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Showing: 41 - 60 of 280 results
  1. The Crispr Babies Saga Shows the Need for Action, Not More Delays

    Type
    Blog Post
    Published
    Dec. 20, 2018, 1:15 p.m.
    ..., the MIT Technology Review dropped a bombshell report. A scientist working in China was using CRISPR/...While the Nuffield Council has recently published a report on the social and ethical issues of genome editing...question of “how do we move forward” is the June 2012 report on the ethics of “Novel techniques for the prevention...diseases. The key success of the Nuffield Council’s report is that when it became clear that this assistive...
  2. Hot Plasmids - May 2022

    Type
    Blog Post
    Published
    May 26, 2022, 1:15 p.m.
    ... a cleavage free manner. The dCas9-SSAP system reports an efficiency of up to 20%, comparable to commonly... For a one kilobase insertion, the researchers reported an editing error rate of less than 0.3%, both ...using mStrawberry, localization peptides, and reporters that drive the expression of the fluorescent protein...response element (TRE) or kinase translocation reporters (KTRs). Find visual barcode plasmids here! Kaufman...
  3. Viral Vectors 101: Calcium Sensors

    Type
    Blog Post
    Published
    Aug. 10, 2023, 1 p.m.
    ...GCaMP6 family of sensors are commonly used calcium reporters with different kinetic parameters. There are three...also available. Detection methods Many calcium reporters use a single fluorescent protein (FP), requiring...unwanted variables. Twitch is a FRET-based calcium reporter derived from troponin C. It is engineered with...for in vivo studies) There are several calcium reporters specially designed for the aims and requirements...
  4. Adapting Toehold Switches to Detect Zika Virus

    Type
    Blog Post
    Published
    Aug. 30, 2016, 2:30 p.m.
    ...mild symptoms. This changed in January with the report of an outbreak of the virus in Brazil that was ...-ready format when the Zika virus outbreak was reported, and we felt that, given the critical need for...such a short timescale. Our article ultimately reported the development of a rapid design and prototyping...Find the Zika Sensor Constructs at Addgene As we report, we have embedded this next generation of toehold...
  5. When is a Monomer not a Monomer? The Top Three Ways Your Favorite Fluorescent Protein Oligomerizes in Cells

    Type
    Blog Post
    Published
    April 19, 2016, 2:30 p.m.
    ...Fluorescent Protein (GFP/EGFP) for a transcriptional reporter or as a general cytoplasmic label of cells, there's...FP dimerization. Equally problematic, several reportedly monomeric FPs are not actually monomeric, at ...Incorporation into a FRET biosensor A FRET biosensor is a reporter that undergoes a conformational change to bring...help you make better fluorescent fusion protein reporters for your studies and greatly lower your chances...
  6. Minigenomes - a Safe Way to Study Dangerous Viruses Like the Ebola Virus

    Type
    Blog Post
    Published
    March 17, 2016, 2:30 p.m.
    ...are removed and replaced by a single (non-viral) reporter gene (e.g. firefly luciferase or eGFP) flanked...necessary to direct minigenome replication and reporter gene transcription by the EBOV polymerase (reviewed...the minigenome as a template to transcribe the reporter gene (e.g. firefly luciferase). The polymerase...start signal and initiates transcription of the reporter gene. The polymerase will elongate the mRNA until...
  7. Fluorescent Proteins 101: Green Fluorescent Protein (GFP)

    Type
    Blog Post
    Published
    May 15, 2014, 3:33 p.m.
    ...maintaining fluorescence. The protein structure, first reported in 1996, is an eleven β-sheet-containing “barrel...constructing fluorescent fusions. Transcription Reporter: Placing GFP under the control of a promoter of...a given cell type. This type of transcription reporting was among the earliest uses of GFP. Förster resonance...micrometastases in nude mice in cancer studies, act as a reporter for DNA double strand break repair, and to label...
  8. Replacing Paper: Tips for Choosing an Electronic lab Notebook

    Type
    Blog Post
    Published
    July 10, 2018, 1:08 p.m.
    ...only 46% could be reproduced. In a recent Nature report from researchers at Amgen, it was stated that only...through all saved data and automated writing of reports. To be able to understand the situation in depth...keep paper records as well as digital, or for reporting on a project – printing your data out can be required... you might need share data with them including reports and protocols. To facilitate this, some ELNs allow...
  9. Adeno-associated Viruses (AAVs) for Genome Editing

    Type
    Blog Post
    Published
    March 27, 2018, 1:32 p.m.
    ...Russell and Hirata from the University of Washington reported a surprising finding - when delivered via AAV ...take up ~6.5 kB if delivered in a single AAV. They report roughly 40% repair efficiency in the K562 leukemia...AAV vector cures haemophilia B mice." Scientific Reports 7.1 (2017): 4159. PubMed PMID: 28646206. PubMed... gene cassettes using AAV donor vectors." Cell reports 20.3 (2017): 750-756. PubMed PMID: 28723575. PubMed...
  10. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    Published
    Sept. 14, 2016, 2:30 p.m.
    ...library by in vivo functional screen." Scientific reports 5 (2015). BIOFAB plasmid set 3000 Series Confronted...strengths centered within GFP/RFP bicistronic reporters characterized in Cambray et al., 2013. These terminators... an Orthogonal Ribosome-Controlled Fluorescent Reporter."ACS chemical biology 11.1 (2015): 31-37. pCri...fusions. Some applications of PUF protein fusions reported in the literature include RNA detection, RNA cleavage...
  11. SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas

    Type
    Blog Post
    Published
    May 5, 2020, 1:15 p.m.
    ... (Specific ​H​igh ​s​ensitivity ​E​nzymatic ​R​eporter un​LOCK​ing) technique Sensitivity: Single molecule...DNA polymerase, recombinase, and the ssDNA-FQ reporters that exhibit fluorescence upon cleavage. Upon ... results in the trans cleavage of the ssDNA-FQ reporter resulting in fluorescence. Cas12a binds all the...results in the continuous cleavage of the ssDNA-FQ reporter. The resulting fluorescence can be observed under...
  12. Recombinase-based State Machines Enable Order-dependent Logic in vivo

    Type
    Blog Post
    Published
    July 28, 2016, 2:30 p.m.
    ...that uniquely express selectable and/or sortable reporters in certain states of interest. For example, in...above (Sanger sequencing, qPCR, and fluorescent reporter-based) each come with their advantages and disadvantages...the most convenient strategy is the fluorescent reporter based method since it lends itself to cheap, quick...detection with flow cytometry. However, expressing reporters will consume cellular resources and therefore ...
  13. Plasmids 101: Repressible Promoters

    Type
    Blog Post
    Published
    Dec. 20, 2022, 2:15 p.m.
    ...stage-specific promoter and design a UAS reporter construct, the reporter will only be expressed where and/or...UAS to examine the expression of reporter genes, or to combine reporter expression from one promoter with...
  14. Hot Biosensors 2022: Year-End Roundup

    Type
    Blog Post
    Published
    Dec. 6, 2022, 2:15 p.m.
    ...of interest and co-expressing a cytosolic ZtSH2 reporter, they observe fluorescence localizes to the plasma...And orthogonal sensors with different ITAM/SH2 reporter pairs allow multiplexed measurement of different...10.1101/2022.08.13.503850.  iGECInano NIR calcium reporter Near-infrared (NIR) fluorescent proteins promise...photochemical characteristics than previous NIR calcium reporters iGECI and NIR-GECO2G, and its small size (~1500...
  15. An “elegans” Approach to Better CRISPR/Cas9 Editing Efficiency

    Type
    Blog Post
    Published
    Dec. 17, 2020, 1:30 p.m.
    ...approaches may become even more powerful following a report that one can use linear repair templates (ie. PCR-derived... 2014). A further development of this approach reported in 2017 uses the direct injection of a CRISPR/...templates (Farboud et al., 2019).   The Mello lab also reported that modifying the 5’ modification of oligos used...mixtures (Doksin et al., 2018). The Mello lab also reported efficient editing using a co-injection marker ...
  16. Cre-ating New Methods for Site-specific Recombination in Drosophila

    Type
    Blog Post
    Published
    May 12, 2015, 1:32 p.m.
    ...bailii) and B3 (from Zygosaccharomyces bisporus.) Reporter constructs equivalent to site-STOP-site-myrRFP...cross-reactivity of these recombinases, each recombinase and reporter construct pair were tested for excision efficiency...cross-reactivity; however, the other recombinase/reporter pairs were inactive, even at very high recombinase...
  17. In Living Color: The Skinny on In Vivo Imaging Tools

    Type
    Blog Post
    Published
    March 27, 2014, 5:14 p.m.
    ...background.” Just last month in Scientific Reports, Verkhusha’s team reported another advance in the application.... Transparency window That’s exactly what they reported doing in a paper that appeared in Nature Biotechnology...
  18. An Addgene Co-op: The Intersection of Fun, Friendship, and Work

    Type
    Blog Post
    Published
    June 29, 2023, 7 p.m.
    ...tasked with was creating and sustaining a biweekly report of our social media analytics, something that had... meant I was responsible for establishing a new report and routine across the marketing and content team...a fantastic spreadsheet template to build out a report on. I was able to understand what metrics would...
  19. Another Pathway into Cells: iTOP

    Type
    Blog Post
    Published
    June 23, 2015, 8:37 p.m.
    ... cells and activate expression of a luciferase reporter. CPP was not required for protein entry into cells...primary cell types using Cre and various loxP reporters. In both mouse and human embryonic stem cells,...Plasmids @Addgene: iTOP-tested proteins and reporters Previous Protein Delivery Techniques: Introduction...
Showing: 41 - 60 of 280 results