We narrowed to 1,106 results for: Ide
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TypeBlog Post...Addgene Resources Cre-lox Resource Guide Fluorescent Protein Resource Guide Fluorescent Protein Blog Posts...single heavy chain, and they are small and stable inside cells. Nanobodies binding GFP were designed in ...these fusions retained the ability to bind GFP. The idea of using GFP as a scaffold suddenly seemed very ...
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Plasmids 101: Cre-lox
TypeBlog Post...translational termination features with loxP sites on either side (often called a “lox-stop-lox” or “LSL” cassette...knockout – conversely, putting the loxP sites on either side of a gene (called “floxing”, for “flanked by loxP...experimental constraints. This has been used for a wide range of purposes, including activating an oncogene...switch recombination at individual switch regions evidenced through Cre–loxP–mediated gene targeting. Gu, ... -
Nanoblades: Tiny CRISPR Ninjas for Genome Editing Difficult Cells
TypeBlog Post...respectively. Primary cell type Gene targeted by guide Editing efficiency hiPSCs EMX1 67% Mouse BM...in cells electroporated with RNPs using the same guide. Nanoblades also had lower off-target effects when...insertion of a DNA sequence ranging from a single nucleotide change to large insertions like the addition ...Addgene.org Check out our comprehensive CRISPR guide Find CRISPR plasmids and resources Learn about viral... -
Hot Plasmids and Viral Preps - March 2021
TypeBlog Post...through our hot plasmids articles. These articles provide brief summaries of recent plasmid deposits and ... cells that make up the human body and G-baToN provides versibility in tracking and modulating the interactions...libraries encode target sites flanked by randomized nucleotides in place of a protospacer adjacent motif (PAM... viral aliquots from our plasmid collection to provide ready-to-use viral preps. Here are some of the ... -
CRISPR in the Clinic
TypeBlog Post...rescued by zygote co-injection of Cas9 and a single-guide RNA targeting the mutant allele. When all was said...hATTR) hATTR is caused by a variety of single nucleotide polymorphisms (SNPs) in the TTR gene and is molecularly...Off-target effects are also important safety considerations for all CRISPR therapies, but especially concerning...CRISPR therapies have made significant clinical strides since we first wrote this blog post. The future... -
CRISPR 101: Anti-CRISPR Proteins Switch Off CRISPR-Cas Systems
TypeBlog Post...CRISPR Background with Our Guide Pages Other Links Check out Pawluk et al's Video Abstract Read up on All...off-target edits of base editors, which convert a nucleotide base pair to another base pair at a specific .../35++ Adenovirus Vector Expressing Anti-CRISPR Peptides Decreases CRISPR/Cas9 Toxicity in Human Hematopoietic... -
Fluorescent Proteins 101: Introduction to FRET
TypeBlog Post...measure the tension in the helical structure of spider silk, or the activity of a protein in a synapse... observed light emission by fluorescence. The widespread use of FRET with fluorescent molecules, including...As the choice of fluorophore pairs is a key consideration for a FRET experiment, the possibilities can...PMCID: PMC3810607. 2. Bajar, Bryce T., et al. "A Guide to Fluorescent Protein FRET Pairs." Sensors 16.9... -
Quickest Way to Deposit Plasmids: The Deposit Spreadsheet
TypeBlog Post... are considered large deposits and are exceptions to our standard workflow. Table 1: Guidelines for the...Plasmids with Addgene” blog post for a thorough guide to our online data entry process. Figure 1: Begin...application of the plasmid and will help a scientist outside your field understand if this plasmid will work... -
Experimenting in an Open Source lab: from CRISPR to Cats
TypeBlog Post...bigger movement in a variety of research sectors to provide open source technologies and spaces where interested...One of the aspects of this project that makes it ideal for makerspaces is the data is freely available,...projects). This allows the project to be open to a wider group of people. This is a perfect starter project...equipment becomes obsolete amazingly fast, but with a wide range of skills among our members we’ve managed ... -
Hot Plasmids: Summer 2025
TypeBlog Post...fluorescent proteins just haven’t met your needs, consider trying mGold2s or mGold2t for your next experiments...TnpB is directed to genomic targets using an RNA guide (known as an omega RNA, or ωRNA) (Figure 2), but...Weiss, T., et al. (2025). Viral delivery of an RNA-guided genome editor for transgene-free germline editing... Mike Lacy Whether you’re planning on lounging poolside or swimming laps, Addgene has pooled libraries... -
Degrading DNA with Cascade-Cas3
TypeBlog Post...powerful than it is. The nuclease domain of Cas3 is considered weak, especially compared to the power of Cas9...Repetitive DNA reeling by the Cascade-Cas3 complex in nucleotide unwinding steps. Molecular Cell, 70(3), 385-394...Liao, M., & Ke, A. (2018). Structure basis for RNA-guided DNA degradation by Cascade and Cas3. Science, 361...CRISPR-Transposons Additional resources on Addgene.org CRISPR guide Cascade-Cas3 Plasmid collection ... -
Tips for a 1st time AAV user (by a Rookie AAV user)
TypeBlog Post...plasmids to produce AAV: 1) the RepCap plasmid which provides the AAV replication (rep) and capsid (cap) genes...primarily found in the culture media, you should consider performing PEG precipitation. Instead of sonicating... details. Pro tips Watch this AAV purification video! It didn’t exist when I did my first iodixanol gradient... gradient purification, but I wish it had. The video gives a brief overview of how iodixanol purifications... -
10 Basic tips for mammalian cell culture
TypeBlog Post...of contamination for your experiments, the bright side is that you also have the power to take the added...working with so that cross-contamination can be identified. Even if some mammalian cells lines have similar...check under the light microscope will help you identify bacterial and yeast contaminants. Set up a routine...will help you avoid cross-contamination through accidental mixing and will also help you keep good records... -
Viral Vectors 101: Producing Your rAAV
TypeBlog Post...There are several facilities nationwide where you can obtain excellent quality, high titer rAAV (including...certain in vitro and in vivo applications, you can consider using unpurified AAV from the supernatant (Goodwin... in precision and variability, qPCR is the more widely used method due to the accessibility of instruments...101 series! This post was originally written by Didem Goz Ayturk and updated by Ina Ersing in August 2023... -
3D Printing Meets CRISPR Cas9
TypeBlog Post...crystallographer working with Jane Richardson, provided an initial solution to this problem with the development...the surface of the protein where the nascent polypeptide emerges from the exit channel. He then said...allow the complementary base pairing between the guide RNA and the target DNA strand, and then activate...User Resources on Addgene.org Visit Our CRISPR Guide Page CRISPR/Cas9 History Browse All CRISPR Plasmids... -
Sharing Your Lab Protocols: Using Apps to Save Time & Track Your Experiments
TypeBlog Post...After learning of it's continued popularity, I decided this protocol would be a worthy first contribution...protocols. After my introduction to protocols.io, I decided to research what other online (and mobile) tools...www.addgene.org/ If you’re working with plasmids and you decide to share them using Addgene’s repository, you can...and allows scientists to contribute protocols or provide links to protocols on their own websites. We're... -
Interview: Nicola Patron on Plant Synthetic Biology, MoClo, and More
TypeBlog Post...wanted to expand the toolkit. We have included a wider range of terminators than are commonly used as we...rusts and we are collecting sequences that will provide a similar resource for those involved in monocot... really and we’ll be producing an instructional video soon to make it easier for people to use the Golden...think plant biology is massively underfunded considering how important it is. I would really like to reach... -
Drew Endy Introduces the Biobrick Public Agreement Plasmid Collection
TypeBlog Post...DNA systems capable of storing data and computing inside living cells. He's also a co-founder of the BioBricks...Champion of Change, a program created as part of President Barack Obama's Winning the Future Initiative. ...proteins. That's central to everything that goes on inside a cell. Until we get a handle on precise, forward...promise that we could instead have things like peptide or RNA aptamers that act as genetically encoded... -
Getting to Know Expansion Microscopy
TypeBlog Post...Microscopy. What is Expansion Microscopy? ExM provides a straightforward answer to the space problem....minimized through tweaks to these steps. But even under ideal polymerization and digestion conditions, loss of...Bournonville L, et al (2021) Expansion microscopy provides new insights into the cytoskeleton of malaria ...Sommer C, Rizzoli SO, Danzl JG (2019) A practical guide to optimization in X10 expansion microscopy. Nat... -
Capturing a Moment with Marc Zimmer’s “The State of Science”
TypeBlog Post...inclusion of some interesting case studies, and Zimmer provides several. In Part Three of the book, called simply... and her essential-but-unlauded role in the identification of DNA’s double helix. Perhaps to the dismay...dismay of middle-aged scientists, the identification of Green Fluorescent Protein (GFP) and its development...(for funding, etc.) with that produced by the confident and flamboyant Watsons.” In Part Four, “New Science...