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  1. Celebrate National Book Month with Addgene

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    Blog Post
    ..., Musicophilia includes case studies of relevant neurological atypicalities, including a patient with ...protagonist, some clever magic, and a satisfying conclusion? In this series, there is always another secret...
  2. Synthetic Photobiology: Optogenetics for E. coli

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    Blog Post
    ...biological processes is highly useful in other fields, including synthetic biology. Addgene depositors Christopher...effectors are suboptimal for a number of reasons, including their potential toxicity and cross-reactivity ...they can be used with many types of proteins, including Cas9 and dCas9-transcription factors, for which...
  3. Communicating Your Science With Help From ComSciCon

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    Blog Post
    ... aspects of the work you presented may also be unclear. 2. Make the audience your primary focus When writing...will it make them think? Does this lead to the conclusions I want them to draw and the perspective I want...scientists has formed around science communication, including the teams at Addgene, ComSciCon, and many more...
  4. Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering

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    Blog Post
    ...previously identified Cas13a-c orthologs, but they do include HEPN nuclease domains characteristic of the Cas13...these studies also identified other advantages, including Cas13d-specific regulatory proteins and high targeting... knockdown by CasRx for each of four targets, including two mRNAs and two nuclear long non-coding RNAs...
  5. A Deep Dive into BioBuilder

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    Blog Post
    ...classes, some pick and choose a few lessons to include each year; others use BioBuilder as an afterschool... work with one of five BioBuilder kits — which include lab materials and reagents such as droppers, centrifuge...for both STEM teachers and STEM-loving students include The BioBuilder High School Apprenticeship, preparing...
  6. Viral Vectors 101: Biosensors

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    Blog Post
    ... fluorescence in the presence of calcium. This includes FRET-based sensors such as Twitch. While calcium...world, there are sensors available for other ions including magnesium, potassium, and zinc. These ion sensors...sensors designed for them. For example, this class includes tension monitors associated with specific proteins...
  7. Viral Vectors 101: Gamma-Retroviral Packaging Systems

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    Blog Post
    ...genome. Typically, it is the sequences between and including the LTRs that are integrated into the host genome...internal promoter. An internal promoter must be included as the wildtype LTR promoter is no longer present...-retroviral plasmids have similar names? The nomenclature of the plasmid backbone is meant to be descriptive...
  8. Hot Plasmids - February 2022

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    Blog Post
    ...applications. This set of new anti-FLAG frankebodies includes mEGFP, mRuby2, iRFP713, SNAP-tag, and HaloTag ...HaloTag fusions, while the anti-HA frankenbodies include mEGFP, mCherry, and HaloTag. Figure 1: (a) Anti-FLAG...frankenbodies have a variety of applications, including live-cell imaging, single-molecule tracking, immunolabeling...
  9. Kiran Musunuru on the Newest TALEN Genome-Editing System

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    Blog Post
    ...target a particular DNA sequence? Musunuru: The kit includes 832 plasmids containing prefabricated pieces that...the kit have the rest of the protein in place including FokI endonuclease domain as well as fluorescent...use as testified by the fact that the TALEN kit includes 834 plasmids for the pieces you need to assemble...
  10. Human Germline Editing Using CRISPR

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    Blog Post
    ...published, a bioRxiv preprint that questions the conclusion of inter-homologue recombination was released...off-target effects attributable to CRISPR editing. Conclusions & implications One striking feature of this paper...editing rates vary widely from gRNA to gRNA, it’s unclear where this study would fall in terms of editing...
  11. Antibodies 101: Polyclonal Antibodies

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    Blog Post
    ... antibodies available (others you’ll encounter include monoclonal and recombinant antibodies). By the ...further antibody production, polyclonal antibodies include any antibodies produced during the immune response...staining you are seeing is real. It’s important to include a negative control using serum from the same species...
  12. Gendered Innovations: Why Does Sex of the Cell Matter?

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    Blog Post
    .... In the case of stem cells, these factors may include cell type, the disease being treated, and other...immunological, and environmental factors. How to include sex in experimental design Recognizing the importance...Institutes of Health (NIH) now requires that sex be included as a biological variable in all NIH-funded research...
  13. Working with Nuclear Receptors

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    Blog Post
    ...fat-soluble hormones, vitamins, and dietary lipids. Included in this family are receptors for endocrine steroids... to treat a multitude of therapeutic indices, including hypertension, cancer, diabetes, cardiovascular...interface, expanded numbers of curated molecules, including 400 or so coregulators, and a greatly expanded...
  14. 6 Tips for Grant Writing

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    Blog Post
    ...paragraph and point out words or sentences that are unclear. We’re so used to conversing with other scientists...to a lay audience. My lay paragraph typically includes a couple of sentences of introduction to my area...published in a paper, but positive outcomes can include poster presentations, talks about your work, or...
  15. Hot Plasmids February 2024

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    Blog Post
    ...nearly 100% in some cases) and minimal toxicity, including in clinically-relevant lines such as CAR-T cells...all applications. Addgene’s plasmid collection includes over 10,000 plasmids with a FLAG tag (!), but ...recombinant antibodies as well? Our collection includes a mouse and a chimeric rabbit (original mouse ...
  16. Simple CRISPR-based Epigenetic Editing: dCas9-directed DNA Demethylation

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    Blog Post
    ... recognized by distinct proteins and result in unclear transcriptional consequences (Sprujit 2013). Enzymatic...local gene expression, confounding any potential conclusions about the role of methylation (Hrit et al. 2018... many effects independent of dCas9 targeting, including modifying other sites in the genome and directly...
  17. Plasmids 101: In-house NGS Plasmid Quality Control Now at Addgene

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    Blog Post
    ...the quality of other services that we provide, including viral preps and pooled libraries. As anyone who...throughout the library preparation process and includes Picogreen quantification of various intermediate...particularly difficult to sequence and assemble, including GC rich regions. For example, the CAG promoter...
  18. Adapting Toehold Switches to Detect Zika Virus

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    Blog Post
    ... of infection and rare, but severe, symptoms, including the development of fetal microcephaly and Guillain-Barré...seven institutions involved in the effort. This inclusive and open approach by all involved definitely contributed...transformed the assay’s capabilities. Specifically this includes primer directed isothermal RNA amplification, ...
  19. Mobile-CRISPRi: Bringing CRISPRi to Diverse Bacteria

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    Blog Post
    ... transferable into multiple bacterial species including several involved in human disease. However, the...every ~100 to 1,000 colonies, but some bacteria, including E. faecalis and P. mirabilis, had only ~1 transfer...Mobile-CRISPRi expands CRISPRi to non-model bacteria including pathogenic strains and environmental isolates....
  20. Hot Plasmids: Winter 2025

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    Blog Post
    ...series of single- and double-tagged constructs (including "CLAP", combining an N-terminal CLIPf tag and ...detect action potentials and subthreshold events, including miniature excitatory postsynaptic potentials (...triggered by endogenous GPCR. Example applications include large-scale pharmacological profiling or interrogation...
Showing: 221 - 240 of 758 results