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Showing: 381 - 400 of 872 results
  1. Identifying Sequence Elements with SnapGene's Feature Database

    Type
    Blog Post
    Published
    Dec. 21, 2017, 2:06 p.m.
    ...due to genetic drift and the use of genes from different microbial strains. It proved to be impractical... least 96% sequence identity when detecting a reference feature. For a coding sequence feature that may... could miss a common feature if the sequence differences exceed the threshold. This issue is addressed...often come in closely related versions that have different properties. To prevent misidentification, we augment...way for SnapGene users to apply features from a reference strain to newly sequenced strains through our ...
  2. Hot Plasmids and Viral Preps - September 2021

    Type
    Blog Post
    Published
    Sept. 21, 2021, 1:15 p.m.
    ...cell-free transcription/translation systems (also referred to as TX-TL systems) have been gaining popularity...initial system by using a stronger promoter and different biochemical secondary energy sources to increase...XMAS-TREE. a) Cells are transfected with three different vectors and flow cytometry is used to sort populations...XMAS-TREE-based methods at various genomic loci in four different categories.     Brookhouser, N., et al. BMC...10.1186/s12915-020-00929-7    The CRISPR corner By Jennifer Tsang New CRISPR plasmids are always being added...
  3. A New Optogenetic Tool Based on AraC Controls Gene Expression with Blue Light

    Type
    Blog Post
    Published
    June 17, 2021, 1:17 p.m.
    ...Khammash lab can also be found here.   References and Resources References Romano E, Baumschlager A, Akmeriç...functional BLADE variants, too. The team tested different linkers between VVD and the DNA-binding domain...the Molecular Biology Reference Download Addgene's Plasmids 101 eBook ... Jennifer Tsang...
  4. HA Frankenbody, a New Imaging Tool to Visualize Single Molecules and Nascent Peptides

    Type
    Blog Post
    Published
    Oct. 10, 2019, 12:41 p.m.
    ...antibodies for tagging purposes. Different antibodies bind different protein sequences called epitopes...infamous frankenstein, was constructed by grafting different parts together. By combining two optimized elements...living cells. To make these scaffolds specific to different targets, the scientists fused them to sequences...to build a more robust set of frankenbodies. References Ewert, S., Honegger, A., & Pluckthun, A. (2004...
  5. Extracurricular Activities for a Strong Science Career Path

    Type
    Blog Post
    Published
    Jan. 21, 2014, 3:08 p.m.
    ...However, careers outside of the lab highlight “transferable” skills such as leadership, management, and ... and trends “Never Leave an Empty Seat” at conferences and seminars, as this is a valuable time to network...particular field of study Assess your interest in a different field Outreach activities (e.g. Volunteer...Leadership Networking University technology transfer office positions   Market analyses Patent...Marketing Communication Business models Conference or club organizer Management Leadership...
  6. Hassle-free 96-well Format Epitope Tagging Using Cas9 Ribonucleoprotein

    Type
    Blog Post
    Published
    June 28, 2018, 3:01 p.m.
    ...numerous cell lines can be generated, each with a different tagged protein of interest, and a universal all-purpose.... Current methods of epitope tagging, however, suffer from many pitfalls: they require construction of... achieve 5-30% tag knock-in efficiency across different stem cell types. This has facilitated easy generation...format and tested parallel tag knock-in for 96 different genes in a single go (Figure 3). We were able ...optimization includes selection of transfection buffer and electroporation pulse program to achieve high...seen daydreaming about sunny days in the UK.   References 1. Bressan RB, Dewari PS, Kalantzaki M, Gangoso...
  7. Quick Guide to Working with Drosophila Part 2: Controlling Gene Expression in Flies with Gal4/UAS

    Type
    Blog Post
    Published
    July 21, 2017, 12:48 p.m.
    ... Gal4 lines and study gene expression in many different tissue types! Although putting a gene of interest... overexpressed in several cell types by using different Gal4 drivers. It is much easier to mate flies ...one gene in one cell type and another gene in a different cell type (6–8). Although it’s often very easy...the meantime, be sure to browse the publication references and web links from my first post and start designing...jonchowphd but he still reads “#” as a “pound symbol”. References 1. A. H. Brand, N. Perrimon, Targeted gene expression...
  8. DAP arrays for multiplex gene editing

    Type
    Blog Post
    Published
    July 7, 2022, 1:15 p.m.
    ...heart disease, and type 2 diabetes, across four different types of human cells, including T cells and hematopoietic... interest with only minimal genetic payloads. Different from existing multiplex array architectures, including...when repetitive tRNA sequences must be avoided, different tRNAs with optimized 5’ leader sequences can be... lab of Xue Sherry Gao at Rice University.    References and Resources More resources on the Addgene blog...Adding Precision and Flexibility to CRISPR Editing References Yuan Q, Gao X (2022) Multiplex base- and prime-editing...
  9. Using CRISPR/Cas9 to Edit Disease Out of the Genome

    Type
    Blog Post
    Published
    June 23, 2022, 1:15 p.m.
    ...seeing adoption of the technology in different labs for different applications.” Li’s team noted that ...cells of patients with cystic fibrosis (8).   The difference with CRISPR/Cas9 in comparison to other genome...” said the University of California Berkeley’s Jennifer Doudna. “They are the first direct demonstration...possible through the use of nanoparticles. [6].    References 1. Zhang B. 2021. “CRISPR/Cas gene therapy.” ...
  10. New and Upcoming Viral Vectors - June 2019

    Type
    Blog Post
    Published
    June 18, 2019, 1:15 p.m.
    ...patterns of different AAV serotypes. To help make this easier for scientists, we now offer trial size ...excited to offer these useful tools to the community. Among other new biosensor tools, we now offer the jGCaMP7c...control of specific neuronal populations. We now offer a Flp-expressing AAV, as well as a Cre-dependent...
  11. Unique and persistent IDs for improved reproducibility: Addgene now supports RRIDs and compact identifiers for all plasmids

    Type
    Blog Post
    Published
    Nov. 20, 2018, 8:17 p.m.
    ...identifiers (PIDs), a long-lasting way to identify and reference documents, files, or physical reagents. What ...and exist online indefinitely. PIDs historically referred to objects that exist online, but this approach...you, we’ll go through examples to highlight the difference between them using a plasmid available through...the lenti-Cas9-VQR plasmid page. Despite their differences, both of these PID formats for lenti-Cas9-VQR...managed by Addgene. How to cite options using the different PID formats The instructions for how to cite any...
  12. Hot Plasmids - December 2019 - CRISPR pooled library, LipoGlo, CRISPRa, and Voltage Imaging Tools

    Type
    Blog Post
    Published
    Dec. 10, 2019, 1:58 p.m.
    ... that affect Th2 differentiation and activation, using expression of differentiation factors as the screen...ApoB-NanoLuc reporter by inserting the NanoLuc luciferase downstream of the apoB gene. Using this reporter... imaging can be performed in intact animals and offers many advantages over traditional measurements such...Gottschalk group hypothesizes that this may be due to different lipid compositions of C. elegans membranes, which...
  13. Revamp Your Lab Meetings With Creative Virtual Collaboration

    Type
    Blog Post
    Published
    Feb. 9, 2021, 2:15 p.m.
    ...for creative interaction During Zoom meetings, different tools can be used to promote creative interaction...as a picture. I believe that showing something different from time to time breaks up the monologue a little...papers will be written by several authors from different institutes, disciplines, and cultural backgrounds...and only general chatter will be allowed with a different host each time that moderates conversations. This...communities. You can follow him on twitter @salmon_phd References Frassl MA, Hamilton DP, Denfeld BA, de Eyto E...
  14. Networking Follow-up: I Met a Person. Now What?

    Type
    Blog Post
    Published
    Jan. 12, 2021, 2:15 p.m.
    ...events for one organization or go to the same conferences/meetings over and over to get to know the regulars...people by discussing non-work topics and interests. Offer help when you can, instead of just asking for favors...starfish shape. You can ask me about the different arms of this starfish sometime, but as of yesterday...come across your contacts over the years in many different ways. This leads me to my last tip: It’s usually...Browse other blog posts on networking Attending a conference soon? Get tips here Learn about informational...
  15. Plasmids 101: NGS Quality Control for Pooled Libraries

    Type
    Blog Post
    Published
    Oct. 26, 2017, 1:59 p.m.
    ... the library are differently sized, smaller plasmids may be amplified preferentially, skewing the composition...some of Addgene’s most exciting and versatile offerings! We recently re-amplified our distribution stock...successful amplification? To provide a point of reference, Addgene commonly prepares NGS samples using both...overrepresented plasmids (plasmids that were amplified preferentially). You can also rank the plasmids by abundance...
  16. How to Deposit Your Plasmids with Addgene

    Type
    Blog Post
    Published
    Feb. 27, 2024, 2:15 p.m.
    ... will be depositing multiple plasmids and would prefer to send us your plasmid information in spreadsheet...plasmids all built with the same backbone and only differing in the gene/insert. Pooled libraries are normally...click the "Save" button and jump around to the different pages by clicking on the appropriate boxes at ...at the bottom of the page before moving onto a different page so that any data you enter is not lost.   ...to the backbone, and the vector type. Pro Tip! Reference the Addgene ID in the "Backbone Manufacturer" ...concentration of 0.1–1 µg/µL (or bacterial streaks, if you prefer). If you wish to edit your plasmid data after submission...
  17. Flow Cytometry Readouts: Yes, No, and Everything in Between

    Type
    Blog Post
    Published
    Aug. 20, 2024, 1:15 p.m.
    ...Pro tip! If your samples and control underwent different treatment processes, you may see a shift in the...presence or absence, the plots can look quite different. You might have high expression, low expression... the mean fluorescence intensity (MFI) of the different populations. MFI is the average brightness from...plot. However, the histogram plots look a bit different than they do for yes-no readouts.      ...above is for a smeary expression and is quite different from the yes-no histogram plot shown previously...
  18. Cancer, Inflammation and Immunity - Harnessing the Body’s Defenses to Fight Cancer

    Type
    Blog Post
    Published
    July 6, 2017, 1:59 p.m.
    ...organizers. My overall impression from this conference was that Cancer Researchers and Immunologists...Here I aim to compile a few highlights from the conference which reflect how cancer/immunology researchers...multi-pronged attack. Inflammation and tumorigenesis The conference opened with a very interesting presentation by...our Fluorescent Protein Guide. Throughout the conference aspirin and the use of COX inhibitors was discussed...about our free deposit and distribution service! References: 1. Pietrocola, Federico, et al. "Caloric restriction...
  19. Screening for Successful Genome Editing with Digital PCR

    Type
    Blog Post
    Published
    March 30, 2017, 2:30 p.m.
    ...mutation of your favourite gene, there are several different methods available. Thankfully, there are many ...mutations. The assays you will use aren’t that much different from conventional duplexed primer probe assays...primer to amplify the target locus, as well as a reference probe designed to bind at an unedited site distal...are completely “blind” to this very important difference (Figure 3). If you are interested in harnessing...biology. Follow him on Twitter @AnotherLabRat.     References 1. Miyaoka, Y. et al. Isolation of single-base...
  20. Top Requested Lentivirus and AAV of 2016

    Type
    Blog Post
    Published
    Jan. 6, 2017, 3:56 p.m.
    ...AAV8) enable different patterns of transduction and transgene expression across different cell types (...world. We began with only a few inventory items offered domestically, but by the end of 2016, we expanded...visualizing hM4D(Gi)-mCherry in fixed tissue. References 1. Aschauer DF, Kreuz S, Rumpel S. Analysis of...Kilic E, Bähr M. Human synapsin 1 gene promoter confers highly neuron-specific long-term transgene expression...
Showing: 381 - 400 of 872 results