We narrowed to 885 results for: ANT;
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TypeBlog PostPublishedMarch 21, 2023, 1:15 p.m....allows you to infect cells and deliver cargo, it’s important to understand their differences to choose the ...used to achieve transient, high expression of the relevant cargo without the fear of random genomic integration...non-integrating and infect non-dividing cells. AAVs primary advantage over adenovirus is their low immunogenicity, which...
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Synthesized by Ginkgo Bioworks, Shared by Addgene: SARS-CoV-2 Plasmids for Many Expression Systems
TypeBlog PostPublishedMay 19, 2020, 1:15 p.m....updated Jul 20, 2021. By Will Arnold and Shreya Vedantam Accelerating research by improving the availability...expression vectors containing various spike protein variants are also available. Plasmids are continually added...these plasmids available for scientists speedily meant that we had to revamp some of our quality control... -
Addgene’s Viral Service - Why Virus? Why Now?
TypeBlog PostPublishedMarch 23, 2017, 2:30 p.m....self-supporting service so that Addgene is not dependent on grants. Aiming to operate under a similar model for our...word out about this new resource and providing fantastically useful educational content on viral vectors.... Addgene’s Legal Team acquired permission from relevant plasmid depositors and their institutions to distribute... -
Top Requested Lentivirus and AAV of 2016
TypeBlog PostPublishedJan. 6, 2017, 3:56 p.m....The lab additionally recommends using an anti-mCherry antibody rather than endogenous mCherry fluorescence...transduction with this virus. While various Cas9 mutants have been engineered to perform unique editing ... -
Early Career Researcher Toolbox: Social Media for Scientists
TypeBlog PostPublishedDec. 11, 2018, 12:46 p.m....handle, but I wasn’t using them to my professional advantage. It wasn’t until I wrote a blog post about a research...start using social media to their professional advantage, I’ve selected five resources that have tips for...can fit into a researcher’s work day. It’s also important to remember that it’s not the amount of time you... -
Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering
TypeBlog PostPublishedMay 3, 2018, 1:48 p.m....immunogenicity. But these studies also identified other advantages, including Cas13d-specific regulatory proteins... makes WYL proteins an intriguing counterpart to anti-CRISPR proteins that negatively modulate the activity...efficiency; where shRNA treatment produced 500-900 significant off-targets, CasRx displayed zero. Unlike Cas9... -
Improved Plasmid Maps Powered by SnapGene
TypeBlog PostPublishedJune 29, 2017, 1:06 p.m.... a variety of common plasmid features such as antibiotic resistance genes, selectable markers, promoters... files Once you’ve identified a plasmid that you want to learn more about, updates to our sequence analyzer...used to indicate them on the map, direction (if relevant), and types. Types listed are standard GenBank... -
Multiplex Genome Editing with CRISPR-Cpf1
TypeBlog PostPublishedMay 9, 2017, 2:12 p.m.... Multiplexing Method Delivery Method Advantages Disadvantages References Yamamoto Lab Golden Gate ...Multiplexing crRNA expression with Cpf1 The key advantage of multiplexing crRNA expression with Cpf1 is ... -
Hot Plasmids - June 2019 - Optogenetics, Acoustic Reporter Genes, microRNAs, and the CRISPR-Cas9 system CHIME
TypeBlog PostPublishedJune 6, 2019, 12:41 p.m.... 1990’s, microRNAs (miRNAs) are recognized as important regulators of post-transcriptional gene expression...in vivo, the non-immunogenic violet-excited GFP variant Vex. To understand the impact of this gene editing...immune response other than what would be the anticipated effect of the targeted gene. CHIME can also be... -
How to Keep a Lab Notebook for Bioinformatic Analyses
TypeBlog PostPublishedJune 2, 2016, 2:30 p.m....may seem tedious at first, especially since you’ll want to dig in to the computation, but they will serve...specific goal for each analysis will help you locate relevant information in the future. Approach: Outline...can store any power point, excel, or other files relevant to the project. README: The README.txt document... -
RaPID Detection of RNA-protein Interactions
TypeBlog PostPublishedAug. 16, 2018, 12:40 p.m.... and that’s just to name a few. But what if you want to study RNA-protein interactions? The characterization...RNAs and proteins with UV light, followed by an antibody pulldown of a protein of interest, much like using...disease. RaPID can also be used to test how RNA variants associated with human disease affect protein binding... -
Simple CRISPR-based Epigenetic Editing: dCas9-directed DNA Demethylation
TypeBlog PostPublishedDec. 14, 2021, 2:15 p.m....scientific conference or a karaoke bar), you probably want to sigh. The problem is that many of these studies...Sapozhnikov and Szyf 2021, Charlton et al. 2020). Most importantly, TET proteins affect transcription independent... directly inside the gRNA sequence is a great guarantee that DNMT1 will be blocked (within PAM works, ... -
Synthetic promoter AAVs for cell-type specific expression in retinal cells
TypeBlog PostPublishedMarch 12, 2020, 1:15 p.m....where you want it to? Knowing that a gene is expressed in a particular cell type is important not only ...Gross-Scherf, B., Morikawa, R.K., Rompani, S.B., Hantz, P., Szikra, T., Esposti, F., Cowan, C.S., Bharioke... -
Educational Planarian Tools for Teaching Developmental Biology Techniques
TypeBlog PostPublishedMay 24, 2018, 1:20 p.m....riboprobe binding (via hybridization) specific antibodies that detect the mRNA-riboprobe complex are added...stain the cells that contain this mRNA-riboprobe-antibody complex and, as a result, these cells turn blue...Addgene. If you use these published protocols and want to share pictures, feedback etc. please write to... -
Nanoblades: Tiny CRISPR Ninjas for Genome Editing Difficult Cells
TypeBlog PostPublishedSept. 26, 2019, 12:50 p.m.... deliver Cas9 variants, such as a transcriptional activator dCas9-VPR, if these variants are fused to ...Mature Nanoblades then bud into the cell culture supernatant and can be purified by centrifugation. Gag-Cas9... -
Open Resources and Plasmid Tools For Studying C. elegans
TypeBlog PostPublishedJuly 18, 2019, 12:55 p.m....publication. 3’UTRome The 3’UTRs of mRNA are important for post-transcriptional regulation in C. elegans...Dynamics Database (WDDD) The WDDD aims to acquire quantitative data on all the cell divisions of the C. elegans...lab in 2015 adapted the AID system discovered in plants to conditionally deplete proteins of interest in... -
Hot Plasmids - October 2020
TypeBlog PostPublishedOct. 13, 2020, 1:15 p.m....active in vitro and in human and plant cells. Its small size offers advantages for cellular delivery. Get ...integration and connectivity without the constraints of antibody labeling. This opens the door to in vivo experiments... -
Cpf1 Update: Comparison to Cas9 and NgAgo
TypeBlog PostPublishedJuly 14, 2016, 2:30 p.m.... Zhang’s lab characterized two Cpf1 nucleases, distant cousins of well-known Cas9. Cpf1 cleaves DNA in...2015). PubMed PMID: 26422227. Potential advantages of Cpf1 Type II CRISPR systems based on Cas9 ...efficiency across CRISPR nucleases and NgAgo is an important next step for the field. Based on what we know... -
Twenty Years of Addgene Sharing: CRISPR
TypeBlog PostPublishedApril 18, 2024, 1:15 p.m....with all these CRISPR plasmids (and libraries)? We wanted to know, so we classified CRISPR plasmids containing...other countries, from Japan to Australia, are significant depositors and requestors. CRISPR tools are developed...our CRISPR depositors and requestors. Thank you! Want to dive deeper into Addgene’s CRISPR data? Read ... -
The Scientific Conference Poster Session: Tips for Success
TypeBlog PostPublishedAug. 29, 2019, 12:50 p.m....poster you want to know more about? Interested in doing a postdoc in a presenter’s lab? Want to collaborate...breaths the day-of, you’ll handle them with ease. Anticipate questions: When practicing with your colleagues... -
Google Forums Round Up: First Impressions of NgAgo
TypeBlog PostPublishedAug. 4, 2016, 2:30 p.m....difficult” GC-rich regions of the genome, which seem resistant to Cas9 cleavage (1). Both the CRISPR-Cas9 and...researchers were unhappy with the new method and 65% wanted to wait until someone else optimizes an NgAgo protocol...wouldn’t be a surprise if someone came up with a mutant NgAgo (or a novel endonuclease) protein that can... -
Viral Vectors 101: The Retroviral Lifecycle
TypeBlog PostPublishedJuly 27, 2023, 1:15 p.m....Structure of a retrovirus. Image re-used from Dong & Kantor, 2021 under CC-BY license. Figure 2 gives a...is present in the capsid, as the engineered, recombinant genome is (thankfully) gutted of many essential...1406488. PubMed Central PMCID: PMC372876 Dong, W., & Kantor, B. (2021). Lentiviral Vectors for Delivery of ... -
CRISPR Between the Genes: How to Experiment with Enhancers and Epigenomics
TypeBlog PostPublishedAug. 9, 2016, 2:30 p.m....(ESCs). Your ChIP-seq finds just over 13,000 significant binding peaks for NANOG in the human genome. .... But not all of those 13,000 regions are important for maintaining ESCs. So which of these 13,000 regions...cells compact DNA in a way that brings linearly distant regions close together. gRNA Selection and Filtering... -
Cpf1: A New Tool for CRISPR Genome Editing
TypeBlog PostPublishedOct. 14, 2015, 2:30 p.m....After sequencing and searching for cellular RNAs important for Cpf1 function, they found that mature crRNAs...staggered pattern similar to FnCpf1. Potential advantages of Cpf1 over Cas9 Type II CRISPR systems based... Direct synthesis of these crRNAs should be significantly cheaper than that of the ~100 nt crRNA/tracrRNA... -
Twenty Years of Sharing: Addgene's Viral Vector Service
TypeBlog PostPublishedJuly 30, 2024, 1:15 p.m.... the Addgene repository can save researchers significant time and removes a variable from the lengthy ...from 2016–2023 by type of tool. Equally as important to what is being delivered is where it’s being...trends in our own repository data, giving us significant insight into which vectors are likely to be of... -
New Acoustic Reporter Genes: Ultrasound Imaging of Gene Expression
TypeBlog PostPublishedJan. 24, 2023, 2:15 p.m....fluorescent protein control. We also added the toxin-antitoxin stability cassette Axe-Txe so that the plasmid...plasmid could be maintained in the absence of antibiotics, resulting in the plasmid pBAD-bARGSer-AxeTxe (Fig...agents to boost expression to appreciable levels. We wanted to create second-generation mARGs with higher expression... -
Using Video to Share Your Science: We Share Science
TypeBlog PostPublishedNov. 3, 2016, 2:30 p.m....continue to rely on printed journal articles as the dominant tool for sharing ideas. This leads to everyday...platforms (such as social networking, visual appeal, instant sharing across multiple other sites), I created...learn about the results of studies on reducing antibiotic prescriptions for respiratory tract infections... -
The Challenges of Cell Culture
TypeBlog PostPublishedMay 5, 2016, 2:30 p.m....biochemical assays followed by in vivo testing. The mantra being “you can’t trust those whacky cell lines”...contamination with HeLa being the most frequent contaminant, closely followed by T24 bladder cancer cells...repository like the ATCC, there are times when it is important to check their identity. For example, perhaps ... -
Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus
TypeBlog PostPublishedSept. 1, 2020, 1:15 p.m....fragments are likely non-functional, they could be dominant-negative and/or toxic. A potential solution is..., was 81% of that from a single vector, but significantly greater than the expression from an overlapping...While the hybrid dual vector system has a slight advantage over the overlapping and trans-splicing approaches... -
FLEx Technology and Optogenetics: Flipping the switch on gene expression with high spatial and temporal resolution
TypeBlog PostPublishedOct. 17, 2019, 12:28 p.m....photo-stimulated through fiberoptic cannulas directly implanted in the injection site and connected to a laser...Taylor et al., 2016; Hooper and Maguire, 2016). Recombinant adeno-associated viruses (rAAVs) have become ... The resulting fusion gene is inserted in the antisense orientation with respect to the promoter to prevent...