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Showing: 61 - 80 of 981 results
  1. CRISPR History and Development for Genome Engineering

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    ...X, Scott DA, Mikkelson T, Heckl D, Ebert BL, Root DE, Doench JG, Zhang F. 2014. Genome-Scale CRISPR-Cas9...also like... CRISPR Guide CRISPR Protocols gRNA Design Tools CRISPR Blog Posts The CRISPR revolution shows... store a record of invading phages but also to destroy the phages upon re-exposure. More specifically,...complex binds to the foreign DNA and cleaves it to destroy the invader ( Figure 1 ). Figure 1: An overview...in vitro. In 2013, Cong et al. and Mali et al. described CRISPR-based genome editing in mammalian cell ... of new applications. The first CRISPR papers described two main categories of genome edits. First, the...very low off-target activity due to rationally designed mutations. Researchers have expanded the CRISPR...
  2. Zhang Lab CRISPR Page

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    ..., Scott DA, Mikkelsen TS, Heckl D, Ebert BL, Root DE, Doench JG, Zhang F. Science . 2014 Jan 3;343(6166...oligos (design is indicated below) can be cloned into the CRISPR array. The oligos are designed based on...also like... CRISPR Guide CRISPR Protocols gRNA Design Tools CRISPR Blog Posts Jump to: SpCas9 Plasmids...digested using BbsI, and a pair of annealed oligos (design is indicated below) can be cloned scarlessly into...vector before the sgRNA scaffold. The oligos are designed based on the target site sequence (20bp) and need...using SAM: Addgene plasmids #61422 - #61424 were designed for transient transfection : 61422 : Expresses... references are below. Available plasmids are described below: 61591 : PX601; CMV-driven SaCas9; U6-driven...
  3. Plasmids 101: The Wide World of Natural Plasmids

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    ....2024.01.039 Garcillán-Barcia, M. P., Redondo-Salvo, S., & de la Cruz, F. (2023). Plasmid classifications. Plasmid...difference is virulence plasmids! This category includes genes that help bacteria invade hosts, including...resistance to toxic substances like heavy metals or pesticides, enabling their hosts to survive where others...found on an E. coli fertility plasmid that also encodes a toxin, CcdB, and the resistance to that toxin...
  4. Simple CRISPR-based Epigenetic Editing: dCas9-directed DNA Demethylation

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    ...doi.org/10.7554/eLife.34870.  Kaas GA, Zhong C, Eason DE, Ross DL, Vachhani RV, Ming G-L, King JR, Song H,...Recently, however, a particular tool has gained widespread popularity – and notoriety – as a tool of choice...leave you with a few practical considerations: Design your gRNA to overlap the CpG of interest. Having..., too), but if this is not possible due to gRNA design restrictions, anything within 5 base pairs should...
  5. Adapting Toehold Switches to Detect Zika Virus

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    ...Green, Alexander A., et al. "Toehold switches: de-novo-designed regulators of gene expression." Cell 159.4...Specifically this includes primer directed isothermal RNA amplification, new toehold switch designs, CRISPR/Cas9...is an Assistant professor at the Biodesign Center for Molecular Design and Biomimetics and the School of...development of diagnostics. Mostly transmitted by Aedes mosquitoes (aegypti and albopictus) and, aided by... toehold switches, which allow for the rational design of RNA sensors that can detect virtually any RNA...areas conducive to the spread of the virus by the Aedes mosquito (Messina et al, 2016). We quickly assembled...spread out the risk for the project by initially designing and ordering several dozen versions of the toehold...
  6. Adenoviral Delivery of CRISPR/Cas9 Aims to Expand Genome Editing to Primary Cells

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    ... JA, Han Y-C, Ogrodowski P, Crippa A, Rekhtman N, de Stanchina E, Lowe SW, Ventura A (2014) In vivo engineering...targeted organs or tissues with Cas9 and a gRNA designed to target a mutated gene. In a Scientific Reports...Center are now available at Addgene along with a description of their experimental protocol. The three plasmids...plasmid tools, find more plasmids, CRISPR technology guides, FAQs, and CRISPR resources on Addgene's CRISPR...Additional resources on the Addgene blog How to Design Your gRNA for CRISPR Genome Editing by John Doench...
  7. No Llamas Required - Synthetic Nanobodies Against Membrane Proteins

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    ...https://doi.org/10.1101/2020.04.16.045419.  Wrapp D, De Vlieger D, Corbett KS, Torres GM, Wang N, Van Breedam...Zimmermann et al., 2020). This selection platform was designed so that any standard lab can quickly select for...strongly to your target protein. The Seeger lab designed 3 different mRNA sybody libraries for use in the... randomized with a defined set of different trinucleotides (corresponding to different amino acids) in...for binding to the target protein. The protocol describes going through two rounds of phage display to increase...interest. The Seeger lab used the ELISA technique described in their protocol because it is less susceptible...
  8. AAV Vector Quality Control: Going the Extra Mile with NGS

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    .... When contamination is suspected, we proceed to de novo assembly of the unmapped reads, employing our...transduced cells whenever possible. This post will describe our workflow for viral genome sequencing (VGS)...
  9. Plasmids for Stem Cell Research

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    ... cell reprogramming factors and wait for cells to de-differentiate. However it may be difficult to decide...blog post Delivery Methods for Generating iPSCs provides an overview of several different reprogramming...find more information. Delivery Method Species Description Article PI Lentivirus Human Expression of human...
  10. Tips for a 1st time AAV user (by a Rookie AAV user)

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    ... Special thanks for Dr. Dan Stone and Harshana de Silva Feelixge at Fred Hutchinson Cancer Center for...plasmids to produce AAV: 1) the RepCap plasmid which provides the AAV replication (rep) and capsid (cap) genes...replication; and 3) the transfer plasmid which encodes a transgene of interest that’s packaged into the...
  11. Negative Can Be Positive: Open AAV Data with Addgene

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    ...392–400. https://doi.org/10.1038/s41434-018-0028-5 de Backer, M. W. A., Brans, M. A. D., Luijendijk, M....of negative data.  Negative AAV data is highly desirable  In a survey we conducted to improve our Addgene...every researcher experiences and that it often provides incredibly valuable insight into one’s work. As... Hub is here to help!  The Addgene Data Hub is designed to help scientists understand how our vectors ...standards (clear and detailed methods and image descriptions, a minimum n = 2, and well labeled high- and...the Data Hub. These minimum data standards are designed specifically to allow scientists to evaluate how...
  12. Lentiviral Vector Uses and Overview

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    ...to sickle cell disease. Hoban MD, Orkin SH, Bauer DE. Blood. 2016 Feb 18;127(7):839-48. PubMed PMID: 26758916... but without sustained transgene expression. To design a viral vector system that could do both, Addgene...infect. Finally, the transfer plasmid encoded the desired transgene flanked by HIV-1 long terminal repeats... knockout cell lines. Many CRISPR plasmids are designed for lentiviral use, including Addgene’s top requested... check out our lentiviral plasmid and biosafety guides before beginning your experiment. Let us know how...
  13. Overcoming the AAV Size Limitation for CRISPR Delivery

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    ...science.aaq0180  Fine EJ, Appleton CM, White DE, Brown MT, Deshmukh H, Kemp ML, Bao G (2015) Trans-spliced ...as potent and specific? The two AAV strategies described above showed successful target modification, indicating...from Streptococcus thermophilus and a rationally-designed truncated Cas9. Unfortunately, certain drawbacks... approximately 1350 amino acids in size, which includes SpCas9, and shortern orthologs approximately 1000...Split inteins are a pair of naturally occuring polypeptides that, when at the ends of two proteins, mediates... proof-of-concept split intein SpCas9 which had modest editing rates in HEK-293T cells when compared to...capabilities of full-length SpCas9. This set of plasmids includes AAV-Cas9C-VPR for targeted gene activation. Split...
  14. An Introduction to Adenovirus

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    ...adenoviral vector infected cells does not require de novo viral gene expression: Implications for gene...a physiological effect of SARS-CoV-2 toward destabilizing one’s natural immune response to Adenovirus ...viruses infecting humans (from seven species, designated as letters A–G) exist. The life cycle of AdVs...short-lived. It is worth noting that it is possible to design a vector that achieves persistent transgene expression...
  15. Thoughts on the Future of Research 2015 Boston Symposium

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    ... out to me were: Decrease the Number of Postdocs De-incentivize going into PhD programs as the standard...environments. Slide from Paula Stephan’s Talk (All slides can be found here). Importantly, the panel offered... joining long programs if it is obvious that a desired career outcome is not easily achieved. Of note...clearly not equitable to that of other trainees despite the fact that the underrepresented individual is...
  16. An Integrin Antibody Toolkit from IPI

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    ... 26 recombinant antibodies (rAbs) either produced de novo using yeast display technology or produced from...response, tissue repair, and kidney development. Despite their ubiquity and significance, these receptors...available through Addgene’s repository. The collection includes 26 unique antibodies that bind discrete subunits...and migration, initiating intracellular signal cascades, and allowing agile responses to mechanical forces...
  17. Plasmids 101: Biotinylation

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    ...26224555. PubMed Central PMCID: PMC4884002. 10. Boer, E. de, Rodriguez, P., Bonte, E., Krijgsveld, J., Katsantoni...Northern blotting Cell surface labelling Attaching polypeptides to a substrate Flow cytometry/fluorescence-activated...your downstream application. Biotin labelled oligonucleotides can be used in a multitude of applications...commonly used this method to attach proteins or polypeptides to a solid substrate (Holden and Cremer, 2003...
  18. Building Global Connections with the International Mentorship Program USA-EUROPE

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    ...University of Oviedo, the European University Miguel de Cervantes, the University of Navarra, and the University...together with the universities, a bright future. IMP provides matched one-on-one international mentorship, with...recommended, a mentor with international experience provides his/her mentees with a broader, first-hand vision...
  19. Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus

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    ...doi.org/10.1002/emmm.201302948 Trapani I, Toriello E, de Simone S, Colella P, Iodice C, Polishchuk EV, Sommella...physical size of the genomes is still ~4.7kb. But despite this, larger functional transgene products were...HDR event can’t occur. Lastly, depending on its design, donor A may be capable of expressing a truncated...
Showing: 61 - 80 of 981 results