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We narrowed to 383 results for: plasmid dna

Showing: 161 - 180 of 383 results

  1. Creating accessible biology activities in schools with BioBits

    Type
    Blog Post
    Published
    Aug. 2, 2018, 12:56 p.m.
    ...fluorescent protein – you first need the DNA sequence that encodes it. That DNA sequence then needs to be incorporated...classrooms, like gel electrophoresis to separate DNA or transforming cells with green fluorescent protein...ll work with you to get the word out about your plasmids and their potential educational uses. We believe...30083609. PubMed Central PMCID: PMC6070313. Find the plasmids from this publication at Addgene! Additional ...developmental biology Use the pathways over time plasmids to engage students in functional genomics research...out our molecular biology reference pages Find plasmids from the BioBits BrightTM publication here ...

  2. Viral Vectors 101: Parts of the AAV Packaging Plasmid

    Type
    Blog Post
    Published
    Dec. 3, 2020, 2:15 p.m.
    ...transfer plasmid, which contain regions of dsDNA. To generate a 3’ hydroxyl group needed for DNA replication... AAV.  Where do you start? Plasmids of course! You just need three plasmids to start making the AAVs you...packaging plasmid which contains the AAV structural and packaging genes, the adenoviral helper plasmid which...packaging plasmid and take a look at each of its parts. Key elements of the AAV packaging plasmid The packaging...packaging plasmid aka the RepCap plasmid encodes two genes: the replication (rep) gene and the capsid (... AAV RepCap plasmid! Check out this blog post to learn more about the AAV transfer plasmid! References... for the virus to replicate,  and the transfer plasmid which contains the viral genome. In today’s blog...

  3. Plasmids 101: Colony PCR

    Type
    Blog Post
    Published
    May 12, 2016, 2:30 p.m.
    ...thermocycling program. One key difference is the plasmid DNA must be released from the bacteria in order to...just need to lyse the bacteria to release the plasmid DNA by either briefly boiling the sample before use... sequences of the junctions between the plasmid and insert DNA. Colony PCR will greatly reduce the number...the correct orientation or even if it’s in your plasmid backbone. Backbone-specific primers: A second...orientation of your insert or if the insert is in your plasmid Have to make a new primer pair for each insert ...about the size of the insert and if it's in the plasmid Can be used to screen clones that were created ...created with the same backbone because primers are plasmid dependent Doesn't provide information about the...

  4. CRISPR Between the Genes: How to Experiment with Enhancers and Epigenomics

    Type
    Blog Post
    Published
    Aug. 9, 2016, 2:30 p.m.
    ...) ChiRP-seq RNA Hi-C DNA (genome-to-genome interactions) DNase-seq DNA (regions that are accessible... regions of DNA that demonstrate “spooky action at a distance.” Through the marvel of DNA compaction, ...details on DNA compaction and the structural proteins that make it possible, see the appendix DNA is a 3D...See below for further details. DNA is a 3D Fractal Figure 2: DNA compaction. Graphics courtesy ...For instance (chr3, 1, 10) indicates a stretch of DNA at the very beginning of the third chromosome, ten...coordinates for genetic elements like protein, RNA, and DNA (Table 1). As with GPS in the real world, coordinates... examine how we can locate powerful stretches of DNA known as enhancers with the help of genome math. ...

  5. 28 Hot Plasmid Technologies from 2015

    Type
    Blog Post
    Published
    Dec. 23, 2015, 3:30 p.m.
    ...amazing plasmid technologies developed by our community of depositors. With over 40,000 plasmids avaliable...amazing new plasmid tools that have come through our doors in 2015. Do you have a favorite new plasmid tool ...system plasmids are available through Addgene and are already very popular. Use these plasmids to increase... can visualize: Cell Structure Plasmids: Cell Structure Plasmids: ER mCherry-Sec61 beta BFP-Sec61...luciferase reporter gene plasmid pGL3 pGL3 luciferase reporter gene plasmids have been used extensively...find all of our Hot Plasmid articles on our website. We update the our Hot Plasmids articles every quarter...Read Our CRISPR 101 Posts Read Our Plasmids 101 Posts Read All of Plasmid Technology Posts Resources at ...

  6. Plasmids 101: Terminators and PolyA signals

    Type
    Blog Post
    Published
    March 31, 2016, 2:30 p.m.
    ...based on the functional elements they contain. Plasmid DNA in both prokaryotic and eukaryotic systems must...Download our Plasmids 101 eBook to get all the background you need to start working with plasmids! What are...Techniques Read all of our Plasmids 101 Posts Resources on Addgene.org Browse our Plasmid Reference Pages Just...Plasmids designed to express genes in a given host cell type are generally broken down into two broad...Rho-dependent terminators are not usually employed in plasmid-based expression systems, so these will not be ...the end.  Nearly all common bacterial expression plasmids use Rho-independent terminators, which include...the right. The tertiary structure of the hairpin-DNA complex is thought to destabilize the transcription...

  7. Fluorescent Tagging of Endogenous Genes with SapTrap

    Type
    Blog Post
    Published
    Oct. 12, 2017, 2:26 p.m.
    ...as a universal donor plasmid. The CRISPaint toolkit includes several donor plasmids for protein tagging...the ability of the endonuclease Cas9 to create a DNA double stranded break (DSB) at a genomic site specified...homology directed repair pathway, a new user-defined DNA sequence (like GFP) can be inserted at the DSB. CRISPR...The Jorgensen Lab recently developed a modular plasmid assembly toolkit called SapTrap to improve CRISPR...the user first designs either oligos or synthetic DNA for the desired gRNA target sequence, as well as ...repair template. SapTrap includes a prebuilt donor plasmid library containing several types of fluorescent...tag and homology arms). Digestion of the donor plasmids with SapI allows the tag, selectable marker, and...

  8. Modulate the Activity of 17 Signaling Pathways with One Kit!

    Type
    Blog Post
    Published
    March 22, 2016, 2:30 p.m.
    ...for Your Research View our Hot Plasmid Pages to See the Latest Plasmid Technologies ...identified a set of one to three mutant complementary DNAs (cDNAs) representing core nodes that, when over-expressed...cloned all the cDNAs into a single consensus lentiviral expression vector and attached a DNA barcode to each... drugs in specific contexts, so he assembled a plasmid kit designed to do exactly that. As described in...It’s also possible you could make use of these plasmids in living animals, to explore pathways that confer...Be Used in Genome-Wide Screening Browse 28 Hot Plasmid Technologies from 2015 Additional Resources on...curate the perfect library, obtained the appropriate cDNAs from other researchers, and cloned them into lentiviral...

  9. Viral Vectors 101: An Introduction to AAV

    Type
    Blog Post
    Published
    May 30, 2023, 1:15 p.m.
    ...designed so that the single stranded DNA folds back on itself to become dsDNA in the nucleus and is a good option...Adeno-associated virus (AAV) is a single stranded, Parvoviridae DNA virus, packaged in a non-enveloped icosahedral capsid...repeats – the sequences that flank the deliverable DNA) are removed, resulting in recombinant AAVs (rAAVs...cell machinery, and synthesize a second strand of DNA before expression of their cargo can begin, which...not divide and replicate in the same way the host DNA does. Because of this, fast dividing tissues will...differentiated, non-dividing cells.   Figure 2: DNA rescue and transduction of a conventional single-...of both polarities are rescued from the vector plasmid and individually packaged into the AAV capsids....

  10. Viral Vectors 101: What is a Virus (and a Viral Vector)?

    Type
    Blog Post
    Published
    Aug. 18, 2023, 4:15 p.m.
    ...intermediary DNA replication step between DNA and mRNA. DNA genome replication can involve an RNA or dsDNA intermediary...Louten, 2016 Viruses with DNA genomes can either follow central dogma (gDNA to RNA to proteins) or require...retroviruses, reverse transcribe their gRNA into DNA, which is then transcribed into mRNA before being...replicate their genomes using a variety of RNA or DNA intermediaries, depending on the class of virus. ...the required proteins are packaged in separate plasmids and expressed via cells cultured with the vectors...double stranded (ds) or single stranded (ss) (ie, dsDNA, ssDNA, dsRNA, positive sense ssRNA, or negative sense...

  11. Plasmids 101: Antibiotic Resistance Genes

    Type
    Blog Post
    Published
    Jan. 30, 2014, 3:29 p.m.
    ... presence of a plasmid is disadvantageous from the bacterium's perspective – a plasmid-containing cell...cell must replicate the plasmid in addition to its own chromosomal DNA, costing additional resources to ...to maintain the plasmid. Adding an antibiotic resistance gene to the plasmid solves both problems at once...Biology Reference Pages View our Plasmid Protocols Find Your Perfect Plasmid Backbone ...think about how much easier it makes our lives. Plasmid transformation into E. coli is a fairly inefficient... which cells successfully received the correct plasmid, scientists would spend hours to days trying find...once – it allows a scientist to easily detect plasmid-containing bacteria when the cells are grown on ...

  12. Five Popular Model Organisms

    Type
    Blog Post
    Published
    April 11, 2019, 12:39 p.m.
    ... eBook Read our plasmids 101 blog series Resources on Addgene.org Browse our plasmid collection pages... resistant to chemotherapy. You can find these plasmids at Addgene. Another advantage of mice as model...using the fruit fly far before we even knew that DNA was genetic material (Jennings, 2011).   The fruit...processes with our own cells. Like human cells, yeast DNA is packaged into chromosomes and about 23% of yeast...Scientists can simply inject one-celled embryos with DNA or RNA to edit their genomes or to create transgenic... pancreas. They first tagged these cells using plasmids. Then using HOTcre, a method that uses heat induction...Transgenic animals can be made by simply micro-injecting DNA into the worm, such as animals that express fluorescent...

  13. CRISPR 101: Any Base Transversion Editors

    Type
    Blog Post
    Published
    April 1, 2025, 1:15 p.m.
    ... inosine from DNA: N-methylpurine DNA glycosylase (MPG), also known as alkyladenine DNA glycosylase (AAG...N-methylpurine DNA glycosylase / alkyladenine DNA glycosylase  Removes hypoxanthine from DNA, creating an...create an abasic (empty) DNA site using either fused or endogenous Uracil DNA N-glycosylase (UNG) enzymes...(AP) site. UNG / UDG Uracil DNA N-Glycosylase Removes uracil from DNA, creating an abasic site. MPG...W. (2024). Programmable DNA pyrimidine base editing via engineered uracil-DNA glycosylase. Nature Communications...fused to nCas9. First, MPG removes the G base from DNA to create an abasic site. Like in most other base...non-edited strand to encourage the cell to repair the DNA using the edited strand as a template — in this case...

  14. Addgene's Top 10 Blog Posts of 2015

    Type
    Blog Post
    Published
    Dec. 7, 2015, 6 p.m.
    ...the vast majority of CRISPR plasmids in our repository use Cas9 to cut DNA, Addgene Science Communications...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...

  15. The Stingy Scientist: How the Baby Gel Box Was Born

    Type
    Blog Post
    Published
    April 15, 2014, 3:11 p.m.
    ... to make my own glass milk for purifying cut plasmid DNA from agar slices.  Molecular biologists used ...daily before the advent of techniques like PCR and DNA synthesis. Most molecular biologists bought the pricey... I realized I was pouring large agarose gels for DNA visualization or isolation, then using only a few...bromide, less stop buffer and miniscule amounts of plasmid sample.  How satisfying?  With practice, I got ...

  16. Design Tips for Prime Editing

    Type
    Blog Post
    Published
    Jan. 23, 2025, 2:15 p.m.
    ...the CRISPR guide Find CRISPR plasmids by function Browse our entire plasmid collection ... prevents the prime editor from re-engaging with DNA it has already edited. Created with BioRender.com...create 3-base (or longer) tracts of edited bases. DNA mismatch repair (MMR) is less efficient at identifying...cell to use the edited strand as a template during DNA repair. Test multiple nick sites, starting with sites... Nicking sgRNAs can be designed to target edited DNA, so that nicking only occurs after the edit is installed...genome editing without double-strand breaks or donor DNA. Nature, 576(7785), 149–157. https://doi.org/10.1038...Structure of Cas9 in Complex with Guide RNA and Target DNA. Cell, 156(5), 935–949. https://doi.org/10.1016/j.cell...

  17. Viral Vectors 101: The Retroviral Lifecycle

    Type
    Blog Post
    Published
    July 27, 2023, 1:15 p.m.
    ...from a reverse-transcribed piece of DNA called a “provirus.” This DNA is synthesized inside of what is called...Central Dogma of Biology (gDNA → mRNA → protein): their roadmap includes RNA → DNA (Cooper & Temin, 1974)...transferring genes to mammalian cells (i.e. transferring DNA), yet retroviruses are RNA-containing viruses  (Robinson... because they integrate this reverse-transcribed DNA into the host cell’s genome and then use cell machinery...Transduction is often thought of as the integration of DNA into the host cell’s genome (shown in step 3), but...various mechanisms, only one of the two strands’ DNA counterparts from step 2 will be integrated by the...Hu & Temin, 1990). At step 3, the double stranded DNA is integrated into the host chromosome, and this ...

  18. Thanks to Addgene Depositors, We’re Now Sharing over 100,000 Reagents!

    Type
    Blog Post
    Published
    April 8, 2021, 7:25 p.m.
    ...including plasmids, ready-to-use viral preps, pooled libraries, kits, and cloning grade DNA!     This...100,000 different plasmids available from the repository (currently at 98,276 plasmids as of April 8, 2021... 2021) 1.5 million plasmids shared in total (currently at 1,484,507 as of April 8, 2021) 5,000 depositing...addgene.org homepage! You can track the number of plasmids right below the search bar and more stats further...

  19. CRISPR 101: RNA Editing with Cas13

    Type
    Blog Post
    Published
    July 31, 2020, 12:30 p.m.
    ...Learn about CRISPR DNA Base Editing Resources on Addgene.org Browse All CRISPR Plasmids Check out our CRISPR...editing has multiple advantages over more traditional DNA editing systems; first, RNA editing doesn't require...contain the RuvC and HNH domains responsible for DNA cleavage, so they cannot directly edit the genome...is mediated by ADAR2DD, not PspCas13b. Find the plasmids for the RESCUE RNA editors here! Testing and improving...for viral delivery.  Find the RESCUE RNA editing plasmids here! Future directions Building on previous RNA...Science (2017):pii: eaaq0180. PMID: 29070703. Find plasmids from this paper at Addgene. Abudayyeh, Omar O...550(7675) (2017):280-284. PMID: 28976959. Find plasmids from this paper at Addgene. Abudayyeh, Omar O...

  20. CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More

    Type
    Blog Post
    Published
    Sept. 28, 2020, noon
    .... citrea scarless editing plasmids Sheng Yang’s lab describes a two-plasmid system that combines recombineering...QCascade DNA-targeting module with the crRNA, (3) three transposase proteins, and (4) the donor DNA. By using...supplied as a dsDNA fragment. Each round of editing takes two days, and the pTargetF and pCas plasmids can be...engineering functions in bacteria, but have no fear - plasmids from Addgene depositors are making it easier than...machinery to promote homologous recombination of linear DNA fragments. Since recombineering does not contain ... system available from Addgene consists of two plasmids: pCas9: carries Cas9 and chloramphenicol resistance...gRNA and a backbone-targeting gRNA cassette for plasmid curing through "self-destruction" after induction...
Showing: 161 - 180 of 383 results