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  1. Evolution of Lab Techniques

    Type
    Blog Post
    Published
    June 21, 2016, 2:30 p.m.
    ...technologies nanopore-based DNA sequencing machines are relatively small meaning that DNA sequencing could move ...1975): 503-517. PubMed PMID: 1195397. 2. Chang, Judy C., and Yuet Wai Kan. "A sensitive new prenatal test...next-generation sequencing techniques do not typically rely on Sanger sequencing but instead use methods like...
  2. Fluorescent Protein Travel Awards - FLiPs and Fluorescent Protein Biosensors

    Type
    Blog Post
    Published
    July 27, 2017, 1:11 p.m.
    ...light. Previous iterations of FLiPs only used N- and C-terminal dronpa fusions. With these various designs... produce two biosensors that could quickly and reliably detect HMOs. Fatima’s first design is a whole ...enzyme breaks down the HMO of interest, the lactose released activates expression of GFP from the lac operon...
  3. CRISPR 101: Multiplex Expression of gRNAs

    Type
    Blog Post
    Published
    Sept. 10, 2020, 11:45 a.m.
    ...arrays (e.g. for spacers A, B, and C, you could obtain arrays A, B, C, AB, AC, BC, and ABC). Nielsen Lab...specific sites that allow them to be cleaved and released. These constructs tend to be smaller than constructs... If Csy4 is not expressed, the gRNAs cannot be released, adding temporal and/or spatial control to the...recognize the tRNA sequences, cleave them, and release the gRNAs. PTGs are assembled into a wt Cas9-containing...editing of six different genes. This system doesn’t rely on any additional or host-dependent factors and ...
  4. Rewiring Metabolic Circuitry with CRISPR RNA Scaffolds [Video]

    Type
    Blog Post
    Published
    April 7, 2015, 4:21 p.m.
    ...on designing and using RNA scaffolds: Delebecque, C. J. et al. Designing and using RNA scaffolds to assemble...rational, straightforward design. Since the technique relies on base pairing, it has promise to be host-independent...
  5. Hot Plasmids - December 2019 - CRISPR pooled library, LipoGlo, CRISPRa, and Voltage Imaging Tools

    Type
    Blog Post
    Published
    Dec. 10, 2019, 1:58 p.m.
    ...this may be due to different lipid compositions of C. elegans membranes, which might beneficially influence... of ApoB-LPs has been shown to have a strong correlation with cardiovascular disease and indirect measurement...that the system is active in E. coli and closely related species, is amenable to use with other bEBP/UAS...and the system may not be adaptable to distantly related species from E. coli. This tool should serve as...
  6. Plasmids 101: Inducible Promoters

    Type
    Blog Post
    Published
    Jan. 18, 2018, 2:34 p.m.
    ... Cas9 for easy genome engineering in species like C. elegans and Drosophila. Light inducible promoters...heat shock. In the case of Hsp70, the heat shock releases heat shock factor 1 (HSF-1), which subsequently...cells and typically only in the same or closely related species from which they were derived. Similarly...
  7. Generating Mouse Models Using CRISPR/Cas9

    Type
    Blog Post
    Published
    July 12, 2016, 2:30 p.m.
    ...long been extremely useful in the lab – they are relatively small and easy to work with, making them the ...10.1016/j.cell.2013.04.025 Zhang X, Liang P, Ding C, Zhang Z, Zhou J, Xie X, Huang R, Sun Y, Sun H, Zhang...the day, March 16, 2014, that I got my first preliminary results from a CRISPR genome editing experiment...
  8. Components of CRISPR/Cas9

    Type
    Blog Post
    Published
    Feb. 2, 2016, 5 p.m.
    ... tracrRNA and Cas9, bind to these transcripts and C) cleave them leaving mature crRNAs bound to the Cas9...use a non-specific endonuclease (Cas9 or closely related Cpf1) to cut the genome and a small RNA (gRNA) ...
  9. Addgene’s Viral Service - Why Virus? Why Now?

    Type
    Blog Post
    Published
    March 23, 2017, 2:30 p.m.
    ...to produce and distribute virus. Addgene is a 501(c)3 nonprofit and our plasmid service was started based... Addgene’s Legal Team acquired permission from relevant plasmid depositors and their institutions to distribute...
  10. All in a Twist: dsRNA

    Type
    Blog Post
    Published
    Feb. 2, 2023, 2:15 p.m.
    ...and References References Wang, I. X., Grunseich, C., Fox, J., et al., Human proteins that interact with...bidirectional transcription. In an uninfected cell, dsRNA rarely circulates, but upon viral infection, this nucleic...barring a loss of mitochondrial integrity that would release them into the cytosol. Fig. 2: Endogenous...upon viral infection. Endogenously produced dsRNA rarely reach this threshold and thus do not typically ...
  11. Top Requested Lentivirus and AAV of 2016

    Type
    Blog Post
    Published
    Jan. 6, 2017, 3:56 p.m.
    ...Central PMCID: PMC3785459. 2. Krashes MJ, Koda S, Ye C, Rogan SC, Adams AC, Cusher DS, Maratos-Flier E, Roth...CRISPR tools, though we do provide a few non-CRISPR related viral preps. Cas9 is the headliner of most CRISPR...mCherry Our current AAV inventory consists almost entirely of viruses expressing DREADDs from Bryan Roth’...
  12. How to Keep a Lab Notebook for Bioinformatic Analyses

    Type
    Blog Post
    Published
    June 2, 2016, 2:30 p.m.
    ...python, R, perl, and ruby // This is a comment in C++ and Java Command line history: Tracking command...specific goal for each analysis will help you locate relevant information in the future. Approach: Outline...can store any power point, excel, or other files relevant to the project. README: The README.txt document...
  13. Advice for Starting a Biotech Company from a Grad Student turned Entrepreneur

    Type
    Blog Post
    Published
    July 10, 2014, 7:17 p.m.
    ...proven in (A) Productize, (B) Roll out to market, and (C) Break even cycles. Work hard. Work fast. Be flexible...effort in preparation and practice is directly related to success presenting." A journey from graduate...LabSpaces Blog Find a Buisness Plan Competition Good Relations - PR for the Biotech Business - Posted on Nature.com...
  14. Hot Plasmids - March 2019 - Anti-CRISPR, 2in1 Cloning, Fluorescent Voltage Indicators, and Photoswitchable Proteins

    Type
    Blog Post
    Published
    March 19, 2019, 1:31 p.m.
    ...Methods Mol Biol, 2018. PubMed PMID: 29043675.Grefen C and MR Blatt. Biotechniques 2012. PubMed PMID: 23066669...protein-protein interaction (PPI) studies in plants that rely on transient transfection systems using Agrobacterium... can be customized for protein visualization, relocation, degradation, modification, and scaffolding. ...
  15. Announcing the Winners of the 2021 Michael Davidson and Roger Tsien Commemorative Conference Awards

    Type
    Blog Post
    Published
    Aug. 5, 2021, 12:15 p.m.
    ...stimulation of dual virus-expressing CR neurons. (C) Duration of painful responses in the left and right...This biosensor changes fluorescence based on the release of glutamate from neurons and this new version ...iGluSnFR3 in vivo and have used it to detect glutamate release from hundreds of synapses at once. “This work has...functional contribution to a variety of behaviors related to addiction and pain. Once these are completed...neurons using GCaMP7, measuring calcium signaling related fluorescence during morphine administration and...
  16. Plasmids 101: Modular Cloning

    Type
    Blog Post
    Published
    March 12, 2024, 1:15 p.m.
    ...References and Resources References Weber E, Engler C, Gruetzner R, Werner S, Marillonnet S. A modular cloning...into larger units or circuits with functional relevance following a set hierarchy. MoClo originally developed...technique. Though rarer, you can find MoClo that relies on Gibson and other non-Golden Gate cloning methods...libraries depend on many gRNAs delivered with a relevant Cas nuclease. MoClo can be used to assemble multiplexed...identify the best cocktail of genes when the relationship between genotype and phenotype is best described...
  17. Antibodies 101: Affinity Reagents

    Type
    Blog Post
    Published
    April 14, 2022, 1:15 p.m.
    ...their monovalent nature. They are stable up to 80°C and can refold correctly after denaturing.  Designed...antibodies to antibody fragments to tools completely unrelated to antibodies.  Why use an alternative affinity...either re-develop or re-optimize your assay for an entirely new affinity reagent.    Fig. 1: A comparison... These are antibody mimics and are not closely related to antibodies. Instead, they are derived from a...
  18. Mouse Modeling, Part 1: Genetically Engineered Mice

    Type
    Blog Post
    Published
    July 11, 2019, 1:26 p.m.
    ... effect related to an experimental manipulation. Common inbred strains include C57BL/6, Balb/c, and 129...Mice are fed or injected with tamoxifen, which relieves natural inhibition of the Esr1 domain that blocks...
Showing: 221 - 240 of 274 results