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Showing: 201 - 220 of 776 results
  1. Twenty Years of Addgene Sharing: CRISPR

    Type
    Blog Post
    Published
    April 18, 2024, 1:15 p.m.
    ...working day, including appropriate MTAs and customs forms. Of course, ordering the plasmids is the easy part...
  2. Plasmids 101: Degron Tags

    Type
    Blog Post
    Published
    March 14, 2024, 1:15 p.m.
    ...ligase complex. Finally, when auxin is added in the form of auxin hormone indole-3-acetic acid (IAA), the...behave with a new protein, but you can make an informed choice!   References and Resources References...
  3. Viral Vectors 101: Voltage Indicators

    Type
    Blog Post
    Published
    Jan. 30, 2024, 2:15 p.m.
    ...exogenously to measure a phenotypic response in the form of fluorescence or voltage indicators.   Viral... here!). The only issue with these GEVIs? They perform poorly in two-photon conditions, which are necessary...
  4. 10 Basic tips for mammalian cell culture

    Type
    Blog Post
    Published
    July 12, 2018, 1:09 p.m.
    ...’t be lazy about splitting cells, instead try to form a routine. Twice a week often works for most fast-growing...
  5. Rabies and Neuronal Tracing

    Type
    Blog Post
    Published
    May 29, 2018, 1:51 p.m.
    ...transsynaptically). This is because the recombinant forms of these viruses typically used in research aren...after, we learned about organs and the jobs they perform. This became foundational later on when we studied...
  6. Quick Guide to Working with Drosophila Part 1: Getting Started with Flies

    Type
    Blog Post
    Published
    July 13, 2017, 2:30 p.m.
    ...case, the larva will metamorphose into its adult form. In all, it takes roughly 10 days for an egg to ...Some resources will direct you to the latest information about gene function, while others offer fly stocks...Flybase.org is absolutely essential. You can look up information about your fly gene using the search box in the... started. Any given gene’s webpage will have information on where the gene is expressed within the fly...website as well. Additionally, they have useful information on topics such as choosing the right balancer...
  7. PITChing MMEJ as an Alternative Route for Gene Editing

    Type
    Blog Post
    Published
    Feb. 23, 2016, 3:30 p.m.
    ...MMEJ (microhomology-mediated end-joining)? MMEJ, a form of alternative end-joining, requires only very small...’s become clear that the power of this editing platform lies in the diversity of nucleases and their applications...
  8. Which Fluorescent Protein Should I Use?

    Type
    Blog Post
    Published
    May 20, 2014, 2:06 p.m.
    ...the two halves are in close proximity, they will form the full FP and fluoresce. Split FPs can be used...
  9. Degrading DNA with Cascade-Cas3

    Type
    Blog Post
    Published
    Feb. 11, 2025, 2:15 p.m.
    ...mechanism (see next section for details). The newly formed single-stranded DNA (ssDNA) is then pulled through...through Cas3. After these initial steps, Cas3 can perform its helicase and nuclease functions simultaneously... D. W. (2023). Structural snapshots of R-loop formation by a type I-C CRISPR Cascade. Molecular Cell, ...
  10. Magnetic Control of Proteins: More than a Dream

    Type
    Blog Post
    Published
    Sept. 24, 2024, 1:15 p.m.
    ...expressed in E. coli, in mammalian cells, or in purified form, and didn’t need any added cofactors.      ...future MagLOV-based tools, just as light-induced conformational changes are the basis of many optogenetic tools...have collected a variety of data that might help formulate some hypotheses. They are excited to see other...
  11. Antibodies 101: Producing Recombinant Antibodies

    Type
    Blog Post
    Published
    Aug. 13, 2024, 1:15 p.m.
    ...secreted into the periplasmic space to be oxidized and form disulfide bonds (Frenzel et. al., 2013). If you’...applications. An antibody that performs well in immunohistochemistry may not perform well in a western blot. ... than mammalian cells, but mammalian cells can perform human-like post-translational modifications that... If that’s the case, a buffer exchange can be performed using a desalting column or an ultrafiltration...ones, consider increasing the number of washes performed during your harvest. Validation Recombinant antibodies.... This can be due to conformational changes in the antigen or lower detection sensitivity of the assay...S. Sarangapani, Protein aggregation, particle formation, characterization & rheology, Current Opinion ...
  12. CRISPR 101: Making a Knock-In Cell Line

    Type
    Blog Post
    Published
    Dec. 22, 2022, 2:15 p.m.
    ...location. HDR depends on resection at the break site to form ssDNA and uses the ends of the ssDNA to find a repair...increase HDR frequency by committing a break to performing HR before other factors were loaded onto the ...
  13. Negative Can Be Positive: Open AAV Data with Addgene

    Type
    Blog Post
    Published
    Sept. 6, 2022, 1:15 p.m.
    ...highlights the dearth of AAV vector information provided in openly accessible forms like publications. Why not ... two years testing and reformulating our AAV construct to optimize performance in our system and yet none...literature, and as a result can leave scientists under-informed with respect to how different serotypes, promoters...this one set of experiments didn’t provide any information on other important factors such as what is the...adjacent areas impacted the experiments we wanted to perform. It required a great deal of time and effort to...packaging viral particles (6), can influence vector performance. Open science initiatives, like Addgene’s Data...negative data and instead focus on getting this information out into the public where it can be utilized ...
  14. Antibodies 101: Immunoprecipitation

    Type
    Blog Post
    Published
    Dec. 7, 2021, 2:15 p.m.
    ...antibody-target protein immune complexes are allowed to form. Following incubation, beads are used to immobilize...-40 or triton-X, to preserve native protein conformations and interactions. For difficult to release proteins... in the lysis buffer, keep samples on ice, and perform the IP at 4oC. When choosing the capture antibody... recognizes the target protein in its native conformation. Frequently, the antibodies used for a standard... are completely removed. Wash steps should be performed even with a pre-cleared sample.  Eluting the target...and negative controls for an IP. When possible, perform the IP in parallel with both a sample known to ...order to identify any non-specific interactions, perform parallel IPs with beads only and an isotype control...
  15. Hot Plasmids - November 2023

    Type
    Blog Post
    Published
    Nov. 14, 2023, 3:35 a.m.
    ...best PE6 variant for your application. Image reused form Doman and Pandey et al., 2023 under CC-BY 4.0 License.... These variants use different RT enzymes and performed large edits with similar or better efficiency ...potential to reduce negative side effects. This platform offers a promising approach for experimental therapies...we began distribution and has been verified to perform well in standard IHC and western blot protocols...protocols. You can find more specific information on the Wu Lab’s use of Anti-PSD-95 [K28/43R] under the Application...
  16. Plasmids 101: Choosing an Antibiotic Resistance Gene

    Type
    Blog Post
    Published
    Oct. 10, 2023, 1 p.m.
    ... plates. This prevents satellite colonies from forming while effectively selecting plasmid-containing ...cost-effective, timesaving for transformations. Cons: Prone to satellite colony formation on agar plates, less ...in a plasmid. During the propagation and/or transformation process, some bacteria will either never receive... is nifty because the recovery period after transformation (the dreaded 60 minutes shaking at 37 degrees..., interchangeable with Amp, timesaving for transformations. Con: Expensive.   Kanamycin Kanamycin, or...selection gene. However, it does require a slower transformation recovery period than amp or carb (60 minutes...confers mammalian resistance to G418. Con: Slow transformation   Spectinomycin/streptomycin Spectinomycin...
  17. Getting to Know Expansion Microscopy

    Type
    Blog Post
    Published
    June 20, 2023, 1:15 p.m.
    ...structure. For example, cytoskeletal structures that form continuous lines in pre-expanded samples can sometimes...
Showing: 201 - 220 of 776 results