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We narrowed to 466 results for: cat.3

Showing: 361 - 380 of 466 results

  1. Viral Vectors 101: Viruses as Biological Tools

    Type
    Blog Post
    Published
    March 21, 2023, 1:15 p.m.
    ...PubMed PMID: 1631159. PubMed Central PMCID: PMC49545. 3. Coffin J, Hughes S, Varmus H. Retroviruses. Cold ...enough to ensure the virus can replicate and spread. Instead, viruses replicate by hijacking the host’s system...low immunogenicity which makes them ideal for applications with whole organisms. Finally, viral delivery...delivery is typically straightforward across applications, while electroporation of a human, for example, isn...people in nature, extra safety measures, like replication incompetent viral particles, are required. We... (~4.5kb From basic science to clinical applications, viruses are true bench to bedside tools. Keep...our upcoming blogs on virus safety and viral applications to help you start (safely!) thinking about the...

  2. Hot Plasmids - February 2022

    Type
    Blog Post
    Published
    Feb. 22, 2022, 2:15 p.m.
    ...students new to protein expression and purification. Figure 3: The Penn State Ladder run on SDS-Page...editing applications.  Figure 4: Overview of CasMINI for genome engineering applications. Image ...stability in cells, and use it in a variety of applications. This set of new anti-FLAG frankebodies includes...to FLAG-tag H2B for nuclear localization. (c) Applications of anti-FLAG-FB-GFP labeling various targets... and anti-HA frankenbodies have a variety of applications, including live-cell imaging, single-molecule...challenges for in vivo delivery and cell engineering applications. CasMINI, a new miniature CRISPR-Cas system ...

  3. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

    Type
    Blog Post
    Published
    March 3, 2020, 2:15 p.m.
    ...synthetic biology tools for cyanobacteria. Figure 3: Assembly of plasmids using the Cyanogate Kit and ...voltage indicator Article contributed by Shreya Vedantam Genetically encoded voltage indicators (GEVIs)...fluorescent optics. Existing red fluorescent voltage indicators, however, fall short compared to GFP-based sensors...linker between them. The Ace-mScarlet voltage indicator works like many FRET-opsin GEVIs. With an increase...channelrhodopsins. Find the Ace-mScarlet voltage indicator plasmids at Addgene! Beck et al., Sci Report 2019...increasingly been recognized for its biotechnological applications including conversion of CO2 into water and electrical...the N-terminus of Cre (CreN) are fused to the truncated Phytochrome B (PhyBΔ) and the active protein binding...

  4. Reagent Repositories Are Speeding up Science During the Pandemic

    Type
    Blog Post
    Published
    Aug. 4, 2020, 1:15 p.m.
    ...Addgene's COVID-19 plasmids and resources! Case study 3: Mouse strains Reagents developed during the SARS-...tropism, replication kinetics, and cell damage profiling of SARS-CoV-2 and SARS-CoV with implications for ... Another example of reagents that have broad applications but have proven useful to the study of SARS-...vectors VSV-G and psPAX2, which were used in a publication by Xiuyuan Ou, et al. that characterized the ... requested these plasmids from Addgene. This publication then resulted in the development of a new plasmid...production and distribution is possible due to the dedicated facilities and manpower that a repository provides...

  5. Addgene's Tips for Plasmid Quality Control

    Type
    Blog Post
    Published
    Jan. 14, 2016, 3:30 p.m.
    ...the insert is large, we may only check the 5’ and 3’ ends to verify that the sequence assembly and identity...digital notebook and make sure you note the freezer location of every plasmid in your collection. Use one of...access and use the materials they need, and avoid duplicating your effort. In addition, if you should choose... important step in ensuring quality, as it will catch any errors made during the cloning, sample handling... for more tips on sequence analysis, plasmid verification, and using NCBI BLAST. Tips for high-throughput...result against the expected sequence for quick verification, which can be done through the align tab of ... plasmid verification...

  6. Why and how to start studying chromatin (with Addgene's help)

    Type
    Blog Post
    Published
    June 12, 2018, 11:40 a.m.
    ... The DNA packed into our chromosomes is very much 3-dimensional, as you can see by this post’s chromatin...transcription, or DNA repair, or replication, or any number of CRISPR applications and thought “OK, but how does...pages containing lists of plasmids from the indicated publications. You can request all of these plasmids ...below pull up lists of plasmids containing the indicated gene, and you can subscribe to these pages to ...

  7. Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering

    Type
    Blog Post
    Published
    May 3, 2018, 1:48 p.m.
    ... dementia-associated tau, delivering dCasRx and a 3-spacer array targeting the MAPT exon 10 splice acceptor...for pre-clinical and clinical applications of dCasRx. The identification of Type VI Cas13d enzymes is ...RspCas13d. RspWYL1 also increased EsCas13d activity, indicating that WYL domain-containing proteins may be broader...even when guides were tiled across a target RNA, indicating that this enzyme does not cleave at a predictable...target essentially any RNA in a cell. Since catalytically dead dCasRx maintains its RNA-binding properties...

  8. Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity

    Type
    Blog Post
    Published
    Nov. 5, 2019, 1:28 p.m.
    ...spCas9 from Streptococcus pyogenes, this sequence is 3’-NGG. But Cas9s found in other species can recognize...to generate a genomic alteration at a specific location, it must be accessible by Cas9. Our previous blog...off-target activity, which may be undesirable in many applications. At the time of our first blog post on choosing...CRISPR-Cas9 to increase its specificity." Nature communications 9.1 (2018): 3048. PubMed PMID: 30082838. PubMed...CRISPR-Cas12b for human genome editing." Nature communications 10.1 (2019): 212. PubMed PMID: 30670702. PubMed...

  9. Hot Plasmids - June 2019 - Optogenetics, Acoustic Reporter Genes, microRNAs, and the CRISPR-Cas9 system CHIME

    Type
    Blog Post
    Published
    June 6, 2019, 12:41 p.m.
    ...transfection. The other (mKate2) is regulated in the 3’ UTR by four miRNA target sites and thereby serves...change depending on the location. Current methods for visualizing the location and function of microbes...that undergo light-induced dimerization. Upon application of blue light, iLID undergoes a conformational...discovered in 2014 that these gas vesicle proteins scatter sound waves and create ultrasound contrast. At ...

  10. Hot Plasmids - May 2022

    Type
    Blog Post
    Published
    May 26, 2022, 1:15 p.m.
    ...sequences more efficient and less risky.   Fig. 3: Development of a cleavage-free dCas9-based gene editor...of interest and, for in vivo work, generate a dedicated transgenic line. Using zebrafish as a model organism...off-target mutations. These plasmids contain catalytically inactive dCas9 and microbial SSAPs (dCas9-SSAP...clonal multiplexing of cells in live imaging application. Each visual barcode consists of a fluorescent...transcription response element (TRE) or kinase translocation reporters (KTRs). Find visual barcode plasmids...

  11. Top Requested Lentivirus and AAV of 2016

    Type
    Blog Post
    Published
    Jan. 6, 2017, 3:56 p.m.
    ...PMID: 21364278. PubMed Central PMCID: PMC3069789. 3. Kügler S, Kilic E, Bähr M. Human synapsin 1 gene ... preps. Cas9 is the headliner of most CRISPR applications and can be expressed from your cell line of ...Find Ready-to-Use Lentivirus Find Ready-to-Use AAV Catch up on Chemogenetics ...

  12. All in a Twist: dsRNA

    Type
    Blog Post
    Published
    Feb. 2, 2023, 2:15 p.m.
    ...ssRNA engaging one strand of a dsDNA molecule; the 3-stranded structure produced is known as an R-loop....generate dsRNA as part of their infection and/or replication process within the host. dsRNA viruses are inherently...generate dsRNA intermediates as part of the viral replication process. dsDNA viruses yield dsRNA through a ...

  13. Working with Nuclear Receptors

    Type
    Blog Post
    Published
    July 15, 2014, 4:03 p.m.
    ....  For example, the phosphorylation status of SRC-3 defines its association with other members of the ...murine members. NRs permit the integration and communication of such signals between central and peripheral...macrophage activation. Our mass spectrometry-affinity purification proteomic profiling of coregulators in HeLa ...

  14. 27 Hot Plasmids from 2016

    Type
    Blog Post
    Published
    Dec. 22, 2016, 3:03 p.m.
    ...and complete screening in just 3 days? Thanks to Tyler Jacks’ lab, this 3-day goal is is now attainable...construction of a so-called “genomically recoded organism” (3) but its portability to other bacterial strains remains... the assembly of TALE repeats into a single-tube, 3 day process by utilizing pre-assembled trimers to ...FAIRE-seq, and CHIP-seq), genome-wide identification and quantification of enhancer activity have remained...compartments (cytosol, Addgene catalog #71245; mitochondria, Addgene catalog #71247) Rosella provides an ...CpG methylation by fusing catalytically inactive Cas9 (dCas9) with the catalytic domain from DNA methyltransferase...  Superglue proteins with SpyTag/SpyCatcher and SnoopTag/SnoopCatcher The development of recombinant DNA...

  16. Troubleshooting Your Plasmid Cloning Experiment

    Type
    Blog Post
    Published
    Sept. 24, 2019, 12:55 p.m.
    ...10) and grow them in a small culture volume (2 or 3 ml) containing the corresponding antibiotic, extract...constructs. His work was acknowledged in hundreds of publications including Cell, Nature, and other journals. ...

  17. Viral Vectors 101: Inverted Terminal Repeats

    Type
    Blog Post
    Published
    Oct. 19, 2023, 1:15 p.m.
    ...in Vector Transgene Expression. Hum Gene Ther, 31(3–4), 151–162. https://doi.org/10.1089/hum.2019.274.... ITRs serve as the origin of replication and are required for replication, packaging, and vector persistence...viral rep (replication) and cap (capsid) proteins, which bind to the ITRs and initiate replication. ITRs are...structures, ITRs are prone to replication errors and disruptive mutations and truncations that can make vector ...binding site for Rep78 and Rep68 to initiate replication and a terminal resolution site that serves as...are noted. Created with biorender.com. ITR modifications and types  Since ITRs are one of the most important...important elements of AAV and rAAV vectors, modifications can affect gene transfer efficiency and transgene...

  18. Antibodies 101: Affinity Reagents

    Type
    Blog Post
    Published
    April 14, 2022, 1:15 p.m.
    ...ankyrin repeat proteins. DARPins typically consist of 3-4 repeats, have high specificity and binding affinity...re used in a number of research and clinical applications. Most of the time, when someone speaks about...deeper penetration into a tissue, useful for applications like IHC, or be able to access an epitope folded...that would size-exclude an antibody. In imaging applications, smaller affinity reagents means higher resolution...antibody’s ‘Y’. They are often used in clinical applications. Fab fragments can be created in lab in situations...Shahied, 2004). They are often used for clinical applications, including imaging.  Diabodies are ~60 kDa proteins...antibodies are still an excellent option for many applications, and frankly, if ain't broke, don't fix it!  ...

  19. Plasmids for Endogenous Gene Tagging in Human Cells

    Type
    Blog Post
    Published
    April 6, 2017, 1:02 p.m.
    ...enter the cells so they can go to work. Figure 3: Inducing the double strand break and introducing ...visit the Cell Catalog on the Allen Cell Explorer, where you can also find the certificate of analysis provided...signal that makes it hard to visualize the precise location of the protein or structure of interest. Endogenous...technology, inserting large tags into a precise location in the genome is still inefficient, particularly...from these cell lines can be found in the Cell Catalog on our data portal. The plasmids should be functional...

  20. Antibodies 101: Conjugation

    Type
    Blog Post
    Published
    March 26, 2024, 1:15 p.m.
    ...chains. 3) Endogenous carbohydrates added to antibodies post-translationally. 4) Modifications made to...These properties allow for efficient signal amplification, making biotin conjugated antibodies good options...especially if you start to consider clinical applications). But there are a few other classes that we ...proximity ligation, immuno-PCR, and single-cell applications (Hegazy, et al., 2020; Niemeyer, et al., 2007...also conjugate antibodies directly to beads for purification purposes.  Coupling up - antibody conjugation...Detecting Protein-Protein Interactions and Protein Modifications in Cells and Tissues in Situ. Curr Protoc Cell...
Showing: 361 - 380 of 466 results