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  1. Searchable and Sortable gRNAs for Your Next CRISPR Experiment

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    Blog Post
    ...gRNA-containing plasmids (McDade et al, 2016). Many of the gRNAs contained within these plasmids have been ...scientists’ submissions, either their deposited gRNA plasmids or from submission of a spreadsheet containing... validated gRNAs that are not generated from a plasmid. If you, for example, prefer to deliver your CRISPR...columns are target gene, species, sequence, Addgene plasmid ID (if we have one associated with the gRNA), application...please consider submitting their sequences (and plasmids!) so that this shared resource can continue to... Tools Read Our CRISPR Guide Pages Find CRISPR Plasmids  ...
  2. Supporting Rare Disease Research with BeHeard 2017

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    Blog Post
    ... disease. This year, Addgene will be providing plasmid grants worth $2,000 each to two labs through the...the BeHEARD Award. Read on to learn how plasmids from Addgene will be used to accelerate rare disease ...in C. elegans, Dr. Di Schiavi will use Addgene plasmids to characterize smn1 interactions with other genes... their function, and C. elegans overexpression plasmids to upregulate their expression in specific cells...tumorigenesis. They plan to use CRISPR and lentiviral plasmids from Addgene to knockout, knockdown, or overexpress... Support Rare Disease Research: IFOPA Donating Plasmids to Researchers in Developing Countries with Seeding...Seeding Labs Resources on Addgene.org Find Plasmids for Disease Research ...
  3. Harnessing Bacterial Toxins for Allelic Exchange

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    Blog Post
    ...Improvement of pCVD442, a suicide plasmid for gene allele exchange in bacteria." Plasmid 51.3 (2004): 246-255. PubMed...exogenous enzymes, require multiple transformation and plasmid curing steps, and can generate off-target mutations...a mutated allele introduced from a conjugative plasmid replaces the chromosomal copy. This is a versatile... These two steps are (Figure 1): The initial plasmid integration step (the so-called “single crossover... an allelic exchange experiment? Find the pTOX plasmids here! Continued development of new allelic exchange...Additional resources on the Addgene blog Read our Plasmids 101 blog posts Find our CRISPR blog posts Learn...recombineering Resources on Addgene.org Find plasmids for allelic exchange Read our molecular biology...
  4. Five Popular Model Organisms

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    Blog Post
    ... 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... pancreas. They first tagged these cells using plasmids. Then using HOTcre, a method that uses heat induction... feeding the worm bacteria expressing specific plasmids (L4440) that contain your gene of interest (Fire...calcium signaling in the entire adult brain, using a plasmid that expresses a genetically encoded calcium sensor...al., 2015). If you are interested in C. elegans plasmids and resources check out Addgene’s Worm Expression...pages Read our molecular biology reference Find plasmids for your research ...
  5. Fluorescent Proteins 101: GFP Fusion Proteins - Making the Right Connection

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    Blog Post
    ...instance, Lifeact-mTurquoise2 (Plasmid #36201) or mScarlet-tubulin (Plasmid #85045). We often use restriction...assays are qualitative. The Organized Smooth Endoplasmic Reticulum (OSER) assay (Costantini et al., 2012...measures homodimerization of FPs targeted to the endoplasmid reticulum based on the appearance of OSER whorls...advisable to first express the fusion protein from a plasmid-based system to assess whether the chimera is still...18454154. PubMed Central PMCID: PMC2853173. Sheridan, Douglas L., et al. "A new way to rapidly create functional...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 ...
  6. Proximity Labeling: A Powerful Tool for Protein Complex Purification and Proteomic Mapping

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    Blog Post
    ... resources on the Addgene blog Plasmid 101 Protein Expression Plasmid 101 Biotinylation Other resources...insoluble proteins, which can be a challenge for classic antibody based affinity purification/mass spectrometry...vivo studies (Che and Khavari, 2017). Find APEX plasmids at Addgene! Since the development of BioID and... 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 ...
  7. Understanding GPCR Signaling Using TRUPATH

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    Blog Post
    ...are transfected with plasmids expressing the GPCR of interest, a Gα-Rluc8 plasmid, and the appropriate...effects.  Bryan Roth’s lab created a collection of plasmids called TRUPATH to interrogate 14 of the 16 non-visual...TRUPATH be used for? The Roth lab used the TRUPATH plasmids in a number of different experimental approaches...effectiveness of using TRUPATH as a screening technique. Lastly, the activity of both antagonists and inverse-agonists...drugs to further understand their mechanism. These plasmids are available as a collection, facilitating screening...Addgene.org Browse the catalog of fluorescent protein plasmids Find biosensors for your experiments ...
  8. Addgene at the ASM Microbe 2016 Conference

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    Blog Post
    ...steps into this field, we’ve curated microbiology plasmids from the repository onto one handy Microbiology... of researchers who weren’t aware of Addgene’s plasmid sharing services, as well as #happydepositors who...these new Rainbow Bacterial Fluorescence Labeling Plasmids from the Barbier lab). Bright and early on Saturday..., it looks like there are plenty more exciting plasmid tools on the horizon for microbiology research ... distribution service! Did you see a must-have plasmid during ASM? Let us know what’s missing in the collection... collection by filling out our Suggest a Plasmid Form. We look forward to helping microbiologists from...Microbiology Resource Page Deposit Your Microbiology Plasmids with Addgene ...
  9. Technique: Probe Phage Genomes for Host Binding Proteins

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    Blog Post
    ...pool and extract plasmid DNA directly from the colonies. Transform the resultant plasmid DNA into E. coli... of phages) constitute one of the most popular classes of phage proteins to study. These are highly useful...units, which can be purchased cheaply, are small plastic containers that can easily be attached with a hose...DNA bases.  Ligate and transform your resultant plasmid libraries into chemically competent E. coli and... you’re using a pET vector) and antibiotic for plasmid selection. Remove air bubbles between the membrane...they expressed well, the proteins encoded by the plasmids in the library will remain attached to the membrane...of Expression Vectors Deposit Your Microbiology Plasmids ...
  10. Viral Vectors 101: Inverted Terminal Repeats

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    Blog Post
    ... ITRs are the elements that make an AAV plasmid an AAV plasmid.  Within the AAV genome, ITRs serve as...gene of interest in a cell or animal model. AAV plasmids contain several important elements, but among ...molecule as the gene that they package. In a transfer plasmid, the transgene is flanked by two ITRs, and the ...genome of AAV in the native virus. In an AAV vector plasmid, they flank the gene of interest. A single ITR ...growth culture and result in a high percentage of plasmid DNA with mutated ITR sequences. Using recombinant-deficient...located immediately outside of the ITRs in the plasmid backbone and do not properly assemble, but these...
  11. Addgene’s Viral Service - Why Virus? Why Now?

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    Blog Post
    ...relevant plasmid depositors and their institutions to distribute viral preps derived from plasmids in the...largest new initiative since we started distributing plasmids in 2004. We’ve already distributed over 500 viral... virus. Addgene is a 501(c)3 nonprofit and our plasmid service was started based on donations. That seed...depositors. Over 3,000 laboratories are sharing plasmids (with 16 labs currently sharing viral preps) through...positive response to the option of Addgene providing plasmids in a ready-to-use viral format. Having identified.... With their expertise in shipping hundreds of plasmids a day, the Lab and Office Teams develop shipping...
  12. Expanding the Targeting Scope and Editing Efficiency of Adenine Base Editors

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    Blog Post
    ...following components: A plasmid in the host bacterium expressing dCas9 A plasmid in the host bacterium ... of gene III to create infectious particles. A plasmid-based genetic circuit in the bacteria links the...encoding the deaminase TadA-7.10 A mutagenesis plasmid controlling the phage mutation rate Phage infection...Phage-assisted evolution of base-editing activity. A plasmid-based genetic circuit in the bacteria links the...off-target RNA editing rate of ABE7.10. Find the ABE8e plasmids at Addgene! Why engineer and optimize base editors...editors for your research Read our CRISPR guide Find plasmids for your research ...
  13. Viral Vectors 101: Biosensors

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    Blog Post
    ...have pre-designed plasmids for these systems! Ion sensors One common biosensor class is designed to monitor... involve fluorescence, pH change, heat, etc. The last component of the biosensor is the signal transducer...example, calcium dynamics in the cytosol and sarcoplasmic reticulum are of interest to muscle biologists...factors Unlike the previously described sensors, this class measures either factors as proxies for a cellular...specific sensors designed for them. For example, this class includes tension monitors associated with specific... vehicle, we’ve got you covered with packaging plasmids! References and Resources References  Bhalla ...
  14. Adenoviral Vector Production and Troubleshooting

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    Blog Post
    ...down into 5 key steps: Construction of the rAdV plasmid (~1 week): The AdEasyTM system is the most popular...adenoviral vector constructs. It consists of 2 plasmids: a shuttle vector (in which the transgene of interest...how to generate the final recombinant adenoviral plasmid construct, please see Addgene’s Adenoviral Guide...2.*Pro-Tip*: once the correct recombinant pAdV plasmid is identified, re-transform into a bacterial strain...recombination for amplification. The final purified plasmid stock should be analyzed by endonuclease restriction...-S). HEK293 cells are transfected with the AdV plasmid construct from step #1 and allowed to stay in culture...transductions Resources on Addgene.org Find Adenovirus Plasmids Adenovirus Guide Page  ...
  15. Cpf1 Update: Comparison to Cas9 and NgAgo

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    Blog Post
    ... is well suited for genome editing.  Find Cpf1 Plasmids at Addgene   Image attribution: Zetsche... "Cpf1 is a single RNA-guided endonuclease of a class 2 CRISPR-Cas system." Cell (2015). PubMed PMID: ...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 .... Cpf1 Is a Single RNA-Guided Endonuclease of a Class 2 CRISPR-Cas System. Cell. 2015 Sep 23. pii: S0092....cell.2015.09.038. PubMed PMID: 26422227 Find plasmids from this publication at Addgene. 4. Makarova...Backofen R, Koonin EV. An updated evolutionary classification of CRISPR-Cas systems. 5. Nat Rev Microbiol...
  16. Antibodies 101: Introduction to Antibodies

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    Blog Post
    ... 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...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...Resources on Addgene.org: Browse Addgene’s Antibody Plasmid Collection Find antibodies for neuroscience research...
  17. Using AAV for Neuronal Tracing

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    Blog Post
    ... the mammalian brain (Wickersham et al., 2007; plasmids at Addgene). AAV vectors: A platform for delivering...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...AAV vectors is the Allen Mouse Brain Connectivity Atlas, a project to map neuronal connections in the mouse... be found on the Allen Mouse Brain Connectivity Atlas website. A similar approach was used by researchers...than any other AAV serotype (Tervo et al., 2016; plasmid at Addgene). Its efficiency is comparable to conventional..., Harris, J.A., Ng, L., Winslow, B., Cain, N., Mihalas, S., Wang, Q., Lau, C., Kuan, L., Henry, A.M., ...
  18. Fluorescent Proteins 101: Green Fluorescent Protein (GFP)

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    Blog Post
    ...taken up the plasmid. This can serve as an alternative to antibiotic selection. Plasmids of this type .... Scientists can easily utilize GFP-containing plasmids as a means to many functional ends. We’ve listed...each protein or domain being tested. Find FRET plasmids here. Split EGFP: An alternative to FRET, split... marking/selection: Expression constructs like plasmids often include GFP as a marker to help identify...techniques in fluorescent microscopy. Read More: All Plasmids 101 Articles Addgene's Fluorescent Protein Guide... plasmids 101...
  19. Countdown to Halloween @Addgene

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    Blog Post
    ...love of plasmids! Each chose their favorite plasmid and replicated it. Can you guess each plasmid? Our ...obviously make for good costumes), science and our plasmid collection (what science has been hot this year... ultimate prize – a glorious trophy. Sure it’s plastic and you have to share 1 trophy among 6 people, ...Office Team was back up to their creative hijinks last year. They showed us their dedication to great customer...
  20. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

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    Blog Post
    ... of the Plasmodium falciparum genome. To put this last point into perspective, the Plasmodium falciparum... over 90% in their work editing the genome of Plasmodium falciparum (the parasite that causes malaria)...with the post-design process such as primer and plasmid design. Examples:  “multiplex design”, “multi-method... same organism could be used as a proxy for this last approach. Top tool for first timers: You need to...also the only tool I have come across to offer classes of parameters based on the type of CRISPR experiment..."Genome editing in the human malaria parasite Plasmodium falciparum using the CRISPR-Cas9 system." Nature...
Showing: 341 - 360 of 1040 results