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  1. Plasmids 101: Biotinylation

    Type
    Blog Post
    Published
    Nov. 15, 2018, 1:50 p.m.
    ...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...
  2. Building Global Connections with the International Mentorship Program USA-EUROPE

    Type
    Blog Post
    Published
    Nov. 6, 2015, 3:30 p.m.
    ...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...
  3. Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus

    Type
    Blog Post
    Published
    Sept. 1, 2020, 1:15 p.m.
    ...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...
  4. CRISPR 101: Epigenetics and Editing the Epigenome

    Type
    Blog Post
    Published
    June 24, 2020, 5:45 p.m.
    ...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...
  5. Antibodies 101: Multiplex Immunofluorescence

    Type
    Blog Post
    Published
    May 23, 2023, 1:15 p.m.
    ... Brewer, M., McDonough, L., Zhu, Y., Neumann, E., De Caestecker, M., Gutierrez, D., & Spraggins, J. (2022...between the targets. Or, it might be sufficient to describe or classify the labeled structures visually; for...will vary depending on your specific experimental design. Like selecting an antibody, some of the requirements...
  6. Plasmids 101: Repressible Promoters

    Type
    Blog Post
    Published
    Dec. 20, 2022, 2:15 p.m.
    ...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...
  7. Recombinase-based State Machines Enable Order-dependent Logic in vivo

    Type
    Blog Post
    Published
    July 28, 2016, 2:30 p.m.
    ...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...
  8. 22 Hot Plasmid Technologies from 2014

    Type
    Blog Post
    Published
    Jan. 6, 2015, 5:21 p.m.
    ...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...
  9. Plasmids 101: Dimers and Multimers

    Type
    Blog Post
    Published
    Jan. 10, 2023, 2:15 p.m.
    ...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...
  10. An “elegans” Approach to Better CRISPR/Cas9 Editing Efficiency

    Type
    Blog Post
    Published
    Dec. 17, 2020, 1:30 p.m.
    ...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. With an Eye Towards the Future, We Look Back at the March for Science

    Type
    Blog Post
    Published
    Oct. 24, 2017, 1:54 p.m.
    ...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...
  12. Delivery Methods for Generating iPSCs

    Type
    Blog Post
    Published
    April 17, 2018, 1:37 p.m.
    ... 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. Easi-CRISPR: Generating Knock-In and Conditional Mouse Models

    Type
    Blog Post
    Published
    April 5, 2018, 12:42 p.m.
    ...using in mouse transgenics. Designing an Easi-CRISPR knock-in allele To design a knock-in allele at a given... PAM or guide mutation. Designing an Easi-CRISPR conditional allele The design for a floxed conditional...successfully used guides targeting the same or complementary strands, as well as guides facing towards or...How to design a conditional allele with Easi-CRISPR. As in the knock-in example, you’ll design your ...with your desired insertion feature (e.g., a fluorescent protein), you can amplify the desired region using... Figure 5: How to design Easi-CRISPR repair templates using Addgene plasmids. Design PCR primers to add...arduous. First, you’d construct a plasmid with your desired changes, long homology arms and a selection marker...
  14. 27 Hot Plasmids from 2016

    Type
    Blog Post
    Published
    Dec. 22, 2016, 3:03 p.m.
    ...relaxed gRNA design parameters. To demonstrate the effectiveness of their library design, Moffat laboratory...-strand DNA (ssDNA) oligonucleotides (oligos), and thereby rapidly create desired allele combinations ... pCAG-T7-TALEN(Sangamo)-Destination series, pCAG-Golden-Gate-Esp3I-Destination Takashi Yamamoto pcDNA-TAL-NC2...vector, and besides being used for restoring strain prototrophy, can also aid in designing self-establishing...assay. In their recent publication, Kroeze et al. describe their enhanced TANGO arrestin recruitment assay...optimized, expression validated GPCR sequences to any desired backbone.  Kroeze, et al. Nat Struct Mol Biol....plasmids with the Cross-disciplinary Integration of Design Automation Research lab Moduclar Cloning (CIDAR...
  15. Plasmids 101: Gateway Cloning

    Type
    Blog Post
    Published
    Jan. 12, 2017, 3:30 p.m.
    ...clone in their desired DNA sequences. Gateway technology relies on the two reactions described below: The ...pLenti CMV Puro DEST (w118-1) or the doxycycline-inducible pLIX_403. The chosen attR destination vector will...between the entry clone and destination vector creates two products: the desires expression clone and a byproduct...produce the desired expression clone. This is possible thanks to the Gateway vectors’ design. They have...vector systems. With the appropriate entry and destination vectors, one can use Gateway to clone a gene ...generated entry clone and the attR sites of the destination vector. This reaction is catalyzed by the LR ...containing the ccdB gene is excised from the destination vector.  Once the BP and/or LR reactions are ...
  16. Lambda Red: A Homologous Recombination-based Technique for Genetic Engineering

    Type
    Blog Post
    Published
    Dec. 15, 2016, 3:57 p.m.
    ....  These primers are typically ~70 nucleotides long (20 nucleotides that anneal to the DNA sequence of..., the substrate should be ~70-100 nucleotides long with the desired alteration(s) located in the center...genomes. 2) Designing ssDNA oligos that avoid MMR activation:  There are two ways to design oligos that...tube. The donor DNA substrate only requires ~50 nucleotides of homology to the target site for recombination... be explained in greater detail. Substrate DNA design and generation Expression of lambda red recombination...antibiotic resistance cassette.   Substrate DNA Design and Generation Whether you use a linear dsDNA or...insertions or deletions greater than approximately 20 nucleotides, while ssDNA substrate is best for point mutations...
  17. Making CRISPR Plasmids Using Fragmid

    Type
    Blog Post
    Published
    Aug. 29, 2024, 1:15 p.m.
    ...list of Fragmid destination vectors currently available. Table 1: Fragmid destination vectors Organism...website, which breaks the design process down into four easy steps, provides the real value for the user...potential of them not working, or spend a few weeks designing and cloning the vectors you actually want. But... Fragmid is a modular vector assembly process designed for a quick, plug-and-play approach to cloning...et al., 2024). It reduces the amount of time to design and create a new vector to four days for an experienced...high school interns, were able to use Fragmid to design and clone their vectors in five days. Did you say...s modular assembly structure takes a lot of the design work out of the plasmid creation process. Each ...
  18. How to Deposit Your Plasmids with Addgene

    Type
    Blog Post
    Published
    Feb. 27, 2024, 2:15 p.m.
    ...preprint title or a general description of the deposit. Select your desired distribution status: Hold...choose from one of the following descriptions for your plasmid: Encodes insert(s) A plasmid with one or...should describe how your plasmid is intended to be used. For instance, if your plasmid is designed to allow...Unpublished or pre-publication plasmids" and set a desired distribution status. You can submit "Published ...plasmids with the original publication where you described them. Search for your article as you would search...selected your publication or entered your deposit description, the next page will allow you to add plasmids... article. Note that if you entered a deposit description, this will become your article title.   ...
  19. Early Career Researcher Toolbox: Free Online Molecular Biology Tools

    Type
    Blog Post
    Published
    Sept. 12, 2023, 1:15 p.m.
    ...primer design Design primers for Goldengate cloning   Design primers for In-Fusion Cloning Design primers...traces, while the paid version provides more tools for plasmid mapping and design (Figure 1). Benchling: While...academic users. Serial Cloner: Free desktop-based software for plasmid design and mapping. ApE (A plasmid Editor...Primer design tools Many of the above-listed plasmid mapping tools have built-in primer design tools, ...stand-alone sites for general primer design, as well as primer design for different cloning applications...characteristics. NEB Data-optimized Assembly Design (DAD): This tool designs overhang sets for high complexity Golden...Primer design. Plasmid mapping. DNA sequence analysis. We all have our favorite tools for tackling these...
Showing: 61 - 80 of 781 results