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Showing: 161 - 176 of 176 results
  1. Generating Mouse Models Using CRISPR/Cas9

    Type
    Blog Post
    Published
    July 12, 2016, 2:30 p.m.
    ... Find CRISPR Plasmids for use in Mammals Check out Our CRISPR Guide Pages Find Plasmids for Mouse Targeting...model basics To create a mouse model, the gRNA, Cas9, and donor oligonucleotide or plasmid components are...genome is made up of 3 x 109 nucleotides (nt), and encodes 23,000 or so genes. It would be great if we could...target site, and a donor oligonucleotide or plasmid as the repair material if needed (for knock in models)...provided (in the form of an oligonucleotide or plasmid), precise changes can be made in the genome via...mice carrying the intended mutation. With a donor plasmid, the outcome is less predictable. In our best case...specifies the target, the Cas9 endonuclease that creates the DNA double-strand break (DSB) at the target...
  2. CRISPR 101: Targeting Non-Coding RNAs with CRISPR/Cas9

    Type
    Blog Post
    Published
    Nov. 14, 2024, 2:15 p.m.
    ...Non-coding RNAs (ncRNAs) are transcribed but do not encode proteins. They play important roles in many cellular...affect nearby genes (Figure 1A-C). Find CRISPR plasmids at Addgene! Knock-in: Introducing tags or stop...observe the effects. Luckily for us, CRISPR is an incredibly versatile system that can be tweaked to target...pairs long. Using a single guide RNA (sgRNA) to create a double-strand break works well because very small...ncRNA locus (Ho et al. 2012). For large-scale screening, sgRNA libraries are useful for targeting thousands...092902 Liu Y, Cao Z, Wang Y, et al. Genome-wide screening for functional long noncoding RNAs in human cells...
  3. CrispyCrunch: High-throughput Design and Analysis of CRISPR+HDR Experiments

    Type
    Blog Post
    Published
    Feb. 7, 2019, 2:16 p.m.
    ...sequence is altered but the protein sequence they encode is not. After each mutation, it will check the ...software Resources on Addgene.org Find CRISPR plasmids and resources Download the CRISPR eBook Read our...the sequence inserted by HDR may inadvertently re-create a match for the active guide. With these constraints.... To use this tool, simply follow these steps: Create a new experiment in the program Design gRNAs by...
  4. Deep Dive: Fixing and Permeabilizing for Immunofluorescence

    Type
    Blog Post
    Published
    Aug. 30, 2022, 1:15 p.m.
    ...Find recombinant antibodies at Addgene Find plasmids encoding recombinant antibodies at Addgene  ...epitopes previously hidden within the protein. Created with BioRender.   Permeabilization What is ...better at permeabilizing organellar membranes. Created with BioRender.   How do I choose?! Ok, so ...
  5. Which Fluorescent Protein Should I Use?

    Type
    Blog Post
    Published
    May 20, 2014, 2:06 p.m.
    ...The most commonly used are GECIs - genetically encoded calcium indicators (e.g. GCaMP). Others include... comprehensive data sheets on many FP variants Plasmids 101: Green Fluorescent Protein (GFP) Three Review... the time it takes the FP to correctly fold and create the chromophore. This can be from a few minutes...
  6. CRISPR 101: Multiplex Expression of gRNAs

    Type
    Blog Post
    Published
    Sept. 10, 2020, 11:45 a.m.
    ...assembled to produce a plasmid encoding the gRNAs and Cas9. As with the Gersbach lab plasmids, multiple Cas9 ...multiple gRNAs on the same plasmid, you’ll make sure that each cell that gets the plasmid contains all of the...rectangles) are cloned into various plasmids using oligonucleotides. These plasmids contain Type IIS restriction...different purposes.   Gersbach Lab multiplexing plasmids: This plasmid set allows you to express 2-4 gRNAs, with...Golden Gate/Gibson Assembly Multiplexing Plasmids: These plasmids allow you to assemble 2-4 gRNAs through...Golden Gate/Gibson Assembly Multiplexing Plasmids: These plasmids can be used to express up to 8 gRNAs after...Yang Lab Single Transcript Multiplexing Plasmids: These plasmids are similar to the Csy4 polycistronic ...
  7. Antibodies 101: Introduction to Antibodies

    Type
    Blog Post
    Published
    Jan. 19, 2021, 2:15 p.m.
    ...in cells that have been transfected with a plasmid encoding GFP. Actin, a common internal control for ... be used for. Addgene’s Antibody Plasmid Collection includes plasmids that express antibodies, nanobodies...immunoglobulin genes, recombinant antibodies are plasmid-based. Their sequences can be optimized for specificity...protein (Wang et al., 2013). These proteins are also plasmid-derived. However, a disadvantage to ScFv is their...nanobodies, or synbodies, can be produced from plasmids, saving time and money. Nanobodies and synbodies... as well as tools for developing and producing plasmid-based antibodies - and we’re always growing our...Resources on Addgene.org: Browse Addgene’s Antibody Plasmid Collection Find antibodies for neuroscience research...
  8. An “elegans” Approach to Better CRISPR/Cas9 Editing Efficiency

    Type
    Blog Post
    Published
    Dec. 17, 2020, 1:30 p.m.
    ... the expression of a Cre recombinase contained within the knock-in. Including Cre-mediated marker excision...These modular toolkits build single plasmid targeting vectors that encode the gRNA transcript and the repair...kilobases of additional sequence being introduced. Cre-mediated excision of the selective cassette minimizes...experimental manipulation. In some cases, injection of Cre is required, however the development of the self-... C. elegans, visit Addgene’s C. elegans CRISPR plasmids page. Future perspectives It is interesting to...variable amounts of experimental manipulation and screening.  A co-selection strategy for CRISPR editing in... with inefficient sgRNAs in my initial direct screening efforts, which were similar to the approach detailed...
  9. Tips for a 1st Time CRISPR User (by a 1st Time CRISPR User)

    Type
    Blog Post
    Published
    March 7, 2017, 3:30 p.m.
    ...BRDN0000561167) (Plasmid #80034) and BRAF gRNAs (BRDN0001145345 and BRDN0001146266) (Plasmid #76479 and #76480...was the most efficient for gene editing. A virus encoding GFP plus a gRNA targeting GFP (pXPR_011, 59702...viruses, but you can find a list of validated gRNA plasmids on our website. There are a few reasons to target...18007609. Addgene Materials Used 1. lentiCas9-Blast (Plasmid #52962) was a gift from Feng Zhang and is described... PubMed Central PMCID: PMC4486245.2. pXPR_011 (Plasmid #59702) was a gift from John Doench & David Root... MOIs. 2. Create a monoclonal Cas9-expression cell line. Especially if you’re doing a screen. I made a...who did not tell you that essential thing ask incredulously, “You seriously didn’t add 3 microliters of ...
  10. Antibodies 101: Introduction to Immunofluorescence

    Type
    Blog Post
    Published
    Nov. 16, 2021, 2:15 p.m.
    ... Blotting Resources on Addgene.org Find plasmids encoding recombinant antibodies at Addgene ...immunofluorescence and indirect immunofluorescence work. Image created with BioRender.com   Indirect IF is a much ...with key considerations about each step. Image created with BioRender.com   The first couple of steps...
  11. Special Delivery: Fluorophore Targeting for FRET Studies

    Type
    Blog Post
    Published
    July 19, 2016, 2:30 p.m.
    ...Resources on Addgene.org Find Plasmids for FRET Browse Empty Plasmids to Fluorescent Protein Fusions ...for genetically-encoded FRET donors (Fig. 1). Scores of FP variants have been created, thereby enabling...oocytes, mainly). Nevertheless, tRNA suppression plasmids are available from depositing labs that have mastered...the potential rewards could be substantial: Plasmid tRNA Synthetase Expression Host pMAH-POLY Polyspecific...Fig. 1) which can be carried out using Addgene plasmids. His-tag labeling reagents You may already have... drug discovery by big pharma (i.e. HTRF and LanthaScreen) (Degorce et al., 2009), measuring intracellular...are critical in setting up a FRET-based assay or screen (the Addgene blog has an excellent primer on FRET...
  12. 27 Hot Plasmids from 2016

    Type
    Blog Post
    Published
    Dec. 22, 2016, 3:03 p.m.
    ...Neurosci 2016. PubMed PMID: 26950006 Plasmid ID Plasmid Name Plasmid Type 74309 pcDNA3.0-TRPV4-p2A-ferritin-p2A-mCherry...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These brief articles...features and applications of a partiular plasmid or set of plasmids. We hope that these articles make it ... you to find and use the plasmids you need. You can find all the hot plasmids from 2016 below. With over...over 45,000 plasmids, we can't write posts for every great plasmid that comes into the repository, but...write about your plasmids in a future blog post. No time to read? Listen to our hot plasmids segment on the...stocks in a single plate with every plasmid or as individual plasmids shipped as agar stabs. Iverson, et...
  13. When Fidelity Matters: A frank discussion about ligase fidelity

    Type
    Blog Post
    Published
    March 6, 2018, 1:49 p.m.
    ...Blog Learn New Plasmid Cloning Techniques Pushing the Limits of DNA Assembly Plasmid Cloning by PCR ...including vector-insert joining for recombinant plasmid construction (restriction cloning), adaptor ligation...nucleotide sequence of a thermostable DNA ligase-encoding gene." Gene 109.1 (1991): 1-11. PubMed PMID: 1756968...reliably detect single-base differences. The original creators of this technique visualized the ligation product...quencher pairs or qPCR-based methods to greatly increase the sensitivity of detection (14-20). LDR has ... 27). This methodology has been used to rapidly screen buffer conditions for Taq DNA Ligase and their ...electrophoresis (CE) (see below). This method allowed screening of all possible base combinations (Watson-Crick...
  14. A History of Genome Engineering in Popular Culture

    Type
    Blog Post
    Published
    Feb. 25, 2020, 2:15 p.m.
    ... our CRISPR guide Find CRISPR plasmids for your research Browse plasmids for base editing References ...amino acids. Once scientists established that DNA encoded all the information necessary for regulating and...The premise of the novel involves Dr. Moreau who creates human-animal hybrids. This book is published 30...character revolts against class divide that is created by genetics.    Zinc finger nucleases Zinc finger... it can read many base pairs simultaneously to increase specificity. This modular approach made ZFNs highly...space travels. The movie sees the USS Enterprise crew fight against a genetically engineered superhuman...
  15. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

    Type
    Blog Post
    Published
    Nov. 3, 2015, 3:30 p.m.
    ...with the post-design process such as primer and plasmid design. Examples:  “multiplex design”, “multi-method...dump of ALL strings in a genome using any IUPAC encoded pattern at any edit distance. It won’t, however...is a significant hurdle made worse by an ever increasing marketplace. Since 2013 about 11 tools have been...the user is expected to interact with the tool (a screen shot and overview of the table can be found above...re engaged in heavy CRISPR design (I’m talking screens and/or very large genomes), then it is worthwhile...
  16. Viral Vectors 101: Systemic Capsids

    Type
    Blog Post
    Published
    Oct. 12, 2023, 1:15 p.m.
    ...Systemic capsids packaging Cre-dependent transgenes can also be paired with Cre-expressing transgenic mouse...about that collection. Table 1: Systemic capsid plasmids available from Addgene Capsid Published ...with appropriate cell type-specific promoters or Cre lines. Spatial transcriptomics suggests that AAV-...re interested in. Then request your capsid (or plasmids) and let the real work begin — validation, validation...Advances in AAV technology for delivering genetically encoded cargo to the nonhuman primate nervous system. Current...Huber, N., Pasca, S. P., & Gradinaru, V. (2016). Cre-dependent selection yields AAV variants for widespread...Deverman, B. E., & Gradinaru, V. (2020). Multiplexed Cre-dependent selection yields systemic AAVs for targeting...
Showing: 161 - 176 of 176 results