Skip to main content
Addgene
Showing: 141 - 160 of 705 results
  1. CRISPR 101: Drug discovery and CRISPR

    Type
    Blog Post
    Published
    May 4, 2023, 1 p.m.
    ...knock-ins of patient mutations which are variants of unknown significance – mutations with unclear effects...with defined, straightforward causes (a specific mutation in a known gene = disease onset) may be best served...accessible, fast, and easy. In cases where the mutational basis of a disease is known – repeat expansion... can aid in generation of multiple edits or implementation of expression systems to accurately mimic a...CRISPR could even be used to generate patient mutations and then test both individual and combinatorial...
  2. Antibodies 101: The Basics of Western Blotting

    Type
    Blog Post
    Published
    March 8, 2021, 2:41 p.m.
    ...detect proteins in different states. For example, in immunoprecipitation (IP) the antibody interacts with... for protein interaction studies such as immunoprecipitation and pull-down assays.  Westerns are divided... with a protein in its native state while a western blot detects denatured polypeptide chains. The protein...epitopes, differ between a protein in its native state versus the polypeptide chain. Consequently, antibodies... way to gauge protein abundance they provide qualitative measurements. If you require precise quantification...determine protein interactions following immunoprecipitation and are a common readout for subcellular ...
  3. Hot Plasmids September 2018 - Optogenetics, RNA Localization, Fluorescent Protein, and Base-editing Tools

    Type
    Blog Post
    Published
    Sept. 18, 2018, 1:33 p.m.
    ... H161Y, P163T, I175Q, C176T and N177F mutations). Its excitation maximum is reported as 603 nm, while ...aptamers and MS2-binding fluorescent proteins were the state of the art in RNA imaging in vivo. These new “Riboglow...et al. PLoS One, 2016) and tested a series of mutations. Through this process mCarmine was developed (...several cell types is the lack of a rapid and quantitative editing assay. To help accelerate the expansion...-UGI-mediated activity edits out a frame-shift mutation within the mCherry reporter. Quantification of...
  4. Resume Writing for Non-academic Science Careers

    Type
    Blog Post
    Published
    Dec. 18, 2014, 4:06 p.m.
    ... job asks for experience in “statistical analysis”, mention “statistical analysis” (word by word) in your...general format of a resume and the different presentation styles. Wikipedia does a good job summarizing...handled large data sets and are familiar with statistical analysis. If you have done fluorescent imaging...publishing or patent application processes? How about facilitating a collaboration between research groups? Perhaps...universities make their job postings and salary expectations public, so start by looking at these university...
  5. Improved Plasmid Maps Powered by SnapGene

    Type
    Blog Post
    Published
    June 29, 2017, 1:06 p.m.
    ... 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...
  6. Plasmids 101: Methylation and Restriction Enzymes

    Type
    Blog Post
    Published
    June 30, 2016, 2:30 p.m.
    ...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 ...
  7. Cancer and the Immune System: Deciphering the Relationship

    Type
    Blog Post
    Published
    March 14, 2017, 2:30 p.m.
    ...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?...
  8. Channelrhodopsins with improved light sensitivity for minimally-invasive optogenetics

    Type
    Blog Post
    Published
    Nov. 3, 2020, 2:15 p.m.
    ...-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...
  9. Hot Plasmids - March 2019 - Anti-CRISPR, 2in1 Cloning, Fluorescent Voltage Indicators, and Photoswitchable Proteins

    Type
    Blog Post
    Published
    March 19, 2019, 1:31 p.m.
    ...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...
  10. What's New in CRISPR - November 2021

    Type
    Blog Post
    Published
    Nov. 18, 2021, 2:15 p.m.
    ...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...
  11. Transferable Skills Guide: Public Speaking

    Type
    Blog Post
    Published
    April 20, 2023, 4 p.m.
    ...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 ...
  12. Writing Scientific Manuscripts: Literature Searching, Reading, & Organizing

    Type
    Blog Post
    Published
    May 5, 2015, 3:54 p.m.
    ...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...
  13. Hot Plasmids - October 2020

    Type
    Blog Post
    Published
    Oct. 13, 2020, 1:15 p.m.
    ...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...
  14. How to Prepare for an Industry Interview

    Type
    Blog Post
    Published
    July 9, 2020, 1:15 p.m.
    ...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...
  15. A New Generation of Adenine Base Editors Improves Editing in Primary Human Cells

    Type
    Blog Post
    Published
    May 7, 2020, 1:15 p.m.
    ...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 ...
  16. Open Resources and Plasmid Tools For Studying C. elegans

    Type
    Blog Post
    Published
    July 18, 2019, 12:55 p.m.
    ...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...
  17. Starter guide to induced pluripotent stem cells (iPSCs) part 1:  A renaissance in regenerative medicine

    Type
    Blog Post
    Published
    Oct. 30, 2018, 1:04 p.m.
    ...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):...
  18. Quick Guide to Working with Drosophila Part 1: Getting Started with Flies

    Type
    Blog Post
    Published
    July 13, 2017, 2:30 p.m.
    ... 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...
  19. Fluorescent Proteins 101: Visualizing Subcellular Structures & Organelles

    Type
    Blog Post
    Published
    June 22, 2017, 2:30 p.m.
    ...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...
  20. PhD Applications After COVID

    Type
    Blog Post
    Published
    Jan. 5, 2023, 2:15 p.m.
    ...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...
Showing: 141 - 160 of 705 results