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Showing: 101 - 120 of 148 results
  1. SARS-CoV-2 Pseudotyped Virus

    Type
    Collection
    ...Envelope and Packaging Plasmids Reporter Plasmids A few examples of reporter plasmids that can be used for... Lentiviral reporter vector expressing firefly luciferase. pCMV-FLuc - Retroviral reporter vector expressing...Lentiviral dual reporter vector expressing mCherry and firefly luciferase. pLentiEGFPdestablized - EFS-EGFPd2PEST... expressing destabilized EGFP. Lenti-luciferase-P2A-Neo - Lentiviral reporter vector expressing firefly...pHAGE-CMV-Luc2-IRES-ZsGreen-W - Lentiviral dual reporter vector expressing firefly luciferase and ZsGreen...Addgene's collection of plasmids for viral pseudotyping with SARS-CoV-2 spike protein. Collections...the live virus. Alternatively, it is possible to generate pseudovirus, where the structural and functional...
  2. Synthetic Photobiology: Optogenetics for E. coli

    Type
    Blog Post
    ...phosphorylation, promoting transcription of a GFP reporter. Subsequent exposure to red light rapidly deactivates...plasmids from this publication at Addgene. Multichromatic control of gene expression in Escherichia coli...optimized by Tabor’s lab, making light-controlled gene expression in E. coli easier and more robust. Synthetic...used to engineer new pathways with sophisticated gene expression controls. Most cell types do not respond... can be coexpressed for sophisticated control of gene expression. An E. coli light-sensitive two-component... was only about 10-fold, precluding the study of gene expression at very high or very low levels. Schmidl...researchers to better fine-tune the level of output gene expression based on the input light intensity. In...
  3. Neurodegeneration Research Collection

    Type
    Collection
    ...type or mutant ORFs, gene fragments, and gRNAs for genes linked to neurodegenerative disorders. Find plasmids...within the huntingtin (HTT) gene. An individual with the mutated HTT gene will have huntingtin proteins...association between a gene and late-onset AD. It is more likely a combination of gene variation and lifestyle... are associated with known genetic mutations in one of the following genes: SOD1, C9ORF72, TARDBP, FUS...three different inherited genes: Presenilin 1, Presenilin 2, and APP gene.The majority (>90%) of individuals...these additional genes may play in Alzheimer's disease. Research Tools Neurodegeneration Plasmid Collection...FRET-based reporter to study tau seeding in mammalian cells. Lathuiliere et al. Mol Neurodegener. 2023 Aug...
  4. Worm Expression Resources

    Type
    Collection
    ...briggsae , etc.) gene or sequence: ID Plasmid Gene/Insert PI Don’t see your gene listed? Know of some great...can knock down genes by feeding worms bacteria expressing dsRNA or use CRISPR/Cas9 gene editing to easily... used in worms, search Addgene's entire collection. ID Plasmid Description Gene/Insert PI Plasmids Expressing...which diminishes epigenetic silencing in the germline. A "FLP-Out" system for controlled gene expression in...elegans genome is well studied and hundreds of reporters have been developed and characterized which allow...Expressing Worm Genes/Inserts The table below lists plasmids that contain a worm ( C. elegans, C. briggsae...vectors for C. elegans research, including lacZ and GFP fusion vectors. C. elegans optimized fluorophores...
  5. Viral Vectors 101: Virus Safety

    Type
    Blog Post
    ...into contact with than GFP. Similarly, if the viral vector carries an shRNA to a gene essential for cellular...looks like the genetic cargo in one plasmid (the transfer plasmid), the envelope (Env) gene on a separate...with those particles. Since the Env, Gag, and Pol genes are not encoded in the transfer plasmid, the component...familiarize yourself with your organization’s reporting mechanisms before you start an experiment, just...Resources Resources on Addgene.org Addgene viral services Addgene Biosafety Guide Addgene Viral Plasmids ...? That’s okay! In this article we will discuss general viral safety considerations and best practices ...of what is being integrated by the virus. If an oncogene overexpression construct is being delivered, that...
  6. Biosensor AAV Preps

    Type
    Collection
    ...pAAV-Syn-Archon1-KGC-GFP-ER2 Syn Archon1 EGFP Constitutive 8 Boyden 115893 pAAV-Syn-FLEX-rc [Archon1-KGC-GFP-ER2] Syn...9 Li Voltage Reporter: Archon 108422 pAAV-CAG-FLEX-Archon1-KGC-EGFP-ER2 CAG Archon1 EGFP Cre dependent...Syn Archon1 EGFP Cre dependent 8 Boyden Voltage Reporter: Voltron 119036 pAAV-hsyn-flex-Voltron-ST Syn...Voltron2-ST none Cre dependent 1 GENIE Voltage Reporter: JEDI-2P 179459 pAAV-EF1a-DIO-JEDI-2P-Kv-WPRE ...HaloCaMP1a 138327 pAAV-synapsin-HaloCaMP1a-EGFP Syn HaloCaMP1a EGFP Constitutive 1, 9 Schreiter Calcium Sensor...HaloCaMP1b 138328 pAAV-synapsin-HaloCaMP1b-EGFP Syn HaloCaMP1b EGFP Constitutive 1, 9 Schreiter Dopamine Sensors...Ready-to-use AAV available from Addgene's viral service encoding biosensor tools, including calcium sensors...
  7. CRISPR Plasmids - Tagging

    Type
    Collection
    ...listed below. When targeting other gene loci, you will prepare the gene-specific CRISPR and donor vectors...FLP expression vectors, a general cloning plasmid, and a prebuilt Unc-32::GFP targeting vector. Jorgensen...multiple genes. Plasmids can be found associated with the following article: Paix, et al. Genetics 2014 Allen...CRISPR plasmids for endogenous tagging of your gene of interest. CRISPR...repair template design. How to use CRISPR to tag your gene of interest Mendenhall and Myers Tagging System ... the plasmids as listed in each row. If your own gene of interest is currently unavailable, you will need...terminal affinity tag (3xFLAG-2xSTREP) on endogenous genes for the isolation of native protein complexes. This...
  8. Simple CRISPR-based Epigenetic Editing: dCas9-directed DNA Demethylation

    Type
    Blog Post
    ...excised by Cre recombinase. Addgene has several great options: pLV hUbC-dCas9-T2A-GFP for removable dCas9 expression...investigation into the regulation of your favorite gene. But have no fear - I’m here to introduce you to...sigh. The problem is that many of these studies report correlations without clearly testing whether a ...genome – could be affected, leading to unpredicted gene expression changes (Sapozhnikov and Szyf 2021, Charlton...interact with transcriptional machinery to modify local gene expression, confounding any potential conclusions...causal relationship between DNA demethylation and gene expression (Sapozhnikov and Szyf 2021).    ... expressing blasticidin or puromycin resistance genes.  It’s that simple! Good luck and happy editing...
  9. Illuminating Choices: A Guide to Selecting Fluorescent Dyes and Ligands

    Type
    Blog Post
    ...labeling. Size is also a factor. Bulkier tags, such as GFP, may interfere with protein expression or function...ligands for dopamine D2/D3 receptors. Scientific Reports, 10(1). https://doi.org/10.1038/s41598-020-78827...fluorescence-based ligand-binding assay. Scientific Reports, 6. https://doi.org/10.1038/srep25769 Grimm, J....mitochondrial dynamics in mammalian cells. Biophysics Reports, 3(4–6), 64–72. https://doi.org/10.1007/s41048-...the dye and the endogenous target, and thus no genetically encoded tag is required. These dyes can also ...be SNAP-tag® and HaloTag®. These consist of a genetically encoded enzyme variant tag that covalently reacts...maintained through mechanisms like fission, fusion, biogenesis, and mitophagy, can be tracked using dyes like...
  10. COVID-19 Resources

    Type
    Collection
    ...activity reporter of SARS-CoV-2 main protease Mpro. (Unpublished) A FlipGFP-based activity reporter of SARS-CoV...top Plasmids Encoding Mammalian Genes or Inserts Several mammalian genes have been identified as having...to these genes below. ID Plasmid Description Industry PI For more information on these genes, see the ... lists several luciferase and fluorescent reporter plasmids that have been used for measuring viral entry...method termed Specific High Sensitivity Enzymatic Reporter UnLOCKING (SHERLOCK and SHERLOCKv2). The Broad... termed DNA Endonuclease Targeted CRISPR Trans Reporter (DETECTR). Mammoth Biosciences has published information...(Link opens in a new window) CRISPR tools and reporters now available from Stanley Qi's lab. COVID-19 ...
  11. Chromoproteins: Colorful Proteins For Molecular Biology Experiments

    Type
    Blog Post
    ...contain a toxin gene (regulated by a rhamnose-inducible promoter) and a chromoprotein gene. Allelic exchange...contrast, the widely used green fluorescent protein (GFP) gives a bright green fluorescence when exposed to...the plate. For example, if your plasmid contains a gene encoding a blue chromoprotein, after transforming...3: pTOX plasmids expressing amilCP and tsPurple genes. Image: Lazarus et al., 2019. One such lab is...improved expression in living cells. Scientific Reports, 9(1). https://doi.org/10.1038/s41598-019-48604...protein family. What sets them apart is the way they generate their color: they strongly absorb visible light...difficult to directly use in bacteria, where most genetic manipulations start. Anthony Forster’s lab used...
  12. Plan Your Experiment

    Type
    Guide
    ...is typically used for gRNA May contain reporter gene (e.g. GFP) to identify and enrich positive cells,... separate transfer vectors May contain reporter gene (e.g. GFP) or selection marker to identify and enrich...knockin. Select gene and genetic element to be manipulated In order to manipulate a given gene using CRISPR...mutant allele of a gene ( point mutant )? Increase or decrease expression of a target gene? Once you have ...sequence for the gene you are trying to target. However, the exact region of the gene you target will ...want to: Generate complete and permanent loss of gene expression or function ( knockout )? Generate a specific... Edit Generate a specific user-defined sequence change in a particular gene, such as generating a point...
  13. Plasmids 101: The Promoter Region – Let's Go!

    Type
    Blog Post
    ...depending on its orientation to your gene. T7lac High levels of gene expression Promoter from T7 bacteriophage...modulating gene expression through varied inducer concentrations. trp High levels of gene expression...human or mouse) General expression mRNA Mammalian promoter from phosphoglycerate kinase gene.  Constitutive...deacetylation. Ubc General expression mRNA Mammalian promoter from the human ubiquitin C gene Constitutive  ... human beta actin General expression mRNA Mammalian promoter from beta actin gene Constitutive  Ubiquitous... Requires the presence of Gal4 gene to activate promoter. Ac5 General expression mRNA Strong insect ...Actin 5c gene Constitutive  Commonly used in expression systems for Drosophila. Polyhedrin General expression...
  14. Bacterial Toxin-antitoxin Systems as Molecular Biology Tools

    Type
    Blog Post
    ...the ccdB gene is replaced by the gene of interest. As a result, cells that retain the ccdB gene die off...tool. The plasmid pKSCTMF contains the mazF gene and a gene for Zeocin resistance (Figure 2). This MazF-ZeoR...The team used this cassette to knock out genes, knock in a GFP cassette, and introduced site-directed mutations...antisense RNA regulates hok gene expression indirectly through the overlapping mok gene." Journal of molecular...associated genes. These systems better ensure that plasmids are passed down through generations (Figure ...application of CcdB is GatewayTM cloning, where the ccdB gene serves as a counterselectable marker in the destination...they tested a lux-mediated bioluminescence reporter in vivo in the absence of selective pressure and found...
  15. Avoiding the Dark Side of Fluorescent Protein Fusions with mOX FPs

    Type
    Blog Post
    ...potentially affect function [5]. We and others have reported that FP cysteine residues form inappropriate disulfide...negative bacteria periplasm. Efforts to tag endogenous genes for proteins in these compartments using CRISPR ...tagging to detect proteins expressed from cloned genes: deletion mapping functional domains of Drosophila...Lindsey M. Costantini, and Erik L. Snapp. "Superfolder GFP is fluorescent in oxidizing environments when targeted...quantitative imaging experiments and cell physiology in general. Pitfalls of Fluorescent Protein Fusions Observing...cellular compartments other than the cytoplasm. Generally, FPs evolved in or were engineered for use in ...N-glycosylation consensus sequences in popular FPs. This generated a palette of inert green, cyan, yellow, and blue...
  16. 27 Hot Plasmids from 2016

    Type
    Blog Post
    ...an unpublished set of Zika gene plasmids to Addgene’s repository. The genes, from the Zika virus Asian...vectors targeting their genes of interest to generate mAID fusions to endogenous genes. Cell lines with the...targeting a total of 20,121 genes within the human genome (the identity of the genes and target sequences can...expression level for their gene of interest. Although the parts involved in altering gene expression are relatively...promoters and 140 genes, including constructs with unique tissue-specific promoters expressing GFP, tetracycline...contains ~90,000 gRNAs that target ~15,000 genes with 6 gRNAs per gene. The second is a "supplementary" library...library to generate a population of HEK293FT cells expressing a single gRNA targeting a single gene. The gRNA...
  17. The Challenges of Cell Culture

    Type
    Blog Post
    ...about the Dangers of Using GFP for Protein Localization Resources on Addgene.org Find Plasmids for Mammalian...been known about since 1966 when Stanley Gartler reported that most of the 18 cell lines he had studied ...pharmacology (many of which are represented in Addgene's Special Collections). Arguably, oncology has benefited...examining whether the cell lines had isoenzymes and genetic polymorphisms specific to their origins. This technique...out by the commercial repository. Repositories generally ensure cell line identity and purity making it...to the original as possible and so any results generated are reproducible and reliable. When you order ...Abcam Cell Culture Guidelines Resources on the Addgene Blog Learn All about Mammalian Vectors Read up...
  18. 15 Hot Plasmids from 2017

    Type
    Blog Post
    ...phosphatase-positive assay) as well as stabilization (Nanog-GFP reporter activation and silencing of factor-linked mCherry...understanding of B. subtilis gene functions and interactions. The single-gene deletion library is derived...studying the phenotype of an essential gene, the CRISPRi Essential gene Knockdown library was constructed ... in this work are available at Addgene. Kim, et al. Stem Cell Reports. 2015. PubMed PMID: 25772473 ...elements and combined it with a variety of reporters (i.e. eGFP) and effectors (i.e. DREADDs). The team ...Bacillus subtilis libraries with Addgene – the B. subtilis Single Gene Deletion Library—Kanamycin and the...their useful reagents shared via Addgene. Narayan S, et al. Cell Reports. 2017. PubMed PMID: 28813671 ...
  19. Hot Plasmids September 2018 - Optogenetics, RNA Localization, Fluorescent Protein, and Base-editing Tools

    Type
    Blog Post
    ...ACE) in real-time. The reporter constitutively expresses eGFP to indicate reporter abundance, and mCherry...quantifying multiple gene editing activities. Click here to find the ACE reporter plasmid! Martin et al...and N177F mutations). Its excitation maximum is reported as 603 nm, while the emission maximum is 675 nm... ACE system: A versatile in vivo fluorescent reporter for rapid quantification of base-editing and Cas9...editing tools, the Reuben Harris lab has deposited a reporter plasmid that allows for rapid fluorescence-based... out a frame-shift mutation within the mCherry reporter. Quantification of editing efficiencies simply...containing rat APOBEC1. Finally, they show that the ACE reporter can also quantify Cas9 cleavage, thus exhibiting...
  20. Zebrafish Plasmid Collection

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    Collection
    ...zebrafish gene of interest? Search Addgene's collection for plasmids that contain a zebrafish gene or sequence...control of gene expression in zebrafish using red light. LipoGlo - Steven Farber Lab. A reporter system that...zebrafish-specific gene expression database that provides information about when genes are active in developing...developing embryos. zfRegeneration - A database for gene expression profiling during regeneration. Seurat - R ...-type specific conditional gene inactivation - Jeffrey Essner Lab GeneWeld Vectors for Targeted Integration...ranging from optogenetics to tools for studying diseases, are listed below: Lipid droplet reporters - Richard... finger nucleases, TALENS, and CRISPR/Cas9-based gene editing make the zebrafish a stalwart research model...
Showing: 101 - 120 of 148 results