We narrowed to 435 results for: Trac
-
TypeBlog PostPublishedAug. 11, 2015, 2:30 p.m....could then be used to examine both inter- and intrachromosomal dynamics, and how they change in response ...turned their attention to mapping pairs of intrachromosomal loci. The technique successfully resolved ... this work represents the first mapping of intrachromosomal loci, a major benchmark in characterizing ...
-
9 Tips to Achieve Success in Academia
TypeBlog PostPublishedApril 1, 2014, 5:33 p.m....have: working to deadlines, writing up clear and attractive reports, being good at presentations and of course...studies. They suggest that you make time for extracurricular activities both to develop new skills and to...information about the benefits of pursuing extracurricular activities. Success evolves from passion True... -
Chemogenetics vs. Optogenetics: Which Method Should I Choose?
TypeBlog PostPublishedJune 11, 2020, 1:34 p.m....not possible to elicit an immediate response or track the exact time of activation. Receptor activity ... Mouse studies, however, require a permanent intracranial implant to be surgically installed to allow ...receptors Invasiveness Mice require permanent intracranial implant Noninvasive Controlling Stimulation... -
Plasmids 101: Antibiotic Resistance Genes
TypeBlog PostPublishedJan. 30, 2014, 3:29 p.m....permeability Bactericidal 10-100 ug/mL Tetracycline tetracyclin Binds 30S ribosomal subunit; inhibits...in foil if a light-sensitive antibiotic like Tetracycline is used. Keep in mind that some E. coli strains... -
Viral Genome Sequencing - A One Stop Shop for AAV Identity and Serotype Confirmation
TypeBlog PostPublishedApril 23, 2020, 1:15 p.m....same frequency, we reasoned that, following DNA extraction, the [+] and [-] strands might naturally associate...restriction enzyme based methods, we showed that the DNA extract is a heterogeneous mix of single-stranded and double-stranded...species. While not all of the molecules in the DNA extract associate with complementary strands, enough double-stranded... -
Hot Plasmids and Viral Preps - September 2021
TypeBlog PostPublishedSept. 21, 2021, 1:15 p.m...., the DNA of interest, and cell extract. Graphical Abstract: Schematic representation of cell-free...the expression of fluorescent proteins and oxytetracycline enzymes. Next, this system was used to recreate... -
Plasmids 101: A Brief History of Plasmids and an Improved eBook!
TypeBlog PostPublishedOct. 29, 2015, 2:30 p.m....Latin for 'it'), as “a generic term for any extrachromsomal hereditary determinant”. His proposal, however...1960s when scientists began to study other extrachromosomal particles, particularly Resistance or R-factors...experiment. Dr. Cohen and colleagues treated a tetracycline resistant plasmid, pSC101, and a newly developed... -
Early Career Researcher Toolbox: Free Tools for Science Writing
TypeBlog PostPublishedApril 28, 2021, 1:15 p.m....setting writing goals, tracking progress, and starting a writing group. Loop Habit Tracker app for Android ... This app lets you track habits, like writing. It’s basically the equivalent of crossing off days on ... -
Unique and persistent IDs for improved reproducibility: Addgene now supports RRIDs and compact identifiers for all plasmids
TypeBlog PostPublishedNov. 20, 2018, 8:17 p.m.... mistakes in this can lead to wasted time or retractions. Using a catalog number for identifying a reagent...making it difficult or impossible for researchers to track down that resource. A more long-term solution is...IDs in published work allows readers to quickly track down the specific plasmids used. RRIDs and resolvable... -
Viral Vectors 101: Biosensors
TypeBlog PostPublishedJuly 6, 2023, 1 p.m....cell!)—ATP. There are biosensors for intracellular, extracellular, and even the ADP:ATP ratio. Most of...sensors developed for it. Calcium triggers muscle contraction, and calcium channels are activated for neuronal... -
Viral Vectors 101: Viral Applications
TypeBlog PostPublishedApril 13, 2023, 1:15 p.m....instead of by another method? Viral delivery is attractive due to the ease of transduction in difficult-...human transcription factors, barcoded libraries to trace cell lineage, and so much more! Libraries allow ...as delivery mechanisms for gene therapy. The tractability of AAV, low immunogenicity, and cell-specific... -
Viral Vectors 101: Viruses as Biological Tools
TypeBlog PostPublishedMarch 21, 2023, 1:15 p.m....RNA cargo into their targets makes them attractive and tractable tools for genome engineering. Scientists... into an organism. This feature makes them an attractive tool for human subject delivery, as immunogenicity... -
Choosing the B(right)est Fluorescent Protein: Aggregation Tendency
TypeBlog PostPublishedJune 15, 2017, 2:30 p.m.... on size is ultracentrifugation. Sedimentation equilibrium analytical ultracentrifugation yields an affinity...in some applications (e.g. labeling of cells or tracking promotor activity), but it is problematic in applications... -
Uncertainty about Labor Law Brings More Uncertainty to Postdoc Wages
TypeBlog PostPublishedJan. 11, 2017, 3:30 p.m....raised or hours tracked, 3% of postdocs were at institutions focused only on tracking hours, and 22% of...postdocs at the University of California, who had a contract - negotiated by their union - securing higher ... -
Supporting Rare Disease Research with the 2020 BeHEARD Awards
TypeBlog PostPublishedSept. 8, 2020, 2 p.m....the lab observed abnormal cell migration and contraction. The lab hypothesized that this is abnormally...identify whether any rescue cell migration and contraction defects. The lab also plans to use CRISPR plasmids...intensity-based signaling biosensors to monitor intracellular signaling,” says Hébert. Previous research has... -
Channelrhodopsins with improved light sensitivity for minimally-invasive optogenetics
TypeBlog PostPublishedNov. 3, 2020, 2:15 p.m.... to perform in vivo optogenetic experiments. Intracranial injections of AAV are commonly used to deliver...neurons and mouse brain slices collected following intracranial injection of an AAV expressing a ChRger. In ...nervous system which eliminates the need for intracranial injections. When packaged in PHP.eB, ChRgers... -
Seven Tips for Using LinkedIn as a Scientist
TypeBlog PostPublishedOct. 1, 2019, 1:21 p.m....of using social networking to start, build, and track professional relationships. Here are my seven best... for example). This is also a great way to keep track of how you met the connection, as these notes are...my paper resume). It’s also a great way to keep track of past accomplishments. Follow all the rules of... -
Hot Plasmids May 2018 - Optogenetics, Decaffeination, Biosensors, and Fluorescent Protein Tools
TypeBlog PostPublishedMay 15, 2018, 12:43 p.m....OptoSTIM1), caused two-fold faster changes in intracellular Ca2+ levels than the original version containing...photoactivatable fluorescent protein Dronpa. The authors tracked protein kinase A (PKA) activity at the plasma membrane...intensity at different time points, the authors tracked protein activity while also capturing information... -
Split-BioID: An Improved Method for Studying Protein-Protein Interactions
TypeBlog PostPublishedMay 1, 2018, 1:57 p.m....BioID or Split-BioID, cells are lysed, protein extracted, and labeled protein interactors purified via ...speed of labeling. BioID requires 6-24 hours for tetracycline induced expression of the BirA* fusion protein...Split-BioID, Schopp et al allowed 24 hours for tetracycline induced expression and biotinylation of interacting... -
Split Fluorescent Proteins for Studying Protein-Protein Interactions
TypeBlog PostPublishedMay 3, 2022, 1:15 p.m....localization in cells, or even single-particle tracking of the bound complex. There are so many FPs available...TagBiFC technique allows long-term single-molecule tracking of protein-protein interactions in living cells... can even be bright enough for single-molecule tracking in live cells. Controls When designing experiments... -
Hot Plasmids and Viral Preps - March 2021
TypeBlog PostPublishedMarch 23, 2021, 1:15 p.m....Epigenetic engineering with single-pot assembly Tracking cell-cell interactions New auxin inducible degron...protocols.io.brgcm3sw New system developed to track cell-cell interactions By Jennifer Tsang GFP-based...human body and G-baToN provides versibility in tracking and modulating the interactions between cells.... -
AAV Vector Quality Control: Going the Extra Mile with NGS
TypeBlog PostPublishedSept. 12, 2017, 1:44 p.m....particles (Figure 1). Briefly, packaged DNA is extracted from purified, DNase-treated AAV and submitted...with AAV-68544 to validate our method. We then extracted the DNA and processed the mixed sample in our ...Adeno-Associated Viral Preparations from Viral DNA Extracts. Human Gene Therapy 31:664–678 . https://doi.org... -
Viral Vectors 101: Voltage Indicators
TypeBlog PostPublishedJan. 30, 2024, 2:15 p.m....Cellular activities like action potentials, muscle contractions, and the control of voltage gated ion channels...insufficient level. The heartbeat – a muscle contraction – is directly related to the electrical impulse...and emit signal from. This specific example is attractive due to the large number of sheer molecules and... -
Plasmids 101: Protein Expression
TypeBlog PostPublishedJune 7, 2018, 1:17 p.m....protein of interest. Modified proteins can then be extracted from lysed cells through the use of protein tags...forming inclusion bodies that are difficult to extract without harsh reagents and patience. Plant expression... of complex post-translational modifications. Extraction and purification of recombinant proteins from... -
Tips for a 1st time AAV user (by a Rookie AAV user)
TypeBlog PostPublishedOct. 23, 2018, 11:49 a.m....ultrafugation Overview: Iodixanol gradient ultracentrifugation uses a gradient of different concentrations...during AAV production is overlaid. Following ultracentrifugation, the AAV-containing 40% fraction is collected...day. Refer to the AAV Iodixanol Gradient Ultracentrifugation Protocol for more details. Pro tips Watch... -
New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries
TypeBlog PostPublishedOct. 4, 2018, 12:44 p.m.... method (Tanenbaum et al., 2014). The sgRNA or tracrRNA sequences can also be modified to include RNA ...transcription factors. The Root and Doench labs utilized tracrRNAs with two PP7 stem loops to recruit additional ...the targeted region (Sanson et al., 2018) . This tracrRNA was combined with the sgRNA expression vector ... -
Lentiviral Vector Uses and Overview
TypeBlog PostPublishedMay 19, 2016, 2:30 p.m....kb), and they remain popular for targeting and tracing cells in the brain (Figure 1). 2nd generation lentiviral...been used for complex applications like lineage tracing in heterogeneous tumors. Lentiviral vectors are...In-vivo RGB marking and multicolour single-cell tracking in the adult brain. Gomez-Nicola D, Riecken K,... -
Fluorescent Proteins 101: Green Fluorescent Protein (GFP)
TypeBlog PostPublishedMay 15, 2014, 3:33 p.m....biosensors has been designed to detect a variety of intracellular conditions, including ion (such as Ca2+) concentrations...Because of its stability, GFP can be used in lineage tracking capacities in cell fate studies. It can also be...strand break repair, and to label pathogenic intracellular microbes to visualize host/pathogen interactions... -
Hot Plasmids - November 2023
TypeBlog PostPublishedNov. 14, 2023, 3:35 a.m....cargo Optogenetic proximity labeling and TransitID Tracking cellular history with protein ticker tape Teaching... bioRxiv – doi: 10.1101/2023.02.07.527548. Tracking cellular history with protein ticker tape By Brian...et al. (2023). Time-tagged ticker tapes for intracellular recordings. Nature Biotechnology, 41(5), 631... -
Twenty Years of Sharing: Expanding Accessibility
TypeBlog PostPublishedNov. 21, 2024, 10:47 p.m....certain number of days and tracking average transit time for each courier we contracted with so we can always...Culture Collections Lentiviral Plasmids Tetracyline Inducible Plasmids Empty Backbones Bacterial ...