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Showing: 221 - 240 of 678 results

  1. Tips and Tricks for Using Golden Gate Modular Cloning (MoClo)

    Type
    Blog Post
    Published
    July 8, 2025, 1:15 p.m.
    ...blog Plasmids 101: Modular Cloning Plasmids 101: Modular Cloning Applications and Kits Plasmids 101: ...insert’ refers to plasmids carrying each part, ‘vector’ refers to acceptor plasmids, and the ‘amount of...avoid cross-contamination, we recommend retrieving plasmids from your original Addgene kit plate as few times...you will also likely need to miniprep a lot of plasmids from your bacterial stocks beforehand. You can...efficient and precise, positive colonies may contain plasmids with undesired ligations, so always screen multiple...

  2. What's New in CRISPR - September 2019

    Type
    Blog Post
    Published
    Sept. 10, 2019, 12:56 p.m.
    ...Read the paper in Nucleic Acids Research Find the drug inducible Cas9 plasmids E. coli genome-wide inhibition...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...domain needed for DNA unwinding. They’ve deposited plasmids for active and inactive CasX for E. coli and human...expression. Read the paper in Nature Find the CasX plasmids Drug inducible transcriptional activation and...

  3. Running for Rare Disease, Running for FOP, Running for AJ

    Type
    Blog Post
    Published
    Sept. 15, 2016, 2:30 p.m.
    ...CRIPSR Resources on Addgene.org Find ACVR1 Plasmids Find Plasmids for Disease Research on OurSpecial Collections...decided it was time to get in shape. After three kids, I had put on typical middle age weight and “exercise...Boston Marathon, he wanted to run and play with my kids like any other youngster. His parents, Kristi and...not be able to run around and play like the other kids his age. A potential FOP cure But, there is HOPE...two ways. First, Addgene is distributing ACVR1 Plasmids from a variety of research labs and hopes that...pathways that impinge upon FOP to deposit their plasmids with Addgene and join us in the fight against ...

  4. Viral Vectors 101: Parts of the AAV Transfer Plasmid

    Type
    Blog Post
    Published
    Aug. 11, 2020, 1:15 p.m.
    ...experiments, making AAV starts with some plasmids. You just need three plasmids to start making AAV:  the packaging...plasmid. ITR sequences are 145 bases each and AAV plasmids have two ITR sequences. The DNA sequence between...specific (Haery et al., 2019). Most AAV transfer plasmids have a promoter, but this element isn’t required...transgene and are located between the ITRs. Transfer plasmids often have two pairs of lox sites which are part...forms a tertiary structure when transcribed which aids in nuclear export of mRNA and helps increase the...ITR.  polyA  The polyadenylation or polyA signal aids in the nuclear export of RNA and RNA translation...

  5. Pushing the Limits of DNA Assembly

    Type
    Blog Post
    Published
    Sept. 6, 2017, 1:01 p.m.
    ...to Learn More about DNA Assembly? Check Out Our Plasmids 101 eBook! One of the features that makes NEBuilder...fragments (containing regions of homology) cut from plasmids via restriction enzyme digestion, and used directly...plasmid with the gene of interest (search Addgene plasmids by gene here), designing primers with your desired... desired edits to the target region. Assembled plasmids can be directly transformed into E.coli for plating...Other Long-Homology Based Cloning Methods Screen Plasmids by Colony PCR Addtional Resources on Addgene....Find Validated gRNAs Browse All Plasmids ... plasmids...

  6. Multiplex Genome Editing with CRISPR-Cpf1

    Type
    Blog Post
    Published
    May 9, 2017, 2:12 p.m.
    ...transfection of single plasmids vs pooled plasmids; for multiple edits, single plasmids are generally more...sites. This eliminates bulk from crRNA expression plasmids resulting in smaller, more streamlined vectors...versus 2.4% of cells transfected with a pool of plasmids that contained one crRNA per plasmid plus a Cpf1...your research? Check out the Cpf1 multiplexing plasmids available from Addgene. If you have any questions... Our CRISPR Multiplexing Resources Find CRISPR Plasmids for Your Research Catch up on Your CRISPR Background...

  7. Protein Tagging with CRISPR/Cas9: A Conversation with Mendenhall and Myers

    Type
    Blog Post
    Published
    July 28, 2015, 2:30 p.m.
    ...alerts when plasmids become available.  We’ve also had some requests for variations on the plasmids we’ve developed...and Myers for speaking with us! Find the Plasmids: Plasmids for protein tagging with CRISPR Additional... available at Addgene. For more details on the plasmids that are currently available along with detailed...results. The FLAG epitope is quite small—20 amino acids—so we don’t think it interferes with the function...Addgene: Why was it important to you to make these plasmids available to other scientists quickly? Myers: ...

  8. Kiran Musunuru on the Newest TALEN Genome-Editing System

    Type
    Blog Post
    Published
    Dec. 10, 2013, 3:13 p.m.
    ...effector nuclease (TALEN) kit consisting of 834 plasmids. The researchers showed they could use their TALEN...particular DNA sequence? Musunuru: The kit includes 832 plasmids containing prefabricated pieces that allow you...the genome in rapid fashion. The two remaining plasmids in the kit have the rest of the protein in place...fluorescent proteins used to sort the cells after the plasmids have been introduced by transfection or electroporation...protein that binds those 15 base pairs is take four plasmids out of the library in the appropriate combination...testified by the fact that the TALEN kit includes 834 plasmids for the pieces you need to assemble. Our system...Cas9 (also available from Addgene) only has two plasmids. In many cases, CRISPR may be more efficient. ...

  9. When Fidelity Matters: A frank discussion about ligase fidelity

    Type
    Blog Post
    Published
    March 6, 2018, 1:49 p.m.
    ...residues in Thermus thermophilus DNA ligase." Nucleic acids research 24.15 (1996): 3079-3085. PubMed PMID: 8760897...of gaps in duplex DNA by T4 DNA ligase." Nucleic acids research 10.5 (1982): 1425-1437. PubMed PMID: 7041091...one-nucleotide gaps can be sealed by T4 DNA ligase." Nucleic acids research 15.21 (1987): 8755-8771. PubMed PMID: 3684572...detection of mononucleotide repeat sequences." Nucleic acids research 27.24 (1999): e40-e47. PubMed PMID: 10572192...comprehensive profiling of DNA ligase fidelity." Nucleic acids research 44.2 (2015): e14-e14. PubMed PMID: 26365241...by interrogating minor groove contacts." Nucleic acids research 32.15 (2004): 4503-4511. PubMed PMID: 15328364...fidelity of Thermus thermophilus DNA ligase." Nucleic acids research 24.15 (1996): 3071-3078. PubMed PMID: 8760896...

  10. Plasmid-based Recombinant Monoclonal Antibodies: What They Are and Why You Should Be Excited About Them

    Type
    Blog Post
    Published
    May 4, 2021, 1:15 p.m.
    ...Recombinant monoclonal antibodies are encoded in plasmids and produce a single antibody recognizing one ...then synthesize the genes that encode those amino acids (Tran et al., 2016). Each antibody would then be...laboratories and companies have already begun creating plasmids encoding affinity reagents. These include conventional...performed will be useful in perpetuity.  Second, plasmids are easy to store and share, making recombinant...limited in supply and producing antibodies from plasmids is much kinder to our animal friends! Finally,...genetically-encoded research tools, it is shocking that the plasmids and sequences for antibodies are not shared. For...useful variants of Cas9. By providing access to the plasmids encoding antibodies, scientists will be able to...

  11. Fluorescent Tagging of Endogenous Genes with SapTrap

    Type
    Blog Post
    Published
    Oct. 12, 2017, 2:26 p.m.
    ...tag and homology arms). Digestion of the donor plasmids with SapI allows the tag, selectable marker, and...to be released (Fig. 1, Step 2-3). Since donor plasmids of the same type will produce the same unique ...different combinations of connector and tag donor plasmids from the library can be used to generate functionally.... The CRISPaint toolkit includes several donor plasmids for protein tagging, including luciferase (NanoLuc...Cell Science recently developed a collection of plasmids to fluorescently tag markers of cellular structures...structures in mammalian cells. These plasmids use fluorescent proteins flanked by long regions of homology...protein tagging, please visit our website CRISPR/Cas Plasmids - Protein Tagging. Beyond simply monitoring protein...

  12. Tips for a 1st time AAV user (by a Rookie AAV user)

    Type
    Blog Post
    Published
    Oct. 23, 2018, 11:49 a.m.
    ... cells with AAV packaging plasmids. The cells need three different plasmids to produce AAV: 1) the RepCap...going to lie, AAV transfer plasmids are kind of a pain to work with. These plasmids contain ITRs which are...sites). Another way is to transform AAV transfer plasmids into bacterial strains, like NEB Stable. NEB Stable...Stable competent cells lack RecA, a protein that aids in the homologous recombination of duplicated regions...handling your AAV plasmid standard and AAV transfer plasmids. It’s easy to contaminate a workspace with plasmid...

  13. Sharing Your Lab Protocols: Using Apps to Save Time & Track Your Experiments

    Type
    Blog Post
    Published
    Sept. 23, 2014, 3:05 p.m.
    ...be found in our Plasmids 101 blog series. Want to learn more about sharing your plasmids via Addgene? Check... of the repository’s most frequently requested plasmids. I wondered how many scientists have used the ...http://www.addgene.org/ If you’re working with plasmids and you decide to share them using Addgene’s repository...biology educational resources, such as protocols, Plasmids 101 articles on various plasmid features, and ...scientists to upload protocols when they deposit their plasmids to the repository. These protocols show up on ...plasmid pages and can help scientists use these plasmids more successfully. And I’ll continue to add some...

  14. Selecting Your Plasmid Purification Kit

    Type
    Blog Post
    Published
    May 27, 2025, 1:15 p.m.
    ...throughput needed. Large constructs – Large plasmids, cosmids, or BACs, can be tricky to purify due to their...their normal kit protocols.  Yeast plasmids – If you’re extracting plasmids from yeast, instead of bacteria...purification protocols requires less plastic and avoids the use of more hazardous reagents like guanidine...environmental impact factor label Non-silica based, avoids use of chaotropic salts   What are all these...specifically optimized for purification of these large plasmids, while others have suggested modifications to ...Different Purity, Different Quantities, Different Uses Plasmids 101: Optimizing Plasmid Yields Bringing Sustainable...

  15. Introducing Addgene's Microbiology Pages

    Type
    Blog Post
    Published
    June 13, 2016, 7:08 p.m.
    ... To make it easier for you to find plasmids for your work, plasmids in the Microbiology Collection are...Microbiology Collection page, you can browse for plasmids by species and find our guides, plasmid kits and...resources for microbial research. Kits, guides, plasmids, and more We have Plasmid Kits for microbial work...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 ...

  16. CRISPR Antimicrobials

    Type
    Blog Post
    Published
    May 3, 2016, 2:30 p.m.
    ... plasmid and phagemid delivery systems. Phagemids are plasmids containing a phage origin of replication...plasmid-based, CRISPR systems (Find the Citorik Plasmids here). In both cases, they used 1-2 CRISPR crRNAs...single base pair change in DNA gyrase, CRISPR phagemids were cytotoxic only for resistant bacteria. Bikard...replication-deficient. Thus, a very large number of phagemids would be needed for an in vivo therapy. Another...252409288. PubMed Central: PMCID PMC4˚237163. Find plasmids from this paper at Addgene. 2. Bikard, David,...Additional Resources on Addgene.org Find CRISPR Plasmids for Your Research Read Our CRISPR Guide Pages ...

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

    Type
    Blog Post
    Published
    July 28, 2020, 1:15 p.m.
    ...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...

  18. Plasmid Grant to Aid Cervical Cancer Screening in Ghana

    Type
    Blog Post
    Published
    Nov. 8, 2016, 3:30 p.m.
    ...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...

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

    Type
    Blog Post
    Published
    Nov. 15, 2017, 3 p.m.
    ...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...

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

    Type
    Blog Post
    Published
    July 29, 2025, 1:15 p.m.
    ... 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...
Showing: 221 - 240 of 678 results