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Showing: 81 - 100 of 110 results
  1. Tips for a 1st Time CRISPR User (by a 1st Time CRISPR User)

    Type
    Blog Post
    Published
    March 7, 2017, 3:30 p.m.
    ...expressing Cas9 via transduction with Cas9 lentiviral vector, lentiCas9-Blast (52962-LV, Figure 1). Some...lentiCas9-Blast (Plasmid #52962) was a gift from Feng Zhang and is described in Improved vectors and genome-...BRDN0000561167) (Plasmid #80034) and BRAF gRNAs (BRDN0001145345 and BRDN0001146266) (Plasmid #76479 and #76480...performing and analyzing a gene edit using Addgene’s lentiviral CRISPR tools. Schematic overview of CRISPR...viruses, but you can find a list of validated gRNA plasmids on our website. There are a few reasons to target... PubMed Central PMCID: PMC4486245.2. pXPR_011 (Plasmid #59702) was a gift from John Doench & David Root...Lines with Lentivirus Isolating a Monoclonal Cell Population by Limiting Dilution Lentivirus Production...
  2. Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus

    Type
    Blog Post
    Published
    Sept. 1, 2020, 1:15 p.m.
    ...roughly half the packaging limits of lentiviral and adenoviral vectors. While many transgene will fit within... overviews of three split vector strategies plus one additional split vector strategy for increasing the...homology directed repairs (HDR). Split AAV vector approaches Split vector approaches increase the size of the...copies of both vectors. Examples of use: Halbert et al., 2002 used an overlapping vector with 440 or 1000bp... hybrid vector, as measured by β-galactosidase activity, was 81% of that from a single vector, but significantly...ideal split vector system. Overall the efficiency of transgene expression from split vectors has been inconsistent..., Duan D (2008) A Hybrid Vector System Expands Adeno-associated Viral Vector Packaging Capacity in a Transgene-independent...
  3. Hot Plasmids: Winter 2025

    Type
    Blog Post
    Published
    March 11, 2025, 1:15 p.m.
    ...of the new plasmids, antibodies, and viral preps in the repository through our Hot Plasmids articles.  ...ONE vector G-protein Optical (ONE-GO) biosensors (Janicot and Maziarz et al., 2024). Each plasmid expresses...biosensor in optimal proportions from a vector backbone that allows lentiviral packaging as a single payload (...selectivity. With 10 plasmids available as a kit, plus 21 optional accessory plasmids, the collection targets...precise plant breeding. Find dicot prime editing plasmids here! Vu, T. V., Nguyen, N. T., Kim, J., Song... proteins for mammalian cell expression. These plasmids will be useful not only for future studies of ...proteins of interest too! Find CLIP, CLAP, and SNAP plasmids here! Smith, E.R., Turner, E.D., Abdelhamid, ...
  4. Single-cell tracking of lineage and identity with CellTag

    Type
    Blog Post
    Published
    May 9, 2019, 1:15 p.m.
    ...cell page Find plasmids for reprogramming and differentiation Check out our lentivirus guide Sign up to...single-cell level with CellTag CellTagging is a lentiviral based tagging method that labels cells with heritable... to receive our Viral Vectors 101 eBook ...
  5. Reagent Repositories Are Speeding up Science During the Pandemic

    Type
    Blog Post
    Published
    Aug. 4, 2020, 1:15 p.m.
    ... study of SARS-CoV-2 are the lentiviral production and packaging vectors VSV-G and psPAX2, which were ...these plasmids from Addgene. This publication then resulted in the development of a new plasmid, pCMV14...continue having access to plasmids during the COVID-19 pandemic. Over 7,000 plasmids for COVID-19 research...work to share plasmids to all scientists Resources on Addgene.org Find COVID-19 plasmids at Addgene Browse...Biological repositories that distribute mouse strains, plasmids, cell lines, and much more have been critical ...science is truly a global endeavor. Case study 2: Plasmids Another example of reagents that have broad applications...requested from Addgene. Figure 2: Total COVID-19 plasmids requested from Addgene from March 23, 2020 to ...
  6. Supporting Rare Disease Research with the 2020 BeHEARD Awards

    Type
    Blog Post
    Published
    Sept. 8, 2020, 2 p.m.
    ...women with TS (Trolle et al., 2016). Using lentiviral vectors from Addgene, the lab will express these ... with the Rare Genomics Institute by providing plasmid-based tools for rare disease research. Congratulations...highlight their research and how they will use plasmids and viral preps from Addgene to further their ...BeHeard award, the ACD will use Addgene’s RESOLUTE plasmid collection to perform a functional screen in mammalian...therapeutic development,” says Iyer. Since the RESOLUTE plasmid collection consists of human and murine solute ...contraction defects. The lab also plans to use CRISPR plasmids to generate deletions of candidate genes in euploid...research questions,” Hébert says. In the spirit of plasmid sharing and open science, Hébert plans on building...
  7. Plasmids 101: Modular Cloning Applications and Kits

    Type
    Blog Post
    Published
    May 14, 2024, 1:15 p.m.
    ...Fragmid system was used to assess how different lentiviral plasmid backbone elements impact viral titer and ...kit has a focus on infrastructure with shuttle vectors, several delivery systems which can be engineered...engineered into the TUs, and even viral gene silencing vectors. The Plant Parts III kit has a focus on transformation...between CRISPR components expressed from different plasmid backbones. They noted that backbone differences... as the order, or distance in the placement of plasmid elements can impact expression levels and consequently...plants, and animals (Chiasson et al., 2019). Many plasmid elements such as promoters or fluorophores are ...Gantner, Johannes, et al. “Peripheral Infrastructure Vectors and an Extended Set of Plant Parts for the Modular...
  8. Starter Guide to induced Pluripotent Stem Cells (iPSCs) Part 2:  Reprogramming and Transdifferentiation

    Type
    Blog Post
    Published
    Nov. 6, 2018, 1:12 p.m.
    ...Differentiate the Stem Cell Field Learn how lentiviral vectors can be used for gene delivery Resources ...our Stem Cell Pages Find Viral Vectors for Your Research Find Plasmids from the Yamanaka Lab ...include retrovirus [2], lentivirus [4], adenovirus [5], Sendai virus [6], plasmid electroporation (episomal... [7, 8] and mRNA transfection [9]. Many of the plasmids used for these methods can be found on Addgene...Neurons [32, 33, 34] You can find a variety of plasmids for differentiation here. Transdifferentiation...and in vitro methods are similar except that the vectors carrying the transdifferentiation factors are directly... (iPSCs) by temperature-sensitive Sendai virus vectors. Proc Natl Acad Sci U S A, 2011. 108(34): p. 14234...
  9. Giving gRNAs a Facelift - Synthetic and Beyond

    Type
    Blog Post
    Published
    Oct. 20, 2022, 1:15 p.m.
    ...-to-use viral preps of select CRISPR lentiviral plasmids Additional resources on the Addgene Blog  How....org  View Addgene's collection of empty gRNA vectors View Addgene's CRISPR resources Request ready-to-use...
  10. Making CRISPR Plasmids Using Fragmid

    Type
    Blog Post
    Published
    Aug. 29, 2024, 1:15 p.m.
    ...modular vector assembly process designed for a quick, plug-and-play approach to cloning CRISPR vectors (McGee...for each module, generate the vector file, and quickly clone their vector of interest. And it truly is ...destination vectors for various delivery methods, along with compatible inserts. All destination vectors contain...heavy lifting out of CRISPR vector design, making it easier to get the vectors that are just right for your...restriction digest, and then plasmid sequencing if you can. To quote Doench, “Whole plasmid sequencing is just ...correctly banded clones for plasmid sequencing and found 98% of the plasmids were perfectly correct. Because...least one plasmid was the correct sequence for every individual assembly. What destination vectors are available...
  11. CRISPR Between the Genes: How to Experiment with Enhancers and Epigenomics

    Type
    Blog Post
    Published
    Aug. 9, 2016, 2:30 p.m.
    ...millions of embryonic stem cells (ESCs) with a lentiviral vector, an attenuated retrovirus in the same family...Genome Edit Resources on Addgene.org Find CRISPR Plasmids for Your Research Check out Our CRISPR Guide Find...family as HIV. By design, our lentivirii are genetically programmed to CRISPR out the enhancers we identified...cells. Remove this pillar and the ESC dies. Order Lentivirus from Addgene If you’re interested in designing...
  12. New Optogenetic Tools for Cytoskeleton and Membrane Control

    Type
    Blog Post
    Published
    Sept. 28, 2023, 1:15 p.m.
    ...katanin module, which are also available as lentiviral plasmids if you want to make a stable cell line. This...developing embryo is accessible for injection of plasmids and other materials.    Figure 3: Optogenetic...Guide or browse our collections of optogenetics plasmids – and keep an eye out for future updates to the...Additional resources on the Addgene blog Viral Vectors 101: Optogenetics Additional resources on Addgene.org...Addgene.org Optogenetics Guide Optogenetics Plasmids References Aljiboury, A. A., Ingram, E., Krishnan, N...
  13. Viral Vectors 101: Virus Safety

    Type
    Blog Post
    Published
    June 22, 2023, 1:15 p.m.
    ...transfer plasmid), the envelope (Env) gene on a separate plasmid (envelope plasmid), and the polymerase ...different plasmids. For a retroviral system this looks like the genetic cargo in one plasmid (the transfer...Gag structural protein on yet a third plasmid (packaging plasmid). Viral production then proceeds by transfection...Viral Plasmids Which Type of Virus Should I Use? Resources on the Addgene blog Viral Vectors 101: ... transfection of all three plasmids into a producer cell line, such as HEK-293T, production of viral particles... and Pol genes are not encoded in the transfer plasmid, the component that physically integrates into ... retroviral packaging components onto distinct plasmids for safety.    Viral cargo-specific safety...
  14. Viral Vectors 101: What is a Virus (and a Viral Vector)?

    Type
    Blog Post
    Published
    Aug. 18, 2023, 4:15 p.m.
    ...separate plasmids and expressed via cells cultured with the vectors. This allows the viral vectors to reproduce...Viral Vectors 101: Viral Applications Viral Vectors 101: Viruses as Biological Tools Viral Vectors 101:...create far safer viral vectors that can be used in BSL-1 or BSL-2 labs. Viral vectors are viruses that have...increase the viral vector’s carrying capacity. In order to allow the viral vectors to reproduce when experimentally...of Viral Vectors 101 posts about each type, so be sure to check our blog, or our Viral Vectors 101 eBook...: AAVs, lentivirus, gamma retrovirus, and adenovirus. And now that you know what viral vectors are, it...viral particle is called a virion. Finally, viral vectors, which are used in the lab, are distinct from viruses...
  15. Viral Vectors 101: Transductions

    Type
    Blog Post
    Published
    April 30, 2024, 1:15 p.m.
    ...Production at Addgene Viral Vectors 101: What is a Virus? Viral Vectors 101: Viral Vector Elements ..., a viral vector is selected to perform the transduction with: either retrovirus, lentivirus, adenovirus...desired DNA to be integrated can be cloned into the vector that you have selected. The nucleic acid will be...produced, and viral particles are packaged, when the vector is expressed. Once the design and construction ... it’s time to make virus! The constructed viral vector containing the cargo of interest is then typically...typically transfected along with viral packaging plasmids into a viral production cell line, usually HEK-293...-293 cells. When all of these viral plasmids are expressed within the production cell line, viral particles...
  16. AAV Vector Quality Control: Going the Extra Mile with NGS

    Type
    Blog Post
    Published
    Sept. 12, 2017, 1:44 p.m.
    ...DNA from the helper plasmids or the cell genome can be packaged inside the vectors during production. ...cell genome, bacterial genomes, cloning vectors, and helper plasmids (Chadeuf et al., 2005, Wright et al....blog Check out our Viral Vectors Featured Topic Page Subscribe to Viral Vectors Blog Posts Learn How We...Ready-to-Use Lentivirus Browse Viral Plasmids ... of poor reagent quality. To make sure our AAV vectors are of the highest quality, we undertake a rigorous...To make sure that adeno-associated viral (AAV) vectors available at Addgene are suitable for in vivo studies...should you care about viral quality control? AAV vectors are produced by scientists - not robots. Unfortunately...
  17. Viral Vectors 101: Viral Applications

    Type
    Blog Post
    Published
    April 13, 2023, 1:15 p.m.
    ...Browse Our Viral Vector Pages Learn About Viral Vector Biosafety Deposit Your Viral Vectors ...We offer a variety of viral vectors, viral services and even a Viral Vectors eBook to get you started. ... terrains. They are, in fact, a choice delivery vector from basic science research all the way to clinical...sequence for degradation. Viral introduction of shRNA plasmids can induce gene-specific silencing temporarily... long-term, and even inducibly depending on the vector and virus. Viral CRISPR-Cas9 tools have been...interest, turning expression off permanently. Viral vectors can also be used to express proteins. Viral expression...of interest, and often a selectable marker. This vector can express your construct in target cells transiently...
  18. Viral Vectors 101: Biosensors

    Type
    Blog Post
    Published
    July 6, 2023, 1 p.m.
    ...engineered into viral vectors, so if you want to use them, you’ll need to use the vectors (or redesign the ...genetically encoded, and luckily, we have pre-designed plasmids for these systems! Ion sensors One common biosensor...we’ve got you covered with packaging plasmids! References and Resources References  Bhalla N., Jolly ...Biosensors Viral Service: Biosensor AAV Viral Vectors 101 eBook Resources on the Addgene blog An Overview...ready to deliver your sensor, whether you choose lentivirus, gamma retrovirus, or AAV as your vehicle, we...
  19. Viral Vectors 101: Producing Your rAAV

    Type
    Blog Post
    Published
    July 16, 2024, 1:15 p.m.
    ...packaging plasmids: the pHelper plasmid containing Ad E2A, E4, and VA RNA genes; and the pRepCap plasmid containing...with your transfer plasmid, carrying your gene of interest, and the two helper plasmids, commonly called...called “triple plasmid transfection” (Figure 1).    Figure 1: Overview of key steps of AAV production, iodixanol...you’ll need to determine the titer of your viral vector solution. A variety of titering methods have been...repeats (ITR). You should always have a high-quality plasmid standard and rAAV reference material of a known...before undergoing titering, to remove residual plasmid DNA carried over from the production process. For...about common AAV applications by reading our Viral Vectors 101 series!  This post was originally written by...
Showing: 81 - 100 of 110 results