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We narrowed to 991 results for: Des

Showing: 81 - 100 of 991 results
  1. Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus

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    Blog Post
    ...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...
  2. CRISPR 101: Epigenetics and Editing the Epigenome

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    Blog Post
    ...oncogenic silencing in vivo by programmable and targeted de novo DNA methylation in breast cancer. Oncogene 34...which uses light to regulate transcription, also includes light-regulated histone methyltransferases and...histone modifications. Like the TALE-LSD1 system described above, dCas9-LSD1 inactivates targeted enhancers...certainly not the only CRISPR-based technology designed to alter gene expression. Fusing dCas9 to a transcriptional...epigenetic modifiers? As with any experiment, your desired outcome will determine the tool that you should...
  3. Recombinase-based State Machines Enable Order-dependent Logic in vivo

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    Blog Post
    ...Green, Alexander A., et al. "Toehold switches: de-novo-designed regulators of gene expression." Cell 159.4...also be used to design primers to read states by qPCR or Sanger sequencing as described in the Material...hammerhead ribozyme parts are described in Nielsen et al (3) and Lou et al (4). Despite choosing proper register...machine design space is highly degenerate and often times there are multiple register designs that may...recognition sites from the register. If the RSM is designed in such a way that each possible order of inputs...segments in each state of a register enables the design of primer pairs that PCR amplify in some states...registers within a sample using a metric that we describe in the Materials and Methods section of our paper...
  4. Plasmids 101: Repressible Promoters

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    Blog Post
    ...2022). https://doi.org/10.1038/s41598-022-07852-7 De Boer, Herman A., Lisa K. Comstock & Mark Vasser. ...to the promoter and turning transcription OFF. Despite their bacterial origins, Tet systems function well...promoters can be used in the repressible manner described above, as well as the inducible manner detailed...30 years since the original Tet-Off system was described by Gossen and Bujard, both the promoter and transactivator...cells, and can be used in the repressible manner described above, as well as the inducible manner detailed...tissue- or developmental stage-specific promoter and design a UAS reporter construct, the reporter will only...simple answer is that sometimes it is necessary or desirable to control or look at multiple genes at the same...
  5. 22 Hot Plasmid Technologies from 2014

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    Blog Post
    ...bacterial mutagenesis or gene targeting Victor de Lorenzo's lab has engineered a modular mini-Tn5 vector...on channelrhodopsins – Chronos & Chrimson Through de novo sequencing of 127 algal transcriptomes, as well...components into a destination vector in a predefined order. Finally, the destination vectors are used ...engineering approach, they designed Opto-RTKs, which activate signaling cascades on exposure to low-intensity...years of distributing his Designer Receptors Exclusively Activated by Designer Drugs (DREADD) plasmids ...minimizing confounding secondary effects? An approach described as “knocksideways” (a British idiom for “taking...recombination elements such as FRT or Lox sites, and provides a modular system for easier exchange and re-use...
  6. 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...
  7. 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...
  8. Plasmids 101: Dimers and Multimers

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    Blog Post
    ...Strausbaugh LD, Gray P, Vartak NB, Brown M, Talbot D, Berg DE. pBR322-derived multicopy plasmids harboring large...confirmations like linear and nicked plasmids, as described in this article.   Long-read sequencing Addgene...bacterial colonies using one of the detection methods described above can help ensure the isolation of the monomeric...copy number plasmids causes instability: CoIE1 encodes a determinant essential for plasmid monomerization...Carnes AE, Hodgson CP. Plasmid DNA vaccine vector design: impact on efficacy, safety and upstream production...
  9. With an Eye Towards the Future, We Look Back at the March for Science

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    Blog Post
    ...policies that “muzzle” government scientists to the de-funding of crucial environmental research programs...and minority communities, where these issues hit hardest. According to the Guttmacher Institute, most women...was supremely proud of Nashville that morning. Despite the rain, about 4,000 supporters of science showed... an agenda that halts current data collection, destroys existing data, and guts future funding.I marched...science belongs to the taxpayers who fund it, and we deserve to know the truth about our world. Jonathan Aguilar...
  10. An “elegans” Approach to Better CRISPR/Cas9 Editing Efficiency

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    Blog Post
    ...https://doi.org/10.1093/nar/gku289 Chen C, Fenk LA, de Bono M (2013) Efficient genome editing in Caenorhabditis... DNA double-strand breaks up to 54 bp from the desired insertion site result in efficient editing. Repair...available through Addgene. In 2019, Farboud et al. described another similar co-conversion marker (repair of...whether it be by improved gRNA or repair template design, delivery, screening, and more. Here are some highlights...highlights from the past few years:  Repair template design The Meyer lab meticulously characterized several...of editing. First, they devised guidelines for designing single-stranded repair templates (Farboud et al...Tools such as SapTrap Builder greatly simplifies design of these constructs, allowing novice researchers...
  11. 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...
  12. Delivery Methods for Generating iPSCs

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    Blog Post
    ... cell reprogramming factors and wait for cells to de-differentiate. However it’s difficult, especially... with peptides that help mediate their transduction, such as the polyarginine peptide described in Zhou...reprogrammer, to decide which method to use. This post provides a brief overview of reprogramming methods with... Paramyxoviridae family of viruses, which also includes measles and mumps. Sendai transduces a wide range...in practice integration can occur. Okita et al describes a protocol for generating iPSCs by plasmid transfection...
  13. Plan Your Experiment

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    ...used for gRNA design. Read more about how to design your gRNA . Synthesize and Clone Desired gRNAs Once ...multi-plasmid SAM system Activate Design and Clone Your gRNA Achieving your desired edit comes down to location...on proper gRNA design. While there are some cases where it makes sense to manually design a gRNA, in most...most cases gRNA design software is better and more efficient at designing potential gRNAs for you to choose...selected, it’s time to design your gRNA oligos and clone them into your desired vector. In many cases,...experiment, including selecting the edit type, designing and cloning a gRNA, delivering Cas and the gRNA... Science Guides CRISPR Guide Plan Your Experiment Plan Your CRISPR Experiment...
  14. CRISPR References and Information

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    ...CRISPR/Cas design (Link opens in a new window) Program for designing optimal gRNAs. Provides feedback on...window) This tool helps design (10 different prediction scores), clone (primer design), and evaluate gRNAs...Addgene Church gRNA design and cloning gRNA cloning vector PDF, 118 KB Church gRNA design and cloning for ...window) CRISPR/Cas9 reagent generation; gRNA design; HDR design; Deep sequencing Cas9: pMLM3613 dsDNA donor...CRISPR resources and references, including gRNA design tools, CRISPR FAQs, and community forums. CRISPR...protoSpaceJAM is an all-around platform for CRISPR knock-in design at scale. It uses an open-source algorithm to automate... automate and optimize gRNA and HDR donor design. The current version supports SpCas9, SpCas9-VQR, and...
  15. TALEN Plasmids and Kits

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    ...Sangamo)-Destination Pawel Pelczar pCAG-T7-TALEN(Sangamo)-Destination constructs were designed for optimal...pC-GoldyTALEN and RCIsricpt-GoldyTALEN are designed as destination vectors for the Voytas lab Golden Gate ...Plasmids pTAL5-BB and pTAL6-BB are designed as alternative destination vectors for the Golden Gate TALEN...TALEN(Sangamo)-FokI-KKR-Destination 40132 pCAG-T7-TALEN(Sangamo)-FokI-ELD-Destination Golden Gate TALEN 2.0...Mendenhall The TALE plasmid vectors described on this page are designed to target and edit the epigenome ...with custom repeat arrays. TALEN Kits TALEN Kit Description Depositing PI FusX TALEN Assembly System Contains... pre-assembled trimer and tetramer RVD domains designed for rapid TALEN assembly. Kiran Musunuru and Chad...
  16. Empty Backbones - Choosing Your Perfect Plasmid Backbone

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    Collection
    ...CMV GFP DEST - Lentiviral Gateway destination vector for gene expression pLenti CMV/TO Zeo DEST - Tet-inducible...lentiviral vector for ORF expression pDest-565 - Gateway destination vector for bacterial expression; His...Membrane localization pWZL-Neo-Myr-Flag-DEST - pDest vector that adds an N-terminal myristoylation...marker pLenti CMV/TO GFP-Zeo DEST (719-1) - 3rd gen lentiviral Gateway destination vector, expression, CMV/...pLenti CMV/TO Zeo DEST - Tet-inducible lentiviral Gateway destination vector ...expression pLenti CMV GFP DEST - Lentiviral Gateway destination vector for gene ...needed for replication in the host cell and are designed for a user to insert a gene of interest. They ...
  17. Fluorescent Protein Guide: Biosensors

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    ... pii: 56469. Edwin Chapman Neuropeptides GRAB biosensors for neuropeptides VIP, NPY, CCK, NTS, UCN, SST... orexin neuropeptides A genetically encoded sensor for in vivo imaging of orexin neuropeptides. Nat Methods...cerevisiae cpFRET Kit includes plasmids to construct custom biosensors ScEnSor Kit includes fluorescent reporters... Resources Fluorescent biosensors are proteins designed so that their fluorescent properties are sensitive... or organisms for long-term imaging and can be designed to specifically localize to cellular compartments...compartments or organelles. Addgene’s database includes many fluorescent biosensors that signal the presence ...environmental conditions. With proper experimental design, biosensors can enable investigation of a signaling...
  18. Worm Expression Resources

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    ...the biology of C. elegans and other nematodes. Wormbuilder - Describes methods to engineer the genome of...characterized which allow researchers to express desired constructs in precise cell types and/or developmental...that contain tools for use in worm research. This includes CRISPR, RNAi, empty backbones, fluorescent proteins...expression plasmids. Large collections or kits are described below and not included in this table. For a more...search Addgene's entire collection. ID Plasmid Description Gene/Insert PI Plasmids Expressing Worm Genes...strains. CRISPR plasmids from John Calarco's lab as described in Heritable genome editing in C. elegans via ...genome-editing events. Developed in Craig Mello's lab and described in A Co-CRISPR Strategy for Efficient Genome Editing...
  19. CRISPR Plasmids and Resources

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    Collection
    ...Bacteria CRISPR plasmids designed for use in bacteria. C. elegans CRISPR plasmids designed for use in C. elegans... CRISPR plasmids designed for use in Drosophila . Mammalian CRISPR plasmids designed for use in mammalian...Parasites CRISPR plasmids designed for use in parasites. Plant CRISPR plasmids designed for use in plants. Yeast...Yeast CRISPR plasmids designed for use in yeast. Xenopus CRISPR plasmids designed for use in Xenopus . ...Browse depositor protocols, find software for gRNA design and deep sequencing analysis, discover links to.... Zebrafish CRISPR plasmids designed for use in zebrafish....
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