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  1. Typing CRISPR Systems

    Type
    Blog Post
    ...classification system for the array of CRISPR technologies. Learning the general principles of this classification...systems. Type III systems are unique, as they can technically target both RNA and DNA, though it is largely...the first taught when introducing CRISPR as a technology. There are three subtypes, A–C, with the beloved...Y. (2018). Class 2 CRISPR/Cas: an expanding biotechnology toolbox for and beyond genome editing. Cell ...Yoshimi, K., & Mashimo, T. (2022b). Genome editing technology and applications with the type I CRISPR system...
  2. Editor's Choice, September 2016

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    Blog Post
    ...this post even more useful to your colleagues. Technique: Probe Phage Genomes for Host Binding Proteins...editor’s choice posts this month. The first, "Technique: Probe Phage Genomes for Host Binding Proteins...from the University of Alberta and describes a technique you can use to find phage proteins that bind to...2) The post describes an ingenious but simple technique to screen for proteins that could be useful for...
  3. Celebrating Outstanding CRISPR/Cas9 Achievements at the Dr. Paul Janssen Award Dinner

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    Blog Post
    ...are swarming to see what can be done with this technology to help patients. Dr. Stoffels and others in ...months compared to a year or greater with older technologies. Addgene is proud to be helping get CRISPR reagents..., the panelists agreed that, for example, the technology is already available today to cure sickle cell...really sophisticated”.     New to CRISPR/Cas9 Technology? Learn More: Addgene's CRISPR/Cas9 Guide History...
  4. Lentiviral CRISPR Libraries Enable Genome-Scale, Knockout Screening

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    Blog Post
    ...It’s clear that CRISPR-Cas9 technology has really changed the game for anyone looking to quickly and ...question. Additionally, a concurrent Nature Biotechnology article describes the development of a mouse...accessible before are now accessible using this technology.” GeCKO library for genomic screens Using lentivirus... Castillo Velasco-Herrera M, Yusa K. Nature Biotechnology. 2013 Dec 23. (Article). Read more about CRISPRs...
  5. Hot Plasmids and Viral Preps - July 2021

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    Blog Post
    ...sensitive detection of the plant hormones strigolactones By Fabienne Furt Current methods used to detect strigolactones...CRISPR-based editing in organoid Biosensors for detecting strigolactones The CRISPR Corner New ready-to-...intensity, it provides a direct and quantitative detection of SLs. The authors also showed that the receptor-based...
  6. Using Ultrasound to Image Bacteria in vivo: Acoustic Reporter Genes

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    Blog Post
    ...limitations by using gas vesicle reporters that are detectable by an inexpensive and widely available imaging...fluorescent or bioluminescent reporters usually only detects the signal of the reporter and fail to pinpoint...each ARG’s distinct ultrasound fingerprint can be detected. Bourdeau et al calls this method acoustic collapse... in relation to internal organs. The limit of detection for arg1 expressing ECN is 109 cells/ml, which...
  7. CUT&RUN: An Improved Method for Studying Protein-DNA Interactions

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    Blog Post
    ...material for a ChIP-seq experiment can be a major technical hurdle.   ChIP-seq requires  cross-linking during...improvement and simplification of the original technique, specifically in terms of initial steps of cell...ChIP-seq, especially in situations when it is technically challenging to collect large numbers of cells...the CUT&RUN method, it seems likely that this technique will quickly become a standard method alongside...
  8. Antibodies 101: Affinity Tags

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    Blog Post
    ...purification tools (and can have secondary functions as detection aids.) When a single protein is expressed, with...from solution. MBP antibodies are available for detection and/or purification of MBP-tagged proteins. The...alternative to amylose resin and also provides a visual detection mechanism via applications such as western blot...of interest, especially if downstream antibody detection is desired… and yes, we have an antibody for that...
  9. Plasmids 101: Walkthrough of Addgene’s Snapgene-Powered Quality Control Process

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    Blog Post
    ...Snapgene generated maps provide improved feature detection with an easy to use interface. We regularly use... linear or circular sequence. Next, we use the “Detect Common Features” function to find and annotate ...s “Import primers from a list” function, we can detect all of the primers we have designed that will anneal...plasmid maps and sequences use the same feature detection software as the desktop version of Snapgene. When...
  10. Advice for Choosing a Research Project

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    Blog Post
    ... be your critical experiments and why? What techniques and skills do you need to use to reach these ...address a topic in a mechanistic way using the technology available.” Choosing a research project “entails...entails good judgement with the current technology to identify a problem, asking what approach will I take... importance of combining “new discoveries or technologies increase chances that your project will be fresh...
  11. Antibodies 101: Avoiding the Mouse on Mouse Mess in IHC

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    Blog Post
    ...context of IHC, but the problem can impact other techniques like Western blots or immunocytochemistry (ICC... described here may be as effective for other techniques, but it is important to be aware that the issue...Flexible Mouse-On-Mouse Immunohistochemical Staining Technique Adaptable to Biotin-Free Reagents, Immunofluorescence..., Jacob DA (1990) A novel immunohistochemical technique for demonstration of specific binding of human...
  12. Celebrate Open Data Day with Addgene’s AAV Data Hub!

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    Blog Post
    ...AAV viral preps to easily find and share useful technical data. These data focus on experimental design ... These questions are focused on injection and detection methods. For example, you can provide location...you wait until performing the experiment? What detection methods did you use for expression of AAV cargo...Considerations For Precise Neuronal Targeting Using AAV Technologies Using AAV for neuronal tracing Resources on...
  13. Plasmids 101: TOPO Cloning

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    Blog Post
    ...no post-PCR procedures. Sounds easy right? The technique relies on the basic ability of complementary basepairs...called TOPO-TA) cloning; however, the TOPO cloning technique has also be adapted for blunt end cloning. So ... DNA ends to facilitate replication. The TOPO technique specifically uses Vaccinia virus-isolated topoisomerase...Protocols Catch Up On Your Basic Molecular Biology Techniques Watch Our Protocol Videos ...
  14. Donations from Addgene to Yield Answers for Rare Disease Researchers

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    Blog Post
    ...the chance to win some of the latest tools and technologies in life sciences research. The rare disease ...countries. “Over $600,000 worth of cutting-edge technologies were awarded to study 31 rare diseases,” said...ll combine induced pluripotent stem cell (iPS) technology and CRISPR-Cas9 constructs from Addgene to gene-edit...those mutations, they now plan to use CRISPR-Cas9 technology to create cell lines and/or mouse models carrying...
  15. Visualizing Genomic Loci with CRISPR-Sirius

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    Blog Post
    ...fluorescent ligands to the loci of interest. Dual color detection In order to label two loci simultaneously, Ma ...CRISPRainbow) to 3-fold with CRISPR-Sirius. Triple color detection With a third sgRNA containing alternating MS2 ...target site. Of these, 26 of the 46 loci gave a detectable signal in human U2OS cells. Based upon this, ...engineered sgRNAs using CRISPRainbow.” Nature Biotechnology 34 (2016): 528-530. PubMed PMID: 27088723 PubMed...
  16. Optimizing Donor DNA for Enhanced CRISPR Genome Editing

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    Blog Post
    ...experiments in this publication were performed using a technique called nucleofection, which introduces functional...2016, and Kim et al 2014) have shown that this technique supports extremely high frequencies of genome ...experiments to try nucleofection as (in our hands) this technique supports gene disruption or gene replacement frequencies...CRISPR-Cas9 using asymmetric donor DNA." Nature biotechnology (2016). PubMed PMID: 26789497.  2. Lin, Steven...
  17. Plasmids 101: Screening Strategies Used in Plasmid Cloning

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    Blog Post
    ...analysis blog post. Colony PCR Colony PCR can detect the presence or absence of DNA using lysed bacterial...plasmid. In this case, you’d be using colony PCR to detect your insert, either by using primers that are specific...time-intensive than Sanger sequencing or the other techniques mentioned above. In molecular biology, cloning...By using a variety of screening and selection techniques, you can increase the chances of finding the ...
  18. A Deep Dive into BioBuilder

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    Blog Post
    ...inspire them and also keep up with all the new biotechnology.” These are the types of inquiries that routinely...experiential learning. “Students may forget the technical details they hear in their classes,” she said,...module currently under development comes from the Caltech lab of Professor Richard Murray. Murray’s lab uses... DNA circuits and logic gates. This BioBuilder-Caltech collaboration has resulted in a new BioBuilder ...
  19. Sharing is Caring: But How to Distribute Open Hardware?

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    Blog Post
    ...revolutionary physical approaches. However, with each new technical achievement, the complexity of the device increases...PhD, I have been convinced that most microscopy techniques can be replicated with commercially available...available tools and components. Rapid prototyping techniques such as 3D printing, on-demand CNC milling, and... and PCB manufacturing. These newly developed techniques are the key enablers for making assemblies open-source...
Showing: 301 - 320 of 794 results