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We narrowed to 704 results for: des.1

Showing: 601 - 620 of 704 results
  1. 3D Printing Meets CRISPR Cas9

    Type
    Blog Post
    ... – a mechanical device that could be used to bend 1/8th inch steel wire into a backbone structure of a...BioMolecular Modeling and the CEO of 3-D Molecular Designs. Have you ever held your favorite protein in the...favorite protein in your hand? At 3D Molecular Designs, we create physical models of proteins using 3D...off a small, family-run business – 3D Molecular Designs – to commercialize some of the best instructional...reaction to this model on his blog. Or, for a description of how effective this model was in explaining... up close and personal, visit the 3D Molecular Designs web site. Or, if you are visiting a local classroom...check out our hands-on teaching tools that are designed to make the molecular world real for students....
  2. dTAG - You're it!

    Type
    Blog Post
    ...cereblon, leading to rapid target degradation (Figure 1). Plasmids: We generated a series of plasmids that... molecule degraders” recruit the proteasome to destroy targeted proteins. We previously developed small...locus-specific knock-in of FKBP12F36V. Detailed protocols describing the use of these plasmids are available here....Nabet et al., Nature Chemical Biology additionally provides detailed information on cloning procedures used...degradation, and lead author on the recent paper describing the dTAG technology. Follow him on twitter @behnamnabet... 29581585. This reference contains the full description of the dTAG system. The dTAG system was employed...Conditional Mouse Models CRISPR 101: Cas9 Nickase Design and Homology Directed Repair Plasmids for endogenous...
  3. Plasmids 101: 5 factors to help you choose the right cloning method

    Type
    Blog Post
    ...your finished constructs at Addgene!). References 1. Li, Chaokun, et al. "FastCloning: a highly simplified...amazing project. You’ve written your protocols, designed your experiments, and prepared your reagents. ...following cloning methodologies have been extensively described in other articles; so if you are interested in...homology. You might also consider FastCloning, first described by Chaokun Li and colleagues. Here you simply ...-generated insert. When mixed, topoisomerase I provides both the endonuclease and ligase function while...restriction enzymes. In Golden Gate cloning, the desired end construct does not contain the type IIS recognition...This feature biases the reaction in favor of the desired assembly to make the process close to 100% efficient...
  4. CRISPR in the Clinic

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    Blog Post
    ...significant progress in clinical trials.     Figure 1: Types of delivery and editing strategies for CRISPR...introducing a desired edit, but this particular class of treatments has quite the opposite aim: to destroy. One...potential for treatment is no longer an accurate descriptor; progress in clinical therapy is more fitting...One treatment currently in clinical trials includes Cas3 (the shredder member of the Cas family) as part...CRISPR therapies have made significant clinical strides since we first wrote this blog post. The future...
  5. Overcoming the Challenges of Lentiviral Production

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    Blog Post
    ... CRISPR guides) while a single 72h harvest is best for larger genes such as Cas9. See figure 1 for an ...newer generation lentiviral packaging systems were designed to prevent the formation of replication competent...use 3 plasmids; an envelope plasmid that usually encodes VSV-G, a packaging plasmid containing structural...the best titer possible. While this information provides a great starting point, it may not translate to...
  6. Hot Plasmids May 2018 - Optogenetics, Decaffeination, Biosensors, and Fluorescent Protein Tools

    Type
    Blog Post
    ... little signal detected along the neurite (Figure 1.) Moreover, the group was able to demonstrate that...soCoChR-expressing system. Taken together, Shemesh et. al. describe a novel system for the precise mapping of neuronal...the single-cell level. Various soCoChR plasmids described in this work including the soCoChR-GFP plasmid...information about spatial and temporal organization. The design use to detect PKA activity can be generalized to...choice for FRET assays where a dark acceptor is desired due to its very low quantum efficiency. ShadowY...
  7. Savvy Advocates Needed to Navigate a Scientific Enterprise in Flux

    Type
    Blog Post
    .... Follow David on Twitter @driglar.   References: 1. Alberts, Bruce, et al. "Rescuing US biomedical research...for affecting change. On Friday, the symposium includes a panel discussion and keynote by former congressman...towards solutions. The 2015 Boston FoR meeting was designed to explore areas where further data is necessary...for students interested in leading the process despite the recent advance. Similarly, grad students throughout...development and implementation of new strategies designed to cope with current increases. These two rulings...
  8. 15 Hot Plasmids from 2017

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    Blog Post
    ...base editors with editing windows as small as 1-2 nucleotides! To reduce off-target effects associated with...Lower on-target activity than BE3; editing window ~1-2 nt  87438  pET42b-HF-BE3  HF-Cas9 (NGG)  Very ...cassette via Cre recombination. Each knockout includes unique barcodes and universal priming sites to ensure ... the Chi-Bin Chien lab (Kwan et al., 2007) and includes four promoters, six fluorophores with nonoverlapping...The set of CyRFP constructs available at Addgene includes bacterial and mammalian mCyRFP1 or CyRFP1 expression...codons) with kanamycin cassettes and were carefully designed to allow for easy removal of the resistance cassette...essential in B. subtilis 168. Each individual strain includes a xylose-inducible dCas9 paired with a single,...
  9. Tips for Using BLAST to Verify Plasmids

    Type
    Blog Post
    ...most comprehensive for searching. Timesaving Tip #1: If you know the species that your sequencing result...terrific getting-started guide for BLAST, which includes a simple explanation of the different BLAST programs...matrix BLOSUM62, but you may want to check the description of the other matrices to see if another would...alternatives Depending on your sequencing result and desired analysis, BLAST may not always be your optimal ...
  10. RaPID Detection of RNA-protein Interactions

    Type
    Blog Post
    ...for RaPID is an RNA motif of interest. See figure 1 below for details on the key components of RaPID. ...novel RNA-protein interactions, Ramanathan et al. designed an RNA bait containing three well conserved but...
  11. Antibodies 101: ELISA (Enzyme-linked Immunosorbent Assay)

    Type
    Blog Post
    ... to the use of multiple antibodies. Figure 1: Overview of using Sandwich ELISA to quantitatively...ELISA is a modification of the sandwich ELISA as described here, the direct and indirect ELISA (more details...
  12. Uncovering Ancestral Bias in CRISPR Research

    Type
    Blog Post
    ... digging deeply into their data.     Fig. 1: Genomic fraction for each of five major ancestry ... reference?  The CRISPR guides used in the screens they analyzed were designed to have a perfect match...African descent have approximately 20% more single nucleotide polymorphisms (SNPs) that map to guides in the...accounted for in the CRISPR guides they used, leading to mismatches between the guides and the lines’ genomes...modify the CRISpick algorithm to prevent guides from being designed that target regions with high genomic...coming through an unexpected source: the CRISPR guides, short pieces of RNA that bind to a cell’s DNA,...x-axis) which SNPs map to thetargeting sequences of guides across 8 CRISPR libraries. Samples are divided ...
  13. Science communication: 9 Strategies to Get Your Foot in the Door

    Type
    Blog Post
    ...started:  Subscribe to Career Blog Posts from Addgene 1) Twitter – Get your voice out there Here’s one thing... Guardian, BBC Breakfast or the Londonist. BBC provides a peak into their day-to-day business with popular...Co-Ordinating Centre for Public Engagement (NCCPE) provides on-site courses in public engagement for institutions...
  14. Reaching out to China: Canton Nucleic Acids Forum (CNAF) 2015

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    Blog Post
    ...viruses - 2 cas systems regulate at the DNA level and 1 at the RNA level. Udi Qimron from Tel Aviv University...plasmids, especially those of the CRISPR variety (see slides from my talk below). Largely organized by Dmitry...CRISPR regions of the prokaryotic genome. Then he desribed how P. furiosus has systems to defend against ...
  15. Illuminating Epigenetics with A FRET Based Biosensor

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    Blog Post
    ...treatment and improving patients lives. References 1. Ong-Abdullah, Meilina, et al. "Loss of Karma transposon... of the DNA with a high frequency of C and G nucleotides). The conversion of cytosine to 5-methylcytosine..., which binds selectively to lysine-methylated peptides. This construct is in the middle of a FRET pair...
  16. Capturing a Moment with Marc Zimmer’s “The State of Science”

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    Blog Post
    ...in restraint. The very first subheading in Chapter 1 asks “What is science?” That’s a very big question... Zimmer provides several. In Part Three of the book, called simply “Old Science,” he describes the now...teaching and communicating science for over two decades, attempts to answer it in five paragraphs, with...recent resurgence of “Do-It-Yourself Science” described in Chapter 3, and of course the rapidly changing... science.”  The three chapters in this section describe the challenges of trusting science in a “fake ...changed significantly over the last decade. He describes the detection of gravitational waves--a story ...collaboration from scientists around the world. The paper describing the waves’ detection had over 1,000 authors. ...
  17. Viral Vectors 101: Chemogenetics

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    Blog Post
    ...impacts of neural circuits on behavior. Figure 1: An overview of the chemogenetics system. Why use...DREADDs DREADDs DREADDS, or designer receptors exclusively activated by designer drugs, are G protein-coupled...Relationship Studies for Designer Receptors Exclusively Activated by Designer Drugs. ACS Chemical Neuroscience...Chemogenetics has become a popular tool in the field as it provides a noninvasive method for manipulating cell activity...Roth's and Takafumi Minamimoto's lab called deschloroclozapine (DCZ) shows promise as a CNO alternative ... Gomez J, Ramirez M, Hu X, Galvan A, Basu J, Michaelides M, Sternson S (2019) Ultrapotent chemogenetics...Conditional expression and signaling of a specifically designed Gi-coupled receptor in transgenic mice. Nature...
  18. xCas9: Engineering a CRISPR Variant with PAM Flexibility

    Type
    Blog Post
    ... NGT PAM GAA PAM GAT PAM xCas9 3.7 41 (1) 32 (1.6) 13 (2.1) 38 (4.5) 7.2 (5.2) ...insertion site, the corresponding gRNA might be undesirable due to potential off-target sites or low predicted..., resulting in lower overall genome frequency. Despite the progress we’ve made, there is still a need ...bacterial polymerase subunit ω. This construct is designed to activate transcription from the accessory plasmid... stringency and promoting survival of only the broadest-targeting variants. For the final round of evolution...spectinomycin resistance. xCas9 3.7 showed the broadest PAM range, recognizing NG, NNG, GAT, and CAA PAMs...scaffold. With an NGG PAM, xCas9 3.7-VPR constructs modestly outperformed SpCas9-VPR in activating transcription...
  19. Rabies and Neuronal Tracing

    Type
    Blog Post
    ... questions of how the brain operates. References 1. Callaway EM. Transneuronal Circuit Tracing with Neurotropic...widely used in neuroscience. In this post, I’ll describe how rabies virus (RABV) can be used in the brain... by modifying the wild-type RABV genome, which encodes a single envelope protein called rabies glycoprotein... neurons integrated into the brain over time (Deshpande et al., 2013). The study found that at early time...Dec; 18(6): 617–623. Pubmed PMID 19349161.  2. Deshpande A, Bergami M, Ghanem A, Conzelmann KK, Lepier ...Pubmed PMID 26190977. 6. Osakada F, Callaway EM. Design and generation of recombinant rabies virus vectors...
Showing: 601 - 620 of 704 results