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We narrowed to 928 results for: mpl

Showing: 521 - 540 of 928 results
  1. Plasmids 101: Plasmid Incompatibility

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    Blog Post
    ...Schumacher, 2012). This concept is a little more complex than simply competing for replication control factors... daughter cell during cell division. They don’t simply rely on chance (or random diffusion) to make this...some types low copy plasmids during cell division simply does not allow for enough time for correct partitioning...
  2. Deciphering the Mysteries of Behavior with Viral Vectors

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    Blog Post
    ...camera or tracking software. Locomotion is a highly complex process on the level of individual neurons and ...motivational and other aspects may be involved. For example, an animal moving around to explore the environment...the elevated plus maze, the light-dark box is a simple device comprised of a brightly lit (risky) and ...behavioral neuroscience to reveal insights into the complex relationship between genes, neurons, and behavior...
  3. CRISPR 101: Targeting RNA with Cas13a (C2c2)

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    Blog Post
    ...sequence of interest (red) is amplified using Recombinase Polymerase Amplification (RPA) or Reverse-transcription...RT-RPA), respectively. Amplified nucleotides are combined with Cas 13a in complex with crRNA targeting ...
  4. Antibiotic Resistance: An Old Solution but a New Problem

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    Blog Post
    ...become resistant somehow overtime. One fantastic example of intrinsic resistance would be Mycoplasma species...Figure 1): Over-prescription of antibiotics (for example, giving antibiotics for an infection that isn’t...treatment regiment might wipe out bacteria that are completely susceptible to a drug while a full course of ...likely to develop over time. It isn’t feasible to completely eliminate the development of resistance; it’s...
  5. The Challenges of Cell Culture

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    Blog Post
    ...work in cell culture. The problems with cell lines Simply put, the majority of cell line problems come from...when it is important to check their identity. For example, perhaps a working cell bank has been made by a...monitor any changes. Your tracking system could be as simple as a piece of paper on the front of the incubator...passage number, cell line, and date, which you complete each time you passage the cells (as well as recording...
  6. Antibodies 101: Reading a Flow Plot

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    Blog Post
    ...granularity, a proxy for nucleic complexity of the cell.  The sample will have been labeled using a panel...parallel.  Let’s imagine we’re looking for cells in a sample that are negative for marker A and positive for...Anderson, D. (2015). Neutrophil Responses to Sterile Implant Materials. PloS One, 10, e0137550. https://doi....
  7. Hot Plasmids: Fall 2024

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    Blog Post
    ...Construction of solid matrix-antibody-antigen complexes containing simian immunodeficiency virus p27 using...structures of CRBNmidi alone (A) and in a ternary complex with the multiple myeloma drug mezigdomide and ...on its own, with drug ligands, and in ternary complexes with other proteins, establishing CRBNmidi as ...first use of CRISPR/Cas9 in M. abscessus. The simplicity and efficiency of this dual-plasmid approach ...
  8. Twenty Years of Sharing: Addgene's Viral Vector Service

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    Blog Post
    ... and the complexity of effectively deploying them in the lab somewhat mirrors the complexity of understanding.... Addgene’s Viral Vector Service Besides being complex to use, viral vectors are also difficult both to...broadly useful vectors, a process that isn’t as simple as it seems. Take, for instance, the GCaMP-encoding...
  9. Plasmids 101: Broad Host Range Plasmids

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    Blog Post
    ...within the scientific community, as they allow for simplified transformation processes, and can be used by ... the others are functional in other hosts. For example, the pJD4 plasmid harbors distinct origins (ori1... load (Meyer 2009). Figure 1: Idealized examples of a narrow host range plasmid with only one ori... hosts in which proteins can be expressed. For example, scientists can incorporate interchangeable antibiotic...
  10. CRISPR-based Genome Editing Systems For Editing in E. coli

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    Blog Post
    ...targeting the genomic site of interest. The donor template is supplied separately. To use this system, you.... The optimized plasmid curing method was much simpler and took only ~32 hours instead of ~60 hours. ...strategy for plasmid curing, providing users with a complete editing process. The MUCICAT system While the ... pQCascade) with 4 rounds of transformation to complete the N-acetylglucosamine strain library construction...
  11. Mesothelioma - Causes, Symptoms, and Treatment

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    Blog Post
    ...is a terrible disease that is, unfortunately, completely preventable. Mainly caused by exposure to asbestos...that there are some genetic factors involved. For example, multiple studies show that certain mutations of...positive potential for treating mesothelioma. For example, patients who have peritoneal mesothelioma – that...immunotherapy that work in different ways. For example, a new drug known as pembrolizumab (Keytruda) causes...
  12. Avoiding the Dark Side of Fluorescent Protein Fusions with mOX FPs

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    Blog Post
    ...often have absolute position requirements. For example, a KDEL ER retrieval sequence only functions at... even disrupt fusion protein localization. For example, the formation of inappropriate inter-chain disulfide...disulfide bonds between FPs blocks Golgi complex-localized fusions from properly exiting the ER and fluorescing... that can be used in various combinations. For example, with standard fluorescent microscope filter sets...
  13. Plasmids 101: E. coli Strains for Protein Expression

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    Blog Post
    ...proteins. lon protease: Strains where this is completely deleted (designated lon or Δlon) similary reduce...variety of sources, so fear not—there are a few simple troubleshooting measures that can help get you ...will not express in an IPTG induction strain for example, nor will a p15 plasmid be compatible with a pLys...better at 30°C or room-temperature, which is accomplished by growing your culture to the desired density...
  14. Fluorescent Proteins 101: GFP Fusion Proteins - Making the Right Connection

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    Blog Post
    ...protein is cleaved by proteases. Nowadays, with ample structural information available, it’s clear that... better preserves the function of the POI. For example, the APT1-mVenus fusion localizes at the Golgi,... interact with other proteins or biomolecules. Examples of the successful insertion of a fluorescent protein...interactions) can be challenging. If a fusion can complement a knock-down or knock-out of the corresponding...
  15. Antibodies 101: Single Chain Fragment Variables (scFvs)

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    Blog Post
    ...scFv sequences have traditionally been cloned by amplifying the VLand VH antibody sequences of hybridomas...applications of scFvs: The SunTag system uses an scFv to amplify the fluorescence intensity of a tagged protein.....0000000000000145  Gąciarz A, Ruddock LW (2017) Complementarity determining regions and frameworks contribute... about the SunTag system which uses an scFv to amplify the fluorescence intensity of a tagged protein....
  16. Multiple Plasmids at a Low Price: Kits from Addgene

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    Blog Post
    ...important microalgae: intrinsic suicide switch implementation in cyanobacterium Synechocystis sp. PCC 6803...The Gomis-Ruth lab designed the pCri system to simplify the protein purification process by making it ...directly engages the ribosome for translational complex assembly. PhD student Dejan Gagoski used SITS ...Illumina-M13F bridging primer. These bridging primers are amplified and used to generate Illumina sequencing libraries...
  17. 10 Steps to a Perfect Science Talk

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    Blog Post
    ...build suspense. Notice the simplicity of their slides and how the slides complement the spoken message. Learn...get people to remember you). What better way to accomplish all of these things naturally than to give a ...cause and effect. Stories can and should be very simple. The goal is to get the listeners to be thinking...
  18. An Integrin Antibody Toolkit from IPI

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    Blog Post
    ...are essential cell surface receptors involved in complex signaling pathways and the linkage of intra- and...development. Integrin structure and conformational complexity There are 24 known mammalian integrins, all heterodimers...demonstrated that anti-integrin αVβ5.9 “essentially completely blocks all adhesion,” inhibiting the function...Leucine-Valine-Aspartate-Proline (LVDP) motif. The Ha and Springer teams employed IPI synthetic antigen-binding fragments (Fabs)...
  19. Viral Vectors 101: AAV Variables That Matter

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    Blog Post
    ...Using AAV vectors in complex biological systems can be tricky at best, and downright infuriating at worst...what works great in one system or cell type can completely fail in a different system (Issa et al., 2023...postsynaptic transmission (Oh et al., 2020). For example, AAV1 and AAV9 tend to spread farther from the ...Off-target expression can still occur (Fig. 3) - for example, some neurons can transiently express TH - so you...
  20. How to Design Your gRNA for CRISPR Genome Editing

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    Blog Post
    ...Gene knockout with CRISPR technology is usually accomplished by Cas9-mediated dsDNA breaks: following a cut... into DNA. This also requires an exogenous DNA template. HDR, however, is a very low-efficiency process... is >30nt from the proximal ends of the repair template (Yang et al., 2013). This means that, for gene...but can often require difficult decisions. For example, would it be better to use a less-active gRNA that...
Showing: 521 - 540 of 928 results