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Showing: 61 - 80 of 134 results
  1. Getting the Most from Your Lentiviral Transduction

    Type
    Blog Post
    ... a single harvest after transfecting with the transfer and packaging plasmids. A benefit of the multiple...the passage number of a culture the lower the transfection and transduction efficiencies. Cultures should...
  2. Hot Plasmids and Viral Preps - September 2021

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    Blog Post
    ...subset of the new plasmids and viral preps in the repository through our hot plasmids articles. These articles...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need... CRISPR plasmids are always being added to the repository. To find all of the CRISPR plasmids available... Xiao Wang Lab has recently deposited a set of plasmids that helps identify base edited cell populations...populations without end-point sequencing assays. These plasmids use “Cas9-mediated adenosine transient reporter...and enrichment use of XMAS-TREE. a) Cells are transfected with three different vectors and flow cytometry...available from Addgene, head over to our CRISPR Plasmids and Resources page. Here are some highlights from the...
  3. Fluorescent Proteins 101: Luciferase

    Type
    Blog Post
    ...cloned into a plasmid downstream of luciferase containing a stop codon, which is then transfected into the ...Read More: All Plasmids 101 Articles Browse plasmids that contain luciferase ...choose from) is now a common feature in reporter plasmids.  Learn How Luciferase Can Be Used In Concert ...hirtus) 630 64 Luciferin ATP No Common uses for plasmids expressing luciferase Luciferase reporter assay...assay The typical luciferase-containing plasmid is most often used to investigate the effect of regulatory... cloned upstream of the luciferase gene in the plasmid, which is then introduced into the desired mammalian.... Multiple response elements are cloned into a plasmid upstream of a minimal promoter linked to luciferase...
  4. Antibody Production

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    Collection
    ... low levels of co-purified plasmid from transfection. This residual plasmid is extracted and amplified...vectors, human embryonic kidney cells are transfected with the plasmid(s) encoding the heavy and light chains...compared to an untransfected control and the protein size is confirmed. Residual Plasmid Sanger Sequencing...the Sanger method, and aligned with the parental plasmid sequence to confirm the antibody’s identity. For... The fluorescence pattern is compared to an untransfected control. Immunohistochemistry (IHC) Tissue sections...
  5. Building and Validating Recombinant Antibodies: A Case Study

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    Blog Post
    ...important collection.  Creating the Plasmids To begin constructing the plasmids for expression of mAbs, the Trimmer... This method was chosen because cells transfected with a plasmid to express the target antigen could be...expression plasmids were DNA sequenced to determine the VH and VL sequence. These plasmids have been deposited...scientific community with the plasmid sequences available from each plasmid webpage. Importantly, the methods...Resources on the Addgene blog:  Plasmid-Based Recombinant Antibodies  Plasmids 101: Secondary Nanobody Toolbox...NABOR are recombinant antibodies expressed from plasmids that have been deposited with Addgene. Here, we... first antibodies distributed by Addgene.  The plasmids used to generate these antibodies were based off...
  6. Some Like it Hot: Thermostable GeoCas9

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    Blog Post
    ...Harrington et al tested GeoCas9’s editing skills by transfecting HEK293 cells with GeoCas9 or SpCas9 RNP’s and...you want to give GeoCas9 a try, as always, the plasmids are available from Addgene. Happy CRISPRing! ...Background with Addgene’s CRISPR Guide Page Find CRISPR plasmids at Addgene ...
  7. Kiran Musunuru on the Newest TALEN Genome-Editing System

    Type
    Blog Post
    ...to sort the cells after the plasmids have been introduced by transfection or electroporation. All you ...effector nuclease (TALEN) kit consisting of 834 plasmids. The researchers showed they could use their TALEN...particular DNA sequence? Musunuru: The kit includes 832 plasmids containing prefabricated pieces that allow you...the genome in rapid fashion. The two remaining plasmids in the kit have the rest of the protein in place...protein that binds those 15 base pairs is take four plasmids out of the library in the appropriate combination... ligation with the four inserts and the master plasmid in one step. The kit also has other unique aspects...you are designing a TALEN on paper to a finished plasmid. With our protocol, it is feasible to produce genetically...
  8. Plasmids 101: Optimizing Plasmid Yields

    Type
    Blog Post
    ...more cells = more plasmid. Plasmids can vary in copy number, the number of plasmid copies supported within...cloning, transfection, or long-term storage. But what about those pesky situations where your plasmid yield...sub-optimal plasmid yields from your prep, try our tips below! How to optimize your plasmid prep We'll ...genotype, as these mutations improve plasmid stability and yield. If a plasmid is prone to recombination Use ... a strain optimized for plasmids with repeat elements, such as viral plasmids with inverted terminal repeats...co-purify with your plasmid DNA and lead to degradation of your prep. Many plasmid prep kits recommend...levels of protein, not plasmid DNA. If you need large amounts of DNA from a plasmid in a protein expression...
  9. 15 Years of Addgene: The Top 15 Plasmids

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    Blog Post
    ...and an envelope expressing plasmid, such as our second most requested plasmid of all time, pMD2.G. Find...wide range of applications. This plasmid was the top requested plasmid of 2017. Find pMD2.G. pSpCas9(BB... top requested plasmid from 2016. You may notice the “V2.0” at the end of this plasmid which indicates...prior version of this plasmid. Indeed the first version is the 15th most popular plasmid of all time, but ...envelope expressing plasmid pMD2.G. Find pMDLg/pRPE. scramble shRNA - This plasmid from David Sabatini....1 protocol. Pro-tip: this plasmid grows more slowly than standard plasmids. Find pLKO.1 - TRC cloning...15 years of plasmid sharing has certainly taken us on many adventures...From moving office locations ...
  10. Hot Plasmids - March 2019 - Anti-CRISPR, 2in1 Cloning, Fluorescent Voltage Indicators, and Photoswitchable Proteins

    Type
    Blog Post
    ...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles ...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need... recent plasmid deposit please sign up here.          Listen to this episode of Hot Plasmids! Optogenetic...Grefen and Blatt, 2012). The 2in1 Plasmid Toolkit consists of 4 plasmid toolkits generated with 4 different...deposited the resulting optogenetic plasmid tools which includes plasmids encoding a fusion between cPYP and...targeting and editing experiments. Find the CASANOVA plasmids here! Bubeck F et al., Nature Methods 2018. PubMed...as mice, C.elegans, and Zebrafish. Find Archon1 plasmids at Addgene! Piatkevich KD et al, Nat Chem Biol...
  11. Plasmids 101: The Wide World of Natural Plasmids

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    Blog Post
    ...toolbox. Natural plasmids, also called environmental plasmids, are all around us! A plasmid is a small piece...colicin-producing plasmids have been referred to as “Col plasmids” or “Col factors.” Virulence plasmids: microbial...Old Solution but a New Problem Plasmids 101: What is a Plasmid? Plasmids 101: Transformation, Transduction...F. (2023). Plasmid classifications. Plasmid, 126, 102684. https://doi.org/10.1016/j.plasmid.2023.102684...., 2001) Beneficial traits of natural plasmids Natural plasmids often convey a variety of functions that...functions of natural plasmids. Created with BioRender.com. Resistance (R) plasmids: microbial defense...example of a plasmid benefiting its host. For example, cells with a penicillin resistance plasmid can grow...
  12. Hot Plasmids - June 2019 - Optogenetics, Acoustic Reporter Genes, microRNAs, and the CRISPR-Cas9 system CHIME

    Type
    Blog Post
    ...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles ...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need... recent plasmid deposit please sign up here.      Listen to this episode of the Hot Plasmids podcast ... (ARG) plasmids to better monitor gene expression in vivo using ultrasound. These ARG plasmids contain...responses in C. elegans. Find the split BoTN/B plasmids at Addgene. Liu Q et al., Neuron. 2019. PubMed...potentially problematic for imaging. Find the ARG plasmids at Addgene. For more details on acoustic reporters...s collection consists of a library of reporter plasmids, each containing two fluorescent proteins and ...
  13. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

    Type
    Blog Post
    ...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles ...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need...1: The base editor is split into two plasmids and co-transfected into cells for reconstitution. Image ...need. If you'd ever like to write about a recent plasmid deposit please sign up here.        AAV delivery...overcome this overlap, Yiyang Gong’s lab created two plasmids containing a red-shifted Ace-mScarlet, a fusion...channelrhodopsins. Find the Ace-mScarlet voltage indicator plasmids at Addgene! Beck et al., Sci Report 2019. PubMed...fragments. This system has been used to construct plasmids for use in model organisms such as E. coli and...
  14. Transfection for Recombinant Antibodies

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    Protocol
    ... Antibodies Transfection for Recombinant Antibodies You may also like... Antibody Plasmid Collection Antibodies...General Transfection Protocol Recombinant Antibody Purification Protocol Introduction Transfections allow...describes how to transfect suspension HEK293 cells with recombinant antibody plasmids using Polyethylenimine...Polyethylenimine Max as a transfection reagent. After transfection and expression, the recombinant antibody can...mL with >95% viability to proceed with transfection. Transfect the flask containing 108 mL cells: Transfer...feeding schedule: Thursday: Transfect cells. Friday (24 h post-transfection): Add 4% BCD Feed. Monday (...post-transfection): Add valproic acid to 3.75 mM, add 4% BCD Feed. Tuesday (120 h post-transfection): Add...
  15. Optimizing Donor DNA for Enhanced CRISPR Genome Editing

    Type
    Blog Post
    ...validated editing reagents can be found on our plasmid pages. We encourage any labs performing genome ... that are an order of magnitude greater than transfection approaches. Moreover, the cost of reagents is...CRISPR Background with Our CRISPR Guide Find CRISPR Plasmids for Your Research Check out Our List of gRNA Design...
  16. 27 Hot Plasmids from 2016

    Type
    Blog Post
    ...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...gRNA expressing cells were then transfected with a Cas9-expressing plasmid to generate a population of mutant...
  17. Working with Nuclear Receptors

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    Blog Post
    ...problem of sharing plasmids, providing researchers with a one-stop shop for plasmids and vectors, and making...development of a vast number expression and reporter plasmids and the free exchange of these vectors between...laboratories. The development of the transient transfection platform for assaying transcriptional activity...increased the burden associated with identifying plasmids in the research literature and acquiring them ... feature direct links to listings of available plasmids for our curated NRs and coregulators. We look ...2005, tr22. Keep on reading! Check out Addgene's Plasmids 101 blog series. ...
  18. Lentivirus Production

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    Protocol
    ... each transfer plasmid. Pro-Tip Endotoxins can inhibit transfection; therefore, plasmid DNA purification...lentiviral vector transfected into 293T cells using a polyethylenimine (PEI) transfection protocol. This ...packaging cells Day 1 (pm): Transfect packaging cells Day 2 (am): 18 h post-transfection. Remove media, replace...2 for ~20 h. Prepare a mixture of the 3 transfection plasmids into OptiPro SFM: Reagent Amount per 10 ... 0.72 pmol Transfer Plasmid* 1.64 pmol OptiPro SFM to total volume 500 μL *Plasmid concentrations and ...endotoxin removal step. For high quality plasmid DNA, the plasmids should also be propagated in an endonuclease... cm dish). Using transfer plasmid pHAGE TRE dCas9-KRAB (total μg of plasmid DNA 27.8 μg), this would be...
  19. Plasmids for monoclonal antibodies to zebrafish proteins

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    Collection
    ... Plasmid Collections EXPRESs Plasmids Zebrafish Monoclonal Antibodies Zebrafish...also like... Gavin Wright Lab plasmids This is a collection of plasmids that encode monoclonal antibodies...BMC Biol. 2010 Jun 4;8:76. PubMed 20525357 Plasmid ID Plasmid Name Zebrafish Gene 28214 SI1-Unc5b Unc5b...This is a collection of plasmids that encode monoclonal antibodies to zebrafish cell surface receptors...cell surface receptors and secreted proteins. The plasmids encode both the light and heavy chains of mouse... proteins and the antibodies are produced by transfecting mammalian cell lines and collecting the secreted...
  20. Mammalian RNAi Tools

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    Collection
    ...) via transfection, or shRNA (short hairpin RNA) via transfection or viral delivery of a plasmid. Below...Plasmids for mammalian RNA interference (RNAi) experiments at Addgene; browse by constitutive lentiviral... Plasmid Collections Mammalian RNAi Mammalian shRNA Tools... libraries Lentiviral packaging and expression plasmids Background RNA interference (RNAi) is an RNA-mediated...selection of empty vectors for cloning in shRNAs. Plasmids for constitutive expression as well as those that...inducible (Tet) expression are available. To find plasmids containing RNAi components, like Argonaute, please...Lentiviral vectors for constitutive shRNA expression ID Plasmid Description PI 10878 pLKO.1 ‐ TRC cloning vector...
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