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We narrowed to 872 results for: cel

Showing: 581 - 600 of 872 results
  1. Plasmids 101: Gram Negative and Positive Bacteria

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    Blog Post
    ...negative bacteria is due to differences in cell wall composition. Cell wall structure Gram positive bacteria...complex within the peptidoglycan layer, staining the cell purple. When the alcohol is added, it dehydrates...Silhavy, TJ., Kahne, D. & Walker S. The Bacterial Cell Envelope. Cold Spring Harb Perspect Biol. 2(5) a000414...
  2. New Neuroscience Tool: The iGluSnFR3 Glutamate Sensor

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    Blog Post
    ... glutamate release from neurons and other brain cells in vivo. Glutamate plays a variety of roles in synaptic...sensor to the membrane and displays it on the extracellular side. In addition to the original PDGFR TMD,...promoter, FLEXed for expression in Cre-expressing cells hSynap: Human Synapsin-1 promoter. Good for neuronal...promoter, FLEXed for expression in Cre-expressing cells. hSynap-FLP: Synapsin-1 promoter, FLP-dependent ...
  3. AAV Q&A with Tim Miles

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    Blog Post
    ...co-delivering different AAV particles into the same cells in vivo? A: This will be highly dependent on vector...particularly one that can target the epithelial cells in the blood-brain barrier?   A: For liver, we recommend...worth investigating for both Q6 & Q7.For epithelial cells of the blood brain barrier we would currently recommend...and to all our participants for their time and excellent questions.    Additional Resources on the Addgene...
  4. OCaMP: A New Calcium Indicator for Neural Imaging

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    Blog Post
    ... nerve and muscle function, hormone release, and cell signaling throughout the body. Because calcium levels...used simultaneously to monitor or control different cell types or signals in the brain. For this to work,... researchers can image multiple brain regions or cell types at once using existing indicators. For example...available through Addgene. Whether you're working with cell cultures, slice preparations, or in vivo imaging...
  5. New and Upcoming Viral Vectors - May 2020

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    Blog Post
    ... results, but also confirm expression in target cells. While the various AAV serotypes can be used to ...Chemogenetics offers noninvasive methods for manipulating cell activity, particularly in the brain, and holds promise... systems such as Cre-lox allow for more accurate cell and tissue targeting. While promoters and AAV serotypes...allowing you to further restrict gene activation to cells expressing both Cre and GFP. The GFP dependent FLPo...
  6. Plasmids 101: Inducible Promoters

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    Blog Post
    ...stimulate AraC binding to I1 and I2 sites. Supplementing cell growth media with glucose decreases cAMP and represses... Because transcription machinery differs between cell types or organisms, promoters are similarly variable...variable. Bacterial promoters only work in prokaryotic cells and typically only in the same or closely related... were derived. Similarly, the various eukaryotic cell types (mammalian, yeast, plants, etc.) require unique...
  7. A Novice's Perspective on Neuroscience - SfN2017

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    Blog Post
    ...aiming to dedifferentiate mouse brain cells into neural stem cells. I was quite unsuccesful (although I...versatile means of delivering genes to many different cell types with minimal immunological effects. AAVs are... used in experiments targeting genes to specific cell types in the brain, mapping neuronal networks, and...
  8. Why and how to start studying chromatin (with Addgene's help)

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    Blog Post
    ... R, Schmalhorst PS, Jude JG, Zuber J, Gerlich DW Cell. 2017 Aug 24;170(5):956-972.e23 Screen identifies... R, Schmalhorst PS, Jude JG, Zuber J, Gerlich DW Cell. 2017 Aug 24;170(5):956-972.e23 Rapid and phosphoinositol-dependent... Rando OJ, Xue Y, Swiderek K, Kuo A, Crabtree GR Cell. 1998 Nov 25. 95(5):625-36. An architectural role..., Ensminger AW, Fox AH, Chess A, Lawrence JB Mol Cell. 2009 Mar 27;33(6):717-26. Reporter-nanobody fusions...
  9. Addgene’s Viral Service - Why Virus? Why Now?

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    Blog Post
    ...see the value to the scientific community in accelerating the Viral Service. With their support we are...helps keep our focus on assisting scientists and accelerating research and discovery, while also pushing us...take on this project? Addgene’s mission is to Accelerate research and discovery by improving access to... facet of a project this big. Maintaining our excellent service and accuracy involves caring and careful...
  10. Protein Tagging with CRISPR/Cas9: A Conversation with Mendenhall and Myers

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    Blog Post
    ...also gives cells antibiotic resistance to neomycin so that you can select the population of cells with the...Only a small percentage of the proteins inside a cell have a commercial antibody against them. There’s...antibody. It’s an epitope not found in human or other cells. It was made artificially. That means you aren’t...
  11. Deep Dive: qPCR

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    Blog Post
    ... that your reference genes are suitable for your cell lines and/or tissue types.  Please do note my oh-so-subtle...reference genes to save on plate space. For many cell lines and tissue types, appropriate reference genes...at determining the best options for a particular cell or tissue type (such as here, here, or here).  If...for analyzing qPCR data, most with plug-and-play Excel spreadsheets available for easy analysis. These ...your data  Once you’ve done the work to produce excellent and reliable qPCR data, you’ll of course want ...
  12. Addgene: The First Twenty Years

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    Blog Post
    ...amazing years in front of us. So in our last celebratory moment, we wanted to walk through some of our...Facebook and Gmail, were launched. And Melina Fan, a cell biology graduate student, was frustrated by the ...to receive the Massachusetts Nonprofit Network Excellence Award for our electronic MTA system. We also ...now our Sr. Director of Production) pie-fully celebrating Addgene's 10 year anniversary.   Expanding...
  13. Antibodies 101: Conjugation

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    Blog Post
    ...and Protein Modifications in Cells and Tissues in Situ. Curr Protoc Cell Biol 89:e115. https://doi.org... like proximity ligation, immuno-PCR, and single-cell applications (Hegazy, et al., 2020; Niemeyer, et...epitope and transcriptome measurement in single cells. Nat Methods 14:865–868. https://doi.org/10.1038...
  14. Troubleshooting Your Plasmid Cloning Experiment

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    Blog Post
    ...product, the transformation may not result in any cells, or all the colonies screened might not contain ...verify the strain and the efficacy of your competent cells (when they get old, they lose competency). If all... look at your experimental design. Full lawn of cells. The antibiotic in your plate might not work. Check...acknowledged in hundreds of publications including Cell, Nature, and other journals.   Paolo Colombi is ...
  15. Antibodies 101: Stripping and Reprobing Western Blots

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    Blog Post
    ...better than a nitrocellulose membrane. If you have already run your blot using nitrocellulose, you may decide...protein of interest in a complicated solution like cell lysate. But they can be a lot of work — and what...instructions for the membrane you are using. Dry nitrocellulose membranes are brittle, so proceed with caution...
  16. Pathways Over Time Plasmids Engage Students in Functional Genomics Research

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    ...lack uracil, but contain methionine. (This allows cells carrying nonfunctional as well as functional MET... is available at our Investigations in Molecular Cell Biology Website. Many thanks to our guest blogger...right) has taught courses in biochemistry, molecular cell biology and genetics at Boston College. She is particularly...Science and Technology [PCAST] (2012). Engage to Excel: Producing One Million Additional College Graduates...
  17. Quickest Way to Deposit Plasmids: The Deposit Spreadsheet

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    Blog Post
    ... question about what should go into a cell, hover over the cell and instructions will pop up. When you...spreadsheet (Figure 2) and are described in Table 1. Some cells have drop-down options for you to choose from, while... into the appropriate full and partial sequence cells. *Note: If you believe you need to deposit a collection...
  18. Story of a SynBio Startup: RevBio's Epiphany (or Lack Thereof)

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    Blog Post
    ...color change until a few months later. RevBio accelerates with help from SynBio Axlr8r We limped along ...business. We ended up applying to a business accelerator freely stating that we had an idea, knew how ...pretty steep. But we can rely on one another to celebrate good news or share a bottle of wine after a rough...rough day, and we have great partners in this accelerator program who want us to succeed. We’re excited...
  19. Antibodies 101: Flow Compensation

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    ... make it difficult to properly gate your desired cell population. By compensating between fluorescent ... your fluorescent markers are staining for. If a cell is positive for both markers, it will show up as...Figure 3: Flow plot for a double positive sample. The cell population in the top right corner of the plot is...learning! Ashlyn has a research background in CD8+ T cells and cancer immunotherapies. She is currently a research...
  20. Plasmids 101: Degron Tags

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    Blog Post
    ...uses a small molecule, a tag, and the endogenous cellular degradation machinery to function. The dTAG is...tag and small molecule. It does work in mammalian cells, mice, and even yeast, though (we have a kit!). ...and complete degradation of proteins in mammalian cells. Proc Natl Acad Sci U S A. 2012 Dec 4;109(49):E3350...Tags Plasmids for Endogenous Gene Tagging in Human Cells Antibodies 101: Epitope Tags  ...
Showing: 581 - 600 of 872 results