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Showing: 621 - 640 of 1045 results
  1. Synthesized by Ginkgo Bioworks, Shared by Addgene: SARS-CoV-2 Plasmids for Many Expression Systems

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    Blog Post
    ...other proteins that require post-translational modification may not be easily expressed in non-mammalian...constructs contain protein coding genes, tags, truncations, and codon optimizations similar to those found...are intended for the high level expression and purification of SARS-CoV-2 proteins for downstream experiments...wild type and codon optimized, full length and truncated versions of SARS-CoV-2 S (spike protein) cloned...
  2. Hot Plasmids - May 2022

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    Blog Post
    ...of interest and, for in vivo work, generate a dedicated transgenic line. Using zebrafish as a model organism...off-target mutations. These plasmids contain catalytically inactive dCas9 and microbial SSAPs (dCas9-SSAP...clonal multiplexing of cells in live imaging application. Each visual barcode consists of a fluorescent...transcription response element (TRE) or kinase translocation reporters (KTRs). Find visual barcode plasmids...
  3. Clear and Accessible Writing

    Type
    Blog Post
    ...principles we developed to use in our website and educational content conflicted with plain language guidelines...Stupid, overwhelmed, discouraged, tired…words that indicated there were many barriers between our audience ...readers.    Figure 1: An image from AAV Purification by Iodixanol Gradient Ultracentrifugation ...Figure 1 appears on our protocol page for AAV Purification by Iodixanol Gradient Ultracentrifugation. The...
  4. Viral Vectors 101: The AAV Retrograde Serotype

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    Blog Post
    ...Tracers are typically delivered to a particular location and they either trace downstream from the soma...Others have noted a lack of transduction in catecholamine pathways from the spinal cord (Wang, 2018, Metcalfe...not yet understood, one thing is clear: this application opens a lot of doors in neuroscience. The retrograde...retrograde serotype also has promising therapeutic applications; it can enhance therapeutic delivery across ...
  5. Developing a cold tolerant E. coli using specialized chaperones

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    Blog Post
    ...psychrophilic enzymes for milk processing, fruit juice clarification, meat tendering, and oligosaccharide synthesis...cultivating a nuanced understanding of the societal ramifications of laboratory science, and how it may best be...which received the Silver Medal in the Undergrad category at the iGEM Competition 2019. He has an active... interest in scientific writing and science communication, and is a fledgling (though infrequent) blogger...
  6. Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity

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    Blog Post
    ...to generate a genomic alteration at a specific location, it must be accessible by Cas9. Our previous blog...off-target activity, which may be undesirable in many applications. At the time of our first blog post on choosing...CRISPR-Cas9 to increase its specificity." Nature communications 9.1 (2018): 3048. PubMed PMID: 30082838. PubMed...CRISPR-Cas12b for human genome editing." Nature communications 10.1 (2019): 212. PubMed PMID: 30670702. PubMed...
  7. GPCRs: How Do They Work and How Do We Study Them?

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    Blog Post
    ...constructed plasmids that can be used in peroxidase-catalyzed proximity labeling to quantifiably measure GPCR...In this technique, the receptor fused to APEX2 catalyzes the biotinylation of proteins near the GPCR. These...Multidimensional Tracking of GPCR Signaling via Peroxidase-Catalyzed Proximity Labeling. Cell 169:338-349.e11 . https...Kadowaki S, Haga T, Takaesu H, Mitaku S (2002) Identification of G protein-coupled receptor genes from the...
  8. 15 Years of Addgene: The Top 15 Plasmids

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    Blog Post
    ...taken us on many adventures...From moving office locations three times, to opening our UK office in 2014,...cell types so it is useful in a wide range of applications. This plasmid was the top requested plasmid ...notice the “V2.0” at the end of this plasmid which indicates that there was a prior version of this plasmid...plasmid was called pLKO-Tet-On in the original publication but its name was subsequently changed to clarify...
  9. How to Keep a Lab Notebook for Bioinformatic Analyses

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    Blog Post
    ..., specific goal for each analysis will help you locate relevant information in the future. Approach:...folders and files that you see on your desktop. The location of your master directory or folder for all of ...simple .txt document. Record the name, date, and location of all analyses (see above). Give every experiment.... She is particularly interested in science communication and epigenetics. Follow her on twitter @kc_palozola...
  10. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

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    Blog Post
    ... the steps of gel purification and in vitro recombination. Across all modifications described in Trehan...mutations, large deletions/insertions require complicated, often costly in vitro assembly methods. A new...recombination machinery, which facilitates easy genetic modification by homologous recombination. In most recombineering...
  11. Choosing the B(right)est Fluorescent Protein: Photostability

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    Blog Post
    ... localized fusion proteins and do not require dedicated plasmids or constructs. It should be noted that...reached at high power may not translate to real applications in which far less power is used. For example...insight into the photostability in the intended application (Goedhart et al, 2012). The third issue relates...Selecting a photostable protein The issues with quantification of photobleaching rates can be summarized as...
  12. Plasmid Tools for Microbiome Studies

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    Blog Post
    ...modular suite of plasmids (pGT) with various replicative origins that can be used for broad or narrow ...Central PMCID: PMC5963681.  Meyer, Richard. "Replication and conjugative mobilization of broad host-range...growth dynamics in the gut microbiota." Nature communications 6 (2015): 10039. PubMed PMID: 26615910. PubMed...gut microbiota and host biomarkers." Nature communications 9.1 (2018): 3347. PubMed PMID: 30131493. PubMed...
  13. Plasmids 101: CcdB - The Toxic Key to Efficient Cloning

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    Blog Post
    ...time-consuming aspects of traditional cloning is the identification of clones that actually contain your insert...technology. CcdB: A potent toxin... The ccdB gene, located on the F sex factor plasmid of E. coli, is part...enzyme-mediated disruption of ccdB, leading to positive identification of desired clones.   ...Becomes a powerful...which can then be used for downstream cloning applications. While these two strains ultimately perform ...
  14. The Future of Research Symposium Boston 2015

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    Blog Post
    ...University of Massachusetts Medical School. Graduate education programs are also beginning to address these issues...The panel discussion on Friday morning will be dedicated to Academic data and the Labor Market. On this...Sinche is a STEM career counselor, Director of Education for the Jackson Laboratory for Genomic Medicine...disease.  Outside the lab, he is interested in communicating science and in the intersection between science...
  15. Overcoming the Challenges of Lentiviral Production

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    Blog Post
    ...prevent the formation of replication competent lentivirus (RCL). Replication competence can arise from...end-users, size of the transgene, and downstream applications should all be considered when choosing the correct... as resources available, cost and downstream applications. For example, while the PEG precipitation method...
  16. Fluorescent Proteins 101: Introduction to FRET

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    Blog Post
    ...sufficient spectral overlap, the fluorophores must be located within 1-10nm of each other and be oriented appropriately...decision easier. 1. Müller, Sara M., et al. "Quantification of Förster resonance energy transfer by monitoring...have enhanced the ability of labs to answer sophisticated questions about cellular processes. Currently...PMC18018. 2. Miyawaki, Atsushi, et al. "Fluorescent indicators for Ca2+ based on green fluorescent proteins ...
  17. Design Tips for Prime Editing

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    Blog Post
    ...BioRender.com. The pegRNA specifies both the genomic location to be edited and the sequence of the edit, so ...its design changes for every new prime editing application. And optimizing its sequence is important, as...left), while pegRNAs that use other bases in this location bind to Cas9 with canonical sgRNA structure (right...structured motifs like mpknot, use the pegRNA Linker Identification Tool (pegLIT) to create linkers that minimize...
  18. Hot Plasmids - October 2020

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    Blog Post
    ... labeling proteins with different subcellular locations. Image from Goudeau et al., 2020. Goudeau... show a high proportion of blue fluorescence, indicating cell proliferation. BaF3 cells maintained in ...in high IL-3 showed mostly blue fluorescence, indicating a quick cell cycle. Cells that had IL-3 withdrawn...Hybrid for Multiplexed Editing and screening Applications (CHyMErA) Knockout Libraries express hybrid ...
  19. CRISPR 101: Anti-CRISPR Proteins Switch Off CRISPR-Cas Systems

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    Blog Post
    ..., 2018). For example, AcrIIA4 mentioned above indicates that it’s the fourth Acr protein discovered that...viral particles that have the gene deletion could replicate when challenged with the S. islandicus CRISPR-...B, Bondy-Denomy J (2020) Anti-CRISPR protein applications: natural brakes for CRISPR-Cas technologies....light-inducible Cas9 activity? Check out these these plasmids Catch Up on Your CRISPR Background with Our Guide Pages...
Showing: 621 - 640 of 1045 results