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We narrowed to 954 results for: Tes

Showing: 581 - 600 of 954 results
  1. QC Sequencing Technologies at Addgene

    Type
    Blog Post
    ... the most popular options. Nanopore sequencing deviates from the synthesis-based sequencing methods (Figure...are highly repetitive, such as those containing cassettes of the same gene multiple times.  Bioinformatics...  Addgene’s de novo assembly pipeline usually generates the correct plasmid sequence. However, if there...
  2. Lab to Office Culture Shock

    Type
    Blog Post
    ...their best interest to do so, sure, but it also eliminates that feeling of floundering one can have when...case at an office job. I’ve frequently told job candidates over the years that one of the things I enjoy...career options are expanding. As someone who coordinates cross-team projects at Addgene, I find that my...
  3. Supporting Reproducibility with a Connected ELN

    Type
    Blog Post
    ...describe how each of these kinds of connectivity facilitates reproducibility. Connectivity to other data sources...available for public access, review, and query. Gates Open Research and Wellcome Open Research both accept...Framework, Data Dryad, and Figshare. Any ELN that facilitates reproducibility has to make it easy to export...
  4. Bacterial Toxin-antitoxin Systems as Molecular Biology Tools

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    Blog Post
    ...grows resulting in the appearance of unmethylated sites in the chromosome. The more stable endonuclease ...an immune response. As a proof of concept, they tested a lux-mediated bioluminescence reporter in vivo...hok/sok system of plasmid R1: Sok antisense RNA regulates hok gene expression indirectly through the overlapping...
  5. Changing Labor Laws Bring Increased Postdoc Wages

    Type
    Blog Post
    ...increase from $23,660 to $47,476 per year, under updates to the Fair Labor Standards Act (FLSA). This is... must be above this level, and certain job duty tests must be met. In the Department of Labor’s general...postdocs should be paid according to the National Institutes of Health National Research Service Award (NRSA...
  6. Gamma-Retroviral Vector Guide

    Type
    Guide
    ...transcription start sites, such as promoters and enhancers. Many times, integration sites are found in proto-oncogenes... transfer plasmids may have limited restriction sites or may only be compatible with certain cloning methods... packaging cell line. This system provides the greatest flexibility to pseudotype gamma-retrovirus using...possible development of cancer. Pseudotyping Tropism dictates which types of host cells the gamma-retroviral... virus with the envelope glycoproteins of HIV generates a retroviral vector with specificity of infection...transcription. Removal of this region in the 3’ LTR creates self-inactivating viral vectors. R in cis Repeat...constitutive promoter such as CMV or RSV. 3' LTR in cis Terminates transcription started by 5' LTR by the addition...
  7. Five Popular Model Organisms, Part 2

    Type
    Blog Post
    ...propagated and have a generation time of around 20 minutes, they are perfect for molecular cloning and metabolic...is far from perfect. One of the most limiting attributes of rats is their difficult to manipulate genome...making them useful for in vivo studies. These attributes make frog eggs some of the most useful tools ...
  8. Antibodies 101: Beyond Surface Labeling

    Type
    Blog Post
    ...advantage of this system is that streptavidin conjugates are commercially available for a wide range of... heterogeneous cell mixes, like bulk lympho-/splenocytes, you might only be interested in one of the various...mummification). Permeabilization, as the name suggests, perforates the cell membrane to allow for antibodies to ...
  9. New Optogenetic Tools for Cytoskeleton and Membrane Control

    Type
    Blog Post
    ...GFP-PASS (green). After 30 minutes of blue light illumination, substantial PA accumulates in the plasma membranes...optogenetics plasmids – and keep an eye out for future updates to the collection! Resources and references Additional...
  10. Transferable Skills Guide: Time Management

    Type
    Blog Post
    ...saying something like, “I’ll be there in a few minutes, I just need to split some cells.” Inevitably, ... Word or google doc that I can comment and make notes on as I progress. I’ve also recently started using...Business Review article on procrastination recommends testing out how much time you can possibly handle doing...
  11. 10 Steps to a Perfect Science Talk

    Type
    Blog Post
    ...speakers talk without looking at their slides or notes. Listen to their stories and narratives (see below... that you can deliver most of your talk without notes. Don’t be hard on yourself if you stumble or make...more engaging session. The best speakers use no notes and can concentrate on delivery, rapport with the...
  12. Plasmids 101: Common Lab E. coli Strains

    Type
    Blog Post
    ...them in 1885. E. coli are mainly found in the intestinal tract of animals. There are many different naturally...coli used today are descended from two individual isolates, the K-12 strain and the B strain. K-12 was isolated...typically standard; just having the gene listed indicates it is non-functional. If a gene is deleted, it...
  13. Plasmids 101: Dimers and Multimers

    Type
    Blog Post
    ...expected fragments for that plasmid. This phenomenon indicates the presence of a multimer.   Fig. 1:... be used to detect multimers, since restriction sites in multimers usually repeat in tandem along with... of the plasmid monomer (see this article from BiteSize Bio for more information on how different plasmid...
  14. Is this the right place for me? 8 tactics for choosing a lab

    Type
    Blog Post
    ...for the PI and lab members.  Make coffee or beer dates to talk to as many lab alumni as you can or schedule...or at least observe grant writing? Get equipment quotes? Understand administrative responsibilities? Is...this blog as a guide. Start a document to record notes and observations so you have data to review when...
  15. Chemogenetics Guide

    Type
    Guide
    ...luciferin) is added, the luciferase enzyme generates light that activates the opsin. The opsin may excite or ...activated through chemogenetic or optogenetic routes. Image courtesy of Ute Hochgeschwender . Table 3: Descriptions...that bind a specific ligand. Ligand binding then activates G-proteins to modulate downstream signaling. GPCRs...back-metabolized to clozapine and other clozapine metabolites and these can have off-target effects. More recent...allows for influx of Na + and/or K + ions, and activates neuronal activity. Figure 3: PSAM4-based ligand-gated...Krashes, M. J., … Roth, B. L. (2015). A New DREADD Facilitates the Multiplexed Chemogenetic Interrogation of...
  16. Finding Your Science Policy Path

    Type
    Blog Post
    ...Each path to science policy is unique and this creates a rich and diverse workforce. Out of all the career...interests.  Action Items:  Sign up to receive updates from ESAL and explore their Local Engagement Playbook...others (see more in Figure 2). Starting early demonstrates not only your interest to future positions, ...
  17. Antibodies 101: Validation

    Type
    Blog Post
    ...aware of any possible alternative translation start sites or alternative splicing that could lead to some ...with your protein of interest and show just the faintest band from the cells transfected with the other...work great in another context! So the next time you test an antibody (perhaps one from Addgene!), consider...
  18. Promoters

    Type
    Guide
    ...the other hand, the process in eukaryotes is much more complex. Eukaryotes require a minimum of seven transcription...are common in prokayotes, specifically bacteria, but have also been discovered in eukaryotes. Operons consist...binding is very different in bacteria compared to eukaryotes. In bacteria, the core RNA polymerase requires...Transcription is tightly controlled in both bacteria and eukaryotes by various DNA regulatory sequences, including...promoter also contains transcription factor binding sites, but mostly contains regulatory elements. Common...
Showing: 581 - 600 of 954 results