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We narrowed to 183 results for: GFP expression plasmids

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  1. Fluorescent Proteins 101: Green Fluorescent Protein (GFP)

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    Blog Post
    ...Bioluminescence and fluorescence from proteins such as Green Fluorescent Protein (GFP) has likely existed...Cell marking/selection: Expression constructs like plasmids often include GFP as a marker to help identify...scientists to begin to study GFP and deduce its biochemical properties. Now GFP and its fluorescent derivatives...employ GFP for a wide number of functions, including: tagging genes for elucidating their expression or localization...biology. Scientists can easily utilize GFP-containing plasmids as a means to many functional ends. We’...taken up the plasmid. This can serve as an alternative to antibiotic selection. Plasmids of this type ...signal. Thus, FACS can be used to separate cells expressing GFP from cells that are not. Developmental/transgenic...
  2. Lentivirus Production

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    Protocol
    ...DNAs: Lentiviral Packaging plasmid(s), Envelope plasmid, and Transfer plasmid encoding your insert of interest...transfection plasmids into OptiPro SFM: Reagent Amount per 10 cm dish* Packaging Plasmid ( psPAX2 ) 1.3...1.3 pmol Envelope Plasmid ( pMD2.G ) 0.72 pmol Transfer Plasmid* 1.64 pmol OptiPro SFM to total volume...volume 500 μL *Plasmid concentrations and ratios should be optimized for each transfer plasmid. Pro-Tip Endotoxins...therefore, plasmid DNA purification should include an endotoxin removal step. For high quality plasmid DNA, ... cm dish). Using transfer plasmid pHAGE TRE dCas9-KRAB (total μg of plasmid DNA 27.8 μg), this would be..., the plasmids should also be propagated in an endonuclease negative E. coli strain such as NEB stable...
  3. Seeing Red: Simple GFP Photoconversion

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    Blog Post
    ...limitations of GFP photoconversion One concern with photoconverting GFP is the expression level necessary...Since the first research applications of GFP were published in the 1990s, biologists have spent a lot...exciting GFP-labeled plant cells at 405 nm instead of 488 nm, Sattarzadeh et al. noticed that GFP had turned...process worked well with the common GFP variants EGFP, mGFP4-T, and S65T GFP, and no red color was observed...cytosol-targeted GFP. White circles represent the irradiated area. Photoconverted GFP spreads through ...intensity increases with GFP concentration and saturates around 30 uM. For low-abundance GFP fusions, a photoconversion...repurpose GFP is great news for microscopy enthusiasts! Addgene has empty backbones containing GFP variants...
  4. Teaching an Old DOG New Tricks: Controlling Protein Activity with GFP

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    Blog Post
    ...GBPs/GFP. The new system, CRE-DOG (Cre Dependent On GFP), is activated by GFP and derivatives GFP and ...reporter expression was induced in ~76% of GFP+ cells, and 100% of DsRed+ cells also expressed GFP. Using...mouse lines expressing GFP in specific cell types to do more than just label cells. If GFP could be co-opted...to bind GFP. The idea of using GFP as a scaffold suddenly seemed very realistic. Envisioning GFP as a substrate...electroporated T-DDOGs, GFP, and a reporter construct into the mouse retina. GFP expression robustly activated...whose expression was absent without electroporated GFP. They then tested T-DDOGs with two mouse GFP reporter...presence of GFP. These systems, known as T-DDOG and Cre-DOG, respectively, repurpose popular GFP reporter...
  5. Fluorescent Proteins 101: GFP Fusion Proteins - Making the Right Connection

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    Blog Post
    ...native expression levels. However, it is advisable to first express the fusion protein from a plasmid-based...the limitations is the size of GFP: ~240 amino acids or about 28 kDa. GFP and its homologues have a beta-barrel...instance, Lifeact-mTurquoise2 (Plasmid #36201) or mScarlet-tubulin (Plasmid #85045). We often use restriction...and shape matters The green fluorescent protein (GFP) from Aequorea victoria and its variants are genetically...interference is known as steric hindrance. For instance, GFP may occlude catalytic sites or obstruct binding sites...post-translational modifications. Despite these potential issues, GFP has been used successfully in countless fusion proteins... an inert light emitting module, any tendency of GFP to homodimerize should be avoided because it will...
  6. Fluorescent Proteins 101: When GFP lets you down

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    Blog Post
    ...discussed below. There are numerous GFP variants. Here I use the name ‘GFP’, which refers to mEGFP. This variant..., S65T) in the original jellyfish GFP (AvGFP) to create enhanced GFP (EGFP), a variant with improved brightness...examined on a case-by-case basis. GFP is sensitive to acid The chromophore of GFP can exist in a protonated and...its acid tolerance is maintained in cells.   GFP is big GFP is a 28 kDa protein that resembles a cylinder...2013; Hilaire et al., 2017). GFP can only be used for tagging proteins GFP fusion proteins are made by ... a fusion with GFP allows for detection of genomic locations (Chen et al., 2013). GFP fluorescence overlaps... al., 2018). GFP is not tolerated in my fusion It is standard practice to attach the GFP to the N- or ...
  7. FlipGFP, a novel fluorescence protease reporter to study apoptosis

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    Blog Post
    ...self-assembling split GFP (GFP1-9 and GFP10-11) by flipping a single β-strand of GFP, hence the name FlipGFP...ZipGFP, which utilized the self-assembling split GFP (GFP1-10 and GFP11) to increase fluorescence 10-fold...reporters (Zhang et al., 2019). How does FlipGFP work? GFP contains 11 β-strands and one central ɑ-helix that...embryos, and Drosophila. They treated HeLa cells expressing FlipGFP with staurosporine, which induces apoptosis...dynamics of apoptosis during embryo development. GFP fluorescence increased over time and showed a clear...these diseases and disorders. You can find the plasmids for FlipGFP and FlipCherry at Addgene. References...protein-protein interaction sensor based on tripartite split-GFP association." Scientific reports 3 (2013): 2854. ...
  8. Synthetic promoter AAVs for cell-type specific expression in retinal cells

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    Blog Post
    ...CatCH-GFP reporter. Expression of GFP will only result in cells where Cre-mCherry is also expressed. If ... fused to a fluorescent GFP marker (CatCH-GFP). The lab deposited AAV plasmids containing the active promoters...to test for cell type-specific expression of GFP. Half (113) expressed in retinal cells four weeks post-injection...Cre-mCherry expresses in photoreceptors and horizontal cells, and Cre-dependent-GFP expresses in horizontal...More than 90% of expression occurred in one type of cell More than 50% of expression occurred in one type...of targeted expression. Surprisingly, <1% of synthetic promoters replicated the expression specificity...restrict expression to a single cell type based on the overlap in cell types both promoters expressed in. ...
  9. CRISPR 101: Mammalian Expression Systems and Delivery Methods

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    Blog Post
    ...donor plasmid or single-stranded DNA oligonucleotide, so you will need to make sure your expression system...included with each expression system as well as suitable applications. Expression System Components ...System Application Mammalian expression vector Promoter driving Cas9 expression can be constitutive or inducible...or electroporation. Transient expression of CRISPR components, expression decreases as RNA is degraded ...using cationic lipids. Transient expression of CRISPR components, expression decreases as gRNA and Cas9 protein... provide an overview of some CRISPR mammalian expression systems, the typical applications for each, and...gene? Do you want to activate or repress gene expression? Are you trying to create a single point mutation...
  10. CRISPR 101: Multiplex Expression of gRNAs

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    Blog Post
    ...  Gersbach Lab multiplexing plasmids: This plasmid set allows you to express 2-4 gRNAs, with four being...containing plasmids. Each destination vector contains GFP, enabling you to select cells with high GFP expression...Gibson Assembly Multiplexing Plasmids: These plasmids can be used to express up to 8 gRNAs after Golden ...Golden Gate Assembly Multiplex Plasmids: These plasmids allow expression of 2-5 gRNAs in zebrafish. Custom...Why use multiplexed gRNAs? By expressing multiple gRNAs on the same plasmid, you’ll make sure that each ...receive is: can I express more than one gRNA from a single promoter using a plasmid like pX330? Unfortunately... you’re working in Drosophila, a two-gRNA expressing plasmid is available from the Bullock lab, and gRNAs...
  11. Stabilized Bacterial Promoters: Constant Gene Expression at any Copy Number

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    Blog Post
    ...upstream of GFP increased expression of GFP six-fold, but a stabilized promoter increased expression only two...this case, plasmid copy number is the input and gene expression is the output. The input, plasmid copy number...required to decouple gene expression and plasmid number. In a suite of plasmids modified from pSC101 with... gene expression also remained stable regardless of plasmid copy number. Stable gene expression whether... genes were expressed. What’s the use of stable gene expression? Constant gene expression can enable more...Researchers express genes of interest from plasmids in order to study gene function or to engineer cells...a look at how plasmids recently deposited by Chris Voigt’s lab help keep gene expression stable regardless...
  12. New Acoustic Reporter Genes: Ultrasound Imaging of Gene Expression

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    Blog Post
    ...constitutively-expressed mARG plasmids driven by CMV promoters. Labs that are new to the mARG expression are advised... that, when expressed, enable cells to be visualized under ultrasound imaging. Expression of ARGs results...in bacteria, expressed poorly at body temperature (37oC) and were too burdensome to express in situ. As...that the plasmid could be maintained in the absence of antibiotics, resulting in the plasmid pBAD-bARGSer-AxeTxe...Fig. 1c).     Fig. 1: Expressing bARGSer in E. coli. (a) Plasmid diagram of pBAD-bARGSer-AxeTxe... gene expression in deep tissue. However, not unlike the first-generation bARGs, poor expression and acoustic...Increasing expression and decreasing genetic footprint We took a cue from the native expression patterns...
  13. A New Optogenetic Tool Based on AraC Controls Gene Expression with Blue Light

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    Blog Post
    .... pBLADEONLY: This plasmid contains only BLADE and is based on the pTRC99a plasmid. It does not include...promoter. If you already have a pBAD33-based plasmid expressing your gene of interest, all you have to do...used a strain transformed with pBLADE expressing superfolder GFP instead of mCherry under the PBAD promoter...-inducible AraC dimers in E. coli) that turns expression on and off with blue light.   Inspired by @UriAlonWeizmann...AraC and other promoter systems, head over to our Plasmids 101: Inducible Promoters article.) Modifying AraC...wild-type AraC, it still reached the level of expression needed for most applications.   Figure...reporter downstream of the PBAD promoter. To use this plasmid with your gene of interest, you would replace mCherry...
  14. Plasmids 101: Control Plasmids

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    Blog Post
    ...Knockdown the expression of Gene X using shRNA expressed from a plasmid   Figure 1: Expression Level of Gene... used for plasmid-based experiments. What are control plasmids? Generally, control plasmids help to ensure...as the expression level of Gene X in cells treated with Plasmid A is similar to the expression level of...control may be a plasmid that constitutively expresses a reporter protein (e.g., GFP or luciferase) that...follow an example of a plasmid-based experiment, delineate its requisite control plasmids, and discuss why ...proper control plasmids would address and answer these questions. Types of control plasmids Part of planning...Figure 1 could look like this: Figure 2: Expression of Plasmid B (as internal control) This result indicates...
  15. Multiplexed Overexpression of Regulatory Factors (MORF) collection

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    Blog Post
    ...without mCherry and GFP fluorescent controls. Alternatively, you can order individual plasmids from the library...Addgene.org Plasmid Pooled Libraries Pooled library amplification Zhang Lab CRISPR Plasmids The Human TFome...factors (TFs) act as the gate keepers for gene expression, turning transcription on and off by binding ...binding proximal to their target genes. Since gene expression patterns determine everything from stem cell differentiation...(aka the MORF Collection) and an accompanying expression atlas, including over 3,500 human TF isoforms...TF library, with each cell receiving only 1 TF expression construct. Cells were cultured following a differentiation...from Joung et al.)    This atlas linked TF expression to differentiation outcomes as well as global...
  16. Hot Plasmids - January 2023

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    Blog Post
    ...released Anti-GFP [N86/8R] as another option for targeting GFP. But why might you need a second GFP antibody...of the new plasmids, antibodies, and viral preps in the repository through our hot plasmids articles. ...region-specific, inducible expression.   Find heat-inducible lentiviral plasmids here!   Wu Y, et. al. Control...PMCID: PMC9015817.   Meet anti-GFP [N86/8R]! by: Ashley Waldron Anti-GFP [N86/38.1R] was among the first...for mEGFP-HRas (from Plasmid 18662). See the Applications section on the Anti-GFP [N86/8R] page for more... missed something smokin'? You can pitch a Hot Plasmids section (antibodies and viral preps welcome!) ...system Heat-inducible lentiviral Car constructs Anti-GFP [N86/8R] ready-to-use antibody Hyperfolder YFP ...
  17. Plasmids 101: Knockout/Knock-In Plasmids

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    Blog Post
    ...recombinase. If GFP is under control of an endogenous promoter, you can use expression GFP to track cells...knockout a given gene and insert GFP into the genome, we’d create a plasmid similar to the one shown below...is disrupted (knocked out) but the inserted GFP is expressed (knocked in). As seen in the above example...to tag an endogenous protein with GFP, as seen in blue flame plasmid OCT4-eGFP-PGK-Puro from the Jaenisch...designed to insert GFP into a given locus.   Conditional knockouts The methods and plasmids described in...on Addgene.org Find Mammalian Expression Vectors Find Cre-Lox Plasmids Learn More about CRISPR  ...DNA designed in the lab. Specially constructed plasmids can be used to replace genes in yeast, mice, or...
  18. Tetracycline Inducible Expression

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    Collection
    ...Lentiviral Tet-On plasmid for inducible expression of shRNA with puromycin selection. See Plasmid #21916 for ...dox-regulated plasmids . ID Plasmid Description PI 63800 PB-TRE-dCas9-VPR Tet-inducible expression of SP-dCas9...Promoters Mammalian shRNA Plasmids Cre-lox Plasmids Stem Cell Research Plasmids References Das, A. T., Tenenbaum...gene expression and find plasmids for your experiments using tet- or dox-inducible systems. Plasmid...Tetracycline (Tet) Inducible Expression Tetracycline (Tet) Inducible Expression Tetracycline Off Tetracycline...ahead to view highlighted Tet plasmids . Figure 1: Tet-regulated expression systems. Left: natural TetR ...factors to further minimize background expression. Improved expression of the transactivator proteins in mammalian...
  19. Bacterial Expression Systems

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    Collection
    ...selection of plasmids and tags for protein purification. The pTD Plasmid Series contains plasmids suitable...and expression species. The New England Biolabs Cell-Imaging Plasmid Collection contains plasmids for ...turn on expression only at a specific time. This collection contains plasmids whose expression levels ...Find bacterial expression plasmids that can be used for protein purification, protein visualization, ...controlled gene expression, reporter plasmids and genome engineering of bacteria. Plasmid...Bacterial Expression Systems Bacterial Expression Systems Protein Purification Protein Visualization Protein... Protein Interactions Controlled Expression Reporter Plasmids Genome Engineering You may also like… Genetic...
  20. 15 Years of Addgene: The Top 15 Plasmids

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    Blog Post
    ...vectors and an envelope expressing plasmid, such as our second most requested plasmid of all time, pMD2.G....applications. This plasmid was the top requested plasmid of 2017. Find pMD2.G. pSpCas9(BB)-2A-GFP (PX458) - This... the envelope expressing plasmid pMD2.G. Find pMDLg/pRPE. scramble shRNA - This plasmid from David Sabatini...BB)-2A-GFP (PX461) expresses both a Cas9 protein and a gRNA. But instead of Cas9, this plasmid expresses...generation lentiviral packaging plasmid from the Didier Trono lab that expresses the HIV gag, pol, rev, and...Didier Trono lab is pMD2.G, a VSV-G envelope expressing plasmid. Envelope proteins determine which types ... This plasmid from the Zhang lab expresses Cas9 from Streptococcus pyogenes with an invariant sgRNA scaffold...
  21. Worm Expression Resources

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    Collection
    ... Plasmid Collections Worm Plasmids Worm Plasmids and Resources Plasmid Tools Worm Constructs...some of the plasmids and tools available at Addgene for use in worms. Browse Plasmids Plasmid Tools for ... Gene/Insert PI Plasmids Expressing Worm Genes/Inserts The table below lists plasmids that contain a worm...backbones, fluorescent proteins, and Cre expression plasmids. Large collections or kits are described ...complete list of plasmids that can be used in worms, search Addgene's entire collection. ID Plasmid Description...sequence: ID Plasmid Gene/Insert PI Don’t see your gene listed? Know of some great plasmid tools for the... tools , or by suggesting plasmids for the collection. Return to top Plasmid Kits and Collections Kits...
  22. Hot Plasmids and Viral Preps - March 2021

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    Blog Post
    ..., “sender” cells express GFP on the surface and “receiver” cells express an anti-GFP nanobody on the cell...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...pairs. Because the anti-GFP nanobody cross-reacts with BFP, sender cells expressing surface BFP generated...response 1 (TIR1) expressed under a desired promoter with a specific spatiotemporal expression pattern and ...highlights from recent CRISPR plasmids. To find all of the CRISPR plasmids available from Addgene, head...head over to our CRISPR Plasmids and Resources page.  Plasmids for delivering CRISPRi components by a single...
  23. Hot Plasmids - May 2022

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    Blog Post
    ...can then be co-expressed in essentially any transgenic zebrafish line expressing a GFP-tagged version ...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... proximity to the GFP-tagged protein (albeit slightly offset due to the nanobody-GFP interaction). The...display increased neuronal expression in the brain while having decreased expression in the liver after systemic...only AAV.CAP-B10 causes brain wide expression, with no liver expression, after retro-orbital sinus vein ...need. If you'd ever like to write about a recent plasmid deposit please sign up here. Here's what you'...
  24. Plasmids 101: FLEx Vectors

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    Blog Post
    ...In a previous post from our Plasmids 101 series, we learned how the Cre-loxP recombination system can...In the presence of Cre, GFP expression is lost, allowing for rescued expression of GeneR.   Sometimes...elements to turn off expression of one gene, while simultaneously turning on the expression of another! What...FLEx switch that turns BFP expression off, while turning on mCherry expression. For this FLEx switch to ...presence of Cre recombinase. This plasmid now specifically drives expression of mCherry instead of BFP. Beyond...allowing for expression of GeneR. This allows a researcher to test whether or not expressing GeneR alone...potential to express the transduced reporter gene. Generating a FLEx switch to control expression of an optogenetic...
  25. 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...of robust expression of high G+C content genes, as validated through monitoring the expression of fluorescent...seen through the success of the change in expression of GFP, for the stop codon should have changed from... is used to sort populations by mCherry and GFP expression to check for ABE’s. b) Quantification of base-editing... 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...
  26. Retrovirus Plasmids

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    Collection
    ...Gamma-Retroviral Plasmids Gamma-Retroviral Plasmids Transfer Plasmids Packaging Plasmids Envelope Plasmids Additional...MSCV Plasmid for transgene expression with luciferase expression. Scott Lowe 9044 pMIG MSCV Plasmid for..., and plasmid 1774 for neomycin selection. Bob Weinberg 10676 pMKO.1 GFP MoMLV U6-driven plasmid for shRNA... pRetroX GFP T2A Cre CMV/MSV Tetracycline inducible expression of GFP T2A Cre fusion in mammalian cells...James Iglehart 20672 MSCV-IRES-GFP MSCV For transgene expression with a GFP marker. Tannishtha Reya 21654...21654 pMSCV PIG (Puro IRES GFP empty plasmid) MSCV For cloning and gene expression. Select with puromycin ...Tet-regulated expression of shRNA. Expresses rtTA. See Zuber et al. (2011) for additional plasmids in this ...
  27. Hot Plasmids: Fall 2025

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    ...the new plasmids, antibodies, viral preps, and more in the repository through our Hot Plasmids articles...cells express iCre with a mitochondrial anchor and a TEV cleavage site. Recipient cells express DsRed ...future improvements. Find PinkyCaMP plasmids and FRCaMPi plasmids! Fink, R., Imai, S., et al. (2024)....protein of interest or targeted to a GFP fusion protein using an anti-GFP nanobody (Figure 4). Once incorporated...killswitch-nanobody system. A cell expressing the protein of interest fused to GFP forms fluorescent biomolecular...biomolecular condensates. A GFP-nanobody fused to the killswitch (GFP-nb–KS) is delivered using a vector that...cell-surface proteomes (Wu et al., 2025). The team expressed extracellularly-anchored horseradish peroxidase...
  28. Hot Plasmids - June 2020 - Barcoded CRISPR Library, Sparse Cell Labeling, Calcineurin Reporter, and DNA Staining Dye Alternative

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    ...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...digestion of single molecules in real-time. Find plasmids expressing tTALE-FP Shin et al., Sci. Rep. 2019. https...need. If you'd ever like to write about a recent plasmid deposit please sign up here.  Human whole genome...the stop cassette is removed, the effector is expressed. By truncating one of the recombination sites .... https://doi.org/10.1101/788679 A destabilized GFP reporter for calcineurin activity in yeast Article...calcineurin-dependent response elements (CDREs) and drives gene expression. Because calcineurin is required for virulence...
  29. Hot Plasmids: Fall 2024

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    ...of the new plasmids, antibodies, and viral preps in the repository through our Hot Plasmids articles.  ...matured considerably faster, with expression levels comparable to GFP during early embryogenesis (Figure...selection. Using an inducible Cas9 expression and removing the sgRNA plasmid after identifying successful knockouts... transformed with the sgRNA cassette on a plasmid expressing mCherry and resistance selection marker HygR... or want to swap out the constant domains, the plasmids for the heavy chain and light chain are also available...difficult to study in vitro, requiring either expressing it with additional cofactors or using significantly...BY license. This construct can be easily expressed and purified from E. coli, retains important functional...
  30. General Transfection

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    Protocol
    ...therefore, plasmid DNA purification should include an endotoxin removal step. For high quality plasmid DNA, ...protocol to transfect mammalian cells with your plasmid of interest. Protocols...polyethylenimine. Transfections allow for transient expression of a gene of interest in a target cell line and..., the plasmid should also be propagated in an endonuclease negative E. coli strain such as NEB stable....is prepared, transfect cells with a fluorescent plasmid using a variety of ratios. Check the cells 1–2 ...determine what ratio gives the highest percentage of GFP positive cells. Refer to the table below for a possible...the cells 24–48 h before checking for protein expression. Sample Data Legend: Lenti-X 293T cells were ...
  31. Hot Plasmids June 2018 - Reverse transcriptase, nanobody, and protein-DNA interaction tools

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    ...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...write about a recent plasmid deposit please sign up here. Listen to the Hot Plasmids Podcast!  MarathonRT...at Yale University recently deposited a plasmid for expressing a novel reverse transcriptase (RT), MarathonRT... Their toolkit includes a set of plasmids each containing an anti-GFP nanobody fused with a different ...with GFP, YFP, mCerulean, or other related fluorophores. Find all of the nanobody toolkit plasmids here...these lentiviral plasmids, catalytically inactive Cas9 (dSpyCas9) fused to APEX2 is expressed from a Tet/Shield1...
  32. Hot Plasmids: Summer 2024

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    Blog Post
    ...of the new plasmids, antibodies, and viral preps in our repository through our Hot Plasmids articles. ...2024). In MagIC-cryo-EM, target proteins (expressed as a GFP fusion in this proof-of-concept study) are...capture module (SpyTag-GFP nanobody) assembled on beads. C) Micrograph of H1.8-GFP nucleosomes collected...SpyTag-SpyCatcher linkers and spacer proteins ending with a GFP nanobody (Figure 1). This enrichment streamlines ...) 3D model of the obtained structure of the H1.8-GFP-bound nucleosome. Images adapted from Arimura et ...be used for applications beyond cryo-EM.   Find plasmids for MagIC-Cryo-EM here!   Arimura, Y., Konishi...disease phenotype in an animal model. Find PE-eVLP plasmids here! The lab’s other recent deposit builds on...
  33. Plasmids 101: Gene, enhancer, and promoter trapping

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    Blog Post
    ...in the Lab Plasmids 101: Screens vs. Selections Plasmids 101: Knockout /Knock-In Plasmids ...could infer that the gene which GFP was monitoring was being expressed in the same pattern. These systems...the Lab Bench Plasmids 101 e-book Additional resources on the Addgene blog Plasmids 101: Using Transposons...fundamentally the reporter construct monitors the expression of a nearby gene. The reporter gene serves as...as a proxy for the endogenous gene – its expression levels (high/low) and patterns (tissue/timing) can... way. For example, if green fluorescent protein (GFP) was the reporter gene and green cells were observed...function of a gene. For example, they eliminate the expression of the gene (by CRISPR knockout, shRNA depletion...
  34. Multiple Plasmids at a Low Price: Kits from Addgene

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    ...curated collections of plasmids as kits with greatly reduced costs per plasmid. We generally create kits...: FX Cloning Kit BIOFAB Plasmid Set pCri System Cell Free Protein Expression Kit FREQ Seq PUF Assembly... of GFP and RFP fusions as their test genes, the researchers at the BIOFAB showed that expression of many...just the tool you need. The plasmids in this portion of the BIOFAB Plasmid Set contain terminators of ...your polycistronic E. coli expression constructs. Some applications of plasmids from this kit include the...Process with pCri Cell-free protein expression kit Cell-free expression systems have been improved for both...comparison of different cell-free expression systems; the Cell-free expression test kit represents a set of...
  35. Plasmids 101: Protein tags

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    ...Should I Use? Plasmids 101: Green Fluorescent Protein (GFP) Fluorescent Protein Guide Expression Vectors from...localization, or protease protection. Thus far Plasmids 101 has covered GFP and its related fluorescent proteins... Protein tags are usually smallish peptides incorporated into a translated protein. As depicted in the...box of tags and fusion proteins to aid in the expression and purification of recombinant proteins. Tags...stability activity, can be readily purified using plasmids found in this paper (available at Addgene).   ...
  36. Plasmids 101: Mammalian Vectors

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    ...Although plasmids do not naturally exist in mammals, scientists can still reap the benefits of plasmid-based...their genomes. Unlike plasmids used for expression in yeast and bacteria, plasmids used for stable transfections...Your Perfect Plasmid Backbone Read More: Plasmids 101: Antibiotic Resistance Genes Plasmids 101: Origin...straightforward and the resultant cells can either express the plasmid DNA transiently (similar to bacteria) or ...reporter is unique to the cell, is expressed from the plasmid, and can be assayed conveniently. A direct..., it is sufficient for the transfected plasmid to be expressed transiently. Since the DNA introduced in...components expressed in trans within the cell for effective replication. Cell lines expressing the Epstein–Barr...
  37. Hot Plasmids - February 2022

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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...anti-FLAG-FB-GFP binding to FLAG-tag H2B for nuclear localization. (c) Applications of anti-FLAG-FB-GFP labeling...editing within a single expression cassette is advantageous to Cas9’s larger expression requirements (Figure... A: individually expressed proteins run in separate lanes. B: individually expressed and coexpressed proteins...Image from Santilli, et al. 2021 Plasmids are used to express 10, 15, 20, 30, 40, 50, 60, 80 and 100...need. If you'd ever like to write about a recent plasmid deposit please sign up here.  Here's what you'...
  38. Hot Plasmids - November 2023

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    Blog Post
    ...of the new plasmids, antibodies, and viral preps in the repository through our Hot Plasmids articles. ...transcriptional activation events as bands of induced GFP-iPAK4 expressed under promoters like the tet-responsive element.... Today, it's time for another edition of Hot Plasmids!  Here's what you'll find in this post:  New...., 2023 under CC-BY 4.0 License. Find PE6 plasmids here!  Doman, J.L., Pandey, S., et al. (2023)....therapies and medical applications.  Find DIRECTED plasmids here! Strebinger, D., et al. (2023). Cell type-specific...pulse-chase experiments, and more. Find LOV-Turbo plasmids here! Next, Qin and Cheah et al. described TransitID...LOV-Turbo into TransitID experiments.  Find TransitID plasmids here! These two developments open up new possibilities...
  39. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

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    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...transduced at levels similar to that of a single AAV expressing GFP. The lab tested the base editors in vivo and...determined protein expression levels from different promoters, and inhibited gene expression using CRISPRi....need. If you'd ever like to write about a recent plasmid deposit please sign up here.        AAV delivery... Figure 1: The base editor is split into two plasmids and co-transfected into cells for reconstitution...voltage indicators, however, fall short compared to GFP-based sensors in terms of response and brightness...
  40. 27 Hot Plasmids from 2016

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    ...quarter we highlight a subset of the new plasmids in the repository through our hot plasmids articles....lines expressing it. The Church lab fixed this issue by creating a new dCas9-VPR expression plasmid that...transfer vector for in-vivo expression and plasmids optimized for dCas9-VPR expression in drosophila and yeast...Cas9 nickase, and Cas9 activator expressing plasmids that can co-express 1-8 gRNAs. Ordon et al., 2016 tested...Neurosci 2016. PubMed PMID: 26950006 Plasmid ID Plasmid Name Plasmid Type 74309 pcDNA3.0-TRPV4-p2A-ferritin-p2A-mCherry...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...
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