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We narrowed to 852 results for: Tat

Showing: 261 - 280 of 852 results
  1. OCaMP: A New Calcium Indicator for Neural Imaging

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    Blog Post
    ... their excitation wavelength. OCaMP is well-suited for these lasers, with two-photon excitation at 1030...3: One- and two-photon excitation and emission spectra of OCaMP. 1P excitation peak is 545 nm, 1P emission...available in your microscope setup. Figure 1: Excitation (dotted) and emission (solid) spectra for various...emission peak is 565 nm, and 2P excitation peak is 1050 nm. Reproduced from Aggarwal et al. 2025 under a...
  2. Improved Plasmid Maps Powered by SnapGene

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    Blog Post
    ... that cluttered our old plasmid maps. Clearly Annotated Features, Enzymes, and Primers - The new maps ...SnapGene’s software positions restriction enzyme annotations throughout the map at locations better aligned...map, you also have the ability to to download the static image file (PNG, see above) for your own reference...sequencing results: On this page you can download an annotated GenBank File or a SnapGene file for the sequences...of choice. If the depositor provided a custom annotated GenBank file, this can be found on the main plasmid...hosted here retain all the features shown in the static maps discussed above, but also have interactive...
  3. Plasmids 101: Methylation and Restriction Enzymes

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    Blog Post
    ...incorporation of a desired mutation into your plasmid of interest by PCR generates mutated plasmids with no methylation...only the non-mutated and methylated template is destroyed leaving behind a pool of mutated plasmids which...dam-/dcm- strains may have an increased rate of mutation (as these would also be deficient in mis-match...Your Sequencing Results Use REPLACR Mutagenesis to Mutate Your Plasmids Resources on Addgene.org Check ...
  4. Cancer and the Immune System: Deciphering the Relationship

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    Blog Post
    ...the immune mechanisms of the host. The cause, manifestation, diagnosis, recurrence, and treatment of cancer...molecular targets under research include TIM-3, LAG-3, STAT-3, EGFR, CD20 and CD73 on specific solid as well..., tumor penetration, inadequate concentration, mutation of cell surface targets by tumor cells, are a ...currently the only FDA-approved DC therapy for prostate cancer and is aimed at increasing life expectancy...radiotherapies have caused increased death receptor presentation on tumor cells thus making these cells more ...differ in practically every facet starting from manifestation to their specific interactions with different...the most important: How will cancers evolve and mutate based on the immunotherapeutics we use on them?...
  5. Channelrhodopsins with improved light sensitivity for minimally-invasive optogenetics

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    Blog Post
    ...-invasive gene delivery and optogenetic excitation. Excitation of neurons deeper in the brain may still...makes them light-responsive. When light shines on excitatory channelrhodopsin-expressing neurons, the channelrhodopsins...action potential (Figure 1). This light-induced excitation can take place in a tissue culture dish but can...high-intensity light for activation which requires implantation of fiber-optic cables into the brain. ...still require fiber-optic cannula implantation, but altering ChRgers so they can be activated with tissue-penetrating...
  6. Transferable Skills Guide: Public Speaking

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    Blog Post
    ...cartoon of the protein.) In the middle of my presentation, lost in a sea of data, my mind went completely...taught me an incredibly valuable lesson: Your presentation will be better if you take time when you need...need it, rather than trying to push through a state of panic. Now, if I feel myself getting too nervous...sense. As tempting as option two was in my panicked state, only option one would let me accomplish my goal...often as needed until you get to the end of the presentation, at which point you will have achieved your ...gig. Being able to give a clear, informative presentation, speak at conferences, or even just provide ...
  7. What's New in CRISPR - November 2021

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    Blog Post
    ...dominant negative mutation in MLH1 (PE4 = PE2+MLH1dn and PE5 = PE3+MLH1dn). Silent mutations added near the...the Cas12f scaffold gRNA and making strategic mutations in the DNA binding cavity of Cas12f. The CasMINI...  and base editing, whereas a different set of mutations (the “V3.1” version) works best for genome editing...protein PEG10 specifically binds its own mRNA to facilitate its packaging into virus-like particles. Feng...boosts the efficiency of prime editing to correct mutations in a variety of target genes and cell types. Their...
  8. Hot Plasmids - March 2019 - Anti-CRISPR, 2in1 Cloning, Fluorescent Voltage Indicators, and Photoswitchable Proteins

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    Blog Post
    ...light-sensitive protein QuasAr2 and systematically mutated it. Using a robotic picking approach to select ...2015) or ratiometric Bimolecular Fluorescence Complementation (rBiFC, Grefen and Blatt, 2012). The 2in1 Plasmid...vectors with all possible combinations of tag orientation (NN, NC, CN, and CC). The 4 kits also contain...proteins that bind to either the light- and dark- states of the photoswitchable cPYP, which changes in conformation... partners that bind to only the light- or dark- state of the photoswitchable proteins offers a powerful...binders (which bind to either the light- or dark- state of the photoswitchable proteins) fused to mVenus...
  9. Writing Scientific Manuscripts: Literature Searching, Reading, & Organizing

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    Blog Post
    ...articles. Then just start reading and following citations through the literature until you have all of the...they mean. Could there be any other possible interpretation of the results? Then think deeper about the...Is the data of sufficient quality (error bars, statistics, clarity in images etc)? Did they perform all...doesn’t mean that there are no mistakes or misinterpretations. After all, the science was performed, written... brim with reprints and papers with scribbled notations in the margins. If you prefer, printing and hand-writing... Department of Biological Sciences at Louisiana State University. She is a fan of photosynthesis and writes...
  10. Hot Plasmids - October 2020

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    Blog Post
    ...you'll find in this post: Tools for labeling excitatory inhibitory synaptic proteins Fluorescent protein...corner New from the viral service Labeling excitatory and inhibitory synaptic proteins with FingRs ...developed AAV vectors to selectively visualize excitatory and inhibitory synapses in the brain.  ...scaffolding proteins PSD95 and gephyrin to label excitatory and inhibitory synapses, respectively. Once expressed... fluorescent proteins targeting inhibitory or excitatory synapses or that are Cre-inducible, researchers... development, regeneration, and certain disease states. However, it’s difficult to observe the cell cycle...
  11. How to Prepare for an Industry Interview

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    Blog Post
    ...Scientist positions often required a one-hour presentation about a prior research project. In total, the...notes after each interview.   Tailor your 1-hour presentation to your audience Start by asking the hiring ...hiring manager or recruiter what presentation format they require. Frequently they will ask you to present ...giving them sufficient background info. Use the presentation as an opportunity to demonstrate technical and... potential technical difficulties. Have your presentation on a flash drive and consider bringing your ...company will allow it. Before you start your presentation, introduce yourself to your audience. Pay...
  12. Open Resources and Plasmid Tools For Studying C. elegans

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    Blog Post
    ...elegans. To study the role of 3’UTRs, the Arizona State University (ASU) Biodesign institute developed a...polyadenylation for all protein coding mRNAs, and annotations extracted from other databases (Mangone et al...Dynamics Database (WDDD) The WDDD aims to acquire quantitative data on all the cell divisions of the C. elegans...methods provides unique opportunities to develop computational methods to better understand animal development...additional SapTrap plasmids used for introducing point mutations that was published in a microPublication (Schwartz... E. M. "SapTrap vectors for introducing point mutations with unc- 119 + selection." MicroPublication 1...
  13. A New Generation of Adenine Base Editors Improves Editing in Primary Human Cells

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    Blog Post
    ...efficient. Informed by these mutations and previously described TadA mutations (Gaudelli et al., 2017), they...withstand antibiotic selection. As a result, 8 mutations in TadA could create all three edits and were ...placeholder for the number that identifies the mutation in the evolved TadA domain. Because ABE7.10 contains...therapy approaches can use base editors to correct mutations in stem cells and return the corrected cells back...tested ABE8.17-m and found that one base change mutation (ABE8.17-m+V106W) (Gaudelli et al., 2020) was ...
  14. PhD Applications After COVID

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    Blog Post
    ...challenges, and the flood of interview requests and visitation days can be, at times, very overwhelming. As ...applied to PhD programs in Biology around the United States in 2021, I know that this process only became even... to a school that requires its students to do rotations in different labs before selecting an advisor,...prospective student of such-and-such university State how you found their lab (usually through the university...name of the award you won for your conference presentation. It can help soothe your nerves and make sure...on opposite sides of the country had scheduled visitation days during my midterm exams. Using the online...
  15. Starter guide to induced pluripotent stem cells (iPSCs) part 1:  A renaissance in regenerative medicine

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    Blog Post
    ...replicate while maintaining the undifferentiated “stem” state and, Their potency or capability to differentiate... mostly from abnormal and/or supernumerary preimplantation embryos that are produced during in vitro fertilization...during ESC isolation. Low Chances of post-transplantation rejection when used therapeutically High Low...similar functional utility, iPSCs bypass the transplantation compatibility issues and ethical concerns of... used therapeutically, the chances of post-transplantation rejection are low. Further, as iPSC generation...embryonic stem cell lines from IVF embryos after preimplantation genetic diagnosis. Hum Reprod, 2008. 23(1):...
  16. Quick Guide to Working with Drosophila Part 1: Getting Started with Flies

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    Blog Post
    ... track of your mutation. To maintain stable lines of flies carrying a specific mutation, Drosophila geneticists...contributed by mother and father). While some mutations can remain stable as homozygous alleles, others...you can stably maintain a heterozygote, and the mutation won’t drift away with each passing generation....journey of trying to get males to recombine two mutations onto the same chromosome. You should use females...whether any phenotypes have been observed from mutations in the gene, and whether any publications have...
  17. Fluorescent Proteins 101: Visualizing Subcellular Structures & Organelles

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    Blog Post
    ...localization and transport between healthy and diseased states can also provide interesting insights into disease...analysis software produces quantifiable results and statistics that can be used to compare between different...Dunn et al. 2011 provides an in-depth review of quantitative colocalization analysis methods and useful image... image analysis software tools. Pitfalls, limitations, and specialized colocalization methods Fluorescent... very useful tools, but they are not without limitations and well-executed experiments require some consideration...Fluorescent Proteins. Ruusuvuori, Pekka, et al. "Quantitative analysis of dynamic association in live biological...
  18. When is a Monomer not a Monomer? The Top Three Ways Your Favorite Fluorescent Protein Oligomerizes in Cells

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    Blog Post
    ...in an open inactive state, a closed active state, and an artificially active state due to closure by FP...The FP is confined to a plane and generally only rotates in 360°, increasing the probability that two FPs... and Citrine) can be monomerized with an A206K mutation [2]. Addgene has many of these constructs and ...used to determine if a protein is monomeric is sedimentation equilibrium analytical ultracentrifugation [...
  19. Genome-wide Screening Using CRISPR

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    Blog Post
    ... (NHEJ), usually results in a loss-of-function mutation within the target gene. CRISPR can also be used...cells, with each cell or set of cells containing a mutation in a different gene. Libraries may be available...correspond to genes that confer drug resistance when mutated. Findings from this type of experiment can shed...requires the use of next-generation sequencing. Representation - Most libraries contain 3-6 gRNAs per target... gRNA within the population is key. Loss of representation due to enrichment or depletion of specific ...CRISPR screen. However, maintaining sufficient representation within your mutant population requires a massive...
  20. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

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    Blog Post
    ...These insights are hard to appreciate without computational support. Indeed, rational sgRNA design is not...painstakingly assessed to something a bit more representative of the communities’ opinion. The trouble is...pool of CRISPR software embodies solutions that facilitate most experimental applications in CRISPR engineering...function can be found in their online tool’s documentation. Since Hsu et al., 2013, other tools have incorporated...target sites, off-target sites, scores and the statistics that go into calculating them. For this, some... hardware. This OpenCL dependency is a severe limitation, but the tool is fast enough that, if you’re ...Python script called SSFinder, but I find its implementation to be too slow for practical use. The R based...
Showing: 261 - 280 of 852 results