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  1. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    Published
    Sept. 14, 2016, 2:30 p.m.
    ...curated collections of plasmids as kits with greatly reduced costs per plasmid. We generally create kits...just the tool you need. The plasmids in this portion of the BIOFAB Plasmid Set contain terminators of ...populations. This kit consists of a 48 plasmid adapter library, with each plasmid carrying a unique barcoded Illumina-M13F...researcher at a nonprofit institution, you can order plasmids covering a wide range of fields from Addgene. ...kits to allow you to easily use a set of plasmids together on a tight budget. To help popularize our ...order from the repository: FX Cloning Kit BIOFAB Plasmid Set pCri System Cell Free Protein Expression Kit... production (a variety of pExpression vectors) plasmids. The type IIS restriction sites used in these ...
  2. Antibodies 101: Producing Recombinant Antibodies

    Type
    Blog Post
    Published
    Aug. 13, 2024, 1:15 p.m.
    ... great collection of ready-to-use rAbs and rAb plasmids!). Since recombinant antibodies conveniently allow...production, reliable expression, and easy distribution as DNA (Trimmer, 2020), you may be interested in using them...antibodies can be produced through a single or dual-plasmid transfection, depending on whether the heavy and...and light chain genes are contained to one plasmid or if they’ve been separated onto two. You’ll first...first transfect your cells with your plasmid(s), and then wait 7-14 days (in mammalian cells) to collect ...on the Addgene blog Introduction to Antibodies Plasmid-based Recombinant Antibodies Polyclonal Antibodies...
  3. Cpf1 Update: Comparison to Cas9 and NgAgo

    Type
    Blog Post
    Published
    July 14, 2016, 2:30 p.m.
    ...distant cousins of well-known Cas9. Cpf1 cleaves DNA in a staggered pattern and requires only one RNA ... is well suited for genome editing.  Find Cpf1 Plasmids at Addgene   Image attribution: Zetsche...Biotechnol. 2016 Jun 6. PubMed PMID: 27272384 Find plasmids from this publication at Addgene. 2. Kleinstiver...Biotechnology (2016). PubMed PMID: 27347757. Find plasmids from this publication at Addgene. 3. Zetsche ....cell.2015.09.038. PubMed PMID: 26422227 Find plasmids from this publication at Addgene. 4. Makarova...Our CRISPR Guide Pages Check Out MpAgo from the Doudna Lab Find Validated gRNAs ...
  4. CRISPR 101: Validating Your Genome Edit

    Type
    Blog Post
    Published
    Nov. 3, 2022, 12:15 p.m.
    ... uses a 3rd sequencing trace file from the donor DNA. This method can precisely estimate editing frequency...clones. The drawback is that you must generate a DNA molecule with homology to your genome edit to mimic...Tools Read other CRISPR blog posts Find CRISPR Plasmids at Addgene  ...
  5. Synthetic promoter AAVs for cell-type specific expression in retinal cells

    Type
    Blog Post
    Published
    March 12, 2020, 1:15 p.m.
    ...epigenetic analysis and designed using stretches of DNA that were transcriptionally active in retinal cell... GFP marker (CatCH-GFP). The lab deposited AAV plasmids containing the active promoters at Addgene. Performance...of the retina.  Find the AAV synthetic promoter plasmids! Comparing synthetic promoters performance in ...blog posts Resources at Addgene.org Find AAV plasmids Find ready-to-use AAV viral preps Browse all viral...
  6. Viral Vectors 101: Biosensors

    Type
    Blog Post
    Published
    July 6, 2023, 1 p.m.
    ...receptor could be something like an antibody, enzyme, DNA, etc. The receptors job is to generate a quantitative...genetically encoded, and luckily, we have pre-designed plasmids for these systems! Ion sensors One common biosensor... vehicle, we’ve got you covered with packaging plasmids! References and Resources References  Bhalla ...
  7. Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity

    Type
    Blog Post
    Published
    Nov. 5, 2019, 1:28 p.m.
    ...Visit our CRISPR plasmids and resources page Read our CRISPR guide Find CRISPR plasmids for mammalian systems...Cas9 variants with broad PAM compatibility and high DNA specificity." Nature 556.7699 (2018): 57. PubMed ...relative to Cas9. Since then, the Joung and Jennifer Doudna Labs used targeted mutagenesis to generate hyper...example is CasX, characterized by the Oakes and Doudna Labs, which is both small and potentially less ...
  8. Top Requested Lentivirus and AAV of 2016

    Type
    Blog Post
    Published
    Jan. 6, 2017, 3:56 p.m.
    ... Cas9 nuclease, which introduces double stranded DNA breaks, can be expressed from lentiCas9-Blast. Purpose...typically express Cas9 and a gRNA from the same plasmid. LentiCas9-blast virus can be used to generate ...with a single-vector system). Tips for using this plasmid Cas9 expression is typically cytotoxic, which makes...
  9. Pooled CRISPR Libraries Offer Genome-Wide Control for Large-Scale Functional Screens

    Type
    Blog Post
    Published
    Feb. 24, 2015, 7:50 p.m.
    ...Konermann, the first generation of CRISPR-Cas9 plasmids were not designed with gene activation in mind...tetraloop and stem-loop 2; 3. The MS2-P65-HSF1 plasmid which expresses the activation helper protein. ...structure of Cas9 in complex with guide RNA and target DNA. Nishimasu H, Ran FA, Hsu PD, Konermann S, Shehata...
  10. Proximity Labeling: A Powerful Tool for Protein Complex Purification and Proteomic Mapping

    Type
    Blog Post
    Published
    Dec. 2, 2019, 2 p.m.
    ... resources on the Addgene blog Plasmid 101 Protein Expression Plasmid 101 Biotinylation Other resources...vivo studies (Che and Khavari, 2017). Find APEX plasmids at Addgene! Since the development of BioID and... biotin ligase from A. aeolicus, which lacks the DNA-binding domain (233 amino acids) found in the E. ... specific locations in the cell.   Find BioID2 plasmids here APEX2: A more sensitive ascorbate peroxidase... They named this mutant APEX2.  Find the APEX2 plasmids! TurboID and minturbo: Rapid and non-toxic proximity...allowing for more precise temporal control.  Find plasmids for TurboID and miniturbo Split-BioID: A conditional...streptavidin and separated via flow cytometry.  Find plasmids for EXCELL here! Since BioID was developed in ...
  11. Plasmids 101: Repressible Promoters

    Type
    Blog Post
    Published
    Dec. 20, 2022, 2:15 p.m.
    ...Tet-Off system.  For more information on Addgene Tet plasmids, see our Tetracycline resource page. Cumate Switch...binding to the lexA operator (lexAop). Fusing the LexA DNA-binding domain (DBD) to GAL4 or VP16 activation domain...20697123. PubMed Central PMCID: PMC2942869. Find plasmids from this publication at Addgene. del Valle Rodriguez...20434990. PubMed Central PMCID: PMC2883883. Find plasmids from this publication at Addgene. Wei, Xing, ...22406855. PubMed Central PMCID: PMC3846601. Find plasmids from this publication at Addgene. Riabinina, ...25581800. PubMed Central PMCID: PMC4344399. Find plasmids from this publication at Addgene. Riabinina O...Hill, C. et al. A LexAop > UAS > QUAS trimeric plasmid to generate inducible and interconvertible Drosophila...
  12. CRISPR 101: Cas9 Nickase Design and Homology Directed Repair

    Type
    Blog Post
    Published
    March 15, 2018, 12:59 p.m.
    ...In this post, we’ll summarize how IDT (Integrated DNA Technologies) first demonstrated how CRISPR nickases...Check out CRISPR Topic Page Find CRISPR Nickase Plasmids Browse the CRISPR Guide ...insertions (long ssDNA; IDT Megamer® ssDNA Fragments) Test both bottom and top strand ssDNA donors (if possible...longer insertion (mCherry) using IDT Megamer long ssDNA with 100 nt homology arms. Schubert and Yan next...
  13. Split Fluorescent Proteins for Studying Protein-Protein Interactions

    Type
    Blog Post
    Published
    May 3, 2022, 1:15 p.m.
    ...popular split-FP plasmids from our catalog to help you find the right split-FP plasmid for your experiment...below, and click the Article link to find all the plasmids from the associated paper:   Color Base FP...Constant rate of p53 tetramerization in response to DNA damage controls the p53 response. Gaglia G, Lahav...and experimental design. We hope you find these plasmids useful. Good luck, and happy experimenting! References...
  14. Illuminating Choices: A Guide to Selecting Fluorescent Dyes and Ligands

    Type
    Blog Post
    Published
    March 21, 2024, 1:15 p.m.
    ... brightness and high degree of overlap. Dyes for DNA/RNA staining should have high affinity and specificity...specifically to the AT-rich regions of double-stranded DNA and exhibits a blue-fluorescent light when excited...cell and protein analysis products. You can find plasmids deposited by Promega here.    References and ...More resources from Addgene Fluorescent protein plasmids and resourcesA practical approach to choosing ...
  15. Fluorescent Proteins 101: When GFP lets you down

    Type
    Blog Post
    Published
    Aug. 23, 2018, 12:05 p.m.
    ...fusion proteins are made by connecting its DNA code to the cDNA encoding for another protein. Effectively...cells, but not other biomolecules of interest e.g. DNA, RNA, and lipids. Still, these molecules can be indirectly...protein fusions Browse the Fluorescent Proteins Plasmid Kits ...
  16. The Crispr Babies Saga Shows the Need for Action, Not More Delays

    Type
    Blog Post
    Published
    Dec. 20, 2018, 1:15 p.m.
    ...Novel techniques for the prevention of mitochondrial DNA disorders.” This document is about the popular technique...Addgene.org Read our CRISPR guide Find CRISPR plasmids by function Check out our genome engineering guide...scientific possibility, safety, and efficacy of the mtDNA transfer options being investigated; A UK regulatory...
  17. Another Pathway into Cells: iTOP

    Type
    Blog Post
    Published
    June 23, 2015, 8:37 p.m.
    ...transducing primary cells. What if, instead of supplying a DNA construct, they could simply induce cells to take...10.1016/j.cell.2015.03.028. PubMed. Find the Plasmids @Addgene: iTOP-tested proteins and reporters...
  18. Deep Dive: qPCR

    Type
    Blog Post
    Published
    Sept. 29, 2022, 1:15 p.m.
    ...single-stranded) DNA. As the temperature drops, single intensity should smoothly increase as the DNA amplicon ... are produced by the presence of double-stranded DNA, when temperatures are high, signal intensity should...dyes that are not dependent on amplification of the DNA; they are, however, affected by bubbles in wells,...LightCycler qPCR optimisation for low copy number target DNA. Journal of Immunological Methods 270 (2002) 119 ...is a smooth, single-step transition between ssDNA and dsDNA. This is not true for all amplicons; if your... probes (which you probably know as TaqMan) and dsDNA dyes (commercial name: Sybr). However, there are... Yes Yes Agarose gel or uMelt analysis dsDNA dye (Sybr)  High No No No Melt curve ...
  19. Common Injection Routes in Mice

    Type
    Blog Post
    Published
    Jan. 22, 2025, 9:42 p.m.
    ...Engineering Guide CRISPR Mammalian Expression plasmids Cre-Lox plasmids References Prathipati, P., Rodriguez-Aguayo...substances can be injected, including cells, drugs, DNA, viral vectors, and viruses. All researchers must...
  20. Generating Mouse Models Using CRISPR/Cas9

    Type
    Blog Post
    Published
    July 12, 2016, 2:30 p.m.
    ...creates the DNA double-strand break (DSB) at the target site, and a donor oligonucleotide or plasmid as the... Find CRISPR Plasmids for use in Mammals Check out Our CRISPR Guide Pages Find Plasmids for Mouse Targeting..., the gRNA, Cas9, and donor oligonucleotide or plasmid components are brought together and microinjected...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...
  21. Antibodies 101: Introduction to Antibodies

    Type
    Blog Post
    Published
    Jan. 19, 2021, 2:15 p.m.
    ... be used for. Addgene’s Antibody Plasmid Collection includes plasmids that express antibodies, nanobodies... target protein. However, small mutations in the DNA of the hybridoma can occur, known as genetic drift...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...expression in cells that have been transfected with a plasmid encoding GFP. Actin, a common internal control ... as well as tools for developing and producing plasmid-based antibodies - and we’re always growing our...
  22. Fluorescent Proteins 101: Aptamer Fluorophores

    Type
    Blog Post
    Published
    April 11, 2017, 2:30 p.m.
    ...Addgene.org Find the Spinach Plasmids at Addgene Find Broccoli Plasmids at Addgene View All Fluorescent...meaning “to fit”. SELEX could be used to classify DNA aptamers as well, and over the course of the next...
  23. Tips for Using FRET in Your Experiments

    Type
    Blog Post
    Published
    Nov. 5, 2014, 3:41 p.m.
    ... FRET-based biosensors, and interactions between DNA and proteins. FRET, in theory, is an easy technique...used pairs to measure FRET. The table below lists plasmids that can be used to create your choice of fluorescent... fusion protein with your gene of interest: Plasmid Color Expression Description pPROEX Aqua Cyan...
  24. New Tool for Lineage Tracing: The ClonTracer Library

    Type
    Blog Post
    Published
    Sept. 22, 2015, 2:30 p.m.
    ...vectors with roughly 73 million semi-random, 30 bp DNA barcodes that are integrated into target cells' genomes... ClonTracer Library at Addgene Find Lentiviral Plasmids at Addgene Check out Our Cancer Resources Page...
  25. Important Considerations When Using AAVs

    Type
    Blog Post
    Published
    June 13, 2017, 2:30 p.m.
    ...self-complementing structure (scAAV) (7). As single stranded DNA viruses, AAVs normally require second strand synthesis... promote efficient transduction independently of DNA synthesis." Gene therapy 8.16 (2001): 1248. PubMed...Ready-to-Use AAV Preps Browse All of Our Viral Plasmids and Resources ...
  26. Antibodies 101: ELISA (Enzyme-linked Immunosorbent Assay)

    Type
    Blog Post
    Published
    Aug. 24, 2021, 1:15 p.m.
    ... M., Urbaniak, S. et al. Review: immunoassays in DNA damage and instability detection. Cell. Mol. Life...Resources on Addgene.org Browse Addgene’s Antibodies plasmid collection ...
  27. Meet an Addgenie: Insights into Grad School, Career Paths, and More

    Type
    Blog Post
    Published
    June 25, 2020, 1:15 p.m.
    ...currently wrapping up my co-op with Addgene as a DNA Sequencing Analyst intern. As a member of the Quality...Quality Control team, I help make sure the plasmids that go out our doors are correct. Now that I am heading...
  28. Capturing a Moment with Marc Zimmer’s “The State of Science”

    Type
    Blog Post
    Published
    July 30, 2020, 1:15 p.m.
    ...essential-but-unlauded role in the identification of DNA’s double helix. Perhaps to the dismay of middle-aged...and cheap distribution of the newest CRISPR-Cas plasmids, has been a key driver of the technology.” As ...fields, and seeing names like Feng Zhang, Jennifer Doudna, Karl Deisseroth, and Ed Boyden crop up in this...
  29. Antibodies 101: Immunoprecipitation

    Type
    Blog Post
    Published
    Dec. 7, 2021, 2:15 p.m.
    ...use the chromatin IP (ChIP) technique to identify DNA binding proteins involved in histone modification...antibody posts  Resources on Addgene.org: Find plasmids encoding recombinant antibodies at Addgene ...
  30. Better Dyeing Through Chemistry & Small Molecule Fluorophores

    Type
    Blog Post
    Published
    Sept. 8, 2016, 2:30 p.m.
    ...expensive) synthetic fluorophores. Add a dash of DNA with an electrical jolt and cells become perfectly... Generate Fluorescent Protein Fusions Request Plasmids from the Michael Davidson Collection Find Fluorescent...
  31. Controlling for Off-target Effects with a New Genome-wide CRISPR Screen Design

    Type
    Blog Post
    Published
    Sept. 13, 2018, 1:55 p.m.
    ... non-targeting guides. Toxicity is likely due to DNA damage and its subsequent repair. Additionally, the...on Addgene.org Check out this guide to pooled plasmid libraries Find all of the CRISPR Pooled Libraries...fail to account for the effects of Cas9-induced dsDNA breaks. Are off-target cutting patterns in genome-wide...function, i.e. sites that lack open chromatin marks, DNase hypersensitivity, or are in an enhancer, transcription...control for the effects of guide expression and dsDNA breaks. Figure 2: Non-targeting vs. safe-targeting...for the inherent effects, or background noise, of dsDNA breaks caused by CRISPR. See supplemental figure...
  32. Live and Let Dye: Self-Labeling Protein Tags

    Type
    Blog Post
    Published
    April 16, 2024, 1:15 p.m.
    ...freezer, you’ll probably find lots of different plasmids containing the same protein of interest tagged...developed a self-labeling fusion tag based on the human DNA repair protein AGT that gets covalently linked to...Addgene’s collection, so you may be able to get a plasmid ready-to-use without any cloning at all! As mentioned...
  33. Using AAV for Neuronal Tracing

    Type
    Blog Post
    Published
    Aug. 9, 2018, 1:04 p.m.
    ... the mammalian brain (Wickersham et al., 2007; plasmids at Addgene). AAV vectors: A platform for delivering...neuronal cells. The AAV genome is a single-stranded DNA molecule and AAV vectors are replication deficient...involved in learning and memory (Kohara et al., 2014; plasmids at Addgene). The Gradinaru Lab at the California... throughout the brain based on its unique hue (plasmids at Addgene). A large-scale example of neuronal...than any other AAV serotype (Tervo et al., 2016; plasmid at Addgene). Its efficiency is comparable to conventional...Addgene.org Find ready-to-use AAV Preps Find AAV plasmids Browse all viral vectors ...
  34. Corralling and Cornering the Goldilocks Antibody

    Type
    Blog Post
    Published
    Aug. 9, 2022, 1:15 p.m.
    ...relatively new technology that takes advantage of DNA sequencing to turn mAb clones into expression constructs...Antibodies 101: ValidationSelecting the Right AntibodyPlasmid-based Recombinant Antibodies    ...
  35. Hot Plasmids - January 2023

    Type
    Blog Post
    Published
    Jan. 31, 2023, 2:15 p.m.
    ...of the new plasmids, antibodies, and viral preps in the repository through our hot plasmids articles. ... 2022.   Find CRISPR Csm plasmids here! Colognori D, Trinidad M, Doudna JA. Precise transcript targeting... missed something smokin'? You can pitch a Hot Plasmids section (antibodies and viral preps welcome!) ...inducible expression.   Find heat-inducible lentiviral plasmids here!   Wu Y, et. al. Control of the activity ...2: Addgene’s western blot for mEGFP-HRas (from Plasmid 18662). See the Applications section on the Anti-GFP... Campbell et al, Nature Methods   Find YFP plasmids here!   Campbell, B.C., et al. Chemically stable...novel RNA targeting system by: Susanna Stroik The Doudna lab’s recent work characterized a new tool for ...
Showing: 321 - 360 of 379 results