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We narrowed to 846 results for: tat

Showing: 461 - 480 of 846 results

  2. Plasmids 101: Inducible Promoters

    Type
    Blog Post
    ...promoters, which can be switched from an OFF to an ON state, and how you might use these in your research. When...negative control. Positive inducible In the OFF state, the promoter is inactive because the activator ...transcription.     Negative inducible In the OFF state, the promoter is inactive because a bound repressor...

  3. A Novice's Perspective on Neuroscience - SfN2017

    Type
    Blog Post
    ...to neuroscience prior to this conference was a rotation in Qiao Zhou’s lab in graduate school where I ...neuroscience and you don’t have a background in statistics and programming, you’d be wise to start working...and brain monitors. Walking around the poster presentation area, I honed in on projects using biological...

  4. Hot Plasmids - May 2022

    Type
    Blog Post
    ...long sequences with reduced risks of unwanted mutations in mammalian cells. Long sequences traditionally...traditionally have higher risks of off-target mutations. These plasmids contain catalytically inactive dCas9 and...challenge due to multiple factors, including limitations of number of flourescent proteins that can be...

  5. Addgene: The First Twenty Years

    Type
    Blog Post
    ...to start an open science nonprofit that would facilitate the sharing of plasmids between scientists. The... r/labrats, Reddit.  Part of that work meant facilitating the Material Transfer Agreement process, which... millionth item, and had a cumulative 120,000 citations of individual items in our repository, a tribute...

  6. Viral Vectors 101: An Introduction to AAV

    Type
    Blog Post
    ...vector with half the size of the ssAAV genome has a mutation in the terminal resolution site (TRS) to form ...genome with wild-type ITRs at the both ends and mutated ITR at the center of symmetry. After uncoating ..."Development and optimization of a real-time quantitative PCR-based method for the titration of AAV-2 ...

  7. Antibodies 101: Selecting the Right Antibody

    Type
    Blog Post
    ...assay for a native (folded) protein, such as immunoprecipitation, the epitope may not be accessible for binding... down in a variety of ways. First, review the citations. An antibody that has been cited thousands of ...antibody to that of the anti-tag antibody; and immunoprecipitation-mass spectrometry strategies that isolate...

  8. Lighting Up Cell Signaling with Photoswitchable Kinases

    Type
    Blog Post
    ... pathway of interest, but there can be a lot of static since other signaling networks can also be non-....” Dronpa’s color thus indicates MEK1’s current state (Green when off, dark when on). Figure 1: Photoswitchable...turn off psRaf1). After this, the phosphorylation status of MEK1/2 was tracked at 5 minute intervals via...

  10. Plasmid Tools for Microbiome Studies

    Type
    Blog Post
    ...altering gut microbiome members in their native habitat (Ronda et al., 2019). They called their method ...the addition of standards, the assay is semi-quantitative and can approximate mRNA concentration within...infection, dysbiosis, and antibiotic treatment. To facilitate these studies, Pamela Silver’s lab developed ...

  11. Visualizing Protein Turnover In Situ

    Type
    Blog Post
    ... control the abundance of proteins in cells. Homeostatic regulation of protein abundance is essential ...Alternatively, fluorescent protein tags can be used to facilitate the visualization of specific proteins in cells...proteins in situ. Now FUNCAT-PLA provides both quantitative and spatio-temporal information about the turnover...

  12. Uncertainty about Labor Law Brings More Uncertainty to Postdoc Wages

    Type
    Blog Post
    ...for compliance. However, 10 days prior to the implementation date, our data indicated that, while 69% of...the lapsed mandate (or are being compelled at the state level, in the case of some public institutions) ...continuing to reach out to institutions with a statement indicating that we encourage them to keep raising...

  13. Addgene's Tips for Plasmid Quality Control

    Type
    Blog Post
    ...plasmid are the backbone, inserted gene/functional mutations, antibiotic resistance, restriction sites used...most sequence assembly errors occur), deletions, mutations, in-frame protein fusions, and multiple cloning...cases, we deal with multiple inserts or internal mutations that require more than two sequencing reactions...

  14. Career Coaching for Scientists: Why and Where Do I Find One?

    Type
    Blog Post
    ...A professional coach will provide an initial consultation meeting or call for free.  Take advantage of...affordable for you. There is also a group The Dissertation Coach based in Illinois. A few of the coaches...in this group have scientific backgrounds. For a stated purpose of transitioning a scientist from academia...

  15. Design Tips for Prime Editing

    Type
    Blog Post
    ...with BioRender.com. Add silent mutations near point mutations to create 3-base (or longer) tracts...’s all our tips for today! Each tip includes a citation to the paper it was drawn from. If we’ve piqued...

  16. CRISPR 101: Targeting Non-Coding RNAs with CRISPR/Cas9

    Type
    Blog Post
    ...the majority of the lncRNA locus, scientists can mutate the transcription start site, splice sites, exons...function (Hazan and Bester 2021; Zibitt et al. 2021). Mutating splice sites is particularly effective as it can... Transcription start site (TSS) deletion. (B) Mutations of splice sites. (C) Removal of an exon or a large...

  17. Antibodies 101: Stripping and Reprobing Western Blots

    Type
    Blog Post
    ...respectively. Chromogenic detection produces colored precipitates that permanently stain the membrane, making .... Cover the membrane in stripping solution and agitate for 5–30 minutes at room temperature. The incubation.... Cover the membrane in stripping solution and agitate for 30–45 minutes at 50 °C. Wash the membrane for...

  18. Progress Towards a PAM-Free CRISPR

    Type
    Blog Post
    ... if you want to knock out a gene, a frameshift mutation introduced anywhere within the early coding region... hand, if you are trying to knock-in a patient mutation or need to make a precise amino acid change, there...away from a desired site does not have the same devastating impact on efficiency as 10-15 bps away does. ...

  19. High Complexity Golden Gate Assembly with NEB’s DAD

    Type
    Blog Post
    ...fidelity. NEBridge GetSet Need a set of overhangs, stat? GetSet can do that for you, complete with predicted... °C cycling 4-base Bsal-HFv2® 37 °C Static 4-base Bsal-HFv2, 1x NEBridge Ligase MM ...They first compared 10-piece linear (the native state of the T7 genome) and circular assemblies. While...

  20. Plasmids 101: In-house NGS Plasmid Quality Control Now at Addgene

    Type
    Blog Post
    ...Depositing labs often provide insert sequences or annotated Genbank files that are useful for more complicated...genes with many modifications. We look for point mutations, truncations, and insertions that could compromise...compromise function. When we do find mutations, we check to see if they affect the translated amino acid. ...
Showing: 461 - 480 of 846 results