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We narrowed to 993 results for: Des

Showing: 121 - 140 of 993 results

  1. Plasmids 101: Multicistronic Vectors

    Type
    Blog Post
    ...adapted "self-cleaving" 2A peptides into their muliticistronic vectors. These peptides, first discovered in ...plasmids) are designed to have one or more of the genes replaced.  Additionally, 2A peptides could be PCR-cloned...PDF that you can save on your desktop. The Plasmids 101 eBook is designed to educate all levels of scientists...incorporated into plasmids for research purposes are described below. IRES Elements Translation in eukaryotes...the specific genes cloned into the vector.3  2A Peptides To overcome some of the disadvantages of the IRES...self-cleaving" is not entirely accurate, as these peptides are thought to function by making the ribosome...Proline.  The table below lists the four common 2A peptides employed by scientists. 2A cleavage is universal...

  2. Antibody Guide

    Type
    Collection
    ... is described in more detail in the Multiplex Assays section below. The following table describes the ... Science Guides Antibody Guide Antibody Guide View Addgene's Antibody...of B cells isolated from animals immunized as described above are used to create hybridomas, which produce...each antibody has two binding sites. Isotype Description Configuration and Valency Subclasses IgA Prevalent... used to quantify relative amounts of protein. Includes: Western blot ELISA Capture - used to isolate ...isolate specific proteins or protein complexes. Includes: Immunoprecipitation (IP) Chromatin immunoprecipitation...Visualization - used to visualize protein location. Includes: Immunofluorescence (IF) Immunohistochemistry ...

  3. Michael Davidson Fluorescent Protein Collection

    Type
    Collection
    ...Empty Backbones Plasmid Description Industry Return to top Blue Plasmid Description Industry Return to top...top Cyan Plasmid Description Industry Return to top Green Plasmid Description Industry Return to top mEmerald... mEmerald Plasmid Description Industry Return to top Yellow Plasmid Description Industry Return to top...top Orange Plasmid Description Industry Return to top Red Plasmid Description Industry Return to top Photoactivatable...Photoactivatable Plasmid Description Industry Return to top Content last reviewed: 25 September 2025...

  4. CRISPR Plasmids - Mammalian Expression

    Type
    Collection
    ... to a genomic DNA locus and encodes a primer binding site and the desired edits on an RT template. ID ...CRISPR plasmids that have been designed for use in mammalian systems. CRISPR...Expression The following CRISPR plasmids have been designed for use in mammalian expression systems. Cut Fully...Resources CRISPR Guide Viral Preps Protocols gRNA Design Tools CRISPR Blog Posts Base Edit Catalytically... can increase transcription of a specific gene. Design your gRNA sequence to direct the dCas9-activator...gene expression by interfering with transcription. Design your gRNA to target your gene of interest’s promoter...catalytically dead dCas9 to epigenetic modifiers. Design your gRNA to target a specific promoter or enhancer...

  5. Plasmids 101: Gibson Assembly and Other Long-Homology Based Cloning Methods

    Type
    Blog Post
    ... friends on the Cambridge 2010 iGEM team that describes the basics of Gibson assembly as a parody of “...assembly The Gibson assembly technique was first described by Dr. Daniel Gibson and colleagues at the J. ... Both Snapgene and NEB have tools that help you design primers for PCR amplification of fragments to incorporate...demonstration of how to use Snapgene’s program to design primers for Gibson Assembly. For a simple example...without scars as depicted below. First, you need to design primers to amplify the two fragments while also...the process works best with fragments over 200 nucleotides. This may be because the exonuclease could chew... through an entire fragment shorter than 200 nucleotides before the annealing and polymerization steps...

  6. Hassle-free 96-well Format Epitope Tagging Using Cas9 Ribonucleoprotein

    Type
    Blog Post
    ...knock-in. Another good design tool can be found at Desktop Genetics .For ssODN design, remember to incorporate... systems, you will have to design your crRNAs using other web-based design tools (for C-terminus tagging... not work in pull-down assays: Epitope tagging provides a solution Proteins - the workhorses of the cell...to mention frustrating. One elegant solution to sidestep the antibody problem is to tag the protein of ...sequences at the intended target site. With the widespread adoption of CRISPR/Cas9 technology and rapid ...bioinformatics tool for guide RNA and donor DNA design, and implemented our optimised protocols into a...genome browser: https://www.ensembl.org/index.html Design crRNA/ssODN: Using Ensembl Transcript ID(s) as ...

  7. High Complexity Golden Gate Assembly with NEB’s DAD

    Type
    Blog Post
    ...rules of thumb for designing your overhang sets. But are those rules the best way to design GGA overhang sets...overhangs with the same three nucleotides in a row; (4) no more than two nucleotides in the same position; (...data-optimized assembly design (DAD) to build out three tools to help researchers design high-fidelity Golden...the traditional rules of thumb for overhang set design allowed for high-fidelity assembly for sets of ... overhangs that violate some of the traditional design rules) for successful high-complexity Golden Gate...with a high potential for mismatches, so you can redesign individual pieces as needed to improve fidelity... a stochastic search algorithm rather than pre-designed sets, so identical searches can return multiple...

  8. Simplify Cloning with in vivo Assembly

    Type
    Blog Post
    ...ultracompetent (109 CFU/μg) cells. Primer design Using specific primer design (Figure 2), IVA cloning can be used...primers that bind at either side of the undesired portion, designed to amplify the rest of the vector sequence...primary method to produce the linear fragments, as desired modifications and homologous regions can be encoded...specifically cuts methylated DNA, so it will selectively destroy the template, but not newly synthesized sequences...mutagenesis to complex assembly of multiple genes. Primer design for each type of modification is shown in Figure... main requirement for IVA cloning is carefully designed primers. The majority of mistakes are due to incorrect...homologous sequences are encoded at the 5’ end. First design the template binding region, with a melting temperature...

  9. Plasmids 101: Colony PCR

    Type
    Blog Post
    ...step to colony PCR is designing primers. There are 3 strategies for primer design: 1) insert-specific primers... second option is to design backbone-specific primers. These primers are designed to anneal to sites that...less money. The key steps to colony PCR are: 1) design primers to detect the presence of your insert; ...things to consider when performing colony PCR.   Designing colony PCR primers The first and perhaps most ...-specific primers: Insert-specific primers are designed to anneal to an insert-specific sequence. This...backbone but that contain different inserts. When you design primers to anneal outside the cloning site, it ...about insert orientation, then you might consider designing orientation-specific primers. Blunt end cloning...

  10. CRISPR Challenges: Standardization and Homology Directed Repair

    Type
    Blog Post
    ...working with CRISPR than just designing a repair template that contains your desired edit, and I want to make...say about CRISPOR, a tool to help you design, pick, and close guides for Cas9 and Cpf1. This tool supports...The blog post I mentioned, John Doench’s How to Design your gRNA for CRISPR Genome Editing, gets over ...these numbers show that this basic concept of gRNA design is still challenging for researchers using CRISPR..., and that standardizing and improving the gRNA design process and rules for various applications is necessary...tackle the challenges of DNA repair (with bonus gRNA design resources.) Subscribe to CRISPR updates on our ...in Human Cells Hands-on tips for repair template design from guest bloggers Dominik Paquet and Dylan Kwart...

  11. Comparing Cas9 to NgAgo: Can the Argonautes Best CRISPR?

    Type
    Blog Post
    ...DNA guides NgAgo uses 5’ phosphorylated DNA guides (so called “gDNAs”) rather than the RNA guides employed...24 base DNA guides may be more user-friendly, since they can be ordered as oligonucleotides and should ...gDNA guides will also need to be transfected into the cells of interest. In contrast, RNA guides must ...important role in RNA interference, binding RNA guides to cleave foreign RNA. Argonaute proteins are also...cleave DNA in vitro, directed by phosphorylated DNA guides. Unfortunately, Swarts et al. were unable to show...NgAgo preferred certain guide sequences - using 5 guides/gene for 10 genes, they did not observe differences...a different approach, randomly removing 1-20 nucleotides from the cleavage site specified by the gDNA....

  12. Rewiring Metabolic Circuitry with CRISPR RNA Scaffolds [Video]

    Type
    Blog Post
    ...for CRISPRi are described here: http://www.addgene.org/crispr/qi/ Plasmids described in  Zalatan et ...stepwise protocol on designing and using RNA scaffolds: Delebecque, C. J. et al. Designing and using RNA scaffolds...regulators allows a greater degree of control of desired expression levels dependent upon the type of transcriptional...transcriptional regulator or the number of designed scaffold binding sites. With hundreds of characterized...tunability of transcription is possible. From a design perspective, this is appealing since the RNA scaffold...pairing, allowing for rational, straightforward design. Since the technique relies on base pairing, it...and multidirectional multiplex control via scRNA design is readily apparent in metabolic engineering. The...

  13. Twenty Years of Sharing: Expanding Accessibility

    Type
    Blog Post
    ...shipping. However, there were issues that persisted despite our best efforts. With a little over half of our...packages navigated customs and arrived at their destination in a timely manner and at the correct temperature...for their experiment.     Table 1: Most popular guides, protocols, and collections of 2023. Educational...Educational Resource Top Five by Views Guides CRISPR Guide Lentiviral Guide AAV Guide Optogenetics...Electrophoresis Bacterial Transformation How to Design a Primer Creating Bacterial Glycerol Stocks Inoculating...Origin of Replication What is a Plasmid? How to Design Your gRNA for CRISPR Editing The Promoter Region...Analysis Videos What is a Plasmid? How to Design Primers for PCR Agarose Gel Electrophoresis Inoculating...

  14. Screening for Successful Genome Editing with Digital PCR

    Type
    Blog Post
    ...your genome edits, this paper provides detailed instructions on how to design such assays, in addition to...great deal of precision. This means digital PCR provides an absolute measure of target abundance, does ...what kind of assays can be used to sniff out your desired mutations. The assays you will use aren’t that ...often used in real time PCR. These assays can be designed to detect either a donor sequence integrated through...non-homologous end joining (NHEJ) (2-5), depending on your desired genome edit. Since exploitation of NHEJ to generate...the target locus, as well as a reference probe designed to bind at an unedited site distal tothe predicted...double strand break, and a NHEJ/ “drop-off” probe designed to bind directly at the predicted double strand...

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

    Type
    Blog Post
    ...essentially any DNA sequence desired. This technology allows you to create a pair of designer proteins that will...nucleases that will bind desired sequences. TALENs are much more reliable. If you design them for a particular... simple to design TALENs. It only takes two to three days from the moment you are designing a TALEN on...Cell, Musunuru, Chad Cowan and their colleagues describe a much more efficient tool for doing that disease...people unfamiliar with this new TALEN kit, can you describe it for us? Musunuru: TALENs are a type of genome...target a particular DNA sequence? Musunuru: The kit includes 832 plasmids containing prefabricated pieces that...to build a DNA-binding domain to recognize any desired 15 base pair sequence in the genome in rapid fashion...

  16. CRISPR 101: Validating Your Genome Edit

    Type
    Blog Post
    ...screening by PCR may be the way to go. Design a PCR to flank your desired edit site and run the PCR product...nucleotide along with your desired edit. This silent mutation should be designed solely for restriction enzyme... updated Nov 3, 2022 by Susanna Stroik. You’ve designed your gRNA and introduced it into your target cells... your cells were appropriately edited for your desired mutation - insertion, deletion, or site-directed...know a few things about your target cells and the desired edits. First, you will need to know what the ploidy...knockout mutations When a knockout cell line is desired, any mutation that introduces a frameshift in the...frequency of your sgRNA-Cas9 combo. Pro tip: When designing your PCR, ensure there is at least ~200 base pairs...

  17. Plasmids for Endogenous Gene Tagging in Human Cells

    Type
    Blog Post
    ... later this year. Designing the donor plasmid Figure 2: Donor plasmid design strategy. A donor ...with each cell line. The editing strategy and design described above can be used to create similar donor ...GFP tag and 1kb of homologous DNA flanking both sides (about 2.7kb total)—is inserted into a plasmid backbone...plasmid to prevent the plasmid from being cut and destroyed by CRISPR/Cas9 during transfection. Making the...use electroporation, a technique that briefly destabilizes the cell’s outer membrane and allows the components...Addgene’s CRISPR-based Protein Tagging collection includes systems for tagging mammalian cell lines, Drosophila...

  18. CRISPR Plasmids - Bacteria

    Type
    Collection
    ... to a genomic DNA locus and encodes a primer binding site and the desired edits on an RT template. ID ...CRISPR plasmids that have been designed for use in bacteria. CRISPR...Bacteria The following CRISPR plasmids have been designed for use in bacteria. Cut Fully functional CRISPR/...Resources CRISPR Guide Viral Preps Protocols gRNA Design Tools CRISPR Blog Posts Base Edit Catalytically... can increase transcription of a specific gene. Design your gRNA sequence to direct the dCas9-activator...gene expression by interfering with transcription. Design your gRNA to target your gene of interest’s promoter...regardless of homology to the crRNA. This activity provides a stark contrast to Cas9 and Cpf1, which require...

  19. Plasmids 101: Control Plasmids

    Type
    Blog Post
    ...and should be designed accordingly. If you are trying activate a gene, you should design a control that...carried out by scientists every day. Although the designs and outcomes may vary, one thing should be present...these control plasmids are critical for the correct design of the experiment.  The Experiment: Knockdown the...control plasmids Part of planning your experiment includes determining what factors need to be controlled...microscopy images resulting from our experiment that includes the aforementioned internal control and is consistent...correct interpretation of the results because it provides an important reference point when analyzing the...positive control, the internal control vector, was described earlier. Once you are sure your conditions are...

  20. Caltech Systemic Capsids

    Type
    Collection
    ...at the bottom of this page. For more in depth descriptions of each serotype, check out Addgene's blog on...Browse Available PHP.eB AAV ID Name Promoter Description Category PI Controls 28306 pAAV-FLEX-tdTomato... Browse Available PHP.S AAV ID Name Promoter Description Category PI 28306 pAAV-FLEX-tdTomato CAG tdTomato...Browse Available PHP.V1 AAV ID Name Promoter Description Category PI 104052 pAAV-CAG-DIO-EYFP CAG EYFP...Browse Available MaCPNS1 AAV ID Name Promoter Description Category PI 37825 pAAV-CAG-GFP CAG GFP Control...Browse Available MaCPNS2 AAV ID Name Promoter Description Category PI 37825 pAAV-CAG-GFP CAG GFP Control...Browse Available CAP-B10 AAV ID Name Promoter Description Category PI 37825 pAAV-CAG-GFP CAG GFP Control...
Showing: 121 - 140 of 993 results