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Showing: 81 - 100 of 387 results
  1. FLEx Technology and Optogenetics: Flipping the switch on gene expression with high spatial and temporal resolution

    Type
    Blog Post
    Published
    Oct. 17, 2019, 12:28 p.m.
    ... et al., 2008; Taylor et al., 2016; Hooper and Maguire, 2016). Recombinant adeno-associated viruses (rAAVs...1984; Van Duyne, 2001; Christenson Wick and Krook-Magnuson, 2018). Optogenetic FLEx vectors contain a strong... Channelrhodopsin-2 to multiple cell types for imaging and long-range circuit mapping." Journal of Neuroscience...Central PMCID: PMC4971574. Hooper, Andrew, and Jamie Maguire. "Characterization of a novel subtype of hippocampal...11340053. Wick, Zoé Christenson, and Esther Krook-Magnuson. "Specificity, versatility, and continual development...
  2. Microbes: Look, Listen, and Tell

    Type
    Blog Post
    Published
    Aug. 28, 2018, 12:04 p.m.
    ...microscopes and give a similar optical quality (magnification of 140X and 2 micron resolution). I have worked...microbes by using non-invasive methods for cellular imaging with ultrasound. In his research he applies naturally...frequencies. Read more about ‘Using ultrasound to image bacteria in vivo: acoustic reporter genes’ on our...et al. "Acoustic reporter genes for noninvasive imaging of microorganisms in mammalian hosts." Nature 553.7686...
  3. Viral Vectors 101: Systemic Capsids

    Type
    Blog Post
    Published
    Oct. 12, 2023, 1:15 p.m.
    ...injections are administered in the cisterna magna or lumbar spine. Image and caption courtesy of Challis et al...clover.caltech.edu. Figure adapted from Challis et al. 2022. Image created with BioRender.com. Abbreviations: AAV, ...This capsid was developed and deposited by the Maguire lab. In mice, it is sex-independent and does not...similar to humans than New World Monkeys and rodents. Image and caption adapted from Campos et al., 2023. ...Tsoulfas, P., & Chaudhari, N. (2022). Selectively Imaging Cranial Sensory Ganglion Neurons Using AAV-PHP....D., Dujardin, S., Ramirez, S. H., Hudry, E., & Maguire, C. A. (2019). Selection of an Efficient AAV Vector...
  4. The Michael Davidson Collection: One-Stop Shop for Fluorescent Proteins

    Type
    Blog Post
    Published
    July 29, 2014, 6:16 p.m.
    ...world of fluorescent proteins and their use for imaging cell biology, Michael Davidson’s lab at Florida...been the go-to place. In 2012, his National High Magnetic Field Lab worked with an impressive 1,350 scientists...collection including some 3,300 plasmids along with image galleries and educational resources to go with them...Davidson lab even included some of their own reference images that can be found on the corresponding plasmid ...
  5. Sensing Neuronal Dopamine

    Type
    Blog Post
    Published
    July 30, 2019, 12:59 p.m.
    ...developed dLight1, a molecular tool to detect and image DA in live animals (Patriarchi et al., 2018). Similar...exhibit high (submicromolar) DA affinity and high-magnitude responses (increases in fluorescence) at low concentrations...et al., 2018). These sensors also exhibit high magnitudes of fluorescent responses. Studies on the kinetics...Patriarchi, Tommaso, et al. "Ultrafast neuronal imaging of dopamine dynamics with designed genetically ...
  6. Antibodies 101: Epitope Tags

    Type
    Blog Post
    Published
    May 11, 2023, 1:15 p.m.
    ...your application. Depending on the tag, directly imaging or tracking your protein may also be possible, ...peptide (YPYDVPDYA) derived from human influenza hemagglutinin. The tag has two negatively charged amino acids...fluorescent marker. The GFP tag is ideal for live cell imaging, FRET, flow cytometry, or immunofluorescence where...western blot as monoclonal antibodies also exist for imaging. The obvious con of GFP is its size – which can...
  7. RUBY-Red Siliques

    Type
    Blog Post
    Published
    March 1, 2022, 2:15 p.m.
    ...sterile conditions where disturbing the tissue for imaging or collection could contaminate it. I have used...self-cleaving 2A site linkages and a terminator. Image from He, Y., Zhang, T., Sun, H. et al. Hortic Res... highly expressing RUBY plant is a vibrant red/magenta while (bottom panel, left) a lower expressing RUBY... He has a passion for microscopy and beautiful imaging.   References and Resources References  He, Y....
  8. Visualizing Genomic Loci with CRISPR-Sirius

    Type
    Blog Post
    Published
    April 18, 2019, 12:53 p.m.
    ...will produce a secondary color (yellow, cyan, or magenta) depending on the hairpin combination. A gRNA containing...the same sgRNA will generate additional colors. Image from Ma et al., 2016 with permission.   Developing...-arm (T1), and the q-arm (T2) of chromosome 19. Image from Ma et al., 2018 with permission.   Why...RNA scaffolds for signal amplification in genome imaging.” Nature Methods 15 (2018): 928-931. PubMed PMID...
  9. Improving Transduction Efficiency with Exosome AAVs

    Type
    Blog Post
    Published
    March 14, 2019, 1:54 p.m.
    ... event. What are exosome AAVs? In 2012, Casey Maguire and colleagues from Massachusetts General Hospital...that are released from cells during production (Maguire et al., 2012). They saw that these AAV particles...development of the exo-AAV isolation protocol by Maguire and colleagues, other researchers have tried to...: 28082074. PubMed Central PMCID: PMC5368844.  Maguire, Casey A., et al. "Microvesicle-associated AAV ...
  10. Tagging Optogenetics and Chemogenetics Receptors: Fluorescent Proteins and Other Options

    Type
    Blog Post
    Published
    May 11, 2021, 1:15 p.m.
    ...membrane. The haemagglutinin (HA) tag is a small 9 amino acid epitope of the haemagglutinin of the influenza...membrane.   Figure 1: Electron microscope images showing ultrastructural localization of hM4Di in...coupled to mCherry (top) or HA tag (bottom). The images show examples of dendrites (blue shades) in the...
  11. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

    Type
    Blog Post
    Published
    March 3, 2020, 2:15 p.m.
    ...and co-transfected into cells for reconstitution. Image from Levy et al., 2020 with permission. Though...quenches a proportion of mScarlet's emission via FRET. Image from Beck and Gong, 2019. Broadening the spectral...and subsequent transformation into cyanobacteria. Image from Vasudevan et al., 2018. Find the CyanoGate...binding, bringing the two halves of Cre together. Image from Eisenhoffer et al., 2019. This novel tool...
  12. Hot Plasmids February 2024

    Type
    Blog Post
    Published
    Feb. 20, 2024, 2:45 p.m.
    ...   Figure 2: Inner mitochondrial membranes imaged with structured illumination microscopy in HeLa...COX8a-mStayGold. Scale bars 10 μm (main), 1 μm (inset). Image reused from Ando et al. 2023, under CC-BY license...identification and characterization of AAV.CAP-Mac. Image reproduced from Chuapoco, Flytzanis, Goeden, et ...the most versatile. Whether you plan to purify or image a recombinant protein, the FLAG tag has proven itself...
  13. Viral Vectors 101: Voltage Indicators

    Type
    Blog Post
    Published
    Jan. 30, 2024, 2:15 p.m.
    ...for certain applications such as in vivo tissue imaging.   Figure 1: Ace-mScarlet is a fusion ... a proportion of mScarlet's emission via FRET.  Image from Beck et al, 2019 under CC BY 4.0.   FRET...This system is particularly powerful for in vivo imaging especially since JFs can cross the blood brain ...targeting your cell type of interest. For in vivo imaging applications, the ability to direct your voltage...
  14. Hot Plasmids and Viral Preps - May 2021

    Type
    Blog Post
    Published
    May 18, 2021, 1:15 p.m.
    ... antigens as measured by suspension bead assay. Image from  Preger et al., 2020. Preger et al., Journal...3: Schematic representation of the MPyV system. Image from Cheah et al., 2021.   After validating ... vectors expressing GCaMP6f with this promoter. Image calcium transients in PV interneurons with AAV-S5E2... terminal providing better signal to noise for imaging calcium dynamics in fine structures. We have expanded...
  15. 3D Printing Meets CRISPR Cas9

    Type
    Blog Post
    Published
    Oct. 17, 2017, 12:55 p.m.
    ... the nuances of protein structure in a flat 2-D images. In the early days of structural biology, Byron...allowed researchers to create stunning, interactive images of their proteins. Since the 1980’s, journal articles...articles have been filled with impressive, full-color images of proteins. But they are still flat. To truly ...educator, these instances of focused attention become magical teaching moments. The models function as thinking...
  16. Drew Endy Introduces the Biobrick Public Agreement Plasmid Collection

    Type
    Blog Post
    Published
    Dec. 12, 2013, 3:35 p.m.
    ...engineering of biology much easier. So you could imagine engineering the entirety of a cell. That's a big... or so sensor domains for everything you could imagine. That I think is the next priority; we need the...clear, but the way I'd leave it is mostly to the imagination. The question is: what can you use biology to...off-the-shelf genetic elements that allow you to begin to imagine designing 10-gene systems with quantitative precision...
  17. Summer SciComm Series: Modes of Communication

    Type
    Blog Post
    Published
    July 1, 2022, 1:15 p.m.
    ... Math, sarcasm, romance, and spacecraft! Image courtesy of xkcd.com Science communication should...enough information to tell a compelling story in an image or do you need a full exhibit? In a five minute ... to convey an entire story or context via still images. Some things cannot be photographed or need text...interpretation. Infographics Low Combines both words and images; especially useful for conveying and contextualizing...
  18. Fluorescent Proteins 101: Aptamer Fluorophores

    Type
    Blog Post
    Published
    April 11, 2017, 2:30 p.m.
    ...temperature than its Spinach ancestors, and has a lower magnesium dependence. Though initially still unstable in...Central PMCID: PMC4364232. 2. Baker, Monya. “RNA imaging in situ”. Nature Methods 9, 787–790 (2012). 3. .... Filonov, Gregory S., et al. “In-gel imaging of RNA processing using broccoli reveals optimal aptamer...PMCID: PMC4071757. 6. Hong, He, et al. “Molecular Imaging with Nucleic Acid Aptamers.” Curr Med Chem.  2011...
  19. Four Base Editing Reporters to Monitor and Enrich Editing in Real-time

    Type
    Blog Post
    Published
    July 7, 2020, 1:15 p.m.
    ...Cas9-mediated editing (ACE) reporter in action. Image from St. Martin et al., 2018. APOBEC-Cas9n-UGI...Editing efficiencies using base editing reporters. Image from St. Martin et al., 2019. The Harris lab ...results in shift in emission spectra from BFP to GFP. Image from Standage-Beier et al., 2019. The team put...luciferase reporter, and neomycin resistance reporter. Image adapted from Katti et al., 2020. As a proof of...
Showing: 81 - 100 of 387 results