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We narrowed to 587 results for: cel.2;

Showing: 341 - 350 of 587 results

  1. Plasmids 101: Degron Tags

    Type
    Blog Post
    ...required components are 1) a SMASh-tagged protein and 2) asunaprevir (small molecule). dTAG The degradation...gone through an additional round of evolution (AID-2) to reduce some of the leakiness associated with the...uses a small molecule, a tag, and the endogenous cellular degradation machinery to function. The dTAG is...tag and small molecule. It does work in mammalian cells, mice, and even yeast, though (we have a kit!). ...and complete degradation of proteins in mammalian cells. Proc Natl Acad Sci U S A. 2012 Dec 4;109(49):E3350...Tags Plasmids for Endogenous Gene Tagging in Human Cells Antibodies 101: Epitope Tags  ...

  2. With an Eye Towards the Future, We Look Back at the March for Science

    Type
    Blog Post
    ...Vanderbilt University. She studies beta-cell function and failure in Type 2 Diabetes. Birmingham, AL, USA 33.5207...scientists have 1) the courage to make mistakes and 2) the integrity to recognize these mistakes quickly...available to people who want to join the dialog and 2) remember that science should not be partisan: everyone...of high profile people denying science, from celebrities falsely claiming vaccines cause autism to politicians...worried the march would be a simple, unquestioning celebration of science, at a time when scientists must rise...BC (Canada). She works in a lab that uses yeast cells to study how DNA damage promotes cancer. She is ...

  3. Better Dyeing Through Chemistry & Small Molecule Fluorophores

    Type
    Blog Post
    ...26000849. 2. Grimm, Jonathan B., et al. "A general method to improve fluorophores for live-cell and single-molecule...expressed as a fusion with your favorite protein and (2) a synthetic fluorophore-contianing “ligand” that ...). These cell-permeable Janelia Fluor (JF) dyes have excellent properties inside living cells, especially... fluorescent proteins. In-cell labeling strategies The majority of in-cell labeling strategies have two...and oligonucleotide labels for fixed-cell imaging, not for live-cell applications. Thus, these fluorophores..."Imaging live-cell dynamics and structure at the single-molecule level." Molecular cell 58.4 (2015): 644...sparked a renaissance in biological imaging. Suddenly, cell biologists were no longer beholden to chemists and...

  4. Plasmids 101: Choosing an Antibiotic Resistance Gene

    Type
    Blog Post
    ...suppress Zeocin-induced DNA cleavage in human cells. Mutagenesis, 20(2), 111–114. https://doi.org/10.1093/mutage...antibiotic selection. Essentially, this gene is a 2-in-1 providing both bacterial and eukaryotic selection...prevent cell death. One of the cool things about amp is that it's exclusively toxic to dividing cells. The... continuous cellular processes (e.g., protein synthesis), while amp only affects the cell wall synthesis...Check icon" %} Spectinomycin Excellent No Just bacteria Not SHuffle cells {% icon icon_set="fontawesome...icon" %} Zeocin Excellent No Bacteria, plants, and eukaryotes Not Tn5-containing cells {% icon icon_set..., penicillin, and is a beta-lactam that inhibits cell wall synthesis. The AmpR (amp resistance) gene produces...

  5. Fluorescent Proteins 101: Fluorescent Protein Timers

    Type
    Blog Post
    ...linear region to solve for total expression time. 2. Timer functionality with a single gene Although it...290.5496 (2000): 1585-1588. PubMed PMID: 11090358. 2. Tsuboi, Takashi, et al. "Age-dependent preferential...to monitor cell, organelle, and protein localization. For instance, you might dye your cells and look at...either in whole cells or as a pool of fusion proteins localized to a specific region of the cell. For example...the relationship between the age of a cell, protein, or cellular structure and a particular biological...trafficking to a subcellular location, start of gene expression, development of a cell structure, etc)....timers, researchers can look at a single image of a cell and understand how protein localization changes ...

  6. Antibodies 101: Producing Recombinant Antibodies

    Type
    Blog Post
    ...detection, and control. Int J Pharm. 2018 Oct 25;550(1-2):251-268. doi: 10.1016/j.ijpharm.2018.08.043. Epub...and particle formation. J Pharm Sci. 2015 Feb;104(2):602-11. doi: 10.1002/jps.24259. Epub 2014 Nov 21....and yeast cells are cost-effective and faster-growing than mammalian cells, but mammalian cells can perform...your cells with your plasmid(s), and then wait 7-14 days (in mammalian cells) to collect the cell culture...production system, cell lines typically used include Human Embryonic Kidney (HEK) cells and Chinese Hamster...recombinant antibodies with some molecular biology and cell culture experience. Let’s go over the basics of ... place in bacterial, yeast, plant, or mammalian cells. Each of these systems has their advantages and ...

  7. New Tools Enable CRISPRa for Neuroscience Applications

    Type
    Blog Post
    ...with neuron-specific expression of dCas9-VPR (Figure 2), a popular Cas9 activator developed by the Church...ubiquitous ones such as EF-1α and CAG. Figure 2: Dual lentivirus system with ubiquitous expression...fluorescence activated cell sorting (FACS) to isolate differentiated from undifferentiated cells at the end of ...these cell types are used. The lack of good flow cytometric antibodies for many CNS-resident cell types...that drive neuronal fate and reprogramming." Cell stem cell 23.5 (2018): 758-771. PubMed PMID: 30318302...CRISPRa screening approach in embryonic stem (ES) cells to determine which transcription factors promote...antibodies, downstream of the TUJ1 coding sequence. ES cells that stably express the dCas9-Suntag activator were...

  8. Zhang Lab's CRISPR Frequently Asked Questions

    Type
    Collection
    ...extraction solution, runs the protocol, then uses around 2-4ul in each 50ul PCR reaction. The gDNA extracted ...find both single-allelic and bi-allelic cells. Single-allelic cells usually make up the majority in culture...specificity. A good reference is this Cell paper: http://www.cell.com/abstract/S0092-8674(13)01015-5 As for.... A good example/reference is this Cell paper: http://www.cell.com/abstract/S0092-8674(13)01016-7 In the...allows you to sort for GFP-positive cells and to enrich for those cells that were positively transfected....CRISPR is used to engineer a locus, isolate single cell colonies, then genotype them, it is possible to ...or delivery the two plasmids together into your cells. If you want to use double nickase, you need to ...

  9. Tips for Screening with Yeast Two Hybrid Systems

    Type
    Blog Post
    ...retain their individual activities when separated (2), and that DBD and TAs from different systems could... Enzymol. 1983;100:293-308. PubMed PMID: 6312261. 2. Keegan, L., Gill, G., and Ptashne, M. Separation ...entire proteome of a particular cell type, or a subset based on a cellular compartment or growth stage)....extensively to screen for molecular interactions in the cell, including protein-protein, protein-DNA and protein-RNA...field of eukaryotic transcriptional activation and cell biology. During this period, proteins were successfully...The reporter gene then allows detection of those cells where binding between the proteins of interest has...alternative fungi (C. albicans, pC2HB) (7) and mammalian cells. If the problem is that your proteins are not post-translationally...

  10. Getting to Know Expansion Microscopy

    Type
    Blog Post
    ...maybe label) your sample (i.e. cultured cells or tissues).  Step 2: attach anchors to your sample that will...quite so much. Created with biorender.com Steps 2-4 are not found in standard IHC/ICC protocols and ... for EM is not something you find in the average cell and molecular biology lab, and EM is limited in ...ultrastructural relationships that influence everything from cell division to memory, but don’t have access to the...properties of the sample itself. For example, cultured cells are typically easier to expand than mouse brain ..., Mohar B, Eddison M, et al (2022) Visualizing cellular and tissue ultrastructure using Ten-fold Robust... Zwettler FU, Guennec ML, et al (2019) Imaging cellular ultrastructures using expansion microscopy (U-...
Showing: 341 - 350 of 587 results