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We narrowed to 818 results for: cell

Showing: 431 - 440 of 818 results

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

    Type
    Blog Post
    ... 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...

  2. Hot Plasmids June 2018 - Reverse transcriptase, nanobody, and protein-DNA interaction tools

    Type
    Blog Post
    ...Nanobody toolkit to monitor retrograde transport at the cell surface Article contributed by Marcy Patrick  Listen...nanobodies to study retrograde transport from the cell surface. Their toolkit includes a set of plasmids...new technologies to quantify proteins in tissues, cells, and biofluids. Recently, Sam Myers, a Scientist...an sgRNA expressed from a separate plasmid. When cells are treated with biotin–phenol and H2O2, APEX2 labels...

  3. Fluorescent Biosensors for Measuring Autophagic Flux

    Type
    Blog Post
    ...the vacuole in yeast or the lysosome in mammalian cells. This decrease in pH quenches SEP but not DsRed,...acidity, this biosensor can’t be used with fixed cells. Find the mitochondria-targeted Keima variant at...Levine. "Methods in mammalian autophagy research." Cell 140.3 (2010): 313-326. PubMed PMID: 20144757. PubMedCentral...measurements of macroautophagy and mitophagy in mammalian cells using a single fluorescent biosensor." Scientific...

  4. Understanding GPCR Signaling Using TRUPATH

    Type
    Blog Post
    ... to environmental conditions, cells must be able to detect extracellular stimuli. One way they do so is...complex converts a signal received by a GPCR on the cell’s surface into action that can result in the initiation...protein transducers. To use the TRUPATH system, cells are transfected with plasmids expressing the GPCR... and the appropriate Gγ-GFP2 and Gβ constructs. Cells are then treated with the luminescent enzyme substrate...bound to the intracellular surface of the GPCR. Binding of a ligand to the extracellular surface of the...number of signaling cascades, inducing different cellular responses. One of the biggest advantages of such...

  5. 10 Great Guest Posts We're Thankful For

    Type
    Blog Post
    ...Your Favorite Fluorescent Protein Oligomerizes in Cells GFP oligomerization can lead to misleading artefacts...which specific chemical inputs are received by a cell. These so-called recombinase-based state machines...used to deliver a genes of interest to a variety of cell types in-vivo. These are widely used by the optogenetics...activation and repression of different genes in a single cell, and localization of a fluorescent signal to your... Below you’ll find brief summaries of several excellent guest posts from our depositors. Interested in...

  6. Plasmids 101: A Brief History of Plasmids and an Improved eBook!

    Type
    Blog Post
    ...R-factors could be transferred between bacteria via cell-to-cell contact; however, scientists noted that, unlike...cytoplasmic factors that could be transferred between cells. At the time, these extranuclear agents of heredity...PMCID: PMC3785787. References: Lederberg, Joshua. "Cell Genetics and Hereditary Symbiosis" Physiological...

  7. CRISPR Plasmids - C. elegans

    Type
    Collection
    ...sequence. DSBs are preferentially repaired in the cell by non-homologous end joining (NHEJ), a mechanism...PAM site. When a repair template is present, the cell may repair a DSB using homology-directed repair ...Cas protein and a target-specific gRNA in the same cell at the same time. Single plasmids containing both...

  8. CRISPR 101: Cytosine Transversion Editors

    Type
    Blog Post
    ...By taking advantage of repair pathways within the cell — in some cases, the same repair pathways that were...adenosine (A) to inosine (I, treated as G by the cell). Surprisingly, the team noticed that this editor...cytosine editing between bacteria and mammalian cells Researchers in the Xueli Zhang lab were making similar...2021). Their GBE produced C → G edits in HEK293T cells with over 50% efficiency in 23 out of 30 target ...follow the same initial mechanism as in mammalian cells — by excising the freshly edited U bases — but E...these fusion constructs improved editing in various cell types, although efficacy varied among target sequences...CGBEs at different target sequences and in different cell types, available at www.crisprbehive.design. CGBEs...

  9. A Primer on Optogenetics: Introduction and Opsin Delivery

    Type
    Blog Post
    ...opsin expression in the intended brain region and/or cell type (I’ll talk more about this in detail later)...desired optogenetic construct in the brain region and cell type of interest is obviously of critical importance...wish to stimulate or inhibit neuronal firing, the cell-type specificity, the kinetics of the opsin variant...control of a generic promoter). A DIO opsin allows cell type specificity dependent on the promoter of the...expression of your opsin is no longer required to achieve cell-type specific opsin expression. However, the types...spread, and with co-localization immunofluorescence, cell-type specificity. Viruses that only express the ...experimentation.  Whether you attempt to stimulate the cell body or an axon terminal also affects the length...

  10. Generating Mouse Models Using CRISPR/Cas9

    Type
    Blog Post
    ... into a mouse embryonic stem cell (ESC) line, enrich and select for cells that had successfully incorporated... when it gets exciting – the cell sends out an “SOS” signal and cellular repair mechanisms rush in to ...Cas-Mediated Genome Engineering. Cell 154:1370–1379 . https://doi.org/10.1016/j.cell.2013.08.022 Yoon Y, Wang ...Cas-Mediated Genome Engineering. Cell 153:910–918 . https://doi.org/10.1016/j.cell.2013.04.025 Zhang X, Liang...develop into chimeric mice (with a fraction of the cells in the adult mice derived from the engineered ESCs...Humanization (25-kbp) Created Using Embryonic Stem Cell/Blastocyst and CRISPR/Zygote Injection Approaches...
Showing: 431 - 440 of 818 results