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We narrowed to 643 results for: ato

Showing: 101 - 120 of 643 results

  1. The Crispr Babies Saga Shows the Need for Action, Not More Delays

    Type
    Blog Post
    ...upon a moratorium until another meeting, three branches – a private funder, government regulators, and ...there was a generally agreed-upon international moratorium on utilizing CRISPR/Cas9 in humans. This topic...mtDNA transfer options being investigated; A UK regulatory body tasked two separate non-governmental groups...technology to research centers engaged in long-term, mandatory follow-ups and observational studies of the technique...stop punting decisions on scientific, ethical, regulatory, and general public consensus to the next meeting...

  2. Plasmids 101: Modular Cloning Applications and Kits

    Type
    Blog Post
    ...site-specific recombinases, regulatory elements, developmental regulators, and lots of viral components...test many different combinations of promoters, terminators, solubility and purification tags, connectors... examine the effects of different promoters, terminators, enhancers, and cross-cassette interactions in...Standard and New E. Coli Part Library Enable Rapid Combinatorial Design for Synthetic and Traditional Biology... Signaling in CAR T Cells. Cold Spring Harbor Laboratory, 17 Feb. 2024. Crossref, https://doi.org/10.1101...Emerging CRISPR Technologies. Cold Spring Harbor Laboratory, 27 Oct. 2023. Crossref, https://doi.org/10.1016...

  3. The Breast Cancer Microenvironment: A Tumor’s Backstage Team

    Type
    Blog Post
    ...environmental modulation of hepatocellular cancer cell growth." Hepatology 54.4 (2011): 1237-1248. PubMed... was contributed by Bárbara Pinho, a science communicator at the Portuguese science museum "Fábrica Centro...myofibroblasts, neuroendocrine, adipose, immune, inflammatory, angiogenic vascular, endothelial, and stromal...seems to attack us by releasing mitogenic growth mediators and improving cancer cells proliferation.  How... Pinho! Bárbara Pinho is currently a science communicator at the Portuguese science museum "Fábrica Centro...

  4. Hot Plasmids - October 2020

    Type
    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... cycle in vivo, particularly if the cells are migratory or in deep tissues. To resolve this issue, Shangqin...

  5. CRISPR Between the Genes: How to Experiment with Enhancers and Epigenomics

    Type
    Blog Post
    ... the notation works? The + operator denotes intersection and the – operator denotes set difference. That...inclusive markers of regulatory regions in the genome, including enhancers, promoters, insulators, and more. I...enhancers, lncRNAs, repetitive elements, repressors, insulators, and more. We know that this matter exists, but...criteria: no TTTTT allowed (this is a polymerase terminator), and no off-target effects for the identified...

  6. Tips for Screening with Yeast Two Hybrid Systems

    Type
    Blog Post
    ...discovered the modular format of some transcriptional activators: that the DNA binding domain (DBD) and transcriptional...of whether it interacts with a transcriptional activator (1a) or a repressor (1b). Scientists took advantage... original Y2H systems utilized the yeast Gal4 activator, bacterial LexA DBD and the lacZ reporter gene...transcription-activating function of a eukaryotic regulatory protein. Science. 1986; 231:699-704. PubMed PMID... and Ptashne, M. A eukaryotic transcriptional activator bearing the DNA specificity of a prokaryotic repressor...PubMed PMID: 2547163. 5. Ozawa, T., Kaihara, A., Sato, M., Tachihara, K., Umezawa, Y.l. Split luciferase...

  7. Transferable Skills Guide: External Collaborations

    Type
    Blog Post
    ... concrete happen. You may have more willing collaborators than you realize. Being at a university provides...meetings and take minutes. Get to know your collaborators from other institutions personally on conference...relationship with the perspective of my potential collaborators in mind. Being at a university allows you to...with people at your organization. You can meet collaborators  for lunch, make a point of talking to them ...as messages and keep you up-to-date on your collaborators’ professional developments without directly ...to remind myself to check in regularly with collaborators for example on a holiday or for professional...

  8. 5 Reasons to Use Reddit for Science Communication

    Type
    Blog Post
    ...has a great team of moderators who facilitated scheduling, filtered out inflammatory questions, and even...and the moderators were on top of any comments that were at all trollish. Kudos to the moderators for keeping...lists of forums on particular topics. Volunteer moderators set the rules for these forums and try to keep...days). Redditors ask serious questions What the moderators did not delete or suppress were the large number...

  9. Quick Guide to Near-Infrared Fluorescent Proteins

    Type
    Blog Post
    ...calcium indicator (Shemetov et al., 2021). In addition to FRET, intensiometric calcium indicators NIR-GECOs...performance, and applications of near-infrared calcium indicators in this recent review (Shcherbakova et al., 2021...encoded near-infrared fluorescent calcium ion indicator. Nat Methods 16, 171-174 (2019). Matlashov, M..... A near-infrared genetically encoded calcium indicator for in vivo imaging. Nat Biotechnol 39, 368-377...Near-infrared and far-red genetically encoded indicators of neuronal activity. J Neurosci Methods 362,...

  10. CRISPR 101: Engineering the Plant Genome Using CRISPR/Cas9

    Type
    Blog Post
    ...crop species including potato, corn, tomato, wheat, mushroom, and rice (Khatodia et al., 2016). Despite...https://doi.org/10.1128/mmbr.67.1.16-37.2003 Khatodia S, Bhatotia K, Passricha N, Khurana SMP, Tuteja N (2016... al., 2013). Nuclease dead Cas9 (dCas9) based activators (such as dCas9-VP64) or repressors (dCas9-KRAB...

  11. Synthetic Biology - Networks and Gene Regulation

    Type
    Collection
    ...Examples Include: promoters and terminators repressors and activators logic gates Networks and Gene Regulation...includes both naturally ocurring and synthetic regulatory elements, pre-assembled genetic circuits, and...

  12. CRISPR 101: Epigenetics and Editing the Epigenome

    Type
    Blog Post
    ...expression. Fusing dCas9 to a transcriptional activator like VP64 or VPR activates transcription, whereas... is their persistence and inheritance. CRISPR activators and repressors are thought to be reversible once...cases, epigenetic modifiers may work better than activators/repressors - dCas9-p300 increased transcriptional...enables high-throughput screening for functional regulatory elements in the human genome. Nature Biotechnology...engineering CRISPR toolkit for probing in vivo cis-regulatory interactions in the chicken embryo. BioRxiv: ...Additional Resources on the Addgene Blog Cas9 Activators: A Practical Guide CRISPR Between the Genes: ...

  13. Three Key Considerations for Precise Neuronal Targeting Using AAV Technologies

    Type
    Blog Post
    ...have begun to use more precise genetic tools: activators, inhibitors, sensors, recombinases, and more....which was recently published in Frontiers in Neuroanatomy.  Here are the three main takeaways from the...achieved in nontransgenic animals by using cis regulatory elements such as promoters and enhancers, multicistronic...multicistronic vectors, and post-translational regulatory elements. Examples of these approaches are given...specificity of the targeted cell population.  Combinatorial strategies can also be used for retrograde tracing...

  14. Important Considerations When Using AAVs

    Type
    Blog Post
    ...cause the least amount of immune response. Any investigator who is using an in vivo animal model should ...identified with AAV2 (5), AAV6 (6) and AAV5 at excitatory connections (3). These facts beg the question...by the use of AAVs? 1) Combined functional and anatomical mapping of circuits In our lab, we use AAV-DREADD...these complexes are so robustly expressed that anatomical assessments can be easily performed too. While...identified this feature of AAVs as a new tool for neuroanatomical tracing (11). With the ability to produce neuron... Floris G., et al. "A fourth generation of neuroanatomical tracing techniques: exploiting the offspring...

  15. Sequencing Options for CRISPR Genotyping

    Type
    Blog Post
    ...Hendel et al. 2015). Low detection rates mean the investigator can be relatively certain that their samples...off-target mutations are essential data points for investigators looking to definitively link genotype and phenotype...viable options for multiplex sequencing in many laboratories. Nevertheless, unbiased detection isn’t as sensitive...genome-wide unbiased methods. However, most investigators use single cell clones for in vitro CRISPR experiments... Hough is a Biochemistry PhD candidate in the laboratory of Prof Steve Jackson at the Gurdon Institute...Resources on the Addgene Blog Learn to Use Cas9 Activators Perform Genome-Wide Screens with CRISPR Generate...

  16. Genetically-encoded Sparse Cell Labeling - A SPARC of Innovation

    Type
    Blog Post
    ...CsChrimson::tdTomato, an optogenetic tool (CsChrimson) attached to a fluorescent indicator (tdTomato), as the...intermediate (d), and sparse (e) labeling of the calcium indicator, GCaMP6f, in the Drosophila optic lobe. Image ...dendrites of T5 neurons by placing the calcium indicator GCaMP6f in the effector position, as well as to...

  17. Fostering communication in remote collaborations

    Type
    Blog Post
    ...same page. Ideally, these meetings include all collaborators, from the lab members who are conducting the...interesting results or ask questions to your collaborators. This helps everyone feel included in the project...frequently the entire group will meet. You and your collaborators should then hold each other accountable to these...and circumstances permit, think about having collaborators spend time with each other in person. One possibility...workshops are another great place to meet up with collaborators. Being able to present data from multiple aspects...

  18. Early Career Researcher Toolbox: Free Tools for Making Scientific Graphics

    Type
    Blog Post
    ...professional-grade design software, like Adobe Illustrator, and I didn’t want to pay for these programs ... Vectr is like a pared down version of Adobe Illustrator. There’s both a web and a desktop version of ...Inkscape Inkscape is the most similar to Adobe Illustrator out of the three options for drawing your own...20,000 icons is designed by professional medical illustrators with input from life scientists. It’s easy to...medical images organized into four main categories: anatomy and the human body, cellular biology, medical specialities...

  19. New and Upcoming Viral Vectors - Spring 2019

    Type
    Blog Post
    ...pAAV-Syn-FLEX-rc [Archon1-KGC-GFP-ER2] pAAV-FLEX-tdTomato pAAV-GFAP104-mCherry pAAV-mDlx-NLS-mRuby2 CAG-... also be used in conjunction with optogenetic activators and inhibitors that respond to blue light. We...fluorescent-tagged molecular tool.   Find pAAV-FLEX-tdTomato, pAAV-GFAP104-mCherry, pAAV-mDlx-NLS-mRuby2, CAG-NLS-GFP... pAAV-hSyn-DIO-mCherry 59462  AAV2  pAAV-CAG-tdTomato (codon diversified) 37825  AAV8*, AAV9*  pAAV-CAG-GFP...Also coming in our new 20 ul trial size! Voltage indicators Plasmid Serotype Name 119036  AAV1  pAAV-hsyn-flex-Voltron-ST...

  20. Fluorescent Protein Guide: Subcellular Localization

    Type
    Collection
    ...Dorus Gadella 37351 pQC membrane TdTomato IX Membrane Palmitoylation TdTomato Connie Cepko 22479 FUmGW Membrane...118737 pBOB-CARMIL2 BH domain-tdTomato Plasma Membrane CARMIL2 BH domain tdTomato John Cooper *Fusions to other...
Showing: 101 - 120 of 643 results