 p.m.
    ... It's been an honor to work with such a group dedicated to providing the structure and know-how to integrate...example, pd|hub assembled a coalition of higher education organizations committed to advancing career and... inclusive career readiness training in this educational path before we lose more scientists who might...
  9. 2022 and 2023: Reflections and Looking Forward

    Type
    Blog Post
    Published
    Feb. 23, 2023, 2:15 p.m.
    ...full-size, with assay-supported recommended uses and education content. This work exemplifies our long-standing...curated information about AAV usage in research applications. Scientists around the world can upload AAV ...accessed our freely available online collections of educational resources. In 2022 alone, our website saw 2.2...
  10. More Data for You: Find Articles Citing Addgene Plasmids

    Type
    Blog Post
    Published
    June 16, 2015, 2:15 p.m.
    ...'s Addgene ID # has been referenced in other publications, you'll find a link to the list of citing articles...cell-surface programmable DNA-binding domains" publication.  If you want to see this new feature in action...lists Benefits to requesting scientists: Quickly locate other papers that have used your plasmid of interest...
  11. Download Addgene’s Science Career Guide, Plus 8 Career Tips from Addgenies

    Type
    Blog Post
    Published
    Feb. 26, 2019, 1:40 p.m.
    ...conference, you could be honing your science communications skills and networking. And on social media,...one “safe” project that you know you can get a publication with and one “shoot for the moon” project that... the lab members.”- Jennifer Tsang, Science Communications and Marketing Coordinator Networking “Many,...
  12. Addgene's Top Blog Posts from 2020

    Type
    Blog Post
    Published
    Dec. 29, 2020, 2:15 p.m.
    ...virtually. 6. Quantifying DNA? Here are Five DNA Quantification Methods to Consider by Jennifer Tsang The...The nanodrop vs. spec debate dominates DNA quantification discussions, but what about the other methods... with plasmids deposited at Addgene! 2. DNA Purification Without a Kit by Beth Kenkel To complement ...
  13. Let There Be LITE Plasmids

    Type
    Blog Post
    Published
    Nov. 21, 2013, 3:56 p.m.
    ...effectors (TALEs) as anchors for genome engineering applications was still very new. Now, Konermann and her colleagues...prove the causal role of specific epigenetic modifications in the genome,” Zhang said in MIT’s press release...disease states. While LITE plasmids have clear application to anyone with an interest in neuroscience, their...
  14. Editor's Choice, August 2016

    Type
    Blog Post
    Published
    Sept. 2, 2016, 1:32 p.m.
    ...bit surprising given how many scientists go on vacation in August (for another part of my job, I travel...sequence in live cells. This technique uses catalytically inactive CRISPR endonuclease (dCas9) fused to... need to get back to emailing (hopefully non-vacationing) scientists. You can find all of our August posts...
  15. Modulate the Activity of 17 Signaling Pathways with One Kit!

    Type
    Blog Post
    Published
    March 22, 2016, 2:30 p.m.
    ... of 17 signaling pathways that are frequently implicated in cancer cell proliferation, survival, differentiation... make the library usable for pooled screens. Applications of the cancer pathways ORFs kit Wood and his...References 1. Martz, Colin A., et al. "Systematic identification of signaling pathways with potential to confer...
  16. Management for Scientists: Seeking Feedback

    Type
    Blog Post
    Published
    Jan. 8, 2015, 2:34 p.m.
    ...Scientists series will focus on an aspect of communication especially important for a manager – getting... Creating a culture of excellent, effective communication between all members of a team. As described ... opinions in meetings, via email, at formal communications events or at informal gatherings, like at lunch...
  17. From our Table to Yours: An Inside Look at Lunch at Addgene

    Type
    Blog Post
    Published
    Nov. 27, 2013, 2:54 p.m.
    ...2 trophies over the years, which is either an indication of the stiff competition or says something about...building activity that is easy to organize. We’ll dedicate a post to these competitions in the future, and...establish, with the goal of fostering better communication between labs. Scientists are often willing to...
  18. CRISPR Protocol for Genomic Deletions in Mammalian Cell Lines [Video]

    Type
    Blog Post
    Published
    Feb. 18, 2015, 3:09 p.m.
    ... of Visualized Experiments (JOVE). The video publication by Stuart Orkin and Daniel Bauer's labs details... size and frequency [3]. There are several applications in which the production of deletions by paired...useful to study haploinsufficiency. Subsequent modifications at the remaining allele within the deletion ...
  19. Three Key Considerations for Precise Neuronal Targeting Using AAV Technologies

    Type
    Blog Post
    Published
    Nov. 27, 2019, 2:03 p.m.
    ...experiments! Late last year, we hosted our first AAV Education and Development workshop aimed at brainstorming...even further. For example, injecting AAVs at one location can result in expression of an optogenetic payload...shown in Figure 1, injected retrograde AAVs at one location result in opsin expression in their cell bodies...
  20. London Calling - Addgene’s New Europe Office in London

    Type
    Blog Post
    Published
    June 10, 2014, 3:20 p.m.
    ...Today, Addgene launches a brand new Europe office located in London and operated in collaboration with LGC... their materials. The new office in London is dedicated to helping them find their way to new scientific...newest Addgene Outreach Scientist - the first to be located in London and focused on supporting European scientists...
  21. Lentiviral CRISPR Libraries Enable Genome-Scale, Knockout Screening

    Type
    Blog Post
    Published
    Feb. 20, 2014, 4:57 p.m.
    ...  “This enables you to do customized genetic modification on a scale that was really not possible before...genome engineering with CRISPRs was limited to modification of a few loci at a time,” Wang said. “It was... lentiviral libraries and their demonstrated application offer proof-of-principle that CRISPR-Cas9 can...
  22. 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.
    ...technical know-how, and helped develop my science communication skills. Ultimately, my degree prepared me to...technical or product support specialist,” “field application scientist,” or “scientific or technical writer...for PhD applicants since many will also accept applications from master’s candidates with experience.  Use...
  23. SunTag and Fluorescent Imaging

    Type
    Blog Post
    Published
    March 28, 2017, 2:30 p.m.
    ...aggregation, it’s recommended for most imaging applications. What can you do with SunTag? Tanenbaum et al...activation of target genes, but we’ll save that application for another day! References 1. Tanenbaum, Marvin...et al. “A protein-tagging system for signal amplification in gene expression and fluorescence imaging....
  24. Antibodies 101: Epitope Availability

    Type
    Blog Post
    Published
    Jan. 11, 2022, 2 p.m.
    ...Conformation changes usually fall into one of two categories: ones induced by the researcher and ones that...naturally, by binding to other proteins, changing locations, or even just as part of performing a specific...it a transmembrane protein, or is it know to translocate or fold in certain conditions? It can help to...
  25. Multifunctional Neural Fibers: Modulation from Gut to Brain

    Type
    Blog Post
    Published
    Aug. 31, 2023, 1 p.m.
    ...channelrhodopsin 2 (ChR2), a blue light sensitive cation channel, fused to mCherry to the brain tissue. ... several months after implantation of fibers, indicating the system was indeed stable for continuous monitoring...interfaces with the entire body, so the obvious next applications are to expand the tool to different brain-organ...
  26. Hot Plasmids June 2018 - Reverse transcriptase, nanobody, and protein-DNA interaction tools

    Type
    Blog Post
    Published
    June 27, 2018, 1:16 p.m.
    ...makes them more adaptable to a broad range of applications. Recently, the Spiess lab developed a set of... with specific genomic loci. He made use of catalytically inactive dCas9 by fusing it to an engineered...only 1 min. Using these lentiviral plasmids, catalytically inactive Cas9 (dSpyCas9) fused to APEX2 is expressed...
  27. The Strength of Story Telling

    Type
    Blog Post
    Published
    Dec. 19, 2017, 2 p.m.
    ...Storytelling is a crucial part of interpersonal communication, which makes honing your ability to tell stories...Addgene Blog Check out our blog posts on science communication Find interviews scientists in SciComm careers... science communication...
  28. Plasmids 101: TOPO Cloning

    Type
    Blog Post
    Published
    Oct. 27, 2016, 2:30 p.m.
    ...insert comes from using Taq polymerase for the amplification step since Taq polymerase leaves a single deoxyadenosine...rejoining supercoiled DNA ends to facilitate replication. The TOPO technique specifically uses Vaccinia...Addgene.org Find More Plasmid Cloning Protocols Catch Up On Your Basic Molecular Biology Techniques Watch...
  29. Plasmids 101: A Brief History of Plasmids and an Improved eBook!

    Type
    Blog Post
    Published
    Oct. 29, 2015, 2:30 p.m.
    ...clarify the classification of these cytoplasmic inheritance factors. He proposed the catch-all term “plasmid... as bacterial conjugation and recombination, replication and topology, and cloning and gene expression...
  30. Fluorescent Protein Travel Awards - Protein Variants, a Serotonin Sensor, and an Artificial Leaf Replica System

    Type
    Blog Post
    Published
    June 4, 2019, 1:02 p.m.
    ...research. This year, we put out another call for applications. We had an overwhelming response and were excited...sensor with proof-of-principle experiments that replicate current knowledge, but the sensor can also kinetically...fluorescent proteins are made. As the bacterial replicate, fluorescent proteins will be diluted out and ...
  31. New Neuroscience Tool: The iGluSnFR3 Glutamate Sensor

    Type
    Blog Post
    Published
    April 7, 2022, 1:15 p.m.
    ...Glutamate plays a variety of roles in synaptic communication and can trigger other forms of neuronal signaling...SF-Venus-iGluSnFR). iGluSnFR3: Improved Glutamate Indicators for Synaptic Imaging However, the first two generations... 30377363 Aggarwal, Abhi, et al. . “Glutamate indicators with improved activation kinetics and localiation...
  32. K. phaffii: Rising to the Occasion

    Type
    Blog Post
    Published
    April 4, 2023, 1 p.m.
    ...2017). Beyond human relevance, yeast have many applications in food science and biotech due to its fermentation... ancient yeast strains and metazoan cells.   Applications for K. phaffii There’s a number of different...is exceptionally good for post-translational modification of recombinant protein products, specifically...
  33. FPbase: A new community-editable fluorescent protein database

    Type
    Blog Post
    Published
    May 16, 2018, 1 p.m.
    ...non-trivial, however, as FPs are tremendously complicated entities with a large range of characteristics...decision remains spread across literature in publications that introduce these tools. Years ago, Kurt...incorporate FPbase data in their own projects and applications, a REST API allows programmatic retrieval of...
  34. Predicting Adverse Reactions to Monoclonal Antibody Drugs

    Type
    Blog Post
    Published
    Feb. 13, 2024, 2:15 p.m.
    ...silico approach The in silico approach cannot replicate the complexity of antigen processing events that...This system would somewhat act like a 2-step verification. All approaches have their own limitations. ... together can inform decisions about in vivo application and clinical testing. This would pave the way...
  35. Expanding the Targeting Scope and Editing Efficiency of Adenine Base Editors

    Type
    Blog Post
    Published
    March 17, 2020, 1:32 p.m.
    ... specific DNA base changes and consist of a catalytically impaired Cas protein (dCas or Cas nickase) fused... SpCas9. In order to expand the gene-editing applications and targeting scope of ABEs David Liu’s lab ...through many rounds of mutations, selection, and replications per day.  The PACE and PANCE systems use M13...
  36. Plasmids 101: Transformation, Transduction, Bacterial Conjugation, and Transfection

    Type
    Blog Post
    Published
    June 25, 2019, 12:54 p.m.
    ...Scientists can also use electroporation, the application of an electrical charge to cells, to increase... properties. The phagemids are packaged into replication-incompetent phage particles with assistance from... found on an episome, a piece of DNA that can replicate on its own or be integrated within a bacterial...
  37. Building and Validating Recombinant Antibodies: A Case Study

    Type
    Blog Post
    Published
    April 5, 2022, 1:20 p.m.
    ...cDNA, which  was used as a template for PCR amplification with a degenerate primer set to amplify IgG ...  While screening by IF-ICC worked well for identification of the correct clones, it was determined that...through functional assays. Following functional verification, the R-mAb expression plasmids were DNA sequenced...
  38. Antibodies 101: Monoclonal Antibodies

    Type
    Blog Post
    Published
    June 29, 2021, 1:15 p.m.
    ...cells and antibody-producing B cells that cannot replicate, meaning that only hybridomas will survive this... Antibodies: Distinguishing Characteristics, Applications, and Information Resources. ILAR Journal 46:... the Addgene blog Learn more about research applications for antibodies in Intro to Antibodies Read about...
  39. Sharing is Caring: But How to Distribute Open Hardware?

    Type
    Blog Post
    Published
    Feb. 28, 2023, 2:15 p.m.
    ...convinced that most microscopy techniques can be replicated with commercially available consumer-grade components... tools has allowed the community to regularly replicate designs worldwide. Distributing hardware via globally...Hohlbein, et. al., 2022). A more open way of communicating in science brings stronger networking across...
  40. Enabling Precision Functional Genomics with the Target Accelerator Plasmid Collection

    Type
    Blog Post
    Published
    May 11, 2017, 2:30 p.m.
    ...historical standard. Specifically, in our recent publications, we used the cancer plasmid collections listed...pathway reference collection is described in this publication We also wrote an extensive review on the exciting...data generated from these alleles in the above publications), it will be possible for many others to perform...
Showing: 521 - 560 of 821 results