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Showing: 61 - 80 of 260 results
  1. It’s Bioelectric! An Exciting Interdisciplinary Field of Research

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    Blog Post
    ...revealing the important role of bioelectrical signaling mediated by ion-channels and pumps in developmental...and patterning There is mounting evidence that signaling via ion channels and even between many cells (...bioelectric states in living cells. Since bioelectrical signals are controlled by the opening and closing of ion...at Tufts University, studies how bioelectrical signals affect pattern memory and decision-making in somatic...Joshua M. Finkelstein. "Endogenous bioelectric signaling networks: exploiting voltage gradients for control...
  2. Split Fluorescent Proteins for Studying Protein-Protein Interactions

    Type
    Blog Post
    ... split fluorescent protein (FP) and measure the signal produced when the candidate proteins’ interaction... the fluorescent protein, producing fluorescent signal. Image modified from Feng et al. 2017 under CC-...split fluorescent proteins for protein labeling and signal amplification. Zhou S, Feng S, Brown D, Huang B... fluorescence complementation assay with a high signal-to-noise ratio. Kodama Y, Hu CD. Biotechniques....sometimes interact in cells and produce background signal (especially for some older split-GFP constructs...
  3. PCR Applications for Copy Number Variation Assays

    Type
    Blog Post
    ...years. qPCR works like regular PCR, just with signaling molecules added to the mastermix that are read...seen within multiple runs of the standard curve. Signaling molecules: Sybr Green and Taqman qPCR most often...often uses either Sybr Green or Taqman for signaling. Sybr Green is a fluorescent dye that works by binding... is not particularly sensitive. The fluorescent signal can be affected by AT-rich DNA and the length of... chemistry. Blue arrows represent fluorescent signaling in the presence of dsDNA. Image courtesy of: Ygonaar...
  4. Bacterial Expression Systems

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    Collection
    ...11086 Tac (lactose/IPTG inducible) MBP, 6x His, signal sequence for localization to the periplasm David...-terminal 6x His tag and an MBP tag. Contains a signal sequence to localize the protein of interest to...bacteria. The presence of arabinose enhances the FRET signal from the CFP and YFP fluorophores linked by an ...
  5. Don’t FRET: Bimolecular Fluorescence Complementation Makes Visualizing Protein-Protein Interactions Easy

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    Blog Post
    ...including ubiquitinoylation, kinase signaling, integrin signaling, and transcription factor interactions...Formation of the complete FP results in a fluorescent signal that can be detected by fluorescence microscopy...which combination provides the best fluorescent signal. As for linker sequences, the amino acid sequences...of the endogenous PIPs should decrease the BiFC signal in a dose-dependent manner. This is straightforward...
  6. Getting to Know Expansion Microscopy

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    Blog Post
    ...secondaries, can improve signal strength (Sherry and Stiles, 2022). Fourth, signal continuity can appear ...Third, expansion results in dimmer samples. Reduced signal can be caused by loss of protein during digestion...polymerization and digestion conditions, loss of signal often occurs, due to a reduction in target concentration...Sherry DM, Stiles MA (2022) Improved fluorescent signal in expansion microscopy using fluorescent Fab fragment...
  7. 22 Hot Plasmid Technologies from 2014

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    Blog Post
    ...disease progression. One of the major challenges in signaling research is the inability to replicate the spatio-temporal...spatio-temporal precision with which signaling events occur in a physiological setting. Genetic techniques...typically rely on overexpression or knock-down, where signaling dynamics are influenced by the relatively long...approach, they designed Opto-RTKs, which activate signaling cascades on exposure to low-intensity blue light...intracellular kinase domains into contact and initiating signaling. Grusch et al. demonstrate that Opto-RTKs have...research into its many roles in protein function and signaling networks continues to expand. The labs of Jesse...precisely and non-invasively control neuronal signaling. For more information on DREADDs, please see...
  8. Luciferase Plasmid Collection

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    Collection
    ... leading to the emission of photons. The robust signal, sensitivity, wide dynamic range, and resistance...substrate Akalumine with significantly brighter signal and emission in the near-infrared range, enabling... assess FKBP and FRP interactions in the mTOR signaling pathway in vivo . DULIP ( DU al L uminescence-...
  9. New Optogenetic Tools for Cytoskeleton and Membrane Control

    Type
    Blog Post
    ...channels used to control activities like neuronal signaling — think of a mouse with an LED brain implant or...movement, and more, often driven by Rho family signaling pathways. Rho guanine-nucleotide exchange factors...used SuperPLD to manipulate phosphatidic acid signaling (such as Hippo, AMPK and mTOR pathways) and to...Membrane Recruitment Systems: The Rho-Family GTPase Signaling Toolbox. ACS Synthetic Biology, 11(1), 515–521....2022.09.010.  Ridley, A. J. (2016). Rho GTPase signalling in cell migration. Current Opinion in Cell Biology...
  10. Illuminating Choices: A Guide to Selecting Fluorescent Dyes and Ligands

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    Blog Post
    ...dyes can result in varying cytoplasmic background signals when used with the same protein (Hayashi-Takanaka... dyes can influence receptor conformation and signaling activity​​ (Sridharan et al., 2014). It's also... properties ensure a more consistent and stable signal over extended periods, which is particularly beneficial...crosstalk/crossover to reduce ‘muddying’ of the signal and facilitate clear differentiation between multiple... enable detection of finer details by improving signal-to-noise ratios. Certain dyes have been specifically...
  11. Mapping the 4D nucleome with CRISPR/Cas9

    Type
    Blog Post
    ...may improve the resolution, although background signal would be a concern. Another caveat of the study...protein molecules is necessary for a detectable signal, limiting the sensitivity of the technique. One...molecules (and also available from Addgene!) Since the signal level provided by SunTag is so high, cells may ...publication at Addgene. A protein-tagging system for signal amplification in gene expression and fluorescence...
  12. 27 Hot Plasmids from 2016

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    Blog Post
    ...proteins play in cell signaling. Understanding how molecules in the Ras signaling pathway interact will...Ras proteins are small GTPases involved in cell signaling pathways that control many cellular processes ...containing genes from a crowd-sourced map of the RAS signaling pathway and includes 180 unique transcripts. Each...Proteins rarely act alone. Molecular processes from signal transduction to transport rely on protein-protein...actuator’s subcellular localization using trafficking signals and named it Magneto 2.0. Using Magneto2.0-p2A-...developing selective kinase inhibitors to probe these signaling pathways or develop potential therapeutics, but...
  13. Viral Vectors 101: The AAV Retrograde Serotype

    Type
    Blog Post
    ...biosensors . Thus, you can map what regions are signaling to a particular site while also activating or ...inhibiting gene expression, detecting neuronal signaling, or manipulating any other genetically controlled...example, say I wanted to access all the neurons that signaled from the hippocampus to Broca’s area. This could...limited to the hippocampus. Thus, only neurons signaling from the hippocampus to Broca’s area would be ...
  14. Antibodies 101: Choosing the Right Isotype

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    Blog Post
    ...on the target protein they tend to have a strong signal and to work in a variety of applications. The desired... to a monoclonal primary antibody (A). To boost signal, consider using subclass specific secondary antibodies...primary/secondary antibody binding and therefore the signal strength (Fig. 1). Monoclonal primaries If you ... have been cross-adsorbed to reduce off-target signals. Use isotype- or subtype-specific secondary antibodies...
  15. MAPK Plasmids

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    Collection
    ...protein kinases (MAPKs), also known as extracellular signal-regulated kinases (ERKs), are serine/threonine-... an integration point for multiple biochemical signals. In collaboration with numerous research labs from...
  16. Tips for Using FRET in Your Experiments

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    Blog Post
    ...cross-talk is high and your background signal may be higher than the signal generated by the energy transfer...complementary pair of fluorophores. To maximize the FRET signal you should choose the highest quantum yield donor...excited by a specific wavelength of light and the signal is collected by using emission filters chosen for...
  17. Fluorescent Protein Guide

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    Collection
    ...light to detect, measure, and control molecular signals, cells, or groups of cells with either actuators...genetically engineered cellular receptors that affect signalling pathways within cells. Subcellular Localization...
  18. Fluorescent Protein Guide: In Vivo Imaging

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    Collection
    ... imaging have emission near or above 650 nm as signals below 650 nm are highly absorbed by hemoglobin ...hemoglobin and cause undesirable background signals. Near-infrared fluorescent proteins for in vivo imaging are...
  19. An Integrin Antibody Toolkit from IPI

    Type
    Blog Post
    ...essential cell surface receptors involved in complex signaling pathways and the linkage of intra- and extracellular...processes, including cell adhesion, migration, and signaling, as well as immune response, tissue repair, and...new tools to identify integrin presence, study signaling mechanisms, or ascertain which integrins are responsible...adhesion and migration, initiating intracellular signal cascades, and allowing agile responses to mechanical...
Showing: 61 - 80 of 260 results