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We narrowed to 294 results for: expression vector

Showing: 101 - 120 of 294 results

  1. New and Upcoming Viral Vectors - December 2019

    Type
    Blog Post
    Published
    Dec. 19, 2019, 2:40 p.m.
    ...pAAV.hSynapsin.SF-iGluSnFR.A184S Viral vectors coming soon! These vectors should be packaged and available ... of our viral vectors blog posts Find tips for preparing AAVs Download our viral vectors 101 eBook Resources...new tools to our inventory of ready-to-use viral vectors. Here are some of the AAV we have released in the...only interpret their results, but also confirm expression in target cells. While the various AAV serotypes... can be used to achieve different patterns of expression, researchers often need to determine these transduction...under control of the CAG promoter for ubiquitous expression. (For more details on this technology, see our...

  2. New Neuroscience Tool: The iGluSnFR3 Glutamate Sensor

    Type
    Blog Post
    Published
    April 7, 2022, 1:15 p.m.
    ...systems you can use to express the iGluSnFR3 variants: pRSET: Bacterial expression vector, use with IPTG induction... expression. CAG-FLEX: CAG promoter, FLEXed for expression in Cre-expressing cells hSynap: Human Synapsin...neuronal expression. hSynap-FLEX: Synapsin-1 promoter, FLEXed for expression in Cre-expressing cells. hSynap-FLP...transmembrane domain in the mammalian expression pMinDisplay vector. GPI contains a C-terminal glycosylphostidylinositol...FLP-dependent expression GFAP: Glial fibrillary acidic protein (promoter). Good for Glial expression (not neurons...SF-iGluSnFR. This improved variant has higher expression levels in bacteria and produces stronger fluorescent...dynamic range, photostability, quantum yield, and expression. Create yellow (v82) and lime green (v857) variants...

  3. Plasmids 101: Blue-white Screening

    Type
    Blog Post
    Published
    June 4, 2015, 1:03 p.m.
    ...operon repressor, thereby allowing lac expression). When expressed, the β-galactosidase enzyme can break... methods. Positive selection vectors encode a gene which, when expressed, is lethal to the cell. Cloning...screening overview blog post.) *Note: Two Popular Vectors for Blue White Screening Available at Addgene Are... that encodes for the enzyme β-galactosidase. Expression of the lac operon is induced by lactose, and ... plasmid, creating an α-complementation cloning vector. When a cloning reaction goes to plan and your ...enough time for any intact β-galactosidase to be expressed and process x-gal into blue pigment (16-20 hours...pUC18 and pUC19, and pBluescript are a few common vectors. Blue-white screening is just that – a screening...

  4. New and Upcoming Viral Vectors - Spring 2019

    Type
    Blog Post
    Published
    March 26, 2019, 1:40 p.m.
    ...restricts expression to GABAergic interneurons. These vectors can also be used as the control vectors for experiments...and control AAV These fluorescent protein expression vectors can be used to visualize cells and to quantify...pAAV-hSyn-mCherry at Addgene. Viral vectors coming soon! These vectors listed below should be released at... of our viral vectors blog posts Find tips for preparing AAVs Download our viral vectors 101 eBook Resources...new tools to our inventory of ready-to-use viral vectors. Here are some of the AAV we have released so far...for order please email [email protected] with the vector name and serotype you’d like to be notified about...

  5. Quickest Way to Deposit Plasmids: The Deposit Spreadsheet

    Type
    Blog Post
    Published
    March 8, 2017, 3:15 p.m.
    ...luciferase, cre/lox, yeast expression, worm expression, insect expression, plant expression, mouse targeting, ...biosensor affinity for calcium.”  Primary Vector Type The vector type should describe how your plasmid ...to be used. Choose from: mammalian expression, bacterial expression, lentiviral, retroviral, AAV, RNAi...indicate type in “Vector Type Other” column. For example, you may enter “donor template vector”. Cloning...plasmids containing the ccdB gene, such as Gateway vectors, choose the ccdB Survival strain. For plasmids ...

  6. Plasmids 101: Modular Cloning Applications and Kits

    Type
    Blog Post
    Published
    May 14, 2024, 1:15 p.m.
    ...conditional gene expression, multiplexed CRISPR, and chromosomal integration of larger expression cassettes ...chromosomal integration and gene expression, the system includes a toolkit to express recombinant proteins within...the Rapid Design and Production of Diverse Expression Vectors.” ACS Synthetic Biology, vol. 6, no. 7, American... tools can be used in bacterial and cell-free expression systems, mammalian cells, yeast, flies, and even...from individual transcription units (TUs) used to express your favorite gene-of-interest, all the way to ...with E. coli and/or cell-free systems. Protein expression in yeast MoClo is also for eukaryotes! The technology...has been used to optimize protein secretion and expression in the biotech workhorse yeast — K. phaffii (...

  7. Synthetic promoter AAVs for cell-type specific expression in retinal cells

    Type
    Blog Post
    Published
    March 12, 2020, 1:15 p.m.
    ...to test for cell type-specific expression of GFP. Half (113) expressed in retinal cells four weeks post-injection...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. ...promoter to drive expression of Cre-mCherry and a second promoter to drive expression of a Cre-dependent... reporter. Expression of GFP will only result in cells where Cre-mCherry is also expressed. If Cre-mCherry...Cre-mCherry expresses in photoreceptors and horizontal cells, and Cre-dependent-GFP expresses in horizontal...

  8. New Viral Vectors - March 2024

    Type
    Blog Post
    Published
    March 5, 2024, 2:15 p.m.
    ...as seven vectors newly available in the AAV PHP.eB serotype. We've also added two viral vectors that can...these new vectors, and many more, in the table below.    Table 1: New ready-to-use viral vectors in the ...St-Pierre New viral vector pAAV-hSyn-JEDI-2P-WPRE AAV9 Biosensor St-Pierre New viral vector pAAV-CAG-RdLight1... Tian New viral vector pAAV-hSynapsin1-RdLight1 AAV9 Biosensor Tian New viral vector pAAV_hSynapsin_psychLight2...viral vector pAAV-nEF-Con/Foff DREADD Gi-mCherry AAV8 Chemogenetics Deisseroth New viral vector pAAV.CMV.PI.EGFP.WPRE.bGH...What's new in Addgene's ready-to-use viral vectors repository? Quite a bit! In this post, we'll share...share the 21 additions we've made to our viral vectors repository this year (and it's only March!)  In our...

  9. Adeno Associated Virus (AAV) for Cell and Gene Therapy

    Type
    Blog Post
    Published
    Nov. 7, 2017, 1:59 p.m.
    ...makes AAV vectors especially amenable to correcting disease-associated mutations. AAV vectors maintain...control of gene expression and the selection of specific promoters may also help AAV vectors evade host immunity... Check out our Viral Vectors Featured Topic Page Learn about CRISPR-AAV vectors Learn about Addgene AAV...thereby correct the mutations using retroviral vectors. However, many diseases require techniques that...target cells has been challenging. A variety of vector delivery technologies have been investigated including...usability in clinical settings. On the other hand, vectors derived from AAV have recently gained popularity...profiles as well as other benefits. What makes AAV vectors great gene delivery tools? There are a variety ...

  10. Rabies and Neuronal Tracing

    Type
    Blog Post
    Published
    May 29, 2018, 1:51 p.m.
    ...Control Gene Expression with FLEx Vectors Resources on Addgene.org AAV Vector for TVA Expression AAV for ... TVA to Cre-expressing neurons in a transgenic mouse line. By doing this, RABV expressing the viral protein...to visualize how neurons are connected. Viral Vectors as Neuronal Tracers Due to their ability to efficiently...achieved by using EnvA-pseudotyped RABV, and only expressing the EnvA receptor (TVA) in user-defined cells...its surface will only infect Cre-positive, TVA-expressing cells (Osakada et al., 2013). Ultimately, this... genome, so viral progeny will not necessarily express EnvA unless it is supplied in trans. Monosynaptic...conjunction with restricted TVA and G protein expression is a powerful development in neural tracing. ...

  11. Plasmids 101: Golden Gate Cloning

    Type
    Blog Post
    Published
    Aug. 27, 2015, 2:30 p.m.
    ...one 30-minute reaction. The destination vector and entry vector(s) are placed in a single tube containing... create a single gRNA-expressing plasmid, but it can also be adapted to express multiple gRNAs. Addgene... appear in the final construct. The destination vector contains sites with complementary overhangs that...TGGA and 3’ overhang TCCG can be ligated into a vector containing those overhangs. Entry DNA overhangs...enzyme and ligase. Although the original destination vector + insert may spontaneously religate, this transient...efficiently clone up to 7 gRNAs into one destination vector, making multiplexing easy.  Disadvantages of Golden... step. If your genes of interest or destination vector contain multiple internal restriction sites that...

  12. Viral Vectors 101: Optogenetic Tools

    Type
    Blog Post
    Published
    June 27, 2023, 1:15 p.m.
    .../cells expressing the optogenetic tool causing a change in cellular activity or gene expression. Experimental...control everything from electrical activity to gene expression, and even CRISPR based gene editing. But, how...hyperpolarize the cell (Mattis et al., 2012). Bicistronic vectors combine excitation and inhibition by using both...confounding issues associated with heterologous expression of engineered receptors. OptoXRs are great for...candidates for your experiments.  Wavelengths Most vectors have an optimal wavelength to use but can be activated...

  13. Plasmids 101: Common Lab E. coli Strains

    Type
    Blog Post
    Published
    Nov. 7, 2014, 2:56 p.m.
    ...of Bacterial Expression Systems. Check out our companion post describing protein expression strains, where...lab strains designed for subcloning or protein expression. If you were to include customized strains, the...chaperonin gene Increases the stability of certain expressed proteins endA, endA1 Endonuclease I (nonspecific... clones   lacIq lac repressor overproduced, expression from pLac repressed more   LacZ β-galactosidase...transformation efficiency deoR constitutive expression of genes for deoxyribose synthesis Allows uptake...   TOP10 derivative. For propagating plasmids expressing the ccdB gene (important in Gateway cloning)....Streptomycin  HB101 derivative. For propagating plasmids expressing the ccdB gene (important in Gateway cloning)....

  14. The 10 Most Distributed Plasmid Technologies in Addgene's First 10 Years

    Type
    Blog Post
    Published
    Jan. 8, 2014, 3:10 p.m.
    ...backbones for shRNA expression, such as pLKO.1 puro and pLKO.1 – TRC cloning vector. Lentiviral Plasmids...requests grow for lentiviral packaging and expression vectors, including pMD2.G and psPAX2. Actually, these... Our first popular "kit," Andrew Fire's set of vectors for C. elegans research was our most requested ...empty backbones such as pBABE-puro for retroviral expression and pLVTHM, a lentiviral plasmid for mammalian...

  15. Viral Vectors 101: Producing Your rAAV

    Type
    Blog Post
    Published
    July 16, 2024, 1:15 p.m.
    ...Transgene Expression in Cultured Cells Using Unpurified Recombinant Adeno-Associated Viral Vectors [Preprint....  In this helper-free system, HEK293T cells, expressing Ad E1A and E1B, can be transfected with your ...you’ll need to determine the titer of your viral vector solution. A variety of titering methods have been...about common AAV applications by reading our Viral Vectors 101 series!  This post was originally written by...rapid and cost-effective manipulation of gene expression in the CNS. Molecular Neurodegeneration, 15(1...the Stability and Inactivation of AAV Serotype 1 Vectors. Human Gene Therapy Methods, 28(1), Article 1. ...(2021). Inactivation of Adeno-Associated Viral Vectors by Oxidant-Based Disinfectants. Human Gene Therapy...

  16. 15 Hot Plasmids from 2017

    Type
    Blog Post
    Published
    Jan. 9, 2018, 3:02 p.m.
    ...low off-target activity; mammalian expression vector Rees H, et al. Nature Communications. 2017. PubMed...and ribozyme systems for multiplex gRNA expression. Expression of toolkit components can be controlled...gene editing. The bacterial and mammalian expression vectors for these CRISPR inhibitors are listed in...Species Bacterial Expression Construct SpCas9 Inhibition (E. coli) Mammalian Expression Construct SpCas9...TagRFPt, EGFP, mVenus, mCerulean3, mKOFP2) and empty vectors that have standard cloning sites or gateway compatible...neuronal tools to the expanding gateway compatible vectors currently shared amongst the zebrafish community... (induced pluripotent stem cells) through the expression of transcription factors OCT3/4, SOX2, KLF4, ...

  17. Viral Vectors 101: AAV Serotypes and Tissue Tropism

    Type
    Blog Post
    Published
    Jan. 16, 2025, 3:42 p.m.
    ...Viral Vectors 101: An Introduction to AAV Viral Vectors 101: AAV Variables that Matter Viral Vectors 101...choice of AAV vector for your experimental system. AAV1 AAV1 was the first viral vector approved for gene...A viral vector that can target specific tissues, even when administered systemically, without causing...causing disease? Recombinant adeno-associated viral vectors, or rAAVs, can sound almost too good to be true...components. Created with BioRender.com. AAV vectors have both distinctive capsids and genomic structures...specific cells. This protein shell packages the vector’s genetic material, and variations between serotypes...target species or even strains. Pro tip! Getting a vector into a particular cell type depends largely on ...

  18. Tips for arabidopsis transformation

    Type
    Blog Post
    Published
    Oct. 25, 2018, 1:23 p.m.
    ...Addgene  Choosing an expression system Choosing an appropriate expression vector is the first step in .... (2007) ‘Improved Gateway Binary Vectors: High-Performance Vectors for Creation of Fusion Constructs ...from the Tsuyoshi Nakagawa lab are binary gateway vectors and can be used for promoter swapping and generating...for visual selection of transformants based on expression of RFP in the seed (Emami, Yee and Dinneny, 2013...many insertions can cause artifacts from over-expression and it is likely that such a construct will be... ‘A robust family of Golden Gate Agrobacterium vectors for plant synthetic biology’, Frontiers in Plant...sweet potato contains Agrobacterium T-DNAs with expressed genes: An example of a naturally transgenic food...

  19. Plasmids 101: Terminators and PolyA signals

    Type
    Blog Post
    Published
    March 31, 2016, 2:30 p.m.
    ... terminator will suffice. Many commercial expression vectors use double terminators to reduce unwanted...Regulatory Element Enhances Expression of Transgenes  Delivered by Retroviral Vectors. Journal of Virology. ...Plasmids designed to express genes in a given host cell type are generally broken down into two broad...on promoter strength as a determinant of gene expression levels, the terminator also plays an important...variability in RNA half-life, and ultimately gene-expression. Polyadenylation is the post-transcriptional ...terminators are not usually employed in plasmid-based expression systems, so these will not be detailed here, ...provided at the end.  Nearly all common bacterial expression plasmids use Rho-independent terminators, which...

  20. Technique: Probe Phage Genomes for Host Binding Proteins

    Type
    Blog Post
    Published
    Sept. 29, 2016, 2:30 p.m.
    ...point for this experiment. Find Bacterial Expression Vectors in the FX Cloning System Kit  Step 3: Probe...Clone Your Gene of Interest Into a Variety of Expression Vectors Deposit Your Microbiology Plasmids ...ligate into a bluntly digested vector designed for protein overexpression in E. coli, such as pET30a. If...homology-based searches return no candidates. Our strategy: Express random fragments of the phage genome and probe ...primers bordering the multiple cloning site of the vector. In order to reduce the chances of some clones ...plate) across 20 fresh selective plates. Step 2: Express random phage DNA fragments in E. coli Now that ...and exposed to IPTG in order to induce protein expression. Cells on the membranes will then be exposed ...
Showing: 101 - 120 of 294 results