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Addgene
Showing: 241 - 260 of 274 results
  1. Transferable Skills Guide: Teamwork

    Type
    Blog Post
    Published
    Nov. 28, 2017, 2 p.m.
    ...course, many types of teams. Some teams may be relatively permanent; some teams may only need to exist ... my senior year isolating pheromones from various C. elegans mutants by myself, I would have slowly gone...
  2. Plasmids 101: Terminators and PolyA signals

    Type
    Blog Post
    Published
    March 31, 2016, 2:30 p.m.
    ... PubMed Central PMCID: PMC3622210. Schek N, Cooke C, Alwine JC. Definition of the upstream efficiency ... (such as a gene) and initiate the process of releasing the newly synthesized RNA from the transcription... is also known as intrinsic termination, and it relies on the formation of a GC-rich hairpin in the RNA...terminates differently. Polymerase III, for example, relies on a specific sequence and RNA secondary structure...downstream GU-rich region (shown in the figure below) releases the mRNA from the polymerase and creates a free...
  3. Antibodies 101: Conjugation

    Type
    Blog Post
    Published
    March 26, 2024, 1:15 p.m.
    ...doi.org/10.1038/nprot.2007.267 Stoeckius M, Hafemeister C, Stephenson W, et al (2017) Simultaneous epitope and... involve modifying the antibody sequence or that rely on strong protein-protein interactions with other...
  4. Plasmids 101: FLEx Vectors

    Type
    Blog Post
    Published
    April 28, 2016, 2:30 p.m.
    ...genOway press release for more information. References: 1. Schnütgen F, Doerflinger N, Calléja C, Wendling...
  5. Antibodies 101: Choosing the Right Isotype

    Type
    Blog Post
    Published
    April 6, 2023, 3 p.m.
    ...//doi.org/10.1016/s0091-679x(08)60255-1  Manning, C. F., Bundros, A. M., & Trimmer, J. S. (2012). Benefits... choose primary antibodies from more distantly related species and/or use narrowly specific secondary ... antibodies raised in different, and distantly related, species, and secondary antibodies raised in the...
  6. Illuminating Epigenetics with A FRET Based Biosensor

    Type
    Blog Post
    Published
    Nov. 19, 2015, 3:30 p.m.
    ...islands (regions of the DNA with a high frequency of C and G nucleotides). The conversion of cytosine to ... and methylated states. Thus, this system is a reliable tool in reporting methylation status of these ...
  7. Genome-wide Screening Using CRISPR

    Type
    Blog Post
    Published
    Aug. 18, 2015, 2:30 p.m.
    ... Cas9 to generate the mutant cells, respectively (C). Mutant cells are screened (D) and "hits" are identified... for which the underlying genetic cause is not entirely known. Identifying which genes are important for...
  8. Pooled Library Amplifications

    Type
    Blog Post
    Published
    May 30, 2024, 1:30 p.m.
    ...media, reducing the incubation temperature (e.g., 30 °C), and limiting your growth time (e.g., 16-18 hours...individually count 500,000 colonies, you’ll likely rely on serial dilutions to estimate transformation efficiency... anywhere from 10 ng to 1 μg of DNA. It often correlates with the size of the library, but generally needs...
  9. The Importance of a Fun Workplace: Company Culture at Addgene

    Type
    Blog Post
    Published
    Sept. 3, 2015, 2:30 p.m.
    ...involve a huge group getting from point A to B to C to D, etc. 7. Don’t let a tiny [or non-existent] ... Chen co-founded Addgene in 2004. They worked tirelessly to get Addgene from a concept to an up and running...job were important parts of team buidling - they relieved some of the pressure of start up life and maintained...“work hard, play hard.” Part of the reason we sincerely like spending time together is that when it’s ...employees. The teambuilding culture helps us build relationships and thereby work better together.I realize I...encourage everyone to make an effort to build relationships with their colleagues. It can be easy to get...done everything from kayaking, to field day, to relay triathlons, to 5Ks. Many of these examples we’ve...
  10. Which Fluorescence Microscopy Techniques is Best for Me?

    Type
    Blog Post
    Published
    Oct. 10, 2017, 1:57 p.m.
    ...extract light from a single, thin plane within a relatively thicker three dimensional sample (see Figure ...920-931 (2005). PubMed PMID: 16299477. 3. Eggeling C, Willig KI, Sahl SJ, Hell SW. Lens-based fluorescence...great image is contrast. The human visual system relies primarily on contrast to identify individual objects...single camera exposure. This is much faster than relying on raster scanning as is done in confocal or 2-... possible. Therefore, 2-photon microscopy which relies on deeply penetrating infra-red excitation light...scanning confocal and 2-photon microscopes which rely on building an entire image pixel by pixel are unable...
  11. Fluorescent Proteins 101: Monitoring Cell Mobility Using Fluorescent Proteins

    Type
    Blog Post
    Published
    Aug. 15, 2017, 1:24 p.m.
    ...between 1,000 nm and 1,200 nm, where there is relatively little tissue absorption, weak tissue scattering...system and its dynamics. References 1. Peters, Nathan C., et al. "In vivo imaging reveals an essential role...understanding of pathogen-immune cell interaction relied on in vitro studies where it was difficult to apprehend...experiments, experience has shown that some are more reliable and more efficient at tracking cells. Good two-photon...
  12. Advancing Biology with Zebrafish: Genetic Tools for Developmental Studies and More

    Type
    Blog Post
    Published
    Aug. 13, 2019, 12:58 p.m.
    ...PubMed Central PMCID: PMC6247916. Felker, A., and C. Mosimann. "Contemporary zebrafish transgenesis with...Several different methods have been developed, relying on established reagents such as CRISPR/Cas9, Tol2... that coordinate development of the body plan (Farrell et al., 2018). This study also showed that in the...Nature 568.7751 (2019): 193. PubMed PMID: 30944477. Farrell, Jeffrey A., et al. "Single-cell reconstruction...
  13. Hot Plasmids February 2024

    Type
    Blog Post
    Published
    Feb. 20, 2024, 2:45 p.m.
    ...mChe), with co-incubation with assist peptide (AP). C) Workflow for Cas-RNP-PAGE editing of primary T cells... and minimal toxicity, including in clinically-relevant lines such as CAR-T cells. Plus, this method is...
  14. No Llamas Required - Synthetic Nanobodies Against Membrane Proteins

    Type
    Blog Post
    Published
    June 18, 2020, 1:15 p.m.
    ...due to camelid high body temperature (37.2 - 39.2°C). The Seeger lab found a way around this by using ...sybody selection platform can be found here and relevant plasmids are available in the Sybody Generation...
  15. Plasmids 101: Degron Tags

    Type
    Blog Post
    Published
    March 14, 2024, 1:15 p.m.
    ...protein tag which can be added to either the N or C terminal of a protein and can inducibly facilitate...the oldest system reviewed here. The AID system relies on three components. First, the protein of interest...
  16. Deep Dive: Fixing and Permeabilizing for Immunofluorescence

    Type
    Blog Post
    Published
    Aug. 30, 2022, 1:15 p.m.
    ... where they could bind to intracellular epitopes. C) Permeabilizing with a non-ionic detergent, like Triton...maintaining the structure of your samples, the relationships between cellular components, and the accessibility...
  17. CRISPR 101: Making a Knock-In Cell Line

    Type
    Blog Post
    Published
    Dec. 22, 2022, 2:15 p.m.
    ...Moreno-Mateos, M. A., Fernandez, J. P., Rouet, R., Vejnar, C. E., et al. CRISPR-Cpf1 mediates efficient homology-directed...is recommended you check your cell lines for HR-related mutations before attempting knock-ins by HDR. ...Designing donors for HDR The basis of the HDR pathway relies on repair from a template molecule, which is usually...
  18. Neuronal labeling with Spaghetti Monster

    Type
    Blog Post
    Published
    Aug. 14, 2018, 12:42 p.m.
    ...pdb-top63. PubMed PMID: 20150100. 4. Shaner, Nathan C., George H. Patterson, and Michael W. Davidson. "Advances...of epitope tags for IHC is the availability of reliable primary antibodies for their detection, particularly...cross-react with other antibodies, or are unavailable entirely. The other advantage is that these tags are small...
Showing: 241 - 260 of 274 results