Skip to main content

We narrowed to 498 results for: plasmid dna

Showing: 241 - 270 of 498 results
  1. Kwabena Duedu on Public Health, Biofuels, and Doing Science in Ghana

    Type
    Blog Post
    ... awarded plasmids from Addgene as a successful applicant to the Addgene, Seeding Labs Plasmid Grant. For...Learn about the Addgene, Seeding Labs Plasmid Grant Read about Plasmid Grant Recipient, Gladys Kaba Resources... fellow nonprofit, Seeding Labs, to distribute plasmids to researchers in developing regions and thereby...accelerate their research. Kwabena came across the plasmid grant in Seeding Lab’s Newsletter and recently ...plans to use his research experiences as well as plasmids from Addgene to bring new opportunities to Ghanaian... Kwabena applied for the Addgene, Seeding Labs plasmid grant. 7:12 - 7:11 : Kwabena's work in Christopher...the University of Edinburgh - synthetic biology, DNA assembly methods, and engineering cellulose degradation...
  2. CasPEDIA: A Functional Classification of Cas Enzymes

    Type
    Blog Post
    ...exact Cas9 plasmid used by Jinek et al. 2012, or browsing for the latest AsCas12a plasmids, Addgene and... hand, generates staggered DNA nicks at its target in cis and cleaves ssDNA in trans. In sum, CasPEDIA...CasPEDIA documents the target substrate (DNA/RNA and strandedness) along with its action on the substrate (nick...find a link to search Addgene's collection for plasmids containing that enzyme, and embedded in the References...lists on every page you can find direct links to plasmids from the article if they're available through ...problem: CasPEDIA, a new resource from Jennifer Doudna’s lab at the Innovative Genomics Institute. What...frequently used Cas enzymes) cleaves both strands of its dsDNA target in cis and has no trans activity. AsCas12a...
  3. BeHeard Award 2018: Diseases of Glycosylation, Arginine Mutagenesis, & Neural Development

    Type
    Blog Post
    ...working with the Rare Genomics Institute to provide plasmid grants to researchers working on rare diseases ...Richard Gronostajski who each are being awarded free plasmids form Addgene to accelerate their research. Read... on to learn how these researchers plan to use plasmids from Addgene to advance their research on diseases...Prof. Videira and collaborators will use Addgene plasmids to immortalize CDG patient-derived immune cell...understanding the structural determinants of protein-DNA interactions and how these interactions regulation...Nfix-negative neural stem cells. The lab will use plasmids from Addgene to construct NFIX expression vectors...
  4. An “elegans” Approach to Better CRISPR/Cas9 Editing Efficiency

    Type
    Blog Post
    ...CRISPR/Cas9 ribonucleoprotein complex with linear DNA as repair templates which reduces time to generate...repair templates with homology arms of 35-80 bp, and DNA double-strand breaks up to 54 bp from the desired...in knock-in efficiency, presumably by channeling DNA breaks into the homologous recombination repair pathway.... elegans. These modular toolkits build single plasmid targeting vectors that encode the gRNA transcript... C. elegans, visit Addgene’s C. elegans CRISPR plasmids page. Future perspectives It is interesting to...Single-Stranded and Long, Partially Single-Stranded DNA Donors in Caenorhabditis elegans. Genetics 210:781...5′ Modifications Improve Potency and Efficacy of DNA Donors for Precision Genome Editing. BioRxiv. https...
  5. Plasmids 101: Biotinylation

    Type
    Blog Post
    ...biotinylating proteins with BirA. You can find plasmids that contain both AviTag and BirA at Addgene! ...labeling Biotin can be added to either terminus of a DNA sequence during a Polymerase Chain Reaction (PCR)...Photobiotin can be used to non-selectively label DNA and RNA. Photobiotin acetate consists of a biotin...electrophoretic mobility shift assay to examine specific dsDNA, ssDNA or RNA–protein interactions.” Nucleic Acids ...
  6. Visualizing Genomic Loci with CRISPR-Sirius

    Type
    Blog Post
    ...Addgene.org Browse our CRISPR plasmids for visualization Find plasmids for your research Read our CRISPR...protein (dCas9) is well known for its ability to bind DNA targets without changing them. Thus, it has been ...cells. Based upon this, they chose an intergenic DNA region (IDR3) as a reference loci to measure inter-locus..., give CRISPR-Sirius a try. Find CRISPR-Sirius plasmids at Addgene. References Ma, Hanhui et al. “Multicolor...
  7. Ginkgo Bioworks COVID-19 Collection

    Type
    Collection
    ... entity, please see our Plasmid Distribution to Industry page. These plasmids have not been expressed ...Addgene. Plasmids Use the search bar or sort buttons to find SARS-CoV-2 and common coronvirus plasmids based...SARS-CoV-2 Plasmids for Many Expression Systems Collection: COVID-19 and Coronavirus Plasmids & Resources...Browse Ginkgo Bioworks plasmids to express SARS-CoV-2 viral proteins in several expression systems. Depositor...Ginkgo Bioworks COVID-19 Ginkgo Bioworks COVID-19 Plasmid Collection (Link opens in a new window) Researchers...therapeutics, and vaccines against COVID-19 all rely on DNA encoding viral proteins as a first step for many ...Bioworks (Link opens in a new window) used their DNA design and synthesis capabilities, in collaboration...
  8. Tips for CRISPR Gene Editing in Mice

    Type
    Blog Post
    ... target plasmid and pX330-sgRNA plasmid (Mashiko et al. 2013). The pCAG-EGxxFP target plasmid contains...pCAG-EGXXFP plasmid along with the individual gRNAs in their PX330 plasmids (or similar plasmids for gRNA... (c) The pCAG-EGxxFP target plasmid was co-transfected with pX330 plasmids containing sgRNA sequences ...degradation that can set you back days. Working with plasmid DNA is much easier and doesn’t require the extra ... system floating around, and many pre-designed plasmids containing these variants ready for purchase. ... or you can order them yourself through whatever DNA supply company you currently use. You can also find...multi-cloning site (MCS) between EGFP fragments. The pX330 plasmid contains humanized Cas9 expression cassette and...
  9. Hot Plasmids: Fall 2024

    Type
    Blog Post
    ...of the new plasmids, antibodies, and viral preps in the repository through our Hot Plasmids articles.  ...indels after DNA repair. B) M. abscessus is first transformed with Cas9 on an integrative plasmid containing... or want to swap out the constant domains, the plasmids for the heavy chain and light chain are also available...ubiquitination and degradation.   Find the CRBNmidi plasmid here!   Kroupova, A. et al. (2024). Design of ...minimal background.   Find these C. elegans mScarlet plasmids here!   Cao W.X., Merritt D.M., Pe K., Cesar ...disruption in Mycobacterium abscessus using a dual-plasmid CRISPR/Cas9 system By Aryana Khosravani Deborah...Deborah Hung’s lab has developed a novel dual-plasmid CRISPR/Cas9 system for gene disruption in Mycobacterium...
  10. Droplet Digital PCR for AAV Quantitation

    Type
    Blog Post
    ...some time now. When titrating AAV by qPCR, viral DNA is amplified and monitored in real time. When the...comparing the threshold fluorescence of the viral DNA to the threshold fluorescence of a standard - a set... set of reactions with known quantities of DNA. Additionally, an AAV reference, a virus with a known titer...get right. Here at Addgene, we use a linearized plasmid standard. However, even when the standard is made... the ingredients for amplification of the target DNA. This partitioning reduces the number of PCR inhibitors... circulating Mycobacterium tuberculosis-specific DNA by droplet digital PCR for vaccine evaluation in ...
  11. RANbodies: Reporter Nanobody Fusions

    Type
    Blog Post
    ... projects, consider making you own DNA ladders with these plasmids from Penn State Need help picking the...are produced in animals instead of via recombinant DNA, they can’t be genetically tagged and instead are... a reporter and a nanobody that’s encoded on a plasmid. A nanobody is a ~150 amino acid, single domain... your own RANbodies? Great! All of the RANbody plasmids from Yamagata et al can be found here. Can’t find...Resources on Addgene.org More nanobody expression plasmids can be found here Watch this video to learn more...
  12. Tips for Titering Your Lentiviral Preps

    Type
    Blog Post
    ...cared for your packaging cell line, prepped your DNA, transfected and harvested your lentivirus. Now it...for expression of a gene carried on the transfer plasmid or quantifying the number of viral copies that ...beneficial as they ensure that the correct transfer plasmid was used in the transfection; if preparing several... that comes from amplification of the original plasmid which can over-inflate results. A packing vector...antibiotic resistance genes carried on transfer plasmids. Target cells are transduced with serial dilutions...transduced with serial dilutions of a viral prep, genomic DNA isolated, and primers targetting viral components...In this approach, viral RNA is first converted to cDNA and then quantified using qPCR primers targeting...
  13. Bioinformatics at Addgene

    Type
    Blog Post
    ...scientific community obtained high-quality data for our DNA-based reagents. Not only do we extract as much information...days, we would ‘spot-check’ critical regions of plasmids deposited with us via Sanger sequencing, while...while more recently we have moved to full plasmid sequencing at our facility using Illumina MiSeq Next Generation... to a partnership with Seqera Labs.              DNA sequencing drives our bioinformatics needs   ...lab work as we grew. As the number of deposited plasmids increased, the accompanying sequencing data collection...transform the raw sequencing data into a complete plasmid sequence that would be ready for our QC team to...With our outline of individual steps to automate plasmid sequence assembly, and possible solutions for each...
  14. Plasmids 101: A Brief History of Plasmids and an Improved eBook!

    Type
    Blog Post
    ...tetracycline resistant plasmid, pSC101, and a newly developed kanamycin resistant plasmid, pSC102, with EcoRI...engineering, cloning, and plasmid tags, addtional content added to the "Plasmids that Glow" and "Viral Expression...Learn more about the history of plasmids and cloning: CSHL Meeting: Plasmids: History & Biology The Joshua...Lederberg's Personal Perspective: Plasmid (1952-1997) Cohen, Stanley N. “DNA Cloning: A Personal View after...factors played within an organism.  So how did plasmids get their name? In 1952, Joshua Lederberg set...inheritance factors. He proposed the catch-all term “plasmid” derived as a hybrid of "cytoplasm" and "id" (Latin...” was eventually dropped and we’ve been using "plasmid" ever since! From napkins to notebooks Although...
  15. Sonic Hedgehog? Sleeping Beauty? Learn About the Genes Behind Addgene’s Conference Room Names

    Type
    Blog Post
    ... 1998). Interested in plasmids that contain the groucho gene? Check out plasmids deposited by the Shivdasani... several plasmids that contain SHH, you can find them all here! The most popular SHH plasmid however was... to see for yourself. We have one plasmid in our repository, plasmid 39624, that contains cmr.   tinman...website for plasmids that contain tinman or the mammalian homolog Nkx2.5. We also have one plasmid, Addgene...Drosophila Read our Plasmids 101 blog series Resources on Addgene.org Find plasmids for your research ...the stories behind the names. We also have many plasmids in our repository that you can use to study these..., and even humans. It binds to a specific set of DNA-binding transcription factors to repress the expression...
  16. p53 Pathway

    Type
    Collection
    ...function in cancer. p53 Pathway Plasmids Click on a name to find available plasmids for the gene, or browse the...suggestions for other plasmids that should be added to this list? Fill out our Suggest a Plasmid form or e-mail...Addgene's collection of plasmids for the p53 pathway. p53 is a transcription factor and tumor suppressor...mTOR pathway Ras pathway Background p53 Pathway Plasmids p53 Gene List References Background p53 is a transcription...tumor suppressor activated by cellular stresses like DNA damage, oxidative stress, and nutrient deprivation... negative regulators, increase its stability and DNA binding activity, and allow it to bind transcriptional...of these mutations are missense mutations in the DNA-binding domain, often at one of six hotspot residues...
  17. Viral Vectors 101: Transductions

    Type
    Blog Post
    ...bacterial in nature. All three of these methods involve DNA incorporation into the cell, but the mechanisms vary...lentivirus, adenovirus, or AAV. Then, your desired DNA to be integrated can be cloned into the vector that...typically transfected along with viral packaging plasmids into a viral production cell line, usually HEK...HEK-293 cells. When all of these viral plasmids are expressed within the production cell line, viral particles...
  18. Plan Your Experiment

    Type
    Collection
    ...generate stable cell lines if your plasmid contains a selection marker. Plasmid delivery is versatile thanks...more than just the DNA sequence. If this is the case, you can confirm your edit using DNA-based methods like...Application Cas Enzyme Additional Considerations Browse Plasmids Knockout Permanently disrupt gene function; cells...mutations or small tag insertions, by copying from a DNA donor template Cas9 or Cas9 fusions with proteins...different activator systems exist, including the multi-plasmid SAM system Activate Design and Clone Your gRNA ...efficiency . Remember that HDR also requires donor DNA to serve as template for the repair. Once you settle...settle on your gRNA, you can design a donor DNA to have the appropriate left and right homology arms. See...
  19. Viral Production

    Type
    Collection
    ...the transfer plasmid, a plasmid encoding Rep and serotype-specific Cap genes, and a plasmid encoding adenoviral...Transfer Plasmid Addgene uses a rigorous barcode matching system that follows the sample from the DNA tube...cells several days later, and isolating genomic DNA. This DNA is then used as a template to amplify a portion... coli . In addition, plasmids are typically prepared using endotoxin-free plasmid purification kits. Resources...of the viral genome and the absence of unexpected DNA contaminants. The data is also used to determine ...contamination is minimized by using an endotoxin-free plasmid purification protocol. To minimize the immunogenic...lentiviral vector, incubated for 72 h, and genomic DNA is extracted. Primers and probes targeting integrated...
  20. xCas9: Engineering a CRISPR Variant with PAM Flexibility

    Type
    Blog Post
    ...transcription from the accessory plasmid (AP) encoding phage gene III. The accessory plasmid library contained all...and high DNA specificity." Nature (2018) doi: 10.1038/nature26155 PubMed PMID: 29512652 Plasmids from this...In order to bind DNA, Cas9 and other CRISPR enzymes require a short PAM sequence adjacent to the targeted...PAM flexibility. In this system, the mutagenesis plasmid (MP6) permits quick, large-scale mutation of the...Addgene.org Check out our CRISPR Guide Find CRISPR Plasmids for Mammalian Systems Learn about CRISPR History...
  21. AAV Packaged on Request is Here!

    Type
    Blog Post
    ...can request any of over 3,000 eligible AAV cargo plasmids in the Addgene repository to be packaged in your...Request With Packaged on Request, you can find your plasmids and your viral packaging service in the same place...packaged on request process, simply navigate to your plasmid of interest. If it’s eligible for packaged on request...sequencing to confirm the identity of the packaged DNA and serotype. That way, you know you’re getting the...special processes involved; simply request your plasmid of interest in your desired serotype, place your...
  22. AAVs CREATed for Gene Delivery to the CNS and PNS

    Type
    Blog Post
    ...(cap) expressing plasmids is generated. Diversity is introduced into the cap plasmid library by inserting...Caltech stepped up to the challenge. Find the PHP Plasmids Here! Their Solution: Use the CREATE method to...inserting short DNA sequences that contain all possible combinations into a region of the cap gene. In this...this special CREATE cap plasmid, loxP sites flank the downstream polyA sequence. When viruses produced ...produced from this plasmid pool are injected into an animal with cell-type-specific Cre, the polyA sequence is...a cell type of interest, a scientist can isolate DNA from the infected animal and use the pre-designed... do these AAVs transduce the CNS and PNS? Both plasmids infect the PNS or the CNS much better than the...
  23. Your Top Requested Plasmid in 2015!

    Type
    Blog Post
    ...from our repository to find our most requested plasmid in 2015. In line with all of the exciting developments... past year, we're excited to announce that the plasmid most requested from the Addgene repository in 2015...libraries containing thousands of pre-cloned gRNAs. DNA aliquots of the GeCKO v2 pooled libraries targeting...put to such great use. It’s just one of the many plasmids being distributed to and accelerating research...Knockouts Read Some Common Ways to Deliver CRISPR Plasmids to Mammalian Cells Resources on the Addgene Website...Visit our Lentiviral Guide Pages Find Lentiviral Plasmids Find CRISPR Pooled Libraries ...
  24. Your Top Requested Plasmid in 2016!

    Type
    Blog Post
    ...for sure, as is obvious from our most requested plasmid, SpCas9 is still going strong as the basis for ...experiments. So, without further ado, the most request plasmid in 2016 was... pSpCas9(BB)-2A-Puro (PX459) V2.0...      Similar to last year, the top requested plasmid from 2016 is an expression vector for CRISPR nuclease... of mammalian cell types. Purpose  SpCas9 This plasmid expresses Streptococcus pyogenes (Sp) Cas9 from...sequence as directed by a gRNA. 2A-Puro In this plasmid, SpCas9 is fused to the puromycin resistance gene...resistance gene enables selection of cells with the plasmid post transfection. The 2A "self cleaving" peptide... What's not in the name? Not included in this plasmid's name are some additional features. The first and...
  25. 5 Tips for Troubleshooting Viral Transductions

    Type
    Blog Post
    ...hepatitis B virus DNA and hepatitis C virus RNA quantification as measured with branched-DNA technology." ...when working with virus: 1. Viral vectors undergo DNA rearrangements. Depending on the composition of ...percentage of surviving cells may be the result of plasmid integration via recombination during transfection...Recombination events during integration of transfected DNA into normal human cells."Nucleic acids research 18.9...
  26. Save Time and Money by Making Your Own Competent Cells

    Type
    Blog Post
    ...survivalTM, and Stbl3TM. How to transform your plasmid DNA If you decided to use commercial competent cells...if you're transforming a plasmid with ampicillin resistance.  After a plasmid is introduced to bacteria... library or an especially low concentration of plasmid), you will benefit from purchasing competent cells...negative control (plate your cells without adding plasmid) to make sure you don’t have contamination.  ... Also conduct a positive control (test a plasmid that transforms well in other competent cells) to ensure...
  27. SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas

    Type
    Blog Post
    ...contains SSB, strand displacement DNA polymerase, recombinase, and the ssDNA-FQ reporters that exhibit fluorescence...preamplification was able to detect as low as 1.2 copies DNA targets and 4.6 copies RNA targets in a 40 min incubation...sensitive to the presence of mismatches within the DNA and the positions of these mismatches. To detect ...varying between 10-50°C. Visit Addgene's COVID-19 Plasmids and Resources Many thanks to our guest bloggers...more about SHERLOCK and DETECTR Learn more about plasmids available for COVID-19 research Resources on ...in our CRISPR guide Browse our entire COVID-19 plasmid collection ...indiscriminate ssDNA cleavage activity which cleaves the supplied fluorescently labelled ssDNA substrates....
  28. Targeting HIV-1 with CRISPR: Shock and Kill or Cut it Out?

    Type
    Blog Post
    ...Cas9 nuclease, so there’s no potential for aberrant DNA cleavage. Direct HIV-1 cleavage allows T-cells to...level of protein structure, CRISPR gRNAs require DNA sequence-specific binding. Patients’ HIV-1 genomes...26538064. PubMed Central PMCID: PMC4633726 Find SAM plasmids used in this publication at Addgene. Kaminski...PMC4778041. Find CRISPR and lentiviral packaging plasmids used in this publication at Addgene. Wang Z, ...Rice CM, Bhatia SN. CRISPR/Cas9 cleavage of viral DNA efficiently suppresses hepatitis B virus. Sci Rep...Addgene’s newly updated CRISPR Guide! Find CRISPR Plasmids for Your Research Browse gRNA Design Tools  ...
  29. Plasmids 101: Walkthrough of Addgene’s Snapgene-Powered Quality Control Process

    Type
    Blog Post
    ... we use SnapGene for plasmid quality control are: To identify important plasmid features To align NGS...design experiments for further plasmid verification Identifying plasmid features While our quality control...control process for incoming plasmids can vary based on the contents of a plasmid, the first step is always...always to send prepped plasmid DNA for next generation sequencing. We then copy the contents of the resulting...send the plasmid off for Sanger sequencing.     If a repetitive region is present in the plasmid, we might...sequencing results for plasmids in the repository at a glance. Our Snapgene-powered plasmid maps and sequences...the Addgene Blog How to verify your plasmid Check out our Plasmids 101 featured topic page Additioinal...
  30. Giving gRNAs a Facelift - Synthetic and Beyond

    Type
    Blog Post
    ...macromolecules used in scientific research such as DNA or protein. It comes as no surprise then that stability...Base modifications What is more stable than RNA? DNA! One way to make your gRNA more efficient on a budget...ribonucleotides for deoxynucleotides. A partially DNA gRNA is surprisingly well-tolerated by the Cas9 protein...ready-to-use viral preps of select CRISPR lentiviral plasmids Additional resources on the Addgene Blog  How...
Showing: 241 - 270 of 498 results