...race to find vaccines, therapeutics, and other treatments to stem the spread of COVID-19. That’s why we...you used plasmids from this collection in your experiments and published your data, please fill out this...expression vectors containing various spike protein variants are also available. Plasmids are continually added...proteins, and membrane proteins. Although all viral components are available in bacterial expression plasmids...purification of SARS-CoV-2 proteins for downstream experiments and offer flexibility in tag, cleavage, codon...

...and editing speed and consists of the following components: A plasmid in the host bacterium expressing ...infectious. The editing speed dictates which phage variants can propagate faster than the rate of dilution...uninfected host cell culture). This dilution step represents the major difference between PACE and PANCE: ...stringency PACE, resulted in the evolution of TadA variants with much higher base editing activity compared... TadA-7.10 enzyme. After testing numerous TadA variants, they identified TadA-8e, which edits 590-fold...

...controlling cell signaling. Key components of OptoNBs OptoNBs have two key components: an AsLOV2 domain and a ...activity in cells.  Let’s shed some light on the key components of OptoNBs, how they are generated, and their...variable heavy chain antibody domain.  How do these components interact? When fused together to form an OptoNB...below table summarizes the results for these experiments.  AsLOV2 Inertion Site mCherry #1 mCherry ...

...involving protein stability or binding experiments. Potential experiments that one might perform using the ...transcripts for degradation. Despite how easy these experiments are to physically set up in the lab, RNAi is ...the specific gene producing long unspecific RNA fragments that are incorporated into the dsRNA necessary...membranes, organelles, and other subcellular compartments is via proteomics--the study of the distribution...

...make sure that they’ll be compatible with your instruments, each other, and your target. I love FPbase’s...reaction, can be detected using specialized imaging instruments or X-ray film and lends itself well to assays...consider a broader selection of antibodies for your experiments.  Many of the methods for antibody conjugation...If needed, you can often remove the incompatible agents by dialysis or gel filtration.    There is, of ...Conjugates: From Heterogeneous Populations to Defined Reagents. Antibodies 4:197–224. https://doi.org/10.3390...

...’ve got you covered. Defining your control requirements To pick the best tool for the job, it’s important...important to know what the job requirements are. Here are the questions you should be asking. What kind ...with the systems discussed above, just with more elements of control. Tet promoters Tetracycline-dependent...promoters are engineered by placing tet response elements upstream of a minimal promoter. These systems ...expression is tunable by titration with different amounts of tetracycline. Tetracycline regulation is reversible...

...Stanford University. Sex and gender are critical components of biological research that are often forgotten...discovery. Tackling sex and gender in research Governments, universities, and, increasingly, corporations...researchers consider the sex of their cells when doing experiments—which can lead to failed research. For example...meant that, by the very nature of the way the experiments were performed, they did not see anything unique...of human clinical trials. And, as Janine Clayton points out, late-stage clinical studies that draw from...

...From FPs optimized for oxidizing environments to photoconvertible variants, it seems like GFP is always learning... found suitable pairs, they constructed three components: GBPa-VP16 (activation domain); GBPb-GAL4 (DNA-binding...possibility of adapting GFP lines for optogenetics experiments in specific cell populations. Listen to Our Podcast...proteins with a modular structure, constructing split variants should be relatively straightforward, but it is...

...turnover is radioactive pulse-chase experiments. However, these experiments are problematic because they require...annual symposium is organized by international PhD students at the Max Planck Institute for Biophysical Chemistry...MPI in Frankfurt am Main and perform similar experiments. Visualizing newly synthesized proteins with ...microscope she likes to travel, discover new restaurants, go to concerts and bake. you can contact her...

... makes polyclonal antibodies unique and what experiments you should choose them for. How polyclonal antibodies...Pre-adsorbed polyclonal antibodies are designed for experiments where antibodies raised in several different ...antibodies (which recognize other antibodies) in experiments that require multiple antibodies that each detect... For the same reason, they’re also useful in experiments where the availability of some regions of the...want to use the same positive control across experiments to be aware of signal strength. In general, polyclonal...

...based on their audience. How you talk about your experiments to your PI, your colleagues, or your non-scientist... other backgrounds at conferences or networking events. And if you’re a wet lab scientist who works frequently...formal definitions in our lexicon. We created documents and presentations, gave real life examples of ...documentation, including SOPs or project-related documents, we define new and potentially ambiguous terms... and asking can help the team identify possible points of confusion in the future. Improving cross team...

...Accelerate Research Discoveries) Challenge provides grants for rare disease research. This year is our fourth...candidate genes in euploid iPSCs. “The BeHEARD Addgene reagents will facilitate our aims to correct X chromosome.... So far, there have been thirty GNB1 missense variants identified from 58 individuals with GNB1 disorder...biosensors and iPSC-derived cortical neurons from patients with GNB1 mutations, the lab hopes to capture ...upon stimulation. “To study cellular transduction events, we will utilize BRET-, FRET-, and intensity-based...

...sure that what we observe through the microscope represents reality as accurately as possible. This is especially...discover more resources for your genomic tagging experiments. Browse the Allen Institute for Cell Science ...of the gene of interest. To get the molecular components of CRISPR/Cas9 (Cas9 protein and the crRNA-tracrRNA...destabilizes the cell’s outer membrane and allows the components to physically enter the cells so they can go ...easier for you to use genomic tagging in your experiments. Many thanks to our guest bloggers from the ...

... that allows for the assembly of multiple DNA fragments efficiently and accurately in a “single pot.’ ...quantification of this depletion using imaging-based measurements (Ashley et al., 2021).   Schematic showing...Resources page.  Plasmids for delivering CRISPRi components by a single AAV vector are now available from...motif (PAM). They're used to determine the PAM requirements of Cas enzymes. CRISPR-ARE is a new system from.... Check out the new additions.  Image calcium transients in PV interneurons with AAV-S5E2-GCaMP6f, now...

...papers  You’ll need to start following relevant accounts in order to turn Twitter into a paper-finding-...paper-finding-machine. There are four general types of accounts you can follow: Scientists: Following other scientists...investing the time to read them. Organizations: Accounts for nonprofits, research organizations, and universities...research they support. Monitoring these types of accounts can help you find papers related to a particular...tip Checking the number of retweets, likes, and comments on a tweet about a paper can help you gauge how...

...rely on fusion proteins while others re-engineer components of Cas systems themselves. SunTag, SAM, and VPR... VPR have all shown significant improvements upon the initial dCas9-VP64 method, so there are multiple...much higher activation, dCas9-VP64 is great for experiments that requires modest gene activation. Synergistic...making it a popular method for gene activation experiments. In cases of multiplex gene regulation (activating...lines (Sajwan et al., 2019). SPH SPH combines components of SAM and SunTag activators, fusing the epitope...

...companies that produce GMO food plants. When a press piece ran on the detector plants, we expected to see that...Facebook comment.  In our day job, we worked on plants engineered to detect explosives and rapidly indicate...that same anger. Instead, social media comments were more often along the lines of “I hate GMOs, but what...entrepreneurship, share your thoughts with us in the comments below. We’re happy to answer questions about this...

...proper basic training prior to conducting mouse experiments. Some of these techniques are what we call “beginner...as this method is useful for analyzing localized events. Intradermal injections require a bit of extra ...used for delivery of viral vectors, though drug treatments are also possible. One additional requirement...through a feeding tube with a bulb on the end, which prevents accidental tears or punctures to the throat. The...overseeing your work. Good luck with your in vivo experiments! Table 1: Summary of common injection routes ...

... 2024 under CC-BY license. They did more experiments to see if any small molecules act as a cofactor...mutagenesis and screening, the EGFP and mScarlet variants were showing no obvious signs of improved response...deprioritize the project, Maria’s screens of AsLOV2 variants showed some significant gains! After a few more... Andrew and Maria expect that further-improved variants of MagLOV will be possible with other engineering... Anderson, E. D., Bell, A. M., Tzouanas, C. N., Avants, B. W., & Robinson, J. T. (2019). Magnetic Entropy...

...also find anti-Myc [9E10] Fab fragments and single-chain variable fragments.  Abi, on the other hand...Who first started using it in protein tagging experiments? Why Myc? When did the commonly used anti-c-Myc...allow users to better troubleshoot and design experiments. It turns out that even with the most popular...Munro S, Pelham HRB (1987) A C-terminal signal prevents secretion of luminal ER proteins. Cell 48:899–...