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We narrowed to 587 results for: cel.2;

Showing: 251 - 260 of 587 results

  1. Plasmids 101: Protein tags

    Type
    Blog Post
    ...(you generally don’t want more tag than protein), 2-3 tags is increasingly common. Tandem affinity purification...TEV cleavage site (more on that in a moment), and 2 ProtA IgG-binding domains. TAP has since come to encompass...found in this paper (available at Addgene).   Table 2: Protease recognition sites commonly used with tags...not generally in a cell’s best interest to overexpress a protein. Energy and cellular resources are being...being spent to make something the cell doesn’t need to make. Eukaryotes and some bacteria deploy proteosomes...proteosomes to degrade what the cell might consider junk protein. Though there are a number of chemical and...same manner as it would have in the context of a cell. FLAG tags can be cleaved by enterokinase, which...

  2. Spurred by COVID-19, Addgene Bridges Plasmid Sharing Between Academia and Industry

    Type
    Blog Post
    ...untagged expression of SARS-CoV-2 proteins in bacteria, yeast, and mammalian cells. We teamed up with Ginkgo...approximately 3,000 constructs to support SARS-CoV-2 research.  Browse the entire Ginkgo Bioworks COVID...organizations to share materials more broadly to accelerate COVID-19 research: Sinai Health System                                     ...

  3. Deep Dive: qPCR

    Type
    Blog Post
    ...indicating primer dimers. (c) A double peak indicating 2 amplicons. Image credits (respectively): Zuzanna K...details for reproducibility’s sake!   Fig. 2: Setting up triplicates in multiple configurations...used method is the Standard Curve method. See Table 2, (adapted from Wong, 2018) for a comparison of different...Statistically defined log-linear phase   Table 2: A comparison of different qPCR analysis methods. ... for RNA quantitation. Biotechniques. 2000 Aug;29(2):332-7. doi: 10.2144/00292rv02. PMID: 10948434.Taylor... that your reference genes are suitable for your cell lines and/or tissue types.  Please do note my oh-so-subtle...reference genes to save on plate space. For many cell lines and tissue types, appropriate reference genes...

  4. ReFigure: Save Scientific Figures into Dashboards and Share Your Insights

    Type
    Blog Post
    ...literature? Very often the data of interest are in 1 or 2 figures from one paper and then another figure in ...ReFigure by creating ReFigures and answering this 2 minute survey! You can also find ReFigure on Twitter... remember what happened when drug X was added to cell line Y, or the phenotype of a mouse with a specific...comparison of the same experiment from different cell lines/model systems ReFigure allows you to make...

  5. Antibodies 101: Reading a Flow Plot

    Type
    Blog Post
    ...you look at the dot plot in Figure 2, you might assume that all cell populations are positive for both ... the case of Figure 2, one population is B- and another two are B+. Our A-B+ cells are in the lower right...right corner.      Figure 2: This flow plot has two populations that are B+ and one population...-B+ cells, and A+B+ cells, but no cells that are A+B-.      Figure 3: It's often easier to identify...population of B cells and dendritic cells (DCs) in the lower middle right. DCs and B cells are HLA-DR+ and...single cells in a population. It can be used to measure protein expression, identify rare cells, or even...looking for cells in a sample that are negative for marker A and positive for marker B, or A-B+ cells. If you...

  6. Comparing Cas9 to NgAgo: Can the Argonautes Best CRISPR?

    Type
    Blog Post
    ...Epub 2016 May 2. PubMed PMID: 27136078. Find plasmids from this publication at Addgene. 2. Swarts, Daan... be stable in the cell. gDNA guides will also need to be transfected into the cells of interest. In contrast...unable to show TtAgo-mediated cleavage in mammalian cells, likely due to high temperature requirements. To...plasmid and genomic DNA in a variety of mammalian cell lines, with an efficiency similar to that of Cas9...

  7. New Acoustic Reporter Genes: Ultrasound Imaging of Gene Expression

    Type
    Blog Post
    ...starting day 2 after transfection.     Fig: 2: Expressing mARGAna in MDA-MB-231 cells. (a) Plasmid...expression. When engineering a cell line, cotransfect the mARG cassettes 2:1 (A:N-V) with PiggyBac transposase...producing cells. After FACS, return the cells to doxycycline-free media and expand the cells. Use a subset...white inclusions in cells with GVs via phase contrast microscopy, GVs visible in cells via TEM, and purified... heterogeneity required single cell screening to isolate a clonal cell line capable of producing ultrasound...expression homogeneity, as the cells could be batch-sorted to isolate a polyclonal cell line with strong gas vesicle...transient transfection in rtTA+ cell lines (such as HEK293-TETOn cells), or they can also be integrated...

  8. Tips for arabidopsis transformation

    Type
    Blog Post
    ... Plant Methods. BioMed Central, 2(1), p. 19. doi: 10.1186/1746-4811-2-19. PubMed PMID: 17087829. PubMed...PMID: 24032037. PubMed Central PMCID: PMC3759027. 2 Harrison, S. J. et al. (2006) ‘A rapid and robust ...incubated at stationary phase for too long, the cells in your culture will no longer be viable. The time...graduate student at Stanford University. She studies cell fate maintenance in the stomatal lineage and has...

  9. Plasmids 101: Plasmid Incompatibility

    Type
    Blog Post
    ...daughter cell, instead of partitioning each type of plasmid into a separate daughter cells (Figure 2) (Ebersbach...to plasmid loss (Diaz et al., 2015).  Figure 2: The partitioning problem. For low copy plasmids...Plasmids. Microbiology and Molecular Biology Reviews 62(2): 434–464. Pubmed PMID: 9618448 Diaz R, Rech J, Bouet...copy number in the cell is high, but allows replication when copy number in the cell falls too low (Novcik...system to partition themselves to each daughter cell during cell division. They don’t simply rely on chance...eukaryotic cells). The partition NTPase is recruited and “walks” each plasmid to a separate daughter cell. When...from the cell with the same probability, or asymmetrical, where one plasmid lost from the cell at a higher...

  10. FastCloning: A Newer, Simpler Cloning Technique

    Type
    Blog Post
    ...vector:insert ratio is used in the DpnI digestion and 2 µL of digest product are used in the transformation...Biology 38 (2016): 145-154. PubMed PMID: 27391134. 2. Li, Chaokun, et al. "FastCloning: a highly simplified...properly. Directly transform chemically competent cells with the digested mixture. There is no need for ...purification before transformation. After transforming cells, you should perform colony PCR with vector specific...interested in protein science.     References: 1. Celie, Patrick HN, Annabel HA Parret, and Anastassis Perrakis...
Showing: 251 - 260 of 587 results