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  1. Addgene’s Newest Way to Speed Your Research: The Cloning Grade DNA Service

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    Blog Post
    ...with 210 plasmids from the collection. You can find the full list here. Most of these plasmids are empty...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...what you think. You can also let us know which plasmids you’d like to see as part of the service in the...on the Addgene blog Browse blog posts from our Plasmids 101 blog series Learn about the different grades...

  2. Plasmid Grant to Aid Cervical Cancer Screening in Ghana

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    Blog Post
    ...plasmid grant and plans to use the grant to order plasmids she can use as positive controls in PCR-based ...similar grants back in June, Gladys will be using plasmids in creative ways that we wouldn’t necessarily ...HR HPV types, predominantly HPV 16 and 18.” HPV plasmids as positive controls To start her work, Gladys...cytological tests currently in use. Gladys will use plasmids containing a variety of HPV genes as positive ...incredibly happy to hear that Gladys will be using plasmids in a way that can potentially have a direct impact...Seeding Labs for this continued opportunity to get plasmids to the researchers who need them the most. Check...

  3. AAV Titers: Where Do They Come From And What Do They Mean?

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    Blog Post
    ...relative to the total number of viral capsids (which can include empty capsids that are devoid of a viral genome... viral particles. Ratio of full to empty viral capsids: the ratio of genome-containing viral particles...genome). Empty viral capsids can be formed during viral production depending on the  experimental conditions...One study showed that approximately 50% of viral capsids were genome-containing (“full”) (Zeltner et al....1999). The percentage of genome-containing viral capsids is typically quantified by electron microscopy ...we are pleased to report that over 95% of viral capsids in representative viral vector preparations are...

  4. Harnessing TnpB for Genome Editing: A Compact and Versatile Tool for Your Research

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    Blog Post
    ... Genome Engineering Guide Plant Plasmids and Resources CRISPR Plasmids and Resources ...large — comprising approximately 1000–1400 amino acids — which poses a challenge for efficient delivery...genome editors, typically only around 400 amino acids in size. To give a visual analogy: if Cas9 or Cas12a..., 2024). This version of TnpB is just 408 amino acids long — making it one of the most compact genome ...for ωRNA (reRNA) expression (see Figure 1). Both plasmids contain a hygromycin resistance gene as the plant-selectable... 2–3 positive colonies, grow them, and extract plasmids. Confirm the correct guide insertion by Sanger...

  5. QC Sequencing Technologies at Addgene

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    Blog Post
    ...deposited plasmids. To resolve QC issues, assembly issues, and difficult-to-sequence plasmids, other sequencing...general overview of the QC process at Addgene. All plasmids go through this same initial QC process using ...it typically results in high accuracy for full plasmids. However, NGS might not be the best choice for...one read. We also use Nanopore sequencing to QC plasmids that are highly repetitive, such as those containing...typically reserved for deposits that contain many plasmids within the same backbone. The flexible auto-alignment... maintaining quality. Maintaining high-quality plasmids for open science Addgene is committed to maintaining...

  6. 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...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...Expression Systems AAV Plasmids Blogs Origin of Replication What is a Plasmid? How to Design Your...

  7. CRISPR 101: Targeting RNA with Cas13a (C2c2)

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    Blog Post
    ...27256883. PubMed Central PMCID: PMC5127784. Find plasmids from this paper at Addgene. 2. East-Seletsky,...) (2016):270-273. PubMed PMID: 27669025. Find plasmids from this paper at Addgene.  3. Gootenberg, Jonathan...28408723. PubMed Central PMCID: PMC5526198. Find plasmids from this paper at Addgene. 4. East-Seletsky,...) (2017):373-83. PubMed PMID: 28475872.  Find plasmids from this paper at Addgene.  5. Abudayyeh, Omar...550(7675) (2017):280-284. PMID: 28976959. Find plasmids from this paper at Addgene. 6. Shmakov, Sergey...32511521. PubMed Central PMCID: PMC7273289. Find plasmids from this paper at Addgene. Additional Resources...Cpf1 Resources on Addgene.org Browse All CRISPR Plasmids Find Validated gRNAs for Your Next Experiment ...

  8. Tips for CRISPR Gene Editing in Mice

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    Blog Post
    ...the individual gRNAs in their PX330 plasmids (or similar plasmids for gRNA expression), one gRNA at a ... system floating around, and many pre-designed plasmids containing these variants ready for purchase. ...pCAG-EGxxFP target plasmid was co-transfected with pX330 plasmids containing sgRNA sequences into HEK293T cells....your chances of gene modification in vivo. Find Plasmids for Testing Your gRNAs in vitro at Addgene CRISPR...However, it is easier to directly inject the pX330 plasmids used in the validation assay (above) and it is...Software Tools to Help Design You gRNA Find CRISPR Plasmids for Use in Mammalian Cells Check out All of Our...

  9. Addgene's Top Blog Posts from 2020

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    Blog Post
    ...service features 210 plasmids: empty backbones, fluorescent protein tags, SARS-CoV-2 plasmids, etc. It is our...DNA? Here we cover five methods to do this. 5. Plasmids 101: Plasmid Incompatibility by Leah Schiesow ...Schiesow If 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...

  10. Proximity Labeling: A Powerful Tool for Protein Complex Purification and Proteomic Mapping

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    Blog Post
    ...peroxide. This radical reacts with electron-rich amino acids such as tyrosine on neighboring proteins resulting...vivo studies (Che and Khavari, 2017). Find APEX plasmids at Addgene! Since the development of BioID and..., which lacks the DNA-binding domain (233 amino acids) found in the E. coli version. It also contains ... specific locations in the cell.   Find BioID2 plasmids here APEX2: A more sensitive ascorbate peroxidase... They named this mutant APEX2.  Find the APEX2 plasmids! TurboID and minturbo: Rapid and non-toxic proximity...allowing for more precise temporal control.  Find plasmids for TurboID and miniturbo Split-BioID: A conditional...streptavidin and separated via flow cytometry.  Find plasmids for EXCELL here! Since BioID was developed in ...

  11. What's New in CRISPR - December 2019

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    Blog Post
    ...Read the paper in Nucleic Acids Research Find the gRNA and packaging plasmids   Cytosine deaminase for...CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids ...series, we’ll highlight a few of the new CRISPR plasmids available at Addgene. We will still periodically...RESCUE. Read the paper in Science Find RESCUE plasmids If you have a new CRISPR tool you’ve recently...

  12. CRISPR Kinome Libraries Available: Pooled and Individual Plasmid Formats

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    Blog Post
    ...individual lentiGuide gRNA plasmids targeting the human kinome. These plasmids contain the same 3-4 gRNAs...first subset of the pooled library. The individual plasmids will be useful when screening for phenotypes, ... screening in a pooled setting. The individual plasmids will also be useful for imaging or gene expression...assays necessitating the screening of individual plasmids separately. Additionally, this set can be used... Page Find Validated gRNAs Deposit Your CRISPR Plasmids ...

  13. Supporting Rare Disease Research with BeHeard 2017

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    Blog Post
    ...through the BeHEARD Award. Read on to learn how plasmids from Addgene will be used to accelerate rare disease...in C. elegans, Dr. Di Schiavi will use Addgene plasmids to characterize smn1 interactions with other genes... their function, and C. elegans overexpression plasmids to upregulate their expression in specific cells...tumorigenesis. They plan to use CRISPR and lentiviral plasmids from Addgene to knockout, knockdown, or overexpress... Support Rare Disease Research: IFOPA Donating Plasmids to Researchers in Developing Countries with Seeding...Seeding Labs Resources on Addgene.org Find Plasmids for Disease Research ...

  14. Addgene-Seeding Labs Plasmid Grant: Accelerating Science Globally - 5 Scientists, 4 Countries & 3 Continents!

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    Blog Post
    ...fatty acids complementing vegetable oil, a somewhat poor natural source of unsaturated fatty acids. These...plasmid grant is a collaborative endeavor providing plasmids to researchers in developing countries. We are...These fatty acids are essential, which means that the body requires them but cannot produce them. By using...intends to make yeast capable of desaturating fatty acids. Identification of Insecticidal Proteins Linh Bao...as the pET GFP LIC cloning vector and the pOKD plasmids. The recombinant Cry proteins will then be screened...

  15. Antibodies 101: Epitope Tags

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    Blog Post
    ...little as 8 or as many as several hundred amino acids, depending on the tag, and are introduced via knock-in...with enterokinase, which recognizes the 5 amino acids on the C terminal of the tag. Of the most common...negatively charged and 2 positively charged amino acids. FLAG tag has been used with moderate to high success...negatively charged and 1 positively charged amino acids. Myc tags are frequently used for western blot, ...hemagglutinin. The tag has two negatively charged amino acids for an overall negative charge. This tag has been...Addgene blog Antibodies 101: Epitope availability Plasmids 101: Protein Tags Antibodies: Of Myc and Men ...

  16. Donations from Addgene to Yield Answers for Rare Disease Researchers

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    Blog Post
    ...studying four of those rare diseases will receive plasmids from Addgene worth a total of $5000.  Lowe Syndrome...involving the primary cilia. They’ll put a variety of plasmids to work to explore the effect of various OCRL1...there. This will help us acquire a lot of those plasmids so that we can try many different things in parallel..., will use GFP-ATP1A3, FLAG-ATP1A3, and ATP1B3 plasmids to explore the functional differences among mutations...mutations. More specifically, they’ve proposed to use plasmids with modified nickase Cas9 protein in order to...also several other rare genetic diseases. We hope kids in Thailand will receive much better health care...

  17. 25 Work From Home Tips for Scientists

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    Blog Post
    ...can adapt to your kids' needs. Plan ahead. Think about and set up activities that kids can do more independently... made for kids. Plan out meals and snacks ahead of time.  Find learning activities for kids. For example...prepare. Adapt to WFH while parenting Keep your kids on a schedule so you can rely on nap times, after...out She Geeks Out, Science, or Resources to Engage Kids at Home. It’s normal and okay to feel overwhelmed...

  18. Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering

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    Blog Post
    ...EsCas13d. Find the Yan et al. plasmids here Find the Konermann et al. Plasmids here How do Cas13d enzymes...WYL domains (named for the three conserved amino acids in the domain). Yan et al. from Arbor Biotechnologies...S0092-8674(18)30207-1. PubMed PMID: 29551272 Plasmids from this paper are available at Addgene. Yan...S1097-2765(18)30173-4. PubMed PMID: 29551514 Plasmids from this paper are available at Addgene. Learn... Resources on Addgene.org: Find RNA Knockdown Plasmids Check out our CRISPR Guide Read our CRISPR History...

  19. GPCRs: How Do They Work and How Do We Study Them?

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    Blog Post
    ...response? Let’s take a look at a few examples with plasmids deposited at Addgene.  PRESTO-TANGO: The ligands...Bryan Roth’s lab also assembled a collection of plasmids to elucidate the role of 14 of the 16 non-visual...interest. The TRUPATH plasmid kit consists of 20 plasmids encoding 14 alpha, 2 beta, and 4 gamma subunits...pathways mediated by GPCRs? The Kruse Lab constructed plasmids that can be used in peroxidase-catalyzed proximity... (firing or inhibition). AAV preps from DREADD plasmids allow you to easily express a DREADD receptor ...Addgene's chemogenetics guide Find chemogenetics plasmids for your research ...

  20. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

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    Blog Post
    ...recommended for plasmids up to 25 kb, most cloners should be fine, especially using plasmids in the 10-12... REPLACR (Recombineering of Ends of Linearized Plasmids After PCR). Current site directed mutagenesis...joins the linear PCR products into stable circular plasmids - no nick repair is needed. Since the bacteria...Cloning Learn How to Verify Your Plasmid Read our Plasmids 101 Series Additional Resources on Addgene.org...Pages Choose Your Perfect Plasmid Backbone Find Plasmids for Your Research ...
Showing: 261 - 280 of 878 results