...subset of the new plasmids and viral preps in the repository through our hot plasmids articles. These articles...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need...They generated plasmids tagged with EB3 to mark the growing tips of microtubuli and plasmids tagged with ...and dCas9-VPR targeting plasmids can be found at Addgene. Check out these plasmids for piggyBac gRNA delivery...highlights from recent CRISPR plasmids. To find all of the CRISPR plasmids available from Addgene, head... Find the plasmids at Addgene The MoClo CRISPR/Cas Toolkit for plants includes 95 plasmids consisting...need. If you'd ever like to write about a recent plasmid deposit please sign up here.  Here's what you'll...

....1111704108. Epub 2011 Aug 9. PubMed. Find the Plasmids @Addgene: Plasmids for KD, R, B2, and B3 recombinases from...frequency of 1.2 per megabase in mammals), leading to DNA damage and developmental aberrations. In multiple...10.1038/ni0707-665. PubMed. Growth inhibition and DNA damage induced by Cre recombinase in mammalian cells...

...ddPCR) Historically, a quantitative DNA hybridization method (DNA dot blotting) had been used to titrate... as opposed to purified DNA. This may be mitigated by using purified viral DNA as the template instead...the category: ELISA...qPCR...Digital droplet PCR...DNA dot blot...Transduction assay...SDS-PAGE...Electron...concentration of viral genomes (by qPCR or other DNA quantification methods - see below), since each viral...concentration. We regularly make and validate fresh plasmid standards. We validate our absolute quantification... digital PCR system for absolute quantitation of DNA copy number." Analytical chemistry 83.22 (2011): ...

...skin, blood and semen samples. Ma et al. designed plasmids containing Cas9 and two different gRNAs, and electroporated...oocytes, thus allowing repair to take place before DNA replication. Indeed, they observed that 41/42 embryos...editing.’ While repair using endogenous chromosomal DNA is appealing for heterozygous mutations, it will ... homozygous mutations. Moreover, introducing new DNA seems impossible with current tools, thus quieting...CRISPR Resources on Addgene.org Browse All CRISPR Plasmids Check Out Our CRISPR Guide Pages ...

... its reported cleavage site on the complementary DNA strand. And this is why we love working with researchers... have in order to scan along the double-stranded DNA, recognize a PAM sequence, allow the complementary...base pairing between the guide RNA and the target DNA strand, and then activate two different endonuclease...This structure captures the displaced non-target DNA strand and shows the HNH nuclease domain swung around...juxtaposition to its cleavage site on the target DNA strand. In addition, this model also displays the...Guide Page CRISPR/Cas9 History Browse All CRISPR Plasmids and Resources ... technology to 4th graders, check out Jennifer Doudna’s new book A Crack in Creation. Making models more...

... Addgene/Seeding Labs plasmid grant and plans to use the grant to order plasmids she can use as positive...similar grants back in June, Gladys will be using plasmids in creative ways that we wouldn’t necessarily ...commonly used in Ghana, there is little screening for DNA markers like the presence of high risk (HR) Human...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...awardees We will be opening the Addgene/Seeding Labs Plasmid Grant to a third round of applicants at the start...

...the bay area to create a plasmid rap video for us (If you’re new to plasmids, we highly recommend checking...about colony collapse disorder.     5. Plasmid Rap Plasmid rap video made with support from Addgene....incredibly important role in solving the structure of DNA. 2. The Immortal Rap of Henrietta Lacks Students...Podcasts Find Great Educational Content in our Plasmids 101 Series Additional Resources on Addgene.org...

...Read our plasmids 101 blog series Resources on Addgene.org Browse our zebrafish CRISPR plasmid collection...Creating transgenic organisms by introducing foreign DNA into the genome is useful for a variety of applications...transposon called Tol2 to randomly integrate foreign DNA into the genome. Non-random integration into specific...facile CRISPR/Cas9-mediated insertion of foreign DNA. Despite these caveats, several features of zebrafish—including...collection Read our molecular biology reference Find plasmids for your research ...

...Isotype switching is caused by a specialized type of DNA recombination. Heavy chain constant genes are clustered... expressing a different isotype, the intervening DNA sequence is deleted, which places the variable region...    Figure 2: Isotype switching requires DNA recombination of the antibody gene locus. B cells...in the heavy-chain constant domain gene cluster. DNA recombination can delete intervening heavy-chain ...Resources on Addgene.org Browse Addgene’s Antibodies plasmid collection ...

...Feng Zhang’s lab at MIT, the use of customizable DNA-binding domains based on transcription-activator-... (blue) light switch. Zhang’s team devised the plasmids now available in Addgene’s repository for use ...biological processes and disease states. While LITE plasmids have clear application to anyone with an interest...

...sexual reproductive life cycles. One can inject plasmid DNA in the eggs to get transgenic animals. They might...of molecular biology, many scientists do a lot of DNA work but never get to actually manipulate the organism...plans and in particular, that they all share the plasmids created under this programs via Addgene. New organisms...such that the two plants share RNA, proteins, and DNA. Euprymna scolopes (Joshua Rosenthal) The Hawaiian...efficiently transform these cells which don’t like foreign DNA at all (maybe because they have only 1,700 genes ...

...the chimera are encoded by DNA. Since researchers can generate almost any DNA sequence in the way that ...instance, Lifeact-mTurquoise2 (Plasmid #36201) or mScarlet-tubulin (Plasmid #85045). We often use restriction...protein over-expression artifacts The introduction of DNA that encodes a fusion protein adds protein to the...advisable to first express the fusion protein from a plasmid-based system to assess whether the chimera is still...Download the fluorescent proteins 101 eBook Read our plasmids 101 blog series Resources on Addgene.org Browse...protein fusions Browse the fluorescent proteins plasmid kits ...measures homodimerization of FPs targeted to the endoplasmid reticulum based on the appearance of OSER whorls...

...genome is lethal. If this DSB occurs on a plasmid, the plasmid will be eliminated from the bacterium, which...sequence-specific, antimicrobial, plasmid-based, CRISPR systems (Find the Citorik Plasmids here). In both cases, ...genes in E. coli using plasmid and phagemid delivery systems. Phagemids are plasmids containing a phage origin...sequence results in cell death. Plasmid targeting may result in plasmid loss and antibiotic resensitization... three essential processes: cell wall synthesis, DNA replication, or protein synthesis. Because they target...this resistance gene being encoded by a high-copy plasmid. In the case of the genomically encoded quinolone...resistance, mediated by a single base pair change in DNA gyrase, CRISPR phagemids were cytotoxic only for ...

... 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...

...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...

...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...

...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...

...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 ...

...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...

... 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...

...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...

...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 ...

... 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...

...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...

...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...

...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...

... 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...

...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...

...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...

...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...

...(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...

...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 ...

...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...

...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...

...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...

...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....

...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  ...

... 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...

...Heidelberg University. “What is different is the plasmids you use to bring this into your target organism...stack several expression cassettes onto a single T-DNA in subsequent rounds, dramatically reducing the time...

...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...edits in DNA without causing double-strand breaks. Our new page shows you base editing plasmids for mammalian...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...