We narrowed to 475 results for: FLU
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TypeBlog Post...you can use PCR based detection, DNA staining, fluorescent tagging, agar plating, etc. Be wise to choose... to detect mycoplasma. When observed under a fluorescent microscope, the mycoplasma DNA appears in the...small clusters, apart from the cellular DNA. Fluorescent DNA staining is another DNA staining alternative...contamination by other bacteria or extracellular fluorescent signals produced by these bacteria can hinder...culture media. Also, drugs like BM Cyclin, fluoroquinolone ciprofloxacin, ciprobay, zagam, baytril, tetracycline...Method for the Detection of Mycoplasmas Using Fluorescence Microscopy. Cells 8:1510 . https://doi.org/10.3390...
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Antibodies 101: Epitope Tags
TypeBlog Post...used for western blot, flow cytometry, and immunofluorescence . However, protein purification is not ideal...amino acid peptide (YPYDVPDYA) derived from human influenza hemagglutinin. The tag has two negatively charged...for immunoprecipitation, western blot, and immunofluorescence with some success for protein purification...and can serve as an epitope tag as well as a fluorescent marker. The GFP tag is ideal for live cell imaging...imaging, FRET, flow cytometry, or immunofluorescence where an antibody can’t be used or that step can ... -
Creating accessible biology activities in schools with BioBits
TypeBlog Post...separate DNA or transforming cells with green fluorescent protein, these activities are limited to those...Typically, if you want to make a protein – say green fluorescent protein – you first need the DNA sequence that... instructions it needs to produce that green fluorescent protein through transcription and translation...students can easily sense, whether that’s bright fluorescent proteins that they can see, enzymes that can ...Stark, Jessica C., et al. "BioBits™ Bright: A fluorescent synthetic biology education kit." Science Advances... -
Addgene-Seeding Labs plasmid grant round 3: microbial drug resistance and biofilms, antidiabetic plant components, visualizing brain injury - and a glowing robot fish
TypeBlog Post...various structured surfaces. Plasmids expressing fluorescent proteins will be used to tag individual strains...within the biofilms will then be monitored using fluorescence microscopy and FACS. In an additional approach...this condition is crucial. Plasmids expressing fluorescent proteins and a new two-photon laser scanning ...plasmids containing promoter regions that activate fluorescent protein transcription in response to river contaminants...water samples at specific locations, measure fluorescent signals from the sensor, and send a signal including... -
The Breast Cancer Microenvironment: A Tumor’s Backstage Team
TypeBlog Post...microenvironment enzymes and metabolic reprograming influence tumors development? Being pathological active ...to cure cancer. To understand how cancer cells influence microenvironments and vice versa, let’s take a... being shaped by them. Another set of highly influential microenvironment cells are Cancer-Associated ...fact, Sanford H. Barsky and his team tested the influence myoepithelial cells had on the conversion of non-malignant...begun to understand two main areas of study that influence tumor microenvironments: immunology and angiogenesis... -
Hot Plasmids and Viral Preps - March 2021
TypeBlog Post...implications for the fusion protein effectivity), and a fluorescent protein tag for visualization (Fig. 1b). While...catalytically inactive dCas9) to modify chromatin. A fluorescent protein can still be included for visualization.... G-baToN can also be applied to other fluorophore/antibody pairs. Because the anti-GFP nanobody...quantify protein degradation the Ward lab used fluorescent proteins (FPs) fused to the AID* (minimal 44 ...Saccharomyces cerevisiae. To control Cas9 activity and influence DNA repair pathways, Amit Choudhary's lab developed... -
Hot Plasmids February 2024
TypeBlog Post...colleagues identified a highly bright and stable fluorescent protein, StayGold. Although it quickly saw wide...dimerization while maintaining the bright and stable fluorescence of the original (Ivorra-Molla et al., 2023)....Ivorra-Molla, E., et al. (2023). A monomeric StayGold fluorescent protein. Nature Biotechnology, 1–4. https://doi.org..., et al. (2023). Bright and stable monomeric fluorescent proteins derived from StayGold. ResearchSquare...mature marmosets. CAP-Mac also robustly expressed fluorescent reporters in green monkeys and cultured human... -
Optogenetics + CRISPR, Using Light to Control Genome Editing
TypeBlog Post... FAST system, Ye’s lab could edit a tdTomato fluorescent reporter gene in mice using Minicircle DNA vectors...of Cas9 and a photo-dissociable dimeric green fluorescent protein (pdDronpa) (Zhou et al., 2018). pdDronpa... flanking the DNA-binding cleft of Cas9, the fluorescent domains dimerize and prevent DNA binding in the...chromatin architecture (Hoffman et al., 2020). Fluorescent dCas9 proteins can be used to identify specific...gRNA and a dCas9 fusion protein with three red fluorescent tags in U2OS cells. Upon light activation, dCas9...figure below. Next, by using a dual reporter fluorescence assay, Hemphill et al. demonstrated that the... -
Plasmids 101: Protein tags
TypeBlog Post...Which Fluorescent Protein Should I Use? Plasmids 101: Green Fluorescent Protein (GFP) Fluorescent Protein...Plasmids 101 has covered GFP and its related fluorescent proteins, which are sometimes used as tags for...tag for purification? Or you want to combine a fluorophore with a tag that localizes your protein to the... -
Hot Plasmids Spring 2024
TypeBlog Post...better ability to record subthreshold voltage fluctuations, while having high fidelity during action potentials...Structure of Voltron or Voltron2 conjugated to a JaneliaFluor dye emitting at 525 nm. Image reused from https...Because they are negative-going sensors (with fluorescent signal at baseline voltage), the investigators...closely-packed labeled cells. Plus, Voltron2’s fluorescence is tunable by changing the dye that becomes ...6). Figure 6: Illustration of split fluorophore assay to test reconstitution via mRNA trans-splicing... -
CRISPR Guide
TypeCollection...catalytically inactive dCas9 to a fluorescent marker like green fluorescent protein (GFP), creating a customizable... sequences using a fluorescent reporter. In SHERLOCK, a quenched ssRNA fluorescent reporter is added to...: Epigenetics Visualizing Genomic Loci Using Fluorophores CRISPR imaging has numerous advantages, including...customizable DNA or RNA label for fluorescence microscopy. RNA aptamers, like MS2 or PP7, can also be fused...fused to the gRNA to recruit fluorescently-tagged RNA-binding proteins (RBPs). Multicolor CRISPR imaging...dCas9 and S. aureus dCas9) tagged with different fluorescent proteins or by fusing the gRNAs to orthogonal...imaging of genomic loci, as in the CRISPR-Sirius . Fluorescent CRISPR systems have been used for dynamic tracking... -
Antibodies 101: Single Chain Fragment Variables (scFvs)
TypeBlog Post...The SunTag system uses an scFv to amplify the fluorescence intensity of a tagged protein. SunTag has two...bind the SunTag scaffold, the intensity of the fluorescent signal is boosted and enables single molecule...contains an HA-binding scFv that’s fused to a fluorescent protein such as GFP. The HA frankenbody works...frankenbodies, an anti-HA scFv-based probe for fluorescent imaging. Learn more about antibodies Read about...SunTag system which uses an scFv to amplify the fluorescence intensity of a tagged protein. Resources on... -
Hot Plasmids: Spring 2025
TypeBlog Post...transporters. The intensity-based Glutamate-Sensing Fluorescent Reporter (iGluSnFR) designed and improved by ...primary visual cortex (V1) layer 2/3 (L2/3). B) Fluorescence from axonal boutons of neurons expressing iGluSnFR3... IgG2a Cross-Adsorbed Secondary Antibody, Alexa Fluor 488 (Thermo Fisher A-21131) or Goat anti-Rabbit ... (H+L) Cross-Adsorbed Secondary Antibody, Alexa Fluor 594 (Thermo Fisher A-11012), and counterstained ... optogenetic activator channelrhodopsin-2 or fluorescent reporter dTomato under the control of one of ... -
CRISPR Plasmids for Genomic Visualization
TypeCollection...catalytically inactive Cas9 (dCas9) fused to a fluorescent marker like GFP, researchers have turned dCas9...into a customizable DNA labeler compatible with fluorescence microscopy in living cells. Alternatively, gRNAs...specific RNA-binding proteins (RBPs) tagged with fluorescent proteins to visualize targeted genomic loci. ...live cell imaging. Compared to techniques like fluorescence in situ hybridization (FISH), CRISPR imaging... the chromatin dynamics in living cells. The fluorescent CRISPR system has been used for dynamic tracking... -
Recombinases AAV Preps
TypeCollection...these molecular tools. Cre AAV ID Name Promoter Fluorophore/Tag Serotype(s) PI 105551 pENN.AAV.CamKII.HI....AAV.TBG.PI.Cre.rBGe TBG none 8 Wilson Dre AAV ID Name Promoter Fluorophore Serotype(s) PI 50363 AAV phSyn1(S)-DreO-bGHpA...Syn none 5, rg* Zeng Flpo AAV ID Name Promoter Fluorophore Serotype(s) PI 51669 AAV phSyn1(S)-FlpO-bGHpA...Light-Inducible Recombinases ID Name Promoter Fluorophore Serotype(s) PI 140135 pAAV-EF1a-iCreV EF1a none...none 1, PHPeB Zeng VCre AAV ID Name Promoter Fluorophore/Tag Serotype(s) PI 55638 pAAV-EF1a-vCre EF1a ... -
Inntags: Innovative Protein Epitope Tagging
TypeBlog Post...26322837. 2. Stadler, Charlotte, et al. "Immunofluorescence and fluorescent-protein tagging show high correlation...displayed good binding efficiency in both immunofluorescence and immunoprecipitation applications, but...Plasmids Tag endogenous proteins with CRISPR Fluorescently Tag Your Protein of Interest ... -
Hot Plasmids and Viral Preps - September 2021
TypeBlog Post...mCherry fluorescent protein followed by a stop codon and the coding sequence for a green fluorescent protein...representation of cell-free system, capable of producing fluorescent proteins and enzymes. Image from Moore et al....validated through monitoring the expression of fluorescent proteins and oxytetracycline enzymes. Next, this... -
Hot Plasmids June 2018 - Reverse transcriptase, nanobody, and protein-DNA interaction tools
TypeBlog Post...element (tyrosine sulfation consensus sequence, fluorophore, or APEX2), allowing for quantitative analysis... Since the anti-GFP nanobody is able to bind fluorescent proteins derived from A. victoria the functionalized...fused with GFP, YFP, mCerulean, or other related fluorophores. Find all of the nanobody toolkit plasmids here...technologies to quantify proteins in tissues, cells, and biofluids. Recently, Sam Myers, a Scientist in the group... -
Hot Plasmids: FRET-Based Biosensors
TypeBlog Post...recent contribution to the field is a series of fluorescence resonance energy transfer (FRET)-based calcium...with a solution: they devised self-associating fluorescent domains whose association is disrupted in the...Robust red FRET sensors using self-associating fluorescent domains. ACS Chem Biol. 2013 Oct 18;8(10):2133...et al. MagFRET: The First Genetically Encoded Fluorescent Mg(2+) Sensor. PLoS One. 2013 Dec 2;8(12):e82009... -
27 Hot Plasmids from 2016
TypeBlog Post...with Rosella, a pH-sensitive fluorescent biosensor A pH-sensitive fluorescent biosensor-based assay system...expression constructs fused with epitopes or fluorophores, generate expression vectors with various promoters...DsRed is relatively pH-insensitive, while SEP fluoresces at cellular pH (7.0) but not at vacuolar pH (...environments that inactivate SEP and leave only DsRed to fluoresce (1). With variants that can be targeted to specific...tagging event. Commonly used sequences, including fluorescent tags, a floxed Cbr-unc-119 selectable marker,...the mAID vectors come with mCherry2 or mClover fluorescent proteins allowing you to screen for fusions. ...