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  1. Plasmids 101: Knockout/Knock-In Plasmids

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    Blog Post
    ...template with the endogenous gene. Here, we'll describe the techniques and the plasmids used to inactivate...Conditional knockouts The methods and plasmids described in the preceding sections are simple ways of knocking...knockout, researchers often use the Cre/Lox system described earlier. In this case, you design your targeting...
  2. Hot Plasmids: Winter 2025

    Type
    Blog Post
    ...photostable than fluorescent proteins, making them ideal for single-molecule fluorescence techniques. After...used to measure signal along the dendrite. D) Fluorescence signal as a function of the distance between...
  3. Plasmids 101: Degron Tags

    Type
    Blog Post
    ...proteasome for degradation. Like several other tags described here, the dTAG uses a small molecule, a tag, and...for visualization of proteins of interest. A fluorescent Halo ligand can be added to media, buffer, etc...there are antibodies to it and ways to achieve fluorescence with it. AID The auxin-inducible degron (AID...
  4. Plasmids 101: 5 factors to help you choose the right cloning method

    Type
    Blog Post
    ...following cloning methodologies have been extensively described in other articles; so if you are interested in... to assemble up to 6 different fragments in a prescribed order. These fragments can be pooled in one tube...homology. You might also consider FastCloning, first described by Chaokun Li and colleagues. Here you simply ...
  5. Cloning Mammalian Cells with the Agarose Method

    Type
    Blog Post
    ..., if your protein is fused with a fluorescent protein), fluorescence microscopy can theoretically be used...Addgene.org Check Out Our Protocols Pages Browse Fluorescent Protein Plasmids Find Mammalian Expression Vectors...
  6. Transgenic Organisms, Cas9 Gene Drives, and Appropriate Safeguards

    Type
    Blog Post
    ...organism carrying a synthetic gene drive were to escape the laboratory, the drive could eventually spread...protocols, they can reduce the risk of accidental escape to a negligible level. One major reason we chose...performing experiments in a geographic area where escaped organisms won't be able to find mates2. For example...
  7. Troubleshooting and Optimizing a Western Blot

    Type
    Blog Post
    ...colorimetric ladder, visible to the naked eye; a fluorescent ladder compatible with your imaging system; or...having to re-run the western.  Remember that chemilumescent methods, like horseradish peroxidase protein...Underexposed Increase exposure time Chemilumenescence: use a more sensitive exposure kit Too...Overexposed blot Shorter exposure time Chemilumenescence: use a less sensitive exposure kit No ...
  8. Transferable Skills Guide: Identifying Your Transferable Skills

    Type
    Blog Post
    ...looking at your resume while they wrote the job description. You check off all the boxes - you have the desired... gaps in scientists' transferrable skills. In describing the limitations of the study, the authors noted...over email. Examine your current and past job descriptions. Scan through all the things for which you are...
  9. AAVs CREATed for Gene Delivery to the CNS and PNS

    Type
    Blog Post
    ...are easy to trace and not lost in a jumble of fluorescent neurons. A simple but flawed approach to multi-color...constitutively express a red, green, or blue (RGB) fluorescent protein (4a-c). When high doses of this viral...morphology studies when used as part of a two part fluorescent tag-then-express system that allows for controlled...
  10. Interview: Hodaka Fujii on enChIP, New CRISPR Tools, and More

    Type
    Blog Post
    ...worked extensively with enChIP systems. Can you describe this technology and its advantages? Fujii: In ...enChIP system using CRISPR technology. Can you describe this technology and some of its potential applications... any other technologies that you would like to describe?  Fujii: I believe that "Biology is Method", i.e...
  11. Supporting Reproducibility with a Connected ELN

    Type
    Blog Post
    ...used in research, and data repositories. Below I describe how each of these kinds of connectivity facilitates...deposits will be made. The Dataverse integration is described in this video and the Figshare integration in ...from RSpace documents to external data sources (described above) further enhances the value the repository...
  12. Plasmids 101: Codon usage bias

    Type
    Blog Post
    ...every amino acid I’d like to encode,” but, as described above, not every region of a protein should necessarily...rate dependence of transfer RNA abundance in Escherichia coli." The EMBO journal 9.13 (1990): 4359-4366...rate of full‐length human proteins expressed in Escherichia coli." Protein Science 19.7 (2010): 1312-1326...
  13. Hot Plasmids Spring 2024

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    Blog Post
    ... have been made since prime editing was first described in Anzalone et al., 2019, including modifications...Because they are negative-going sensors (with fluorescent signal at baseline voltage), the investigators...closely-packed labeled cells. Plus, Voltron2’s fluorescence is tunable by changing the dye that becomes ...
  14. Deciphering the Mysteries of Behavior with Viral Vectors

    Type
    Blog Post
    ...areas associated) compared to an animal running to escape a threat. Locomotion can thus be used as a readout...behaviors are possible: active swimming in attempts to escape, or passive floating on the water surface. The ...that were not (Hare et al., 2019). The research described here is only a small selection of the increasing...
  15. CRISPR 101: Engineering the Plant Genome Using CRISPR/Cas9

    Type
    Blog Post
    ... through Addgene. In addition to the plasmids described above, Addgene carries several useful CRISPR toolkits..., Cao Q, Zhang Z, Ding Z, Wang Y, Wang X (2019) Rescue of a plant cytorhabdovirus as versatile expression....2969 Waltz E (2016) Gene-edited CRISPR mushroom escapes US regulation. Nature 532:293–293 . https://doi.org...
  16. 3 Tips to Improve HDR Efficiency for CRISPR Editing in Human Cells

    Type
    Blog Post
    ...genome editing with CRISPR/Cas9 in human cells was described in 2013 (Cong et al, Mai et al) we were very excited...thinking further about the distance relationship described above, we realized that, in addition to increasing... and neurovascular diseases. He worked on the described project while he was a Postdoc in Marc Tessier-Lavigne...
  17. Plasmids 101: Repressible Promoters

    Type
    Blog Post
    ...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...
  18. 9 tips for a successful postdoctoral experience

    Type
    Blog Post
    ...for and how can you do it well? Below, I briefly describe some tips for a successful postdoc fellowship.... there a tractable question or are you simply describing a phenomenon? Exploration can be important, but...in the Endoplasmic Reticulum, optimization of fluorescent proteins,  and live cell imaging approaches. ...
  19. Deep Dive: Statistical Tests (Comparisons)

    Type
    Blog Post
    ... been described in this blog. If your data does not meet the assumptions for the tests described above...error rate than the multiple comparison tests described above. Violated assumptions and statistics Statistical...
  20. Custom CRISPR Screens & the Green Listed Software

    Type
    Blog Post
    ... community is generating a massive amount of descriptive transcriptomics data. Custom CRISPR screens designed...videos and text on the website for more detailed descriptions of how to use the software. Here is a brief ...sequences, and more. Output_Compact: A text file that describes which genes were included, and how many gRNAs ...
Showing: 281 - 300 of 705 results