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  1. Hot Plasmids and Viral Preps - March 2021

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    Blog Post
    ...efficiently and accurately in a “single pot.’   Figure 1: Single-Pot Assembly: a) Graphic depiction of... sensor modules targeting a specific chromatin feature (e.g. a methylated histone such as H3K27me3), a...neuron-astrocyte, and cancer-stromal cell pairs.   Figure 2: Schematic of the interaction between the sender...quantification of this depletion using imaging-based measurements (Ashley et al., 2021).   Schematic showing...
  2. CRISPR 101: Anti-CRISPR Proteins Switch Off CRISPR-Cas Systems

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    Blog Post
    ...an anti-CRISPR protein. Nature 546:436–439 . https://doi.org/10.1038/nature22377 Harrington LB, Doxzen ... species of bacteria.  A note on anti-CRISPR nomenclature Acr family proteins are named for the type of... DNA cleavage (Harrington et al., 2017). Figure 1: Anti-CRISPR proteins (Acr's) can block CRISPR...
  3. Synthetic promoter AAVs for cell-type specific expression in retinal cells

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    Blog Post
    ...gene delivery, but it has a drawback: how do you ensure your gene goes where you want it to? Knowing that...transcriptionally active in retinal cell types in mice. Figure 1: The four strategies used to design synthetic...AAVs would express Cre-mCherry and GFP.   Figure 2: Synthetic promoters can be paired for targeted...promoter AAVs in mice, non-human primates and humans. Nature Neuroscience, 22, 1345-1356. https://doi.org/10.1038...
  4. Split-BioID: An Improved Method for Studying Protein-Protein Interactions

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    Blog Post
    ...those which you’ve already fluorescently labeled. Figure 1: Using Split-BioID to Identify Protein Protein...that give the strongest biotinylation signal, as measured via Western blot, and that result in proper localization...these two bait proteins stop interacting. This feature is particularly useful for in-depth characterization... of spatiotemporally defined protein complexes. Nature communications. PubMed PMID: 28585547. PubMed Central...
  5. Adeno Associated Virus (AAV) for Cell and Gene Therapy

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    Blog Post
    ...infections. She is particularly passionate about HIV cure research and science communication.     References...to the central and peripheral nervous systems." Nature Neuroscience 20.8 (2017): 1172-1179. PubMed PMID...affinity-purified receptor-targeted viral vectors." Nature communications 6 (2015): ncomms7246. PubMed PMID... the Addgene Blog Check out our Viral Vectors Featured Topic Page Learn about CRISPR-AAV vectors Learn...
  6. Viral Vectors 101: Chemogenetics

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    Blog Post
    ...the impacts of neural circuits on behavior. Figure 1: An overview of the chemogenetics system. ...characterize the compound, or compounds, you choose to ensure reliable results (Goutaudier et al., 2019). Using...Yang X, Stone O, Roth BL, Jin J (2015) The First Structure–Activity Relationship Studies for Designer Receptors...designed Gi-coupled receptor in transgenic mice. Nature Biotechnology 17:165–169 . https://doi.org/10.1038...
  7. CRISPR Activators: A Comparison Between dCas9-VP64, SAM, SunTag, VPR, and More!

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    Blog Post
    ...engineered CRISPR-Cas9 complex. Nature 517:583–588 . https://doi.org/10.1038/nature14136 Perez-Pinera P, Kocak ...acetyltransferase domain capable of rearranging chromatin structure. This method has shown higher activation levels...C, Hsu PD, Habib N, Gootenberg JS, Nishimasu H, Nureki O, Zhang F (2014) Genome-scale transcriptional ...
  8. Mouse Modeling, Part 2: Breeding and Crossing Mice

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    Blog Post
    ...inheritance: 1. Genotype your parental mice In order to ensure that your genetic modification will be passed along...genotype all of your F1 mice, as well as progeny from future generations. 4. Continue breeding your colony You...they are likely to stay on separate chromosomes in future generations as well, a concept known as linkage...expression of Cre, loxP, and your gene of interest. To ensure that the effects you see in your experiment are...
  9. Open Resources and Plasmid Tools For Studying C. elegans

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    Blog Post
    ...et al. "cGAL, a temperature-robust GAL4–UAS system for Caenorhabditis elegans." Nature methods 14.2 (2017... detailed information about C. elegans 3’UTRs structures, alternative polyadenylation for all protein ... novel findings. These results are normally one figure and can be negative and/or even replicated studies...
  10. The Materials Science of Optogenetics Experiments

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    Blog Post
    ...animal’s skull using dental cement (a similar procedure as implanting a guide cannula). A fiber optic ...optogenetics but may become the standard in the future. Now that your animals are all wired up and expressing...long-term optogenetic manipulation of neural circuits. Nature protocols. 2012;7(1):12-23. doi: 10.1038/nprot.2011.413...Neuroscience research. 2011;70(1):124-7. doi: 10.1016/j.neures.2011.01.007. PubMed PMID: 21238511. 6. Jeong, ...
  11. CrispyCrunch: High-throughput Design and Analysis of CRISPR+HDR Experiments

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    Blog Post
    ... explain the thinking behind the tool, its key features, how it works, and how to use it. Background on...frequency determination (CFD score) is used to measure specificity of a guide to the target. The CFD score...Optimal mutation in-depth One the most sophisticated features of CrispyCrunch is how it mutates guide sequences...more detailed information on using CrispyCrunch, be sure to check out the How To Guide. Conclusion CrispyCrunch...
  12. Academic vs. Industry Postdocs

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    Blog Post
    ...graduate school who were at AstraZeneca and could assure me that they were having a positive experience,... years. This time limit can feel like a lot of pressure. However, it means that your manager (and you)... choose. If publishing is important to you, make sure that your project will not involve proprietary compounds...reviewed by an internal committee before submission to ensure that it does not divulge any propriety information...
  13. Fluorescent Tagging of Endogenous Genes with SapTrap

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    Blog Post
    ...been used to track protein localization, cell structure, intracellular trafficking, and protein turnover...plasmids to fluorescently tag markers of cellular structures in mammalian cells. These plasmids use fluorescent...reversibly degraded after the addition of auxin to the culture medium. Any number of regulatory sequences, including...“A Comprehensive Toolbox for Genome Editing in Cultured Drosophila melanogaster Cells.” G3 (Bethesda) ...
  14. Quick Guide to Working with Drosophila Part 1: Getting Started with Flies

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    Blog Post
    ... 25°C. At low temperatures like 18°C, flies take longer to develop. At high temperatures like 30°C, flies...drift away with each passing generation.  Another feature of balancer chromosomes is that they produce dominant... during meiosis. This can sometimes be a handy feature when setting up genetic crosses. More importantly...
  15. New CRISPR Tools: Cas7-11 and PASTE

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    Blog Post
    ...sent to the AbuGoot lab for testing, they weren’t sure what they would find… but it was safe to say the...dual activities: processing pre-CRISPR RNA into mature CRISPR RNA and cleaving RNA at positions defined.... But they weren’t done engineering quite yet – surely, they thought, the integration rate could be improved...with the single-protein CRISPR effector Cas7-11. Nature. 2021 Sep;597(7878):720-725. doi: 10.1038/s41586...
  16. What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program

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    Blog Post
    ... new experimental species. Discovering ways to culture, propagate, transform, store, and share all of ... "for development of tools, approaches, and infrastructure necessary for direct tests of cause and effect...was excited to be invited to attend. My job is to ensure that, in general, these labs all include materials...from Old Faithful in 60 °C soils. Dendrobatidae (Lauren O’Connell)  Poison frogs are great for studying...
  17. Transferable Skills Guide: External Collaborations

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    Blog Post
    ...the same time, this project gives Snapgene great exposure to the community of biological scientists who ...institutions personally on conference calls and make sure to maintain these relationships by keeping in touch...an internal to an external connection is to make sure you keep open lines of communication with colleagues...interesting events, articles and newsletters I make sure to share them with a short note - this creates a...
  18. Career Insights: Technical Support Specialist

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    Blog Post
    ...stages (i.e. postdoc level) and can include the pressure to publish in high-impact journals, and the requirement...with a custom-made reagent to manipulate cells (manufactured by one of the larger biotech companies), and...company, less exposed to the fast dynamics and pressure which are often found in sales or lab-based roles...name a few). Depending on the particular company structure you may be able to move into one of these departments...
  19. Five Popular Model Organisms

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    ... than studies in other model organisms or cell culture. For example, Scott Lowe’s lab utilized mice to...double-stranded RNA in Caenorhabditis elegans." nature391.6669 (1998): 806. PubMed PMID: 9486653. Hesselson... and its relationship to the human genome." Nature496.7446 (2013): 498. PubMed PMID: 23594743. PubMed ...organism for studying somatic mutations and cancer." Nature Education 1.1 (2008): 183. Zuber, Johannes, et ...
  20. March for Science

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    Blog Post
    ...Makes Better Science Nature: What Trump’s new travel ban means for science Nature: Meet the scientists...job of having evidence”, scientists want to make sure having evidence is the job of everyone in government...all you need to do is select your state. State Legislatures: To find the website to contact representatives...
Showing: 681 - 700 of 1019 results