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  1. 28 Hot Plasmid Technologies from 2015

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    Blog Post
    ...visualize: Cell Structure Plasmids: Cell Structure Plasmids: ER mCherry-Sec61 beta BFP-Sec61 beta...amazing plasmid technologies developed by our community of depositors. With over 40,000 plasmids avaliable...amazing new plasmid tools that have come through our doors in 2015. Do you have a favorite new plasmid tool ... mediated genome modification and gene expression. The plasmids associated with this article can be obtained...system plasmids are available through Addgene and are already very popular. Use these plasmids to increase... of the integrases is supplied on its own expression plasmid or in various combinations, while the cognate...bacterial expression vector which gives close to 100% cloning efficiency and gene expression. The pUCXKT...
  2. Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering

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    Blog Post
    ...EsCas13d. Find the Yan et al. plasmids here Find the Konermann et al. Plasmids here How do Cas13d enzymes...). In a HEK293 mCherry reporter assay, CasRx and AdmCas13d produced 92% and 87% mCherry protein knockdown...collateral cleavage does not occur when Cas13d is expressed in a mammalian system. Since Cas13d is functionally...S0092-8674(18)30207-1. PubMed PMID: 29551272 Plasmids from this paper are available at Addgene. Yan...S1097-2765(18)30173-4. PubMed PMID: 29551514 Plasmids from this paper are available at Addgene. Learn... Resources on Addgene.org: Find RNA Knockdown Plasmids Check out our CRISPR Guide Read our CRISPR History...
  3. 15 Hot Plasmids from 2017

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    Blog Post
    ...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These brief articles...articles provide a synopsis of a plasmid or group of plasmids' functions and applications. We hope that... you to find and use the plasmids you need. You can find all the hot plasmids from 2017 below. With over...over 50,000 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...of factor-linked mCherry). They additionally discovered that monocistronic expression of either variation... that restrict expression to this cell type. To this end, they constructed AAV plasmids bearing one of...
  4. Which Fluorescent Protein Should I Use?

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    Blog Post
    ...of these FPs are fluorescent when ectopically expressed in most organisms. Furthermore, fusing FPs to ... The two most common uses are: 1) to test the expression level in a specific system (by measuring the ... as the first letter in the protein name, e.g. mCherry). Oxygen: The maturation of the chromophore on ...sfGFP) and mNeonGFP can fold in <10min at 37°C, mCherry takes ~15min, TagRFP ~100min and DsRed ~10hours... parameter is important if you are planning to express the FP in acidic environments (e.g. yeast cytosol...He is interested in everything related to gene expression, particularly at the RNA level. He maintains ... comprehensive data sheets on many FP variants Plasmids 101: Green Fluorescent Protein (GFP) Three Review...
  5. 27 Hot Plasmids from 2016

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    Blog Post
    ...26950006 Plasmid ID Plasmid Name Plasmid Type 74309 pcDNA3.0-TRPV4-p2A-ferritin-p2A-mCherry Mammalian...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...Mammalian Expression 74308 pcDNA3.0-Magneto2.0-p2A-mCherry Mammalian Expression 74334 pCR8-Magneto2.0-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 ...
  6. New Optogenetic Tools for Cytoskeleton and Membrane Control

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    Blog Post
    ... you’ll need to express both the EB3N-VVDfast-iLID anchor module and the SspB-mCherry-p60 katanin module... activity. EB3N-VVDfast-iLID (anchor) and SspB-mCherry-p60 (katanin) are recruited to microtubules under...module, which are also available as lentiviral plasmids if you want to make a stable cell line. This design...specific area at the plasma membrane (Figure 2). Just express the plasma membrane-localized iLID along with your...Opto-RhoGEF design and activity. B) OptoTIAM (magenta) expressed in a monolayer of endothelial cells, showing cell...either CRY2 or CIB1 to your protein of interest and express the other separately, then use blue light to generate...developing embryo is accessible for injection of plasmids and other materials.    Figure 3: Optogenetic...
  7. 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...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...
  8. Antibodies 101: Affinity Tags

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    Blog Post
    ... single protein is expressed, with the intent of purification, it will be expressed along with all other...other cellular proteins within the expression system (bacteria, yeast, mammalian, etc.). To individually...about that protein that no other protein in the expression system has. This is where affinity tags come ...peptides which do not naturally exist in most expression systems that can be added to the N or C terminus...on: The protein you are trying to purify The expression system If you want the tag to remain on your ...MBP tag, although large, can actually increase expression and solubility of the tagged protein (Fox and... Myc, etc.) and fluorescent protein tags (GFP, mCherry, etc.). Fluorescent tags are primarily used for...
  9. Hot Plasmids - June 2020 - Barcoded CRISPR Library, Sparse Cell Labeling, Calcineurin Reporter, and DNA Staining Dye Alternative

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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...the DNA. They created plasmids for purification of tTALE-eGFP and tTALE-mCherry. In comparison to intercalating...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 ...calcineurin-dependent response elements (CDREs) and drives gene expression. Because calcineurin is required for virulence...
  10. Plasmids 101: Multicistronic Vectors

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    Blog Post
    ...using a plasmid with multiple, individual expression cassettes, having the genes expressed from the same... for each gene that is expressed, multicistronic vectors simultaneously express two or more separate proteins...cells that are expressing your gene of interest at high levels. Unlike vectors that express screenable or...multicistronic plasmids ensure that any cells that are positive for your marker should also be expressing your ...want to express multiple genes in the same cell. Although it is possible to drive co-expression by using... a portion of the plasmid is packaged for viral delivery, or the relative expression levels between two...with a plasmid that already has the multicistronic element and reporter cloned in. In these plasmids you ...
  11. Multifunctional Neural Fibers: Modulation from Gut to Brain

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    Blog Post
    ...construct expressing channelrhodopsin 2 (ChR2), a blue light sensitive cation channel, fused to mCherry to the... BRAIN initiative plasmid collection More resources on the Addgene blog Plasmid tools for microbiome...potential afterwards. This measurement trended with expression of the opsin in the target neurons, validating...
  12. Teaching an Old DOG New Tricks: Controlling Protein Activity with GFP

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    Blog Post
    ...mouse retina. GFP expression robustly activated the reporter gene TdTomato, whose expression was absent without...reporter expression was induced in ~76% of GFP+ cells, and 100% of DsRed+ cells also expressed GFP. Using.... Cepko lab researcher Jonathan Tang wanted to express a variety of proteins in single cell types in the... could use previously established mouse lines expressing GFP in specific cell types to do more than just...cells. If GFP could be co-opted to control gene expression, he could then selectively manipulate only GFP-labeled... commonly used red fluorescent proteins dsRed, mCherry, and TdTomato do not induce transcription. Thus...and rTetR systems such that they activate gene expression from different promoters. Moving to an in vivo...
  13. Fluorescent Tagging of Endogenous Genes with SapTrap

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    Blog Post
    ...prebuilt donor plasmid library containing several types of fluorescent (EGFP, tagRFP, mCherry) and nonfluorescent...co-injection of the targeting vector and a Cas9 expression plasmid will insert the desired genetic tag and marker...as a universal donor plasmid. The CRISPaint toolkit includes several donor plasmids for protein tagging...The Jorgensen Lab recently developed a modular plasmid assembly toolkit called SapTrap to improve CRISPR...accepts the sgRNA target sequence for U6 promoter expression and the second site accepts the homology arm ...tag and homology arms). Digestion of the donor plasmids with SapI allows the tag, selectable marker, and...to be released (Fig. 1, Step 2-3). Since donor plasmids of the same type will produce the same unique ...
  14. New Tools Enable CRISPRa for Neuroscience Applications

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    Blog Post
    ... ubiquitous expression of sgRNA(s) and mCherry (vector 1) with neuron-specific expression of dCas9-VPR... for generating the SPH mouse. (B) AAV plasmids used to express CRE under neuron-specific promoters (aCaMKII... (i.e., how many sgRNA expression cassettes will fit). Cre-dependent expression of the SPH activator paired...neuronal populations.  The Yang Lab’s AAV plasmids used to express Cre under neuron-specific promoters, including...system with ubiquitous expression of sgRNA (top) and neuron-specific expression of dCas9-VPR (bottom)....without inducing expression of the non-targeted variant. Moreover, isoform-specific expression of Bdnf resulted...comprehensive CRISPR guide Find CRISPR plasmids and resources Find CRISPRa plasmids ...
  15. Fluorescent Protein Travel Awards - Protein Variants, a Serotonin Sensor, and an Artificial Leaf Replica System

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    Blog Post
    ...followed by an internal ribosomal entry site and mCherry. If a variant has wild-type levels of abundance..., leading to reduced eGFP fluorescence. Cells expressing the library are then sorted by fluorescence-activated...CUSPER bioreporter such that fluorescent proteins expression is induced prior to inoculation with IPTG. In...control of promoters that control cell cycle gene expression.  Additional Resources on the Addgene Blog ...Addgene.org Find fluorescent protein biosensors Browse Plasmids from the Tsien lab Browse the Michael Davidson...fluorescence-activated cell sorting into four bins based on their eGFP:mCherry ratios. Genomic DNA from each bin are then extracted...
  16. Hot Plasmids February 2024

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    Blog Post
    ...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...assess Cas9-PAGE editing with viral sgRNA targeting mCherry reporter (mChe), with co-incubation with assist... 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...
  17. MXS Chaining

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    Blog Post
    ...Gibson Assembly Learn About Other Plasmid Cloning Techniques Plasmids 101: Green Fluorescent Protein Resources...Fluorescent Protein Collection Find Plasmid Kits at Addgene Find Plasmid Cloning Protocols References 1....combination of different genetic sequences into plasmid DNA. In high throughput cloning techniques, although...localization, as well as cellular processes like gene expression and cell migration (Sladitschek and Neveu, 2015...MXS chaining MXS-chaining was designed to create plasmids for fluorescence imaging or flow cytometry applications...enhancers, polyadenylation signals, inducible gene-expression sequences, and more. By combining these components...cell cycle dynamics, titrate inducible transgene expression, or a variety of other clever applications. ...
  18. Fluorescent Proteins 101: When GFP lets you down

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    Blog Post
    ...), tagRFP (pKa = 3.1) and mCherry (pKa = 3.8). We have observed that mCherry (and mTurquoise2, not shown... "Live cell imaging of phosphoinositides with expressed inositide binding protein domains." Methods 46.3...protein fusions Browse the Fluorescent Proteins Plasmid Kits ...
  19. Fluorescent Proteins 101: Fluorescent Protein Timers

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    Blog Post
    ...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...
  20. The Fluorescent Vegetables in Aptamer Soup

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    Blog Post
    ...Browse fluorescent protein plasmids and resources See all Jaffrey lab plasmids ... are named for soup ingredients! From pSOUP to mCherry, satisfying ingredients reagents permeate the molecular... cellular processes by transforming cells with plasmids encoding aptamer-tagged RNA and later introducing...aptamer downstream of a known promoter. Addgene’s Plasmids 101: Aptamer Fluorophores describes the enrichment...leading to conformational changes that control the expression of coding RNA. Spinach-based riboswitches can...SELEX, the RNA pool was cloned into bacterial expression vectors to create a library. Bacteria were transformed...quantify RNA transcription by RNA Polymerase III. By expressing Corn under promoters for transcripts uniquely...
Showing: 21 - 40 of 72 results