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Showing: 21 - 40 of 225 results
  1. Antibodies 101: Avoiding the Mouse on Mouse Mess in IHC

    Type
    Blog Post
    Published
    Sept. 21, 2023, 1:15 p.m.
    ...antibody are present, your secondary antibody recognizes both the endogenous IgGs and your primary antibody...the tissue with unconjugated Fab fragments that recognize the endogenous IgGs (Lu and Partridge, 1998). ...secondary antibody since 1) your secondary should not recognize Fab fragments from the same species and 2) these... likely to bind (and block) the same epitopes recognized by the secondary.   Figure 2: There are...
  2. Antibodies 101: Choosing the Right Isotype

    Type
    Blog Post
    Published
    April 6, 2023, 3 p.m.
    ...antibodies. Some secondary antibodies are broad and recognize multiple isotypes from a species, like a general...general anti-mouse antibody. Others recognize specific isotopes within that species, like an anti-mouse IgG...only a fraction of the antibody molecules will recognize and bind to your primary antibody. Manning et ...example, some goat anti-mouse secondary antibodies recognize some rat primary antibodies (Erickson 1993). It...
  3. Bacterial Toxin-antitoxin Systems as Molecular Biology Tools

    Type
    Blog Post
    Published
    Nov. 1, 2018, 12:35 p.m.
    ... specific nucleotide sequences, preventing the cognate restriction enzyme from cleaving the DNA. A role...regulated by antisense RNA, which base pairs to cognate mRNA to inhibit its translation. The hok/sok system...resulting in a double stranded RNA structure that is recognized and cleaved by RNaseIII resulting in cell survival...MazF complex: molecular bases of antidote-toxin recognition." Molecular cell 11.4 (2003): 875-884. PubMed...
  4. Deep Mutational Scanning with One Pot Saturation Mutagenesis

    Type
    Blog Post
    Published
    Feb. 22, 2017, 3:30 p.m.
    ...(ExoIII) (step 4). UDG recognizes uracils that are in DNA and ExoIII recognizes nicked duplexed DNA. This...enzymes. These enzymes, Nt.BbvCI and Nb.BbvCI, recognize the same restriction site, but nick opposite strands...the DNA strand that contains their respective recognition site. This means that if the BbvCI enzyme used...
  5. Transferable Skills Guide: Conflict Resolution

    Type
    Blog Post
    Published
    Jan. 4, 2022, 2:15 p.m.
    ...approach to conflict resolution, it’s important to recognize that there are different types of conflict. Most...can fall into “groupthink” and fail to evolve. Recognizing when “bad” conflict can be spun into “good” conflict...you find someone annoying or disagreeable, you recognize their feelings as valid. Listening: In one of ...management skills. It’s also completely OK to recognize that conflict resolution may never be a strength...
  6. Technologies Enabled by NanoLuc® Luciferase

    Type
    Blog Post
    Published
    Feb. 8, 2018, 12:17 p.m.
    ...GpNLuc and OgNLuc BRET reporters produced bright signals without exogenous excitation and with OgNLuc being... penetrative orange fluorescent protein fusion (OgNLuc). Both fluorescent proteins can be excited by Nluc...deep tissue imaging. The constructs for GpNLuc and OgNLuc are available through Addgene (Cat.# 70185 and ...
  7. Technique: Probe Phage Genomes for Host Binding Proteins

    Type
    Blog Post
    Published
    Sept. 29, 2016, 2:30 p.m.
    ...the Szymanski lab. Reasons to study how a phage recognizes its host Bacteriophages (viruses that prey on...Currently, receptor binding proteins (RBPs, the host recognition factors of phages) constitute one of the most...knowledge of the structure(s) a given phage will recognize on a host cell. To make matters even more interesting...accomplished using a restriction enzyme with a short recognition sequence (like MluCI) that will cleave DNA frequently...
  8. Antibodies 101: Validation

    Type
    Blog Post
    Published
    March 24, 2022, 1:15 p.m.
    ... the target antigen - Recognition of an immunogen does not guarantee recognition of the target antigen...form of the target protein to be present and recognizable by your antibody despite the manipulation. Additionally...removes the entire exon that codes for the epitope recognized by your antibody. You perform immunocytochemistry...
  9. 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.
    ...Flp that induce DNA recombination at defined recognition sites (i.e., loxP and FRT, respectively) (Abremski...flanked (“floxed”) by two sets of incompatible recognition sites (e.g., loxP and lox511) in opposite orientations...does not cause recombination between mismatched recognition sites, its presence induces first opsin inversion...analyzing the neural circuits of behavior." Trends in cognitive sciences 15.12 (2011): 592-600. PubMed PMID: 22055387...
  10. Antibody Validation for Flow Cytometry

    Type
    Blog Post
    Published
    Sept. 10, 2024, 1:15 p.m.
    ...independent antibodies). If two antibodies, that recognize different epitopes of the same protein, show the...epitope is often not available to confirm that they recognize different epitopes. Detection of overexpressed...produced by different vendors. The specific epitope recognized by either antibody was not shared. Tables describe...describe that the antibodies both recognized the target when transiently overexpressed in CHO cells and...
  11. Quick, Versatile Plant Transgenesis with GreenGate Plasmids

    Type
    Blog Post
    Published
    Jan. 23, 2014, 3:23 p.m.
    ...distance away from the recognition site. In other words, cutting and recognition are independent. “They... to design modules that always have the same recognition site but distinct sites where the enzyme will...
  12. Hot Plasmids - January 2023

    Type
    Blog Post
    Published
    Jan. 31, 2023, 2:15 p.m.
    ...Adapted from Figure 3 Colognori et al 2022.   Find CRISPR Csm plasmids here! Colognori D, Trinidad M, Doudna...Differences:  Distinct variable domains that recognize different epitopes on GFP Monoclonal antibodies...
  13. Viral Vectors 101: Biosensors

    Type
    Blog Post
    Published
    July 6, 2023, 1 p.m.
    ...refer to as the analyte, needs to be specifically recognized by another factor, the receptor. The receptor...job is to generate a quantitative signal upon recognizing the analyte. This signal depends on the system...quantitatively give a readout for whatever the bio-recognition event is (fluorescence, pH, etc.). The transducer...
  14. Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity

    Type
    Blog Post
    Published
    Nov. 5, 2019, 1:28 p.m.
    ... Cas9. This is determined by the PAM sequence recognized by the nuclease. For the most frequently used... 3’-NGG. But Cas9s found in other species can recognize a variety of different PAM sequences. Researchers...Figure 1: The PAM sequence that the Cas nuclease recognizes determines site accessibility. Cas9s with a broader...
  15. Antibodies 101: Fab Fragments

    Type
    Blog Post
    Published
    Sept. 5, 2024, 1:15 p.m.
    ...you already have in your refrigerator will not recognize a Fab fragment. In order to detect a Fab fragment...IHC in a sample where your secondary antibody recognizes endogenous antigens. In these cases, even though...you block the antigens that the secondary would recognize and reduce non-specific binding.   At this point...
  16. Antibodies 101: Affinity Reagents

    Type
    Blog Post
    Published
    April 14, 2022, 1:15 p.m.
    ... as is antibody recognition, since antibody-specific antibodies bind to and recognize the constant region...molecular tools that have the ability to specifically recognize and bind proteins. They’re used in a number of...
  17. Progress Towards a PAM-Free CRISPR

    Type
    Blog Post
    Published
    March 7, 2024, 2:39 p.m.
    ...Cas enzymes exist, such as Cpf1/Cas12a, which recognizes the PAM sequences of TTTV. While all of these...all Cas enzymes equal; just because an enzyme recognizes a PAM sequence in your site doesn’t mean it’s...ll want to consider one of several Cas9s that recognize NG PAMs. The Nureki lab generated SpCas9-NG, a...
  18. Illuminating Epigenetics with A FRET Based Biosensor

    Type
    Blog Post
    Published
    Nov. 19, 2015, 3:30 p.m.
    ...characterized by low muscle tone, short stature, cognitive disabilities, problem behaviors, and a chronic... The K9 reporter uses the HP1 chromodomain to recognise lysine 9 methylation, while the K27 reporter uses... uses the polycomb chromodomain to recognise lysine 27 methylation. When tested in living cells where ...
  19. Hot Plasmids and Viral Preps - May 2021

    Type
    Blog Post
    Published
    May 18, 2021, 1:15 p.m.
    ... not interfere with ACE2 binding, but impact recognition by specific anti-SARS-CoV-2 antibodies (Fig 1B...  Figure 2: Specific binding of scFVs to cognate aaRS antigens as measured by suspension bead assay...ortholog from Staphylococcus lugdunensis that recognizes a NNGG PAM and has comparable activity to SaCas9...
Showing: 21 - 40 of 225 results