...selection. Expression is driven by a fairly strong EF1alpha promoter. We have verified expression of correctly-sized...2 virus-human interaction network in which we expressed 26 of the 29 SARS-CoV-2 viral proteins in human...the viral protease, Nsp5. Our set also includes a GFP construct as a control. For easier portability, all...Western Blot for 25 constructs, and confirmed expression via mass spec for two of the remaining viral ...going on there!).  Find the Krogan Lab SARS-CoV-2 plasmids (Note: The Nsp6 construct is undergoing QC and... has been inundated with requests to share our plasmids with other researchers. We have been excited to...Gordon) have been quite busy shipping and sending plasmids to all who request them -- in locations all over...

...high-copy plasmid-borne chromoproteins lost color overnight in liquid culture, though expressing the chromoproteins...for allelic exchange Figure 3: pTOX plasmids expressing amilCP and tsPurple genes. Image: Lazarus...coli BioBrick plasmids (meffRed, eforRed, asPink, spisPink, scOrange, fwYellow, amilGFP, amajLime, cjBlue...contrast, the widely used green fluorescent protein (GFP) gives a bright green fluorescence when exposed to...at the cells on the plate. For example, if your plasmid contains a gene encoding a blue chromoprotein, ...colonies to determine which cells have taken up the plasmid. Of course, other follow up methods like sequencing...gfasPurple) (Figure 2). Figure 2: Chromoprotein expression from bacteria on agar plate. Image: Liljeruhm...

...Resources on Addgene.org Find Biosensor Plasmids Find Optogenetics Plasmids Visit the Fluorescent Protein Guide...Representative images of HEK293T cells and neurons expressing nLightG or nLightR before/after application of...ΔF/F0 heatmaps. White insets indicate surface expression of the indicators over white dashed lines. Scale...contains circularly permuted green fluorescent protein (GFP), and nLightR uses a red fluorescent protein, mApple...accounted for in your experimental design. Find nLight plasmids here! Next steps While nLightG and nLightR greatly...

...drive high protein expression in vivo. Expression plasmids are often lost without plasmid addiction systems...cells to retain plasmids - if a cell does not inherit plasmid due to improper plasmid partitioning, it...unstabilized plasmids were retained in less than 10% of cells while plasmids containing the plasmid addiction...ensure that plasmids are passed down through generations (Figure 1). These so called “plasmid addiction ...only survive if they retain the plasmid. Since their discovery, plasmid addiction systems have been used...found that if a mini-F plasmid carried a specific 700 bp segment of DNA, the plasmid was propagated better...selection in one plasmid, they were able to create an efficient cloning tool. The plasmid pKSCTMF contains...

...stem cells transduced with iTOP resulting in GFP expression. Image courtesy of Diego D'Astolfo. CRISPR... mutations and gene expression changes elsewhere in the genome. Second, expression is by nature transient...control could enter cultured cells and activate expression of a luciferase reporter. CPP was not required...causes a cell to take up, and continued protein expression would require multiple transduction events. For... to binary systems in which transient protein expression has a long-lasting effect, such as Cre- or Cas9...10.1016/j.cell.2015.03.028. PubMed. Find the Plasmids @Addgene: iTOP-tested proteins and reporters...

...colleagues built a Molecular Expressions collection including some 3,300 plasmids along with image galleries...Fluorescent Proteins 101: GFP Fusion Proteins - Making the Right Connection.  mEmerald plasmids and many more! ... resources to go with them. This collection of plasmids is available in an easily searchable format on...Fluorescent Protein Collection webpage. These plasmids are divided into the following categories: Over...list of cell markers all tagged with mEmerald. Plasmids to monitor protein-protein interactions through...Specialty constructs for biosensing. Over 300 plasmid backbones spanning a rainbow of fluorescent proteins...proposition, explained Michelle Baird, who has created plasmids as a technician in the Davidson lab for the last...

...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...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...

...transforming both fusion plasmids, or mating two single haploid yeast fusion plasmid transformants into a ...Addgene Browse Our Yeast Expression Vectors Find Bacterial Two Hybrid Plasmids Read our Blog Post About...activation. Vary the expression levels of bait and prey proteins - overexpression can lead to false interactions...During this period, proteins were successfully expressed as fusions that retain their individual activities...in this case a reporter gene (e.g. luciferase or GFP), regardless of whether it interacts with a transcriptional...see Figure 2a) (4). These fusions are then co-expressed in a yeast strain that also contains a reporter...bait”, Figure 2b) cannot activate reporter gene expression on its own, but, if the two POI’s interact, this...

...Addgene.org Find plasmids from the Bethune Lab Find Plasmids from the Roux Lab Find Plasmids for FRET ...labeling, BirA* fusion proteins are expressed in cells via plasmids or by the creation of stable cell lines... enriched relative to controls using Split-BioID-GFP and BioID run on six unrelated proteins. One caveat... et al saw different levels of fusion protein expression and biotinylation depending on which terminus... requires 6-24 hours for tetracycline induced expression of the BirA* fusion protein and saturation of... al allowed 24 hours for tetracycline induced expression and biotinylation of interacting proteins. This...Interested in using Split-BioID with your research? Plasmids are available from Addgene! References Schopp...

...drug resistance (Chen et al., 2013), fluorescence (GFP; Tzur et al., 2013), or rescue of mutant phenotypes...step as simple as heat-shocking to induce the expression of a Cre recombinase contained within the knock-in...homology arms to knock in large epitopes, such as GFP (Paix et al., 2014). A further development of this...efficiencies, obtaining as many as 100 independent GFP knock-ins from a single injected animal.  PAM sequence.... elegans. These modular toolkits build single plasmid targeting vectors that encode the gRNA transcript... C. elegans, visit Addgene’s C. elegans CRISPR plasmids page. Future perspectives It is interesting to...using modified Cas9 proteins to regulate gene expression (CRISPRi/CRISPRa), visualize specific genomic...

...of the new plasmids, antibodies, and viral preps in the repository through our Hot Plasmids articles.  ...all applications. Addgene’s plasmid collection includes over 10,000 plasmids with a FLAG tag (!), but did...escape. Combining Cas9-PAGE with lentiviral sgRNA expression yielded editing of 80–90% in human cell lines..., Myc and SV40 Nuclear Localization Signals, and GFP. B) Workflow to assess Cas9-PAGE editing with viral... al. 2023 with permission.   Find Cas-PAGE plasmids here!   Zhang, Z., et al. (2023). Efficient engineering...structured illumination microscopy in HeLa cells expressing COX8a-mStayGold. Scale bars 10 μm (main), 1 μm...inspired and informed this section.  Find mStayGold plasmids at Addgene here!   Ando, R., et al. (2023). StayGold...

...to be expressed. These permit exquisite control of gene expression and tracing of gene expression across... basal expression. Co-expression of repressor QS along with QF leads to intermediate expression from QUAS...the Church lab uses this system to control expression of GFP.)  To turn this inducible system into a repressible...transgene permits directed expression of that gene in cells that also express GAL4. Usage of this system...UAS to examine the expression of reporter genes, or to combine reporter expression from one promoter with...basal state, and co-expression of the inducer QF can increase QUAS driven expression by ~3,300-fold in ... Shen. “Controlling gene expression with the Q repressible binary expression system in Caenorhabditis ...

...interest: Plasmid Color Expression Description pPROEX Aqua Cyan Bacterial Expresses Aquamarine with...Cyan Mammalian Expresses mammalian optimized Aquamarine mCerulean N1 Cyan Mammalian Express a gene of interest...Cyan Mammalian Expresses mammalian optimized CyPet pCyPet-His Cyan Bacterial Expresses CyPet with C-terminal... Mammalian Expresses mammalian optimized YPet pYPet-His Yellow Bacterial Expresses YPet with C-terminal...Mammalian Express a gene of interest fused to the C-terminus of SYFP2 Clover Green Mammalian Expresses Clover...Clover (a GFP variant) commonly used with mRuby2 pLSSmOrange-N1 Orange Mammalian Express a gene of interest...used pairs to measure FRET. The table below lists plasmids that can be used to create your choice of fluorescent...

...plant plasmid resources at Addgene  Choosing an expression system Choosing an appropriate expression vector....org Find plant plasmids Visit our plant resource page Deposit arabidopsis plasmids with Addgene ...this method include: Cloning and transforming a plasmid into the bacterium Agrobacterium tumeficans - a...options, but here are a couple of my favorites. Plasmids from the Tsuyoshi Nakagawa lab are binary gateway...terminally tagged fusion proteins with fluorescent (YFP, GFP, CFP, RFP, etc.) or affinity tags (HA, FLAG). There...prefer Golden Gate assembly, there are a series of plasmids from the Dinneny lab that additionally allow for...for visual selection of transformants based on expression of RFP in the seed (Emami, Yee and Dinneny, 2013...

...Fluorescent Proteins 101: GFP Fusion Proteins - Making the Right Connection. Cellular expression Whether BiFC constructs... independent of PPIs. Overexpression can be assessed by comparing the expression levels between BiFC constructs...because it relies on a single BiFC pair. Find BiFC plasmids for your experiment at Addgene! How to Design ... steps: fusion protein construction, cellular expression, and quantification (Kerppola, 2006, 2013). These...constructs are expressed transiently by transfection or stably impacts the success of BiFC experiments...this can also be perturbed by supraphysiological expression levels. BiFC quantification This is where BiFC...cannot be used as negative controls because their expression level, stability, and subcellular localization...

...David Goldstein’s lab, will use GFP-ATP1A3, FLAG-ATP1A3, and ATP1B3 plasmids to explore the functional differences...studying four of those rare diseases will receive plasmids from Addgene worth a total of $5000.  Lowe Syndrome...involving the primary cilia. They’ll put a variety of plasmids to work to explore the effect of various OCRL1...there. This will help us acquire a lot of those plasmids so that we can try many different things in parallel...ATP1A3. The gene encodes a sodium-potassium pump expressed specifically in neurons of the brain. McSweeney...mutations. More specifically, they’ve proposed to use plasmids with modified nickase Cas9 protein in order to...

...fluorescent protein timers When FP timers are first expressed, they predominantly fluoresce one color but slowly...timers (whether as part of protein fusions or expressed independently) originally fluoresce green or blue...displays predictable kinetics over 14 hours of expression in C. elegans embryos. However, this initial ...ideal FP timers: 1. Ratiometric determination of expression time The ratio of mature to immature fluorescence...fluorescence from the FP timer is dependent on the total expression time but independent of protein concentration...Calibration curves correlating this ratio to the total expression time can therefore be used to determine how long... long a pool of FP timers has been expressed, either in whole cells or as a pool of fusion proteins localized...

...Proteins Control Protein Expression with Cre-lox Control Protein Activity with GFP Resources at Addgene.... kinase inhibitors, psMEK1 and ERK KTR-mRuby2 expressing cells were incubated with an inhibitor of choice...feedback. 3. Studying signaling pathways in vivo Expressing photoswitchable kinases in vivo not only allows...used in other model systems, but they need to be expressed in a tissue or organism that blue and violet light...photoswitchable kinases in my experiments? You can find the plasmids from Zhou et al here. In addition, it could be...Addgene.org Find KTR reporter plasmids Find photoactivatable fluorescent proteins in empty backbones in the...

...multiplexing; expressing 5 gRNAs simultaneously produces comparable gene knockdown to single gRNA expression. Although... a superfolder GFP fusion to stabilize the protein in mammalian cells. LwaCas13a-msfGFP can mediate cleavage...tracking, modulating splicing, and regulating expression of specifically targeted RNAs. Finally (and perhaps...at this finding through analyses of global RNA expression, cell stress, and RNA size distribution. When...27256883. PubMed Central PMCID: PMC5127784. Find plasmids from this paper at Addgene. 2. East-Seletsky,...) (2016):270-273. PubMed PMID: 27669025. Find plasmids from this paper at Addgene.  3. Gootenberg, Jonathan...28408723. PubMed Central PMCID: PMC5526198. Find plasmids from this paper at Addgene. 4. East-Seletsky,...

...recombination, RFP is expressed. Cre can mediate one of two deletions to allow YFP or M-CFP expression; these deletions...inversion. The Brainbow-2.1 construct can express one of four colors (n-GFP, RFP, YFP or M-CFP.) The construct...research? Check out Brainbow plasmids available from Addgene! Find Brainbow Plasmids @Addgene: Brainbow 1.0...1.0, 1.1, 2.1 plasmids Brainbow 3.0, 3.1, 3.2 plasmids References: Transgenic strategies for combinatorial...editing may be the hot new way to manipulate gene expression, but other gene manipulation systems remain valuable...ways to spatially and temporally control gene expression, especially in in vivo models, and new Cre-lox... of Cre-lox. Check out our previous blog post, Plasmids 101: Cre-lox, if you need a quick primer on how...