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Showing: 41 - 60 of 645 results
  1. Addgene Depositors Get More Citations

    Type
    Blog Post
    Published
    April 20, 2017, 2:30 p.m.
    ...associated plasmids with Addgene. Since then, Addgene has filled over 6,500 requests for these plasmids. While...without plasmids at Addgene To find out whether scientific articles associated with Addgene plasmid deposits...those containing plasmids that the authors deposited with Addgene and those without plasmids deposited with...2,596 of which had plasmids deposited with Addgene. Articles with Addgene plasmids get more citations ...with plasmids deposited at Addgene – typically about four times as many as papers without plasmids deposited...Papers without Addgene Plasmids in Journal (E) Percent of Papers with Addgene Plasmids in Journal (F) Weight...more interestingly, could we tell if depositing a plasmid with Addgene causes a paper to get cited more? ...
  2. Addgene's Tips for Plasmid Quality Control

    Type
    Blog Post
    Published
    Jan. 14, 2016, 3:30 p.m.
    ...sharing plasmids through Addgene is that we provide an added level of confidence in the plasmids we distribute...ensuring plasmid quality is to stay organized. Here at Addgene, we collect data on every plasmid we distribute...cloned into the plasmid) and any other important features that differentiate this plasmid from its predecessor...sequence analysis, plasmid verification, and using NCBI BLAST. Tips for high-throughput plasmid sequencing If...on the Addgene Website View our Plasmid Reference Pages Get Plasmid Backbone Information from Our Vector...distribute through our quality control processes. Every plasmid we receive is rigorously verified before becoming...take to verify the identity and quality of the plasmids we make available and provide some advice on the...
  3. Viral Vectors 101: Parts of the AAV Transfer Plasmid

    Type
    Blog Post
    Published
    Aug. 11, 2020, 1:15 p.m.
    ...with some plasmids. You just need three plasmids to start making AAV:  the packaging plasmid which contains... transfer plasmid an AAV transfer plasmid. ITR sequences are 145 bases each and AAV plasmids have two ...of an AAV transfer plasmid. Parts shown in green are key elements of an AAV plasmid. Parts shown in grey... elements of an AAV plasmid First let’s talk about the key parts of an AAV plasmid. Inverted terminal ...transfer plasmids have a promoter, but this element isn’t required when the transfer plasmid harbors non-coding...Transfer Plasmid video!   Now you’ve got a basic understanding of some common AAV plasmid elements!...structural and packaging genes, the adenoviral helper plasmid which contains the proteins needed for the virus...
  4. Stabilized Bacterial Promoters: Constant Gene Expression at any Copy Number

    Type
    Blog Post
    Published
    Sept. 4, 2018, 12:53 p.m.
    ...this case, plasmid copy number is the input and gene expression is the output. The input, plasmid copy number...to decouple gene expression and plasmid number. In a suite of plasmids modified from pSC101 with copy ...of all types of plasmids, the stabilized promoters were also tested in different plasmid backbones that...stationary phase, the number of plasmids per cell increases 4-5 fold (for pUC plasmids) or ~2 fold (for p15a, ...RepA is a plasmid replication initiator protein, they could alter copy number of the plasmid by altering...genome or a plasmid. Thus, a stabilized promoter can allow a system to be moved from a plasmid to the genome...special collections page Download the Plasmid 101 eBook See all plasmids deposited by the Voigt lab ...
  5. Your Lentiviral Plasmid FAQs Answered

    Type
    Blog Post
    Published
    April 23, 2014, 1:08 p.m.
    ...four different plasmids into the producer cells (two packaging plasmids, an envelope plasmid, and the lentiviral...generation systems consist of an envelope plasmid and a packaging plasmid encoding HIV proteins gag, pol, rev...generation systems require an envelope plasmid, and two packaging plasmids, one encoding gag and pol and a second...transfer plasmids replication competent? What is SIN? A6: Most (if not all) Addgene transfer plasmids are ... 30% of the transfer plasmid. Many transfer vectors are SIN. Packaging plasmid(s) contain the minimal...Addgene's most popular lentiviral plasmids Overview of Lentiviral Packaging Plasmids Lentiviral Protocols and ...Addgene has an extensive collection of lentiviral plasmids created for a variety of applications including...
  6. Spurred by COVID-19, Addgene Bridges Plasmid Sharing Between Academia and Industry

    Type
    Blog Post
    Published
    June 23, 2020, 1:15 p.m.
    ...Ginkgo Bioworks COVID-19 plasmid collection Beyond COVID-19: Addgene’s plasmid collections available ...COVID-19 plasmids to industry scientists in the short term, did you know we have other plasmid collections...organizations have made their plasmids available beyond academia. For example: Plasmids from the Michael J. Fox...and plasmids from several labs at Florida State University became openly available. Find plasmids available... more about the Ginkgo COVID-19 plasmid collection Read about plasmids in the COVID-19 collection ...one critical part was missing when the COVID-19 plasmids first became available: distribution was limited...limited to academic scientists. Expanding plasmid sharing during COVID-19 Realizing this limitation, we ...
  7. Suggest A Plasmid You'd Like to Find at Addgene

    Type
    Blog Post
    Published
    March 16, 2016, 5:30 p.m.
    ... with #suggestaplasmid, the name of the plasmid and a publication where we can find the plasmid. While...Oh! This plasmid would be perfect for my next experiment!” but were unable to find the plasmid at Addgene...here to help with our Suggest a Plasmid Campaign. How to suggest a plasmid The scientists at Addgene work...community, we’re asking you for plasmid suggestions. Can’t find a plasmid you’re looking for in the repository... our "Suggest a Plasmid" form Fill out the form with the name of the specific plasmids you’d like to suggest...work hard to seek out plasmids to add to our collections pages, to comb through the literature for potential...  suggest a plasmid...
  8. Plasmids for Endogenous Gene Tagging in Human Cells

    Type
    Blog Post
    Published
    April 6, 2017, 1:02 p.m.
    ...Science Plasmid Collection Fluorescent tagging strategy   The first step in creating the plasmids was to...Designing the donor plasmid A key feature of our methodology is the use of a donor plasmid that contains long...found within the homology areas of the plasmid to prevent the plasmid from being cut and destroyed by CRISPR... enter the cells so they can go to work. Plasmids, plasmids everywhere To find out more about gene edited...expensive for many labs. We’ve created and tested plasmids that use CRISPR/Cas9 to endogenously tag a wide...wide variety of genes with GFP. These plasmids are available through Addgene, and the stem cell lines we...found in the Cell Catalog on our data portal. The plasmids should be functional in many different human cell...
  9. Plasmid Preps: Different Purity, Different Quantities, Different Uses

    Type
    Blog Post
    Published
    June 16, 2020, 1:25 p.m.
    ...Not all plasmid preps are the same. Before purifying a plasmid from a bacterial culture, it is important... into a plasmid backbone. Transfection grade DNA Figure 3: Need to introduce plasmids into mammalian... an external plasmid in mammalian cells and it will likely require micrograms of plasmid DNA for each ...utilize your plasmid DNA, so that you can decide what will be the optimal type of plasmid preparation ...Addgene blog Browse blog posts on plasmid cloning Read our Plasmids 101 blog posts Learn about the differences...purity. Based on these premises we can classify a plasmid preparation in 3 different ways: Transformation...Transformation introduces transformation grade plasmids into a bacterial cell. Transformation grade...
  10. Hot Plasmids: Bacillus subtilis Libraries, iPSC Reprogramming, CRISPR Tools, & More!

    Type
    Blog Post
    Published
    Dec. 11, 2017, 2:02 p.m.
    ... this Hot Plasmids episode! Hot plasmids covered in this segment Hot Plasmid 1: B. subtilis knock out ... find additional hot plasmids in our quarterly newsletter or on our hot plasmids webpage. Listen to this...In the fourth episode of our Hot Plasmids podcast series, you'll learn about new libraries for studying...studying B. subtilis biology, plasmids for enhancing iPSC production, and CRISPR tools for plants. You can... Our segment on the B. subtilis libraries. Hot Plasmid 2: Transcription factor fusions modulate iPSC reprogramming... segment on modulating iPSC reprogramming  Hot Plasmid 3: Regulating telomere length with TZAP. Listen...segment on regulating telomere length with TZAP Hot Plasmid 4: CRISPR tools for use in plants.  Listen to the...
  11. Hot Plasmids Podcast Episode 3: Optogenetics Tools, Improved CRISPR Base Editors, & More!

    Type
    Blog Post
    Published
    Oct. 25, 2017, 1 p.m.
    ...additional hot plasmids in our newsletter or on our hot plasmids webpage.   Hot plasmids covered in this...Segmennt of Improved CRISPR Base Editors Hot Plasmid 4: pPSU Plasmids for generating DNA molecular weight markers...In the third episode of our Hot Plasmids podcast series, you'll learn about optogenetics tools for controlling...this segment Hot Plasmid 1: Photocleaveable PhoCl protein for controlling molecular processes with light.... Listen to Our Segement on PhoCl Segment  Hot Plasmid 2: Ouabain selection for increased CRISPR editing...Listen to the Segement on Ouabain Selection  Hot Plasmid 3: CRISPR base editors with enhanced range and ...markers.  Listen to the Segement on the pPSU Plasmids Special thanks to our sound engineer/producer, ...
  12. Improved Plasmid Maps Powered by SnapGene

    Type
    Blog Post
    Published
    June 29, 2017, 1:06 p.m.
    ...SnapGene powered plasmid maps at Addgene  Three factors make our SnapGene powered plasmid maps far easier...easier for you to share plasmid information with colleagues, or explain plasmid features to a lab member... on the main plasmid page under the "Resource Information" section. Analyze your plasmid sequence For ...over from our users: "Please, please improve your plasmid maps!" After thoughtful design, vetting, and tweaking...tweaking, we’re excited to announce that our plasmid and sequence displays are now powered by GSL Biotech's...software and extensive feature library, our updated plasmid and sequence displays are now much easier to interpret...how they’ll make it easier for you to find the plasmids you need. We'll be monitoring and improving the...
  13. Activate Addgene's "Find Plasmids" Badge on Pubmed Abstracts

    Type
    Blog Post
    Published
    May 12, 2017, 12:58 p.m.
    ...Addgene “Find Plasmids” badge in the image below. If an abstract on PubMed has the “Find Plasmids” badge, you...you’ll find new plasmids. Simply click on the badge to be taken directly to the plasmids on Addgene’s site...you should see the “Find Plasmids” box on papers that have deposited plasmids. Now that you know how ...Order Plasmids from Addgene Check Out Our FAQ Pages Browse Plasmids ...thought - Is there an easy way to find published plasmids? Do you spend a lot of time in PubMed searching...you can use PubMed to see which articles contain plasmids deposited at Addgene from the abstract page. Check...article to ensure you understand the features of the plasmids, how they were created, and how to use them in...
  14. Plasmids 101: Restriction Cloning

    Type
    Blog Post
    Published
    Feb. 18, 2016, 3:42 p.m.
    ...covalently binds the plasmid to the new fragment thereby generating a complete, circular plasmid that can be easily...restriction digests for your insert (or donor plasmid) and plasmid backbone. Because you lose some DNA during...insert and 1μg of plasmid backbone. It is also critical that as much of the backbone plasmid as possible be... of the backbone plasmid (see below). You should treat your digested backbone plasmid with a phosphatase...ligations for each plasmid you are trying to create, with varying ratios of recipient plasmid to insert. It...“recipient plasmid : insert ratio” in the ligation reaction. 5. Purify the finished plasmid   Once it...DNA; filter the remaining plasmid DNA through a column that binds the plasmid DNA and lets other materials...
  15. Plasmids 101: NGS Quality Control for Pooled Libraries

    Type
    Blog Post
    Published
    Oct. 26, 2017, 1:59 p.m.
    ...underrepresented plasmids (plasmids that were lost or “dropped out”) and overrepresented plasmids (plasmids that ...In addition to single plasmids, Addgene also distributes pooled plasmid libraries containing hundreds...library contains many plasmids, care must be taken to ensure that all of these plasmids are amplified and ...diversity. If the various plasmids in the library are differently sized, smaller plasmids may be amplified preferentially...hundreds, thousands, or even a million plasmids. These libraries are some of Addgene’s most exciting and versatile...harvested, much like one would prep an individual plasmid. However, lots of library DNA is needed for screening...100 to 1,000 bacterial colonies per individual plasmid in the library. Bacterial growth must also be optimized...
  16. PEI Calculator for Planning AAV Packaging Transfections

    Type
    Blog Post
    Published
    Jan. 23, 2018, 2:04 p.m.
    ...names of the plasmids you plan to use Enter the base pair size of those plasmids Enter plasmid concentration...ratios below: 1 Transfer Plasmid : 1 pHelper: 1 RepCap OR 3 Transfer Plasmid : 5 pHelper: 2 RepCap Select...of each plasmid needed per dish or stack. Calculations are based on using 28 μg of total plasmid (Transfer...per 15 cm dish or 2500 μg of plasmids per CF5 stack. Total ug of each plasmid needed for the whole experiment...packaging typically requires transfecting three plasmids at specific molar ratios. To get these ratios ...transfection calculator for AAV packaging Select the plasmid molar ratio you would like to use for your AAV ...experiment Total volume (μL) of plasmid needed for the whole experiment And here’s the equation the calculator...
  17. London Calling - Addgene’s New Europe Office in London

    Type
    Blog Post
    Published
    June 10, 2014, 3:20 p.m.
    ...Addgene, plasmids, and depositing (all while our US counterparts are still sleeping). Plasmid sharing ...have deposited their plasmids into the Addgene repository. More than 4,500 plasmids have already been deposited...in research, I developed several new plasmids, including: plasmids to study the dimerization of HLA B27... Years of Plasmid Sharing: Interested in more statistics from Addgene's 10 years of plasmid sharing? ...Check out our Top 10 Plasmid Technologies blog post Or look at our "10 Years of Plasmid Sharing" Infographic...emailed. And Addgene has been there to answer your plasmid questions. But until now, you’ve always had to ...Since 2004, Addgene has shipped more than 75,000 plasmids to more than 1,500 different institutions in Europe...
  18. Depositor Week 2020 is Happening Now. Join us!

    Type
    Blog Post
    Published
    Nov. 16, 2020, 2:15 p.m.
    ...While the bulk of these plasmid deposits came in this year, there were some plasmids deposited as early as... We started from 474 plasmid deposits in 2014 which has grown to ~10,000 plasmid deposits per year in ...the scientific community the latest and greatest plasmid tools! Thank you depositors! In fact, this year...quickly. There are over 2,300 COVID-19 related plasmids currently in Addgene’s repository which have been...the GSA’s blog Genes to Genomes about a TMPRSS2 plasmid from Roger Reeve’s lab as an example). Depositor... of the Addgene community. Perhaps you’ll find plasmids and new tools that will speed your science along...and trivia begins! Tuesday: Depositor features (plasmid deposits and blog posts showcasing the work of ...
  19. Hot Plasmids - August 2020

    Type
    Blog Post
    Published
    Aug. 18, 2020, 1:15 p.m.
    ...subset of the new plasmids and viral preps in the repository through our hot plasmids articles. These articles...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need...They generated plasmids tagged with EB3 to mark the growing tips of microtubuli and plasmids tagged with ...and dCas9-VPR targeting plasmids can be found at Addgene. Check out these plasmids for piggyBac gRNA delivery...highlights from recent CRISPR plasmids. To find all of the CRISPR plasmids available from Addgene, head... Find the plasmids at Addgene The MoClo CRISPR/Cas Toolkit for plants includes 95 plasmids consisting...need. If you'd ever like to write about a recent plasmid deposit please sign up here.  Here's what you'll...
  20. The Effect of COVID-19 on Liu Lab Plasmid Requests From Addgene Data

    Type
    Blog Post
    Published
    July 16, 2020, 1:15 p.m.
    ...subfields.  Plasmid requests correlate with paper publication The dataset includes 11,426 plasmid requests...paper has between 1–32 plasmids and a total of 2–2,590 requests. We received plasmid requests from 56 countries...Spikes in plasmid requests correspond to publications of popular papers. Figure 1: Plasmid requests...number of plasmids ordered for each paper. Rough estimation of COVID-19 effect on plasmid requests ...majority of our plasmid orders come from the U.S. and Europe, we see a corresponding dip in plasmid request activity...of how plasmid orders were affected by the COVID-19 pandemic, we compared the number of plasmid orders...Learn more about plasmid sharing during COVID-19 Resources on Addgene.org Find plasmids from David Liu's...
Showing: 41 - 60 of 645 results