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We narrowed to 904 results for: CAN

Showing: 601 - 620 of 904 results
  1. Targeting HIV-1 with CRISPR: Shock and Kill or Cut it Out?

    Type
    Blog Post
    Published
    May 10, 2016, 2:30 p.m.
    ...infected with the lentivirus HIV-1. Today, HIV-1 can be controlled with antiviral therapies such that ...from infected cells. Read on to learn how CRISPR can take on HIV-1 in vitro, and what obstacles must be...healthy individuals. Antiretroviral therapy (ART) can virtually eliminate plasma HIV-1, improving life ...promoter-driven GFP expression. In cell lines that can produce HIV-1 toxic proteins, CRISPR/Cas9 SAM caused...our reach. Similar studies have shown that CRISPR can be used to combat other viral infections, notably...learned in pursuing one technological application can benefit many others and accelerate the pace of research...inflammation, and negative metabolic effects of ART. Why can’t the body mount an immune response to destroy these...
  2. Evolution of Brainbow: Using Cre-lox for Multicolor Labeling of Neurons

    Type
    Blog Post
    Published
    April 24, 2015, 2:39 p.m.
    ...Without Cre recombination, RFP is expressed. Cre can mediate one of two deletions to allow YFP or M-CFP...using 2 loxP variants (only identical loxP sites can mediate recombination.) The deletions are mutually...deletion and inversion. The Brainbow-2.1 construct can express one of four colors (n-GFP, RFP, YFP or M-... two color possibilities. The remaining cassette can invert as long as Cre remains expressed; once Cre...includes a mutant YFP that does not fluoresce, but can be detected via immunostaining. This feature facilitates...placed under different promoters, Brainbow and Flpbow can be used to label distinct cell populations. To decrease...three recombinations, and subsequent recombinations cannot occur. While the Brainbow-1 system employs Cre-...
  3. DAP arrays for multiplex gene editing

    Type
    Blog Post
    Published
    July 7, 2022, 1:15 p.m.
    ... promoters, has limited the number of gRNAs that can be packaged into viral vectors for potential in vivo...the Gao Lab demonstrated that the tRNA-gRNA array can drive the expression of itself, without using any...gene editing with DAP array   Use DAP arrays can enable efficient multiplex gene editing, such as ...different tRNAs with optimized 5’ leader sequences can be used together in DAP array. To construct DAP array...their initial testing. It outperformed other tRNA candidates (either from human or plant sources) in both ...
  4. New Neuroscience Tool: The iGluSnFR3 Glutamate Sensor

    Type
    Blog Post
    Published
    April 7, 2022, 1:15 p.m.
    ...a variety of roles in synaptic communication and can trigger other forms of neuronal signaling and regulation... The yellow (v82) and lime green (v857) versions can be summarized quickly as: iGluSnFR3 v82: increased...being deposited at Addgene. Other plasmids and pAAVs can be ordered directly from Addgene. The Podgorski Lab...provided a brief breakdown of the promoter systems you can use to express the iGluSnFR3 variants: pRSET: Bacterial...
  5. Addgene’s Viral Service - Why Virus? Why Now?

    Type
    Blog Post
    Published
    March 23, 2017, 2:30 p.m.
    ... approaches everything; we asked ourselves, “How can we do this in a way that most helps scientists and...about virus production protocols and quality control can be found on Addgene’s Viral Production webpage). ...partnerships to expand the service and figure out what we can afford to do and when. Addgene’s Legal Team acquired...Requested Lentivirus and AAV of 2016 Learn How You Can Use the Viral Service in Your Research Using Virus...
  6. 5 Great Apps for Lab Life

    Type
    Blog Post
    Published
    Sept. 22, 2016, 2:30 p.m.
    ...space per user, but, if you need more space, you can sign up for a plan. Best of all, by not using paper...also a very helpful aspect to this app; the user can search by sequence, category of enzyme, or name to..., and structures into one convenient resource. I can safely say that I still have the single and triple...codon list for each amino acid, but, overall AMINO can be beneficial for new researchers or students beginning...your notebook. The files uploaded are saved and cannot be deleted, so there is no worry about misplacing...find an MSDS for a lab chemical of choice. Now, I can’t guarantee every reagent in your chemical closet ...quizzed randomly about a hazardous chemical and can’t find your lab’s MSDS book, this is a great resource...
  7. 3 Challenges in Plant Synthetic Biology

    Type
    Blog Post
    Published
    July 22, 2014, 5:46 p.m.
    ...foods, and fibers. And because working with plants can be challenging, there are a lot of unexplored areas...not food, not medicine, and not mandatory – people can decide for themselves if they want this beautiful...body of knowledge. Organizations like Open Plant can then build on this research and effectively carry... pursuing scientific or business enterprises, he can be found climbing mountains or playing with his two...plant biology is a significant technical obstacle to plant synthetic biology. We cannot build what we do...now synonymous with GM to the point that people cannot imagine any use for GM technology other than to...sales. Flowers that change color throughout the day cannot be developed through conventional breeding; synthetic...
  8. Dos & Don'ts When Publishing a Scientific Manuscript

    Type
    Blog Post
    Published
    May 22, 2014, 4:02 p.m.
    ...manuscript needs to be revised before it can be published, this can delay publication and manuscripts may...that the manuscript requires revisions, the authors can publish a new version of the article, while the first...effort) and the scientific community, as the reports can be very informative as to how a paper is received...journals and their scientific communities aim to significantly improve the reproducibility and reliability ...
  9. Suggest A Plasmid You'd Like to Find at Addgene

    Type
    Blog Post
    Published
    March 16, 2016, 5:30 p.m.
    ...suggestions. Can’t find a plasmid you’re looking for in the repository? Let us know! You can notify us to...plasmid and a publication where we can find the plasmid. While we cannot guarantee that everyone we reach...
  10. Bioinformatics at Addgene

    Type
    Blog Post
    Published
    July 14, 2022, 1:15 p.m.
    ...channels. Since a Nextflow process can utilize any scripting language that can be executed on Linux, we created...computer, so it safely operates in isolation, and can be easily shared with others without any complicated...process defines which command or script will run and can be thought of as a particular step in the overall...step in our pipeline together.  Since each process can use a unique container, we customized each container...
  11. An Inside Look into Addgene's Dev Team

    Type
    Blog Post
    Published
    Jan. 23, 2020, 2:45 p.m.
    ...reusable software components that can be incorporated into software. You can think of these libraries as ingredients...educational, and professional backgrounds. Sometimes this can lead to wildly different ideas of how to approach... our software. What this means for us is that we can focus on the meat of the software and not waste time... places, we might be calling it an aliquot. This can lead to confusion as to what the code is supposed...development happening at Addgene under the hood. A significant portion of our development may not be visible...average of 40 minutes to 10 minutes. While users can’t tangibly see these improvements, you are benefited... been updated in several years) or they make significant changes that make it incompatible with our software...
  12. Great Results Start with Great Standard Curves

    Type
    Blog Post
    Published
    Aug. 15, 2024, 1:15 p.m.
    ...applications, and the quality of a standard curve can make or break an experiment. Here, we will provide... similar buffers if not, since buffer components can affect the final readout. When preparing a standard...user, equipment, assay incubation time, etc., which can vary even when the same protocol is being followed...sigmoidal. Once the trendline is calculated, you can extrapolate the concentration of the unknown sample...lowest and highest concentrations that the curve can accurately measure.  Dynamic range depends on a number...
  13. Tips for a 1st time AAV user (by a Rookie AAV user)

    Type
    Blog Post
    Published
    Oct. 23, 2018, 11:49 a.m.
    ...purified virus. This process can be completed in one long day, or the virus can be stored at 4 °C and buffer...separate into two phases. If this happens, the solution can be cooled and the two phases mixed together. Lastly...This approach gives me a bit of flexibility since I can store the cell lysates at -80 °C for up to 6 months...SYBR green technology or a TaqMan primer/probe set can be used and samples are quantified by comparing to...and Harshana de Silva Feelixge at Fred Hutchinson Cancer Center for teaching me about AAV production and...
  14. CRISPR 101: Targeting RNA with Cas13a (C2c2)

    Type
    Blog Post
    Published
    Sept. 21, 2017, 2:07 p.m.
    ...town, and other Cas proteins like SaCas9 and Cpf1 can circumvent the limitations associated with SpCas9...activation of the fluorophore. The fluorescent signal can be used as an indicator to determine whether the ...its structure and function? For starters, Cas13a can be used to bind and cleave target RNAs, although ...the exciting discovery that some Cas13a orthologs can function in mammalian and plant cells (Abudayyeh ...the protein in mammalian cells. LwaCas13a-msfGFP can mediate cleavage with spacers from 20-28 nucleotides...From this analysis, they identified 53 potential candidate genes that fell into 3 categories based on the...question: C2c1, C2c2 and C2c3 (short for Class 2, candidate 1, 2, or 3). C2c1 and C2c3 are related to Cpf1...
  15. Viral Vectors 101: Systemic Capsids

    Type
    Blog Post
    Published
    Oct. 12, 2023, 1:15 p.m.
    ... 2021) can help restrict expression to your cell type of interest, while miRNA target sites can be used...retrograde transport in neurons. (b) Genetic cargo can be customized to control transgene expression. Gene... cell type specificity. An on/off genetic switch can be used for expression control. (c) Viral delivery...which is one of a handful of natural serotypes that can cross the BBB. However, these natural serotypes (...Systemic capsids packaging Cre-dependent transgenes can also be paired with Cre-expressing transgenic mouse...spatiotemporal control of transgene expression or activity can be achieved using switches, including riboswitches...use two or more AAVs to transduce the same cell, can accommodate larger, modular genetic payloads. Since...
  16. Our Most Popular Blog Posts from 2019

    Type
    Blog Post
    Published
    Dec. 31, 2019, 2:26 p.m.
    ...fluorescent proteins, careers, and more. These resources can now be found in one place: the Educational Resources...Graphics by Beth Kenkel Find a round-up of tools you can use for making scientific graphics. PS: they’re free... transcriptase and a prime editing guide RNA, it can introduce insertions, deletions, and all possible...
  17. Using AAV for Neuronal Tracing

    Type
    Blog Post
    Published
    Aug. 9, 2018, 1:04 p.m.
    ...of the virus. While this can be useful, if too many neurons are labeled, it can be difficult to accurately...deficient (i.e. they cannot easily spread between cells like natural RABV or HSV can). AAV does not have...inserted electrodes) may be applied, but these methods can have a negative impact on cellular health. Another...Virus (HSV) also migrates through neurons where it can replicate and by doing so spread across several synaptic...immunogenicity and cellular toxicity. AAV vectors can be equipped with strong promoters for high and neuron-specific...fluoresce in different colors. An individual neuron can then be traced throughout the brain based on its ...Oh et al., 2014). Images yielded from this study can be found on the Allen Mouse Brain Connectivity Atlas...
  18. Hot Plasmids - February 2022

    Type
    Blog Post
    Published
    Feb. 22, 2022, 2:15 p.m.
    ... acids, HA is nine), multiple repeats of the tag can recruit multiple frankenbodies to amplify the signal...two guides require two arrays for Cas9, two guides can be streamlined into a single array for Cas12a. Image...histidine tags, are optimized for SDS-PAGE gels and can be detected on Western blots via engineered immunoglobulin...editor allows for base editing, while gene editing can be done via a nuclease-active CasMINI. This small...is highly specific in mammalian cells without significant off-target effects, yet small enough to be packaged...
  19. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

    Type
    Blog Post
    Published
    March 3, 2020, 2:15 p.m.
    ...developed split cytosine and adenine base editors that can be reconstituted in vivo to form a protein identical.... Broadening the spectral diversity of GEVIs can enable resolving single action potentials and further...allows for greater reproducibility as scientists can assemble parts from different labs and experimental...proteins controlled by Cre recombination. Each cell can have multiple copies of the transgene that recombine...
  20. 15 Years of Addgene: The Top 15 Plasmids

    Type
    Blog Post
    Published
    Jan. 8, 2019, 1:54 p.m.
    ...expresses the HIV gag, pol, rev, and tet genes. It can be used with 2nd or 3rd generation lentiviral vectors... proteins determine which types of cells a virus can infect. The VSV-G envelope protein enables this virus...BbsI restriction site, a pair of annealed oligos can be cloned to create a chimeric guide RNA. Find pX330...producing lentiviral and MuLV retroviral particles. It can be used with packaging plasmids such as pCMV-dR8.2...
Showing: 601 - 620 of 904 results