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  1. Viral Production at Addgene

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    Blog Post
    ...for in our reported titers. Lentiviral vectors are titered using a lentiviral droplet digital PCR (ddPCR...protocols. Browse our AAV vector collection. Lentivirus Production Lentiviral preparations ("-LV” catalog...PCR against unique regions of the transfer plasmid.   Lentivirus resources Browse lentiviral preps... with viral vector manufacturing facilities, such as the University of Pennsylvania Vector Core. Transfections...Pennsylvania Vector Core. In general, titering is performed by the facility that produced the viral vector lot.... later, Cre-dependent GFP expression was detected with direct fluorescence. GFP was not detected in the...Empty vector particles can be identified after negative staining and appear darker than full vector particles...
  2. Hot Plasmids Spring 2024

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    Blog Post
    ... A cis-splicing vector served as positive control (cis-ctrl). v1, vector 1; v2, vector 2; BD, binding ...SARS-CoV-2 research New viral vector preps of Voltron2 voltage sensors AAV vectors for targeting microglia ...within the lentiviral 3’ long terminal repeats (LTR). The 3’ LTR is duplicated during lentiviral integration...incorporated in an AAV vector (Figure 5). Efficiency and specificity of these AAV vectors for microglia was...microglia The REVeRT Dual AAV Vector System Neurodegeneration Collection updates   Multiplexed perturbation ... pooled screens in human cells. Addgene offers vectors for CROPseq-multi using selection by Puromycin,...license. In this iteration, the size of the lentiviral insert was minimized to reduce recombination ...
  3. Empty Backbones - Choosing Your Perfect Plasmid Backbone

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    ...expression vector GFP Varies pMKO.1 GFP - Retroviral shRNA expression pLenti CMV GFP DEST -...compatible Y2H vector - BD pRPR1_gRNA_handle_RPR1t - gRNA expression empty vector pFA6a vectors - Epitope ...expression vector with N- or C-terminal HA tag pInducer20 - Tet-inducible HA-tagged lentiviral vector for ORF...pFastBac LIC vectors and pFastBac Dual LIC vectors for insect expression Fluorescent proteins (GFP, mCherry...into host genome pLenti CMV GFP DEST - Lentiviral Gateway destination vector for gene expression pLenti... - Tet-inducible lentiviral Gateway destination vector for gene expression Lentiviral backbones made by... Tet-inducible lentiviral shRNA expression pLKO.1 - TRC cloning vector - Lentiviral shRNA expression...
  4. Tips for a 1st Time CRISPR User (by a 1st Time CRISPR User)

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    Blog Post
    ...expressed GFP) that I couldn’t get a good image. You could probably also do Western blotting against GFP expression...from BRAF-edited and GFP-edited amplification products (BRAF-GFP duplex) and from GFP-edited amplification...expressing Cas9 via transduction with Cas9 lentiviral vector, lentiCas9-Blast (52962-LV, Figure 1). Some... for gene editing. A virus encoding GFP plus a gRNA targeting GFP (pXPR_011, 59702-LV) was used to assay... by the virally-delivered GFP gRNA, will edit out the virally-delivered GFP gene. So, cells with no Cas9...I thought I could see GFP expression with a fluorescence microscope, but the GFP expression was so low...amplification products (GFP-GFP duplex) as a control. 4. After optimizing the reaction and confirming the presence...
  5. Choosing Your Perfect Empty Backbone

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    Blog Post
    ...fusion protein. Mammalian vectors One of our most popular mammalian expression vectors, c-Flag pcDNA3, comes...will need accessory packaging vectors to generate the virus. Bacterial vectors This system is great for overexpressing...cases bacterial expression vectors are inducible (e.g. pBAD LIC cloning vector (8A)) and have an epitope...folding assays. Yeast vectors There are several types of yeast expression vectors. Consider your applications...shuttle vectors. You may prefer the more traditional approach of an autonomously replicating vector that ...conduct your custom experiment. Fly vectors The vast majority of fly vectors are based on p-element, random...studies involve using a reporter vector to tag YGOI with lacZ and/or GFP (e.g. pPD80_08) and following the...
  6. Scientists Map the SARS-CoV-2-Human Interaction Network

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    Blog Post
    ...one are in a pLVX vector background, so you can package them into lentiviral vectors if you need to. Additionally...Paris and New York. We want YOU to join the fight against coronavirus We are just at the beginning of understanding...next scientist joining in this worldwide fight against SARS-CoV-2. As we’ve all been affected in various...the viral protease, Nsp5. Our set also includes a GFP construct as a control. For easier portability, all...
  7. 22 Hot Plasmid Technologies from 2014

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    Blog Post
    ...dim GFPs The availability of the three dimensional structure of GFP, its brighter mutant S65T-GFP, and...and GFP shRNA. Mice carrying the R26DsRedR; CRUSH-GFP; and Nestin-Cre alleles showed efficient GFP knockdown... existing transposon and vector systems and creating an all-synthetic vector that included only the elements... into a destination vector in a predefined order. Finally, the destination vectors are used with Multisite... eight entry vectors can be used for each Multisite Gateway compatible destination vector for a maximum...deposited to Addgene, including lentiviral and AAV expression vectors for certain variants. Klapoetke...step, compatible Level 0 vectors are directionally assembled into a Level 1 vector creating a single transcriptional...
  8. Hot Plasmids: Spring 2025

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    Blog Post
    ...share our very own set of empty, HA-, and EGFP-expressing lentiviral backbones designed right here at Addgene... Addgene's own Lentiviral backbone plasmids here! Figure 2: Addgene cloned EGFP into pAG Lenti ...create pAG Lenti CMV HA-EGFP Puro (Addgene #236081), then generated lentiviral particles in HEK293T cells...tailored deactivation rates Addgene's own empty lentiviral backbones New recombinant antibodies for Glypicans...fusions for membrane display, they recommend the NGR vectors for most experiments. These new tools promise to... toolkit is the empty plasmid backbone: the DNA vector that contains everything needed to replicate inside...Addgene #12260). HeLa cells were infected with 96 h lentiviral supernatant and selected with puromycin. Puromycin-resistant...
  9. Delivery Methods for Generating iPSCs

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    Blog Post
    ... Cre-lox lentiviral vectors: This approach is the same as using a standard lentiviral vector, but transient...safe for clinical applications.     LentiviralLentiviral vectors infect dividing and nondividing cells...reprogramming vectors available from Addgene. Another drawback is that lentiviral vectors insert in different...so either a single polycistronic vector or multiple single-gene vectors can be used to package reprogramming...Non-integrating iPSC delivery methods Viral Vectors Adenovirus: Adenoviral vectors infect dividing and nondividing...Tet-inducible lentiviral expression of OSKM reprogramming factors: Mouse Expression Vectors Human Expression...Excisible Medium Medium Generates transgene-free and vector-free cells Genome integration Need to sequence...
  10. SARS-CoV-2 Pseudotyped Virus

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    ...2A-MCS-Hygro - Lentiviral vector expressing destabilized EGFP. Lenti-luciferase-P2A-Neo - Lentiviral reporter...activity are listed below: pBOBI-FLuc - Lentiviral reporter vector expressing firefly luciferase. pCMV-FLuc...Retroviral reporter vector expressing firefly luciferase. pHAGE-CMV-Luc2-IRES-ZsGreen-W - Lentiviral dual reporter...reporter vector expressing firefly luciferase and ZsGreen. NL4-3 mCherry Luciferase - Lentiviral dual reporter... Blog Posts Viral Vectors 101: Pseudotyping Antibody Neutralization Response Against Pseudoviruses Expressing...reporter vector expressing mCherry and firefly luciferase. pLentiEGFPdestablized - EFS-EGFPd2PEST-2A-MCS-Hygro...examples of each in Addgene's collection: HIV-based lentiviral particles Murine leukemia-based retroviral particles...
  11. 28 Hot Plasmid Technologies from 2015

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    Blog Post
    ...science.aaa3380 MuLE vectors for customized lentivirus production Finding a lentiviral vector backbone with ...gene (EGFP, iRFP, IFP1.4, puromycin, neomycin or luciferase) to create a final lentiviral vector containing...expression vector which gives close to 100% cloning efficiency and gene expression. The pUCXKT vector ensures...both the GFP and the RFP proteins in the nucleus. During the first round of translation, the GFP proteins...custom-cloned vectors in a Multisite Gateway reaction with a desired destination vector expressing a separate...containing up to 5 different elements. Lentiviral vectors constructed with the MuLE toolbox have been used...combinations of genetic elements in a single lentiviral vector provides a powerful tool to modify mammalian...
  12. Hot Plasmids February 2024

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    Blog Post
    ...neutralized by pre-existing antibodies against AAV9-based vectors (and vice versa), enabling repeat dosing...facilitates endosomal escape. Combining Cas9-PAGE with lentiviral sgRNA expression yielded editing of 80–90% in..., Myc and SV40 Nuclear Localization Signals, and GFP. B) Workflow to assess Cas9-PAGE editing with viral...developed an engineered adeno-associated virus (AAV) vector named AAV.CAP-Mac for non-invasive systemic gene...N.C., Goeden, N. et al. Adeno-associated viral vectors for functional intravenous gene transfer throughout...region VIII of AAV9-X1.1 to that of AAV1. This viral vector has brain endothelial cell-specific tropism, with...
  13. Kazuhiro Oka Lentiviral Vectors

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    ...Viral Vectors Lentivirus Oka Lab Lentiviral Vectors Baylor College of Medicine Gene Vector Core Lentiviral...series of lentiviral and adenoviral transfer vectors with Addgene. Lentiviral Transfer Vectors Within this...Lentiviral Vectors deposited by Kazuhiro Oka from the Baylor College of Medicine Gene Vector Core Viral...and Adenoviral Vectors You may also like... Lentiviral Guide Adenoviral Guide Viral Vector Plasmids and ...Addgene Blog: Your Lentiviral Plasmid FAQs Biosafety Resource Guide Lentiviral Transfer Vectors Adenoviral Vectors... Protocol Lentiviral Vector ID Purpose pCDH-EF1-DIO-copGFP 72253 Expresses copGFP under EF-1 promoter ...these transfer vectors and generating infectious virus. Protocol: Lentivirus Transfer Vector Production Protocol...
  14. Zhang Lab CRISPR Page

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    ...- #61427 are intended for lentivirus production : 61425 : lentiviral vector encoding dCAS9-VP64 with 2A... in two formats: 1 vector system - lentiCRISPR - sgRNA and SpCas9 together 2 vector system - lentiCas9...activator with 2A GFP 61423 : Expresses the MS2-P65-HSF1 activator helper complex with 2A GFP 61424 : sgRNA... 2A Blast resistance marker 61426 : lentiviral vector encoding the MS2-P65-HSF1 activator helper complex...Nature 2015). The dual vector system uses S. pyogenes Cas9 (SpCas9), using one vector to express SpCas9, ...(SapI)_hSyn-GFP-KASH-bGH (SpGuide acceptor). This is a AAV plasmid for sgRNA cloning. GFP-KASH fusion ...61408 : Targeting vector for the mouse Rosa26 locus; Used to make Cas9 knockin mouse Vectors for cancer modeling...
  15. 27 Hot Plasmids from 2016

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    Blog Post
    ...expression vectors with various promoters suitable for in vivo expression, and/or produce vectors to make...prototrophic strains. The vectors were based on the original EasyClone vectors (Jensen et al 2013) allow...CDC and cloned into a third generation lentiviral transfer vector. Each gene has been FLAG-tagged for convenient...donor vectors containing mAID and either Neo or Hygro resistance markers with CRISPR/Cas vectors targeting...with a library of sgRNA expression vectors (containing ten guides against each of the 8,158 predicted T. ...the authors packaged it into lentivirus and used the resulting lentiviral library to generate a population..., Hess et al. successfully evolved wild type GFP to EGFP using CRISPR-X and subsequent FACS sorting. They...
  16. Minigenomes - a Safe Way to Study Dangerous Viruses Like the Ebola Virus

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    Blog Post
    ...Addgene.org Browse Our Viral Vector Plasmids Read Our Lentiviral Vector Guide Read Our AAV Guide  ...of producing infectious virus (similar to lentiviral vectors) because they do not encode all of the necessary...separate plasmids), there are a few reasons arguing against this approach. First, this would prevent the study...on the Addgene Blog Read Other Posts on Viral Vectors Check out Our Scientist's Guide to Ebola Contribute... viral vector...non-viral) reporter gene (e.g. firefly luciferase or eGFP) flanked by the EBOV-specific gene start and gene...
  17. CRISPR Guide

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    ...pooled format into lentiviral transfer vectors (Figure 8B). Libraries come in 1-vector systems, in which...CRISPR libraries What Are Pooled Lentiviral CRISPR Libraries? Pooled lentiviral CRISPR libraries are a heterogeneous...heterogeneous population of lentiviral transfer vectors. In most cases, each plasmid contains an individual...Cas9-based genome engineering from a single lentiviral vector. Nucleic Acids Research , 42 (19), e147. PMID...8E). In a 2-vector system, you’ll need to either co-infect with a Cas9-producing lentivirus or use a Cas9...targeting in the double digits. These multiplex gRNA vectors can be used to knock out, activate, or repress ...multiplexing . Browse Plasmids: Multiplex gRNA Vectors Engineering the Cas9 Endonuclease CRISPR specificity...
  18. Molecular Biology Reference

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    Guide
    ...Commonly used cloning vectors include Gateway entry vectors and TOPO cloning vectors. If you are looking...combination of a DNA fragment with a plasmid or vector DNA backbone generates a recombinant DNA molecule...specifically engineered plasmids, commonly referred to as vectors, which have become possibly the most ubiquitous... within bacteria, while allowing for selection against any bacteria not carrying the plasmid. Additionally...out-populate bacteria with plasmids, thus selecting against the propagation of these plasmids through cell ...facilitate the cloning of DNA fragments. Cloning vectors tend to be very simple, often containing only a...expression (for the purposes of gene study). Expression vectors must contain a promoter sequence, a transcription...
  19. CRISPR Guide

    Type
    Guide
    ...pooled format into lentiviral transfer vectors (Figure 8B). Libraries come in 1-vector systems, in which...CRISPR libraries What Are Pooled Lentiviral CRISPR Libraries? Pooled lentiviral CRISPR libraries are a heterogeneous...heterogeneous population of lentiviral transfer vectors. In most cases, each plasmid contains an individual...Cas9-based genome engineering from a single lentiviral vector. Nucleic Acids Research , 42 (19), e147. PMID...8E). In a 2-vector system, you’ll need to either co-infect with a Cas9-producing lentivirus or use a Cas9...targeting in the double digits. These multiplex gRNA vectors can be used to knock out, activate, or repress ...multiplexing . Browse Plasmids: Multiplex gRNA Vectors Engineering the Cas9 Endonuclease CRISPR specificity...
Showing: 1 - 19 of 19 results