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Showing: 181 - 200 of 705 results
  1. CRISPR Activation: A Practical Guide

    Type
    Blog Post
    ...latency (Bialek et al., 2016). Additionally, CRISPR-based activation can be made inducible upon environmental...through all the troubleshooting required for Cas9-based activation. CRISPRa for genome-wide studies One ...larger scale of activation allows for exploratory-based research as well. For example, CRISPRa can be used... interactions. Additionally, large scale CRISPR-based screens can be used to gain insight into protein...date his group has develop several popular CRISPR-based tools for altering DNA sequence or regulating gene...
  2. To Each HIS Own

    Type
    Blog Post
    ...will focus on one of the most common, purification based on the polyhistidine tag. What is the polyhistidine...tag was developed as a means to purify a protein based on the affinity of the imidazole ring of histidine...Bornhorst 2000).  One downside of polyhistidine tag-based purification, however, is the propensity for nonspecific... tags can also be used as a target for antibody based assays. Antibodies are useful tools for studying...
  3. Plasmids for Endogenous Gene Tagging in Human Cells

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    Blog Post
    ...amino acid linker to use. These decisions were made based on known functional aspects of the protein gleaned...sequence into which it is being inserted: one thousand base pairs on each side, in fact. Later, when we transfect...precautionary measure, it’s also good to make a few single base pair mutations in crRNA target sites found within...endogenous gene tagging systems. Addgene’s CRISPR-based Protein Tagging collection includes systems for ...
  4. Fluorescent Proteins 101: Fluorescent Biosensors

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    Blog Post
    ...Reporter signals may be electrochemical or light-based, with luminescent and fluorescent reporters being... domain induces changes in a fluorescent signal based on ligand presence or changing cellular conditions...Method Notes Quantification of a process Plate-based assays (plate reader) Detect the average amount...
  5. Twenty Years of Sharing Science!

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    Blog Post
    ...repository for DNA-based materials, including our popular kits and libraries. This DNA-based materials repository...
  6. CRISPR Plasmids - Epigenetics

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    Collection
    ...Browse CRISPR Plasmids By Function Genome Editing Cut Base Edit Nick Prime Edit Transcriptional Regulation ...
  7. CRISPR in the Clinic

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    Blog Post
    ...initiating a base editor-based clinical trial for SCD in 2022 and Editas Medicine starting a Cas12-based clinical... today. Below we will review some of the CRISPR-based editing therapies that are currently approved or...
  8. 27 Hot Plasmids from 2016

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    Blog Post
    ...called GMAP (Gibson assembly-based modular assembly platform). GMAP is based on the Gibson Assembly method... Cas9-based AID tagging Seven years ago, Masato Kanemaki's lab successfully used the plant-based auxin-inducible...University, we are now providing a powerful CRISPR-based screening source for the Drosophila community as... it is composed of two sub-pools. The first is a base “90k library” that contains ~90,000 gRNAs that target... biosensor A pH-sensitive fluorescent biosensor-based assay system was recently deposited with Addgene...University of Zagreb, constructed a CRISPR-Cas9-based tool for targeting CpG methylation by fusing catalytically...proteins in a target cell. In addition to nucleotide-based linking strategies, post translational protein fusion...
  9. CUT&RUN: An Improved Method for Studying Protein-DNA Interactions

    Type
    Blog Post
    ...robust protocol it does have limitations. The enzyme-based CUT&RUN method overcomes many of these limitations...interacting. The CUT&RUN method Enter CUT&RUN, an enzyme-based protocol for identifying DNA binding patterns that...sets, of which there are many readily available. Based on the success that our lab and others have had ...
  10. Meet the New Addgene Board Members!

    Type
    Blog Post
    ...School, he developed the first lentiviral microRNA-based system for polymerase II-regulated RNA interference...virology,” he says. He was working in an HIV lab and based on that experience, soon directed himself to finding...months, the lab began a project to develop an AAV-based COVID-19 vaccine.  Vandenberghe’s work with AAVs...
  11. Sensing Neuronal Dopamine

    Type
    Blog Post
    ...from some labs have developed fluorescent-protein based DA sensors (Figure 2). The dLight1 dopamine sensor... dLight1 sensor is a single fluorescent protein-based sensor. This sensor was engineered from a GFP variant...sensor Yulong Li’s lab has created the GRABDA sensor based on a similar strategy: a GFP variant bound to a ...
  12. Early Career Researcher Toolbox: Free Tools for Making Scientific Graphics

    Type
    Blog Post
    ... or other products in the suite. Since it’s web-based, you could access it from anywhere. Its ease of ...Biorender is like clip art for scientists. The web-based collection of over 20,000 icons is designed by professional...stop struggling to make figures in PPT 🔬 Also, the base version is free, forever 💜 https://t.co/KJpyxgxeQt...
  13. Single-cell tracking of lineage and identity with CellTag

    Type
    Blog Post
    ... level with CellTag CellTagging is a lentiviral based tagging method that labels cells with heritable ...three-fold increase of fully reprogrammed cells based on single-cell gene expression patterns. The lab...Chuner, et al. "CellTag Indexing: genetic barcode-based sample multiplexing for single-cell genomics." bioRxiv...
  14. Early Career Researcher Toolbox: Free Online Molecular Biology Tools

    Type
    Blog Post
    ...desktop-based software for plasmid design and mapping. ApE (A plasmid Editor): A free, donation-based plasmid...knowledge resource for cell lines IBEX Knowledge Base: A data repository for validation data on IBEX reagents...antibodies: A database of validated antibodies for mouse, human, and marmoset brain IHC.  FPbase: A data repository... Flame plasmid pET21a-BirA.   DNA / protein database search and analysis tools Addgene's analyze sequence...sites Open reading frame finder  Addgene vector database: Find sequences for plasmids assembled from publications...nucleotide or protein sequences to sequences in a database ExPASy translation tool: Translates a DNA sequence...sequence using all six open reading frames UniProt: A database of protein sequence and functional information...
  15. FastCloning: A Newer, Simpler Cloning Technique

    Type
    Blog Post
    ...polymerase, the construction of specific sequences for base pair overhangs, insert and vector purification, ...specific to the insert with an additional 15-17 bases that are complementary to the overlapping vector...introduced into my inserts. However, with any PCR-based cloning technique there is a chance of introducing...
  16. 8 Great Depositor Research Stories

    Type
    Blog Post
    ...tells us about a new tool for efficient multiplex base editing and multiplex prime editing (requiring minimal...dCas9 (with no modifications!) as a CRISPR/dCas9-based tool for DNA demethylation. AAV Q&A with Tim Miles...
  17. CRISPR 101: Targeting Non-Coding RNAs with CRISPR/Cas9

    Type
    Blog Post
    ...short ncRNAs, such as microRNAs that are around 20 base pairs long. Using a single guide RNA (sgRNA) to ...Figure 1: A schematic illustration of CRISPR/Cas9-based approaches to study ncRNAs. (A) Transcription start...your experiments, there are plenty of other CRISPR-based options that can target ncRNAs.  CRISPRi and CRISPRa...10.1126/science.1225829  Hazan J, Bester AC. CRISPR-Based Approaches for the High-Throughput Characterization...
Showing: 181 - 200 of 705 results