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Showing: 181 - 200 of 695 results
  1. 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 ...
  2. New CRISPR Web Resources and #12DaysofCRISPR Recap

    Type
    Blog Post
    Published
    Dec. 12, 2017, 3:13 p.m.
    ...changes we’ve made: New CRISPR plasmid pages We’ve given our CRISPR Plasmids and Resources a fresh new design...design, sorting the plasmids we have available by category. Each plasmid page now has a helpful graphic...introduce you to the plasmid class covered on that page. To help you find popular plasmids, we’ve also added... new plasmid pages that cover some of the hottest CRISPR tools. Base Edit: Base editing plasmids allow...revolution, Addgene has distributed over 100,000 CRISPR plasmids. But that’s not our only job - we strive to also...up with new developments (and, of course, find plasmids that will be useful to you.) With these goals...mind, we set out to update our web resources and plasmid pages to make them more useful and easy to navigate...
  3. Viral Vectors 101: Viral Vector Elements

    Type
    Blog Post
    Published
    July 25, 2023, 1 p.m.
    ...lentiviral plasmids Addgene's most popular retroviral plasmids Addgene's collection of AAV plasmids Addgene...split across several plasmids (often three), for safety purposes. The primary plasmid with the delivered...often a gene) is called the transfer plasmid while the other plasmids with packaging or replication components...of adenovirus plasmids Resources on the Addgene blog Parts of the AAV packaging plasmid Overview of Lentiviral...For safety and production reasons, multiple plasmids with many components are used to package lab grown...can be intimidating at first to look at so many plasmid maps and protocols! In reality, there are many ...components are called helper plasmids. Below, we’ll breakdown the vector components first by virus and then...
  4. Popular Retroviral Vectors and Their Uses in Scientific Research

    Type
    Blog Post
    Published
    July 24, 2018, 12:51 p.m.
    ...separate envelope and packaging plasmids as well as transfer plasmids. This concept ensures safe handling...gamma-retroviral packaging plasmids are not interchangeable. General envelope plasmids, such as VSV-G, may be...Learn more about CRISPR plasmids for transcriptional inhibition. Retroviral Plasmid Kit Retroviral Barcoding...expressing new shRNA sequences pLKO (Plasmid #10878) This plasmid has been used by The RNAi Consortium... genes and transgene expression across several plasmids. The most commonly used viral vector systems are...popular packaging and gamma-retroviral envelope plasmids here. Lentiviral vectors are very versatile tools...guide. Popular packaging and lentiviral envelope plasmids are listed here. Please note that both lentiviruses...
  5. Addgene’s Newest Way to Speed Your Research: The Cloning Grade DNA Service

    Type
    Blog Post
    Published
    July 28, 2020, 1:15 p.m.
    ... after ordering a plasmid you didn't have to grow the bacteria and prep the plasmid before you begin your...with 210 plasmids from the collection. You can find the full list here. Most of these plasmids are empty...cloning experiment? What if after receiving the plasmid from Addgene you could directly start your digest...you can focus on what you want to do with your plasmid without spending time and resources in preparative...research and discovery.” Here are the details. Plasmids offered as cloning grade DNA As we begin testing...molecular cloning. Plus, we decided to include 10 plasmids that can be directly used in the research on the... the SARS-CoV-2. Nine of the overall plasmid selection will be open to industry scientists. This collection...
  6. Download Science-Themed Zoom Backgrounds from Addgene

    Type
    Blog Post
    Published
    April 22, 2021, 1:15 p.m.
    ...lentiviral plasmids include popular envelope and packaging plasmids as well as transfer plasmids. Download...Otherwise, check out our plasmid and DNA backgrounds. Download the blue plasmid background.     You can... the plasmids that Addgene offers by visiting our collections page. Here, you can browse plasmids by field...your favorite reagent, scientific technique, or plasmid repository at your next meeting.     If you’re...cute mascots!  Blugene has been helping us make Plasmids 101 videos and needed a break so they're hanging...coronavirus collection page, where you can find plasmid tools to accelerate your COVID-19 research.  Download...background.         If you’re predominantly a plasmid user, instead, don’t fret; we have backgrounds ...
  7. DIY DNA Ladders from Penn State University

    Type
    Blog Post
    Published
    July 14, 2017, 2:30 p.m.
    ...developed the plasmids, pPSU1 and pPSU2. When restriction digested with PstI or EcoRV, these plasmids generate...Penn State Ladder: Homemade Plasmid Prep Penn State Ladder: Commercial Plasmid Prep Kit Amount 1000 Lanes...Two plasmids that can be used to make inexpensive 100 bp or 1 kb DNA molecular weight ladders were recently...polyacrylamide gels. Get Tips on Verifying Your Plasmid Table 1: Comparing Typical Comericial Ladders...are significantly cheaper. When using a homemade plasmid prep protocol, it cost less than $10 to make 1000... 100 bp or the 1 kb ladder. Using a commercial plasmid prep kit increases the costs to $20-30 per ladder...prep protocol here and the pPSU1 and the pPSU2 plasmids are available from Addgene. Learn How to Analyze...
  8. Building and Validating Recombinant Antibodies: A Case Study

    Type
    Blog Post
    Published
    April 5, 2022, 1:20 p.m.
    ...important collection.  Creating the Plasmids To begin constructing the plasmids for expression of mAbs, the Trimmer...expression plasmids were DNA sequenced to determine the VH and VL sequence. These plasmids have been deposited...scientific community with the plasmid sequences available from each plasmid webpage. Importantly, the methods...Resources on the Addgene blog:  Plasmid-Based Recombinant Antibodies  Plasmids 101: Secondary Nanobody Toolbox...NABOR are recombinant antibodies expressed from plasmids that have been deposited with Addgene. Here, we... first antibodies distributed by Addgene.  The plasmids used to generate these antibodies were based off... to create an amplicon that  was cloned into a plasmid backbone for expression of the mAb heavy and light...
  9. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

    Type
    Blog Post
    Published
    Feb. 10, 2016, 3:30 p.m.
    ...recommended for plasmids up to 25 kb, most cloners should be fine, especially using plasmids in the 10-12...Other Plasmid Cloning Techniques like SLIC and Golden Gate Cloning Learn How to Verify Your Plasmid Read...Reference Pages Choose Your Perfect Plasmid Backbone Find Plasmids for Your Research ...made genomic SDM relatively straightforward, but plasmid-based SDM has lagged behind. While commercial kits... REPLACR (Recombineering of Ends of Linearized Plasmids After PCR). Current site directed mutagenesis...mutation, then use those to PCR amplify the template plasmid. The parental, nonmutated DNA is digested with ...of background colonies carrying the unmodified plasmid. For insertions, it’s possible to use the same ...
  10. In Vivo Biotinylation of Bacterial Fusion Proteins

    Type
    Blog Post
    Published
    Jan. 25, 2018, 2:09 p.m.
    ...about Popular Plasmids in the Repository Learn about New Plasmid Technologies in our Hot Plasmid Articles ...to create a plasmid based on the biotin ligase BirA backbone (Eric Campeau, Addgene plasmid #26624) was...inserting BirA into a pMal plasmid (NEB) thus creating the pMal-T-Avi-His/BirA plasmid now available through...other Hot Plasmids Find Additional Posts on Mol Bio Techniques Find Additional Posts on Plasmid Technologies...controlled easier than formation of GST dimers. Avi-Tag plasmid for improved biotinylation selectivity A common...exploit the best of both worlds. We generated a plasmid that produces biotin ligase and a protein of interest...and a 6X HisTag for affinity purification (see plasmid map and cartoon below). Including biotin in your...
  11. Addgene’s Top 10 Blog Posts from 2014

    Type
    Blog Post
    Published
    Dec. 16, 2014, 8:01 p.m.
    ...loved helping to answer your plasmid and cloning questions through our Plasmids 101 series and by responding...Melina Fan Plasmids 101: The Promoter Region – Let's Go! By Kendall Morgan Plasmids 101: Mammalian...Joanne Kamens Plasmids 101: Antibiotic Resistance Genes By Marcy Patrick Plasmids 101: Yeast Vectors...FAQs Answered! By Caroline LaManna Plasmids 101: What is a plasmid? By Margo R. Monroe Best wishes...as seen through the lens of Addgene’s blog and plasmid repository. Our blog is just over a year old, and...detailed information about this new technology. Our Plasmids 101 series continues to grab scientists’ attention...Genome Editing By John Doench (Guest Blogger) Plasmids 101: Origin of Replication By Kendall Morgan ...
  12. Overcoming the Challenges of Lentiviral Production

    Type
    Blog Post
    Published
    Aug. 7, 2018, 12:31 p.m.
    ... multiple plasmids. Second generation packaging systems use 3 plasmids; an envelope plasmid that usually...encodes VSV-G, a packaging plasmid containing structural genes and a transfer plasmid carrying the transfer...Rev gene from the packaging plasmid and incorporating it into a fourth plasmid. In addition, the promoter...and packaging plasmids in order to obtain the best titers. Requiring an additional plasmid for transfection...By dividing the viral elements across multiple plasmids, the risk of recombination and consequently, the...extra level of safety, they also require a fourth plasmid. The requirement for additional DNA can impact ...thereby affect the titer of the virus. Additional plasmids will also affect experiment optimization. Before...
  13. Introducing Addgene's Microbiology Pages

    Type
    Blog Post
    Published
    June 13, 2016, 7:08 p.m.
    ...Collection page, you can browse for plasmids by species and find our guides, plasmid kits and other resources for...microbial research. Kits, guides, plasmids, and more We have Plasmid Kits for microbial work with fluorescent... To make it easier for you to find plasmids for your work, plasmids in the Microbiology Collection are... a useful plasmid that’s not in the collection? Tell us about it with our Suggest a Plasmid Form! Finally...us at [email protected]. If you are looking for plasmids used in E. coli and yeast, you’re in luck! Addgene...develop resources for your community! To contribute plasmids made in your lab, see www.addgene.org/deposit ...
  14. What's New in CRISPR - Spring 2019

    Type
    Blog Post
    Published
    March 21, 2019, 12:47 p.m.
    ...CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid tools...CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids ...paper in Nature Communications Find the Cas12b plasmids  Plant base editing with a Cas9-adenosine deaminase...wheat. Read the paper in Genome Biology Find plasmids containing these base editors Spatially and ...Neuroscience Find the AAV-based SaCas9 genome editing plasmids String assembly gRNA cloning (STAgR) String ...the paper in PLoS One Find the STAgR cloning plasmids Mobile-CRISPRi allows CRISPRi experiments in...Gross’s lab recently deposited “Mobile-CRISPRi” plasmids, a set of modular CRISPRi tools that can be used...
  15. What's New in CRISPR - Winter 2018

    Type
    Blog Post
    Published
    Dec. 18, 2018, 1:17 p.m.
    ...CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid tools...CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids ...Read the paper in Science Find the new SHERLOCK plasmids More precision with dual-nuclease Cas9-Cas9 ...Nature Communications Find the Cas9-Cas9 chimera plasmids A modular toolkit for genome editing in plants...post Read the paper in Science Find the Cas14 plasmids Anti-CRISPR proteins for optogenetic control...paper in Nature Methods Find the anti-CRISPR plasmids Tagging human transcription factors with GFP...White’s lab recently deposited a set of CRISPR plasmids to tag human transcription factors with GFP. As...
  16. Educational Planarian Tools for Teaching Developmental Biology Techniques

    Type
    Blog Post
    Published
    May 24, 2018, 1:20 p.m.
    ...experiments in planarians with their recent plasmid deposit. These plasmids enable two main types of experiments... cloned into plasmids to investigate for each of these planarian species. These plasmids all have a PR-T4...insert the cDNA into the desired plasmid backbone. The Sánchez lab plasmids allow students and new labs to...Resources at Addgene.org Find plasmids from the Sánchez lab Find plasmids for other developmental models...of specific gene expression. The 49 deposited plasmids enable students to study gene expression and functions... dsRNA-induced RNAi experiments. Notably, this plasmid harbors a multi-cloning site flanked by T7 promoters... produce DNA templates via PCR off of the same plasmid and use these to create riboprobes for in situ ...
  17. Viral Vectors 101: Gamma-Retroviral Packaging Systems

    Type
    Blog Post
    Published
    Aug. 6, 2024, 1:15 p.m.
    ...γ-retroviral packaging plasmids are not interchangeable. General envelope plasmids, such as VSV-G (Vesicular...in trans by specific plasmids. This method, therefore, reduces the number of plasmids that are required ...encoded by the transfer plasmid, but instead are provided in trans by other plasmids or the packaging cell...do many γ-retroviral plasmids have similar names? The nomenclature of the plasmid backbone is meant to...components are needed: γ-Retroviral transfer plasmid encoding a transgene, sgRNA, or shRNA of interest..., which facilitate integration of the transfer plasmid sequences into the host genome. Typically, it is... genome upon viral transduction. Most transfer plasmids available from Addgene were derived from MoMLV...
  18. The MTA at Addgene

    Type
    Blog Post
    Published
    July 23, 2024, 2:17 p.m.
    ...organizations choose to share their plasmids under an OpenMTA, which allows plasmids to be used for both research...If you’ve deposited or requested plasmids from Addgene, then you’ve been involved in the material transfer...Even though this process is essential to sharing plasmids around the globe, it can be a bit of a mystery...use agreements. The UBMTA, which is the MTA most plasmids at Addgene are shared under, is well-understood...we are not a party (signatory) to the MTAs for plasmids in our repository. Instead, we facilitate the ...institutes. But they’re not! The vast majority of our plasmids are distributed under the UBMTA, which is widely... our process that differs.  When you deposit a plasmid with Addgene, your organization’s tech transfer...
  19. QC Sequencing Technologies at Addgene

    Type
    Blog Post
    Published
    July 15, 2025, 1:15 p.m.
    ...deposited plasmids. To resolve QC issues, assembly issues, and difficult-to-sequence plasmids, other sequencing...it to the plasmid information or depositor-provided sequences to confirm the correct plasmid components...Addgene The Power Behind NGS Plasmid Validation: seqWell Addgene’s Tips for Plasmid Quality Control Additional...general overview of the QC process at Addgene. All plasmids go through this same initial QC process using ...impractical for whole-genome (and often, whole-plasmid) sequencing.  Prior to short-read sequencing, Addgene...information on this process, see our blog post on NGS plasmid quality control. NGS is generally cheaper if you...it typically results in high accuracy for full plasmids. However, NGS might not be the best choice for...
  20. CRISPR-based Genome Editing Systems For Editing in E. coli

    Type
    Blog Post
    Published
    April 13, 2021, 1:15 p.m.
    ...beneficial for plasmid clearance. It is more convenient to update the spacer(20nt) on pEcgRNA plasmid as only.... pCutamp cures the plasmids by targeting the ampR promoter in all three plasmids. pCutamp is then removed... 13 plasmids with 14 rounds of transformation in 30 days. Figure 2: (A) MUCICAT plasmids for ... original pCas/pTargetF system consists of one plasmid that expresses the S. pyogenes Cas9, a temperature-sensitive...the pTargetF construct and then introduce both plasmids into the cell. The edit in the chromosome can ...the pMB1 replicon, resulting in cutting of the plasmid. At this point, subsequent introductions of pTargetF...addition of the sgRNA sequence in pEcgRNA. Next both plasmids are transformed in E. coli with the donor DNA ...
Showing: 181 - 200 of 695 results