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Showing: 241 - 260 of 1040 results
  1. Twenty Years of Sharing: Expanding Accessibility

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    Blog Post
    ... that made it easy to share plasmids, both for people depositing plasmids and for people requesting them... Collections Lentiviral Plasmids Tetracyline Inducible Plasmids Empty Backbones Bacterial Expression...Expression Systems AAV Plasmids Blogs Origin of Replication What is a Plasmid? How to Design Your... Verify Your Plasmid Using a Restriction Digest Analysis Videos What is a Plasmid? How to Design...video, however, is “What is a Plasmid?”, An animated explainer of a plasmid and its parts that helps the...them. Prior to this, many plasmids were available, but they often weren’t easily accessible, due to a ...barriers, allowing people to access a wide catalog of plasmids from all over the world. This idea, that available...
  2. Protein Tagging with CRISPR/Cas9: A Conversation with Mendenhall and Myers

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    Blog Post
    ...of the second plasmid can be done in one day in one assembly reaction. This second plasmid saves you a ... page went up last month, over 340 people have signed up to receive alerts when plasmids become available...and Myers for speaking with us! Find the Plasmids: Plasmids for protein tagging with CRISPR Additional... in many cases. In an effort to track down every last one of those gene regulatory proteins and the places... available at Addgene. For more details on the plasmids that are currently available along with detailed...system, what we are doing is adding in a second plasmid to target an epitope tag onto the transcription...second vector is a homology directed repair donor plasmid with homology arms and a selection marker. If things...
  3. New Optogenetic Tools for Cytoskeleton and Membrane Control

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    Blog Post
    ...to a specific area at the plasma membrane (Figure 2). Just express the plasma membrane-localized iLID along...undergoes a conformational change and binds the plasma membrane under blue light CRY2-CIB1 heterodimerizes...impossible to target to specific subcellular regions, laser ablation can damage other cellular structures, and...genetic mutations are not easily reversible. Late last year, the Akhmanova Lab published a new optogenetic...module, which are also available as lentiviral plasmids if you want to make a stable cell line. This design...advantage of BcLOV4’s light-induced binding of the plasma membrane. In previous publications, they described...developing embryo is accessible for injection of plasmids and other materials.    Figure 3: Optogenetic...
  4. Our Most Popular Blog Posts from 2019

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    Blog Post
    ... some recently deposited plasmids every quarter. The “hot plasmids” from last March were quite popular...behalf of scientists. 9. Plasmids 101: Positive and Negative Selection for Plasmid Cloning by Jennifer Tsang...start a new decade, we’re also looking back at the last year of scientific discovery. We’ve documented many...past year: CRISPR, optogenetics, chemogenetics, plasmids, fluorescent proteins, careers, and more. These...s the top 10 blog posts from the year. 10. Hot Plasmids - March 2019 - Anti-CRISPR, 2in1 Cloning, Fluorescent... about mNeonGreen, mTFP1, and mWasabi and find plasmids containing these fluorescent proteins at Addgene..., and all possible base-to-base changes.   1. Plasmids 101: Transformation, Transduction, Bacterial Conjugation...
  5. A new platform for fast functional characterization of potentially cancerous mutations

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    Blog Post
    ...collection of plasmids each carrying a single gene with a defined mutation or gene fusion. Plasmids carrying...cancer research, like PIK3CA (Plasmid 116771: pHAGE-PIK3CA) and EGFR (Plasmid 116731: pHAGE-EGFR), are represented...Resources on Addgene.org Find plasmids for your research Find cancer research plasmids and resources ...mutations, and the group has deposited several hundred plasmids from this study with Addgene. Read on to learn...learn more about their work, and how these plasmids can help cancer researchers studying an assortment of...vitro approach. Using data from The Cancer Genome Atlas (TCGA), a catalog of genetic mutations responsible...well. They called this library the CTD2 FASMIC Plasmid Collection for “Functional Annotation of Somatic...
  6. Bringing Sustainable Practices to the Lab: Recycling

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    Blog Post
    ...for an estimated 2% of global plastic generation. Less than 9% of plastics are ever recycled, so adopting...mail. Recycle plastic packaging Packaging is a huge contributor to the increase in plastic manufacturing...services don’t offer plastic recycling, specialized companies can recycle plastic-- you just have to find...other scientists save resources by sharing plasmids Find plasmids at Addgene ...recycling! With the popularity of single-use items, plastic is a substantial portion of lab waste. Despite ...manufacturing, accounting for 40% of total plastic usage (Geyer et al., 2017). While most single-stream or city ...Corning takes back and recycles a lot of their plastic packaging (from Corning®, Falcon®, or Axygen® product...
  7. Starter guide to induced pluripotent stem cells (iPSCs) part 1:  A renaissance in regenerative medicine

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    Blog Post
    ...myogenic precursor cells [5]. Classification of stem cells Stem cells are classified into two broad types according... Visit Our Stem Cell Page Find Plasmids for Reprogramming Find Plasmids for Differentiation ... inner cell mass (ICM) of a 5-6 day old human blastocyst [6]. They are isolated mostly from abnormal and...C-MYC. iPSCs were first generated from mouse fibroblasts in 2006 in Shinya Yamanaka’s lab, where the reprogramming...successful generation of human iPSCs from dermal fibroblasts via retroviral and lentiviral infections respectively...to a Nobel Prize for Dr. Yamanaka in 2012. Find plasmids for generating iPSCs iPSCs and ESCs closely resemble...system for research in regenerative medicine over the last decade. In the next post of this series, we’ll discuss...
  8. PITChing MMEJ as an Alternative Route for Gene Editing

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    Blog Post
    ...PITCh-gRNA binding sites. This PITCh plasmic is cotransfected with a plasmid carrying Cas9, the PITCh-gRNA, ...Guide Pages Find CRISPR Plasmids for Your Experiments Deposit Your New Plasmid Tools with Us  ...Integration into Target Chromosomes). Using their PITCh plasmids, GFP knock-in cell lines can be created in about... knock-ins, some labs have used NHEJ for whole plasmid integration; however, since NHEJ is error-prone...cloning. An overview of PITCh. The PITCh plasmid contains a GFP-Puro cassette flanked by 5' and .... The PITCh-gRNA creates two DSBs in the PITCh plasmid to release the cassette, and an insertion-locus-specific...locus-specific gRNA The gRNA should target near the last coding exon of your gene of interest. For ideal ...
  9. Easi-CRISPR: Generating Knock-In and Conditional Mouse Models

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    Blog Post
    ...editing. How to use Addgene plasmids for Easi-CRISPR You can use Addgene plasmids to create a repair template...of Addgene plasmid options for templates - see the example at right using blue flame plasmid pmScarlet_...desired insert (e.g., mScarlet).   Plasmid ID Plasmid Name Tags 69090 pMJ915 MBP (N ...out our CRISPR Guide Find Plasmids for Cas9 Purification Find CRISPR Plasmids for Mammalian Expression ...pre-CRISPR was very arduous. First, you’d construct a plasmid with your desired changes, long homology arms and...the recombined product, you’d microinject into blastocysts to be implanted in pseudopregnant female mice...PAM (bold highlighted text) and cleavage sites (slashes) are shown. In this case, the green guide would...
  10. Cpf1: A New Tool for CRISPR Genome Editing

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    Blog Post
    ...multi-subunit complex employed by class 1 systems. A putative new class 2 nuclease, Cpf1 (CRISPR from Prevotella...endonuclease of a class 2 CRISPR-Cas system." Cell (2015). PubMed PMID: 26422227. Find plasmids from this publication...: Cpf1 is a single RNA-guided endonuclease of a class 2 CRISPR-Cas system. Figure from Zetsche et al.,...., 2015. How was Cpf1 found and tested? Class 2 CRISPR systems, including the type II Cas9-based system...Francisella), was annotated in several genomes and is classified as a type V CRISPR system. Like Cas9, Cpf1 contains...Francisella Cpf1 (FnCpf1), they employed an E. coli plasmid depletion assay to discover FnCpf1’s PAM sequence....1 (2016): 31-34. PubMed PMID: 27918548. Find plasmids from this publication at Addgene. 3. Kim, Daesik...
  11. Addgene's Top 10 Blog Posts of 2015

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    Blog Post
    ...CRISPR mediated genome engineering. 10. Plasmids 101: Control Plasmids Need help thinking about the types ...Scientists eBook Download the Plasmids 101 3rd Ed. eBook Read the Most Recent Plasmids 101, CRISPR 101, and Career... two eBooks (Management for Scientists and the Plasmids 101 2nd ed, the 3rd edition has now been released...top of the many developments in science and the plasmids, technologies, and researchers behind them. As...most popular posts continue to be those from our Plasmids 101 and CRISPR 101 series. These posts aim to ... the background they need to get started using plasmids and the revolutionary CRISPR technology in their...and how it’s used in CRISPR genome editing.   2. Plasmids 101: Cre-lox Cre recombinase can be used to generate...
  12. DIY DNA Ladders from Penn State University

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    Blog Post
    ...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...
  13. Lambda Red: A Homologous Recombination-based Technique for Genetic Engineering

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    Blog Post
    ...background via P1 transduction. Plasmid Expressing lambda red genes from a plasmid allows for a mobile recombineering... flexibility to modify the E. coli chromosome, plasmid DNA or BAC DNA.  To use the lambda red recombineering...bacteria with integrated defective prophage 2) from a plasmid, 3) from mini-λ or 4) from the lambda red phage...phage pL promoter.  It is a good idea to choose plasmids that also express the repressors associated with...limit leaky expression of the Red system.  Using a plasmid to express the lambda recombineering system is ... do this is to express lambda red genes from a plasmid with a heat sensitive origin of replication.  Once... them at 42℃.  Mini-λ A hybrid between using a plasmid and stable integration of a defective prophage ...
  14. Getting the Most from Your Lentiviral Transduction

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    Blog Post
    ... labs and hinders experiments is mycoplasma contamination. Mycoplasma contamination has been shown to ...routinely test for mycoplasma contamination. There are several commercially available mycoplasma detection kits...larger microbes such as yeast, fungi, or bacteria, mycoplasma can be extremely hard to detect with levels reaching...cells per ml before the media becomes cloudy. Mycoplasma compete with host cells for nutrients and can...the cell line’s growth and behavior. Signs of a mycoplasma contamination can be subtle and may include reduced...positive controls. Routinely test your cell line for mycoplasma and discard it if the culture has become overly...after transfecting with the transfer and packaging plasmids. A benefit of the multiple harvest strategy is...
  15. Addgene’s Top 10 Blog Posts from 2014

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    Blog Post
    ...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 ...
  16. Why and how to start studying chromatin (with Addgene's help)

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    ...Chromatin-related genes with plasmids available from Addgene The links below pull up lists of plasmids containing the...containing lists of plasmids from the indicated publications. You can request all of these plasmids directly from...consolidate every conceivable chromatin-related plasmid in a collection that grows on a daily basis, the... does not have it. That said, if you know of a plasmid that we definitely don’t have that you really want...study chromatin and want to start sharing your plasmids through Addgene, don’t hesitate to start the process...these pages to learn when Addgene receives new plasmids containing these genes. As with the PIs above,... In-exhaustive Chromatin-related genes with plasmids on Addgene.org AGO1 BRCA1 CREBBP CUL1 H2AFX...
  17. What's New in CRISPR - Winter 2018

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    ...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...
  18. Five Popular Model Organisms, Part 2

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    ...our plasmid collection page Find more plasmids and resources for plant resources on Plant Plasmids Collection...box” for its common use in plasmid manipulation and genetics research. Plasmids are ideal tools for studying...Model Organisms blog post Read more about plasmids in our Plasmids 101 blog series Learn more about CRISPR...disease models.  Check out Addgene’s collection of plasmids containing Rattus norvegicus genes! Mexican axolotl...several vectors for use in the axolotl including plasmids for use in CRISPR and Tol2 transposase induced... and after embryogenesis. Addgene has over 600 plasmids that contain Xenopus genes and a tool-kit from...transformations and the use of Arabidopsis in the classroom on our blog. Now that you’ve learned more about...
  19. Tagging Optogenetics and Chemogenetics Receptors: Fluorescent Proteins and Other Options

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    ... were in the cytoplasm of dendrites, and only a small proportion were found on the plasma membrane (top...to gold particles localized in the cytoplasm or bound to the plasma membrane. Note that the use of the... the DREADD receptors need to be located on the plasma membrane to be activated by the DREADD actuator...membrane in mice neurons, most of them were still cytoplasmic. Use of ‘small’ tags to identify proteins Given... the limited expression of hM4Di‐mCherry at the plasma membrane in monkey neurons, we next hypothesized...might improve the transport of this DREADD to the plasma membrane. The haemagglutinin (HA) tag is a small...tag resulted in abundant expression of hM4Di in plasma membranes in both species (bottom panel in Fig....
  20. Addgene's Top Blog Posts from 2020

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    ...service features 210 plasmids: empty backbones, fluorescent protein tags, SARS-CoV-2 plasmids, etc. It is our...to Elute and Store Your Plasmid DNA? by Paolo Colombi Should I store my plasmid in TE, Tris, or water?...Here we cover five methods to do this. 5. Plasmids 101: Plasmid Incompatibility by Leah Schiesow If you're... We've had 11 blog posts on COVID-19 featuring plasmid tools from depositors who quickly shared their ...you're thinking about hosting multiple plasmids in one cell, it might be that you can't stably maintain...This blog post features two mechanisms that cause plasmids to be incompatible. 4. RNA Extraction Without...CRISPR to detect SARS-CoV-2, including many with plasmids deposited at Addgene! 2. DNA Purification Without...
Showing: 241 - 260 of 1040 results