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We narrowed to 810 results for: MAL

Showing: 361 - 380 of 810 results
  1. Visualizing Genomic Loci with CRISPR-Sirius

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    Blog Post
    ...based multicolor labeling system to visualize chromosomal loci in human cells (Ma et al., 2015). To do ...aptamers are nucleic acid sequences that bind to the small molecule, DFHBI-1T to induce its fluorescence. They...Hanhui et al. “Multicolor CRISPR labeling of chromosomal loci in human cells.” Proceedings of the National...
  2. Science Career Options

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    Blog Post
    ... opportunity to advance, and how many jobs are normally available (as sectors such as forensics currently...the relevant skills and experience.You might not normally think about it, but hobbies and volunteer experiences...are willing to exercise these skills outside of a formal work environment also shows that you are passionate...
  3. Photosensitizer Induced Cell Ablation with FAP-TAP MG-2I-dL5**

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    Blog Post
    ...portion of the complex and is derived from the malachite green (MG) dye, but has been modified with the...et al also show that MG-2I-dL5** only generates small amounts of non-specific ROS when exposed to YFP ...Receive the Fluorescent Protein eBook Learn about Small Molecule Fluorophores Resources on Addgene.org ...
  4. Synthetic Photobiology: Optogenetics for E. coli

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    Blog Post
    ... biological processes. Chemical effectors are suboptimal for a number of reasons, including their potential...number of plasmids, with one RR (ompR) encoded chromosomally. Leakiness was also an issue; some promoter ...transcription factors, for which low expression levels are optimal. These tools are compatible with many strains of...
  5. Choosing Your Fluorescent Proteins for Multi-Color Imaging

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    Blog Post
    ...supplement your cells with biliverdin for maximal brightness. In mammalian cells, one of the improved folding...however, that there is no single fluorescent protein optimal for all organisms and that if you want the brightest...
  6. Viral Vectors 101: Systemic Capsids

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    Blog Post
    ...total dose between 1 x 1011 and 5 x 1011 vg per animal (i.e., 10 and 50 µL of vector at 1 x 1013 vg/mL... Hudry et al, 2023; Hinderer et al, 2018). The optimal dose for each particular experiment is determined...validate the capsid for your specific application and animal model.  Other model organisms Tropism and efficacy...transduces BALB/cJ, CBA/J, and FVB/NJ mice, with minimal liver transduction observed in both BALB/cJ and...and AAV-PHP.S, with a bias toward segments of the small intestine (Chen et al., 2022). Systemic capsid for...
  7. Plasmids 101: Screens vs. Selections

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    Blog Post
    ...or mutagenizing a population (typically cells or small organisms) and then assaying for a functional or...are genetic knockout mutations and treatment with small molecules/drugs. With the advent of CRISPR, genome-wide...be knocked out with CRISPR, the entirety of the small molecule realm is typically not feasible to test...
  8. Giving gRNAs a Facelift - Synthetic and Beyond

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    Blog Post
    ...usually 1-3 of the first 3 bps are modified) for optimal stability and efficacy.    Base modifications What...are slightly more efficient and less toxic to mammalian cells (Allen, et al., Frontiers in Genome Editing...RNAs to Enhance CRISPR Genome Editing Systems in Mammalian Cells. Frontiers in Genome Editing, 28 (2021)....
  9. Antibodies 101: ChIP

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    Blog Post
    ...therefore will require crosslinking, which uses formaldehyde or UV light to create strong but reversible ...Fragmenting  The next step is break the DNA into random, small pieces of roughly equal size, typically between ...Whichever method you choose, you’ll need to reserve a small aliquot, split into two parts to (1) run a DNA gel...
  10. Antibodies 101: Buffers, Storage, and Conjugates

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    Blog Post
    ...going through small aliquots at a time, the -20°C is your best option, in aliquots no smaller than 10uL. ...guidelines below, you’ll likely be able to create a small, usable panel.  First, fluorophores vary in brightness...
  11. Viral Vectors 101: Inverted Terminal Repeats

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    Blog Post
    ...scientists to express a gene of interest in a cell or animal model. AAV plasmids contain several important elements...deletion in the B or C domain of one ITR. These small deletions are not usually an issue as they are thought...enzymes cut at known sites within the ITR. However, small deletions and point mutations will go undetected...
  12. Viral Vectors 101: Viruses as Biological Tools

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    Blog Post
    ... There are four main types of viruses used in mammalian research: 𝛄-retrovirus, lentivirus, adenovirus...Mutagenesis Possible Adenovirus Remains Episomal (Little Risk of Insertional Mutagenesis) High ...Expression High Immunogenecity AAV Remains Episomal (Little Risk of Mutagenesis) Very Low Immunogenicity...
  13. Plasmids 101: Transformation, Transduction, Bacterial Conjugation, and Transfection

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    Blog Post
    ...infected bacterium can either exist as transient extrachromosomal DNA, like a plasmid, or it can integrate into...introduce foreign DNA into eukaryotic cells, like mammalian cell lines. This can be done with lentiviral and...chromosome and allows the donor bacterium to make a small “bridge” or sex pilus that attaches to the recipient...
  14. Screening for Successful Genome Editing with Digital PCR

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    Blog Post
    ...cost-prohibitive for many labs, and are often impractical for small projects. Most researchers instead turn to so-called...frustrating to work with, time consuming, and minimally informative. In this blog post, we’ll introduce...one or no copies of the target DNA. Conventional thermal cycling is then performed to amplify the target...
  15. A Deep Dive into BioBuilder

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    Blog Post
    ... BioBuilder experience With its intentionally malleable curriculum, BioBuilder takes cutting-edge research...runoff from winter icing.BioBuilderClub is the only informal synthetic biology club of its kind, running from...who wish to participate. All new teams, large or small, receive the BioBuilder textbook, a laboratory kit...
  16. Viral Vectors 101: Gamma-Retroviral Packaging Systems

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    Blog Post
    ...envelope, Phoenix-AMPHO (for the infection of mammalian cells.) Using this system, virus is produced in...the host cell cytoplasm, the viral components are small enough to enter the nucleus through the nuclear ...of retroviruses for efficient gene delivery to mammalian cells using 293T cell-based systems. Curr Protoc...
  17. Protein Tagging with CRISPR/Cas9: A Conversation with Mendenhall and Myers

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    Blog Post
    ...things work correctly, the second plasmid inserts a small epitope tag called FLAG at the end of the transcription...beautiful ChIP-Seq results. The FLAG epitope is quite small—20 amino acids—so we don’t think it interferes with...challenges does this system help to solve? Myers: Only a small percentage of the proteins inside a cell have a ...
  18. Dos & Don'ts When Publishing a Scientific Manuscript

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    Blog Post
    ...identifier (a bit like a GenBank ID) to all antibodies, animal models, and software tools in the Materials and...contains all the necessary information to be of maximal use to the scientific communities. The ARRIVE guidelines... guidelines for the reporting of laboratory animals during in vivo research and the CARE guidelines for...
Showing: 361 - 380 of 810 results