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Showing: 81 - 100 of 335 results
  1. Viral Vectors 101: Calcium Sensors

    Type
    Blog Post
    ...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...
  2. Adapting Toehold Switches to Detect Zika Virus

    Type
    Blog Post
    ...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...
  3. When is a Monomer not a Monomer? The Top Three Ways Your Favorite Fluorescent Protein Oligomerizes in Cells

    Type
    Blog Post
    ...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...
  4. Minigenomes - a Safe Way to Study Dangerous Viruses Like the Ebola Virus

    Type
    Blog Post
    ...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...
  5. Fluorescent Proteins 101: Green Fluorescent Protein (GFP)

    Type
    Blog Post
    ...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...
  6. Lentiviral Prep Service

    Type
    Collection
    ...on each item's material page. Actual titers are reported with each shipment. For more details about our...
  7. Replacing Paper: Tips for Choosing an Electronic lab Notebook

    Type
    Blog Post
    ...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...
  8. Adeno-associated Viruses (AAVs) for Genome Editing

    Type
    Blog Post
    ...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...
  9. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    ...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...
  10. SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas

    Type
    Blog Post
    ... (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...
  11. Hot Biosensors 2022: Year-End Roundup

    Type
    Blog Post
    ...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...
  12. Recombinase-based State Machines Enable Order-dependent Logic in vivo

    Type
    Blog Post
    ...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
    ...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. An “elegans” Approach to Better CRISPR/Cas9 Editing Efficiency

    Type
    Blog Post
    ...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 ...
  15. Caltech Systemic Capsids

    Type
    Collection
    ...tropism exhibited by the PHP.eB serotype has been reported to occur by using the cellular receptor LY6A (...
  16. CRISPR Guide

    Type
    Collection
    ...promoter is typically used for gRNA May contain reporter gene (e.g. GFP) to identify and enrich positive...vector or separate transfer vectors May contain reporter gene (e.g. GFP) or selection marker to identify...
  17. Tetracycline Inducible Expression

    Type
    Collection
    ...shRNA efficacy using fluorescence; use with pGFPns-reporter for cDNA target rtTA On Gu 60495 pSBtet-GP Sleeping...
  18. CRISPR Plasmids - Tagging

    Type
    Collection
    ...with the following article: Natsume, et al. Cell Reports 2016 Förstemann Drosophila Cell Tagging System ...
  19. Cre-ating New Methods for Site-specific Recombination in Drosophila

    Type
    Blog Post
    ...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...
Showing: 81 - 100 of 335 results