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We narrowed to 605 results for: RAN-1

Showing: 471 - 480 of 605 results
  1. CASTing Off for New Shores in Human Genome Editing

    Type
    Blog Post
    Published
    June 10, 2025, 1:15 p.m.
    ... double-stranded breaks and can deliver large sequences and even entire genes. Figure 1: Mechanism...affiliated TniQ protein recruits transposition cofactors. The transposon proteins integrate a payload sequence... like we finish writing about one dual CRISPR-transposon system before another exciting new advance emerges...combined with the large sequence capacity of transposons open whole new worlds to explore. The newest ...called evoCAST — an evolved CRISPR-associated transposase (CAST). Back up a second. What are CASTs? CASTs...bacteria. In the course of evolution, Tn7-like transposons captured and repurposed nuclease-deficient CRISPR-Cas...Cascade shown) combines with a donor template and transposon proteins (Tns) to integrate large sequences into...
  2. Rewiring Metabolic Circuitry with CRISPR RNA Scaffolds [Video]

    Type
    Blog Post
    Published
    April 7, 2015, 4:21 p.m.
    ... Complex Synthetic Transcriptional Programs with CRISPR RNA Scaffolds. Cell, 160(1), 339-350 (2015). PubMed...recent paper, "Engineering Complex Synthetic Transcriptional Programs with CRISPR RNA Scaffolds." Adam has...visualize the concepts discussed in the paper. The transcriptional control of multiple loci is deftly coordinated...cerevisiae with few techniques that are easily transferrable across host species or metabolic pathways. A...CRISPR-based RNA scaffolds to mimic natural transcriptional programs on multiple genes. Modifying the ...synthetic RNA scaffolds that can recruit various transcriptional regulators (Zalatan et al. 2015).  These scaffolds...nucleotide sequence then subsequently recruit a transcriptional regulator to modulate expression at that locus...
  3. Plasmids 101: Gram Negative and Positive Bacteria

    Type
    Blog Post
    Published
    Aug. 2, 2022, 1:15 p.m.
    ...heat-fixed smear with the crystal violet stain for 1 minute. Rinse the slide briefly with tap water. Flood...diderms, have a thinner peptidoglycan membrane and an outer lipid membrane. Common gram negative bacteria include...within their membrane, while the stain is washed from the gram negative bacteria’s thinner membrane. Procedure...destroys the outer lipid membrane, and the thin inner peptidoglycan membrane is unable to retain the stain...expanded on Gram’s discovery, adding a second stain, safranin, as a counterstain to help visualize the bleached...or monoderms, have a single thick peptidoglycan membrane. Common gram positive bacteria include staphylococci...and immediately rinse. Flood the smear with the safranin counterstain for 30 - 60 seconds. Rinse the slide...
  4. Hot Plasmids and Viral Preps - September 2021

    Type
    Blog Post
    Published
    Sept. 21, 2021, 1:15 p.m.
    ... Figure 1: Identification and enrichment use of XMAS-TREE. a) Cells are transfected with three different...ready-to-use viral preps   Improved cell-free transcription/translation system to examine biosynthetic pathways... Gabrielle Clouse Recently, cell-free transcription/translation systems (also referred to as TX-TL systems...modifications to edit DNA without requiring a double-stranded break. The Xiao Wang Lab has recently deposited.... These plasmids use “Cas9-mediated adenosine transient reporter for editing enrichment”, or XMAS-TREE...identification of essential MYC binding sites in a wide range of human cells.  A new pooled library from Junjie...
  5. Tetbow: Bright Multicolor Labeling for Neuronal Tracing

    Type
    Blog Post
    Published
    Jan. 24, 2019, 2:24 p.m.
    ...Tetbow (Tetracycline trans-activator Brainbow) (Sakaguchi et al., 2018) (Figure 1). Once introduced, fluorescent...fluorescent protein (XFP) genes in a transgene. When multiple copies of the transgene cassette are introduced, stochasticity...fluorescent proteins is only possible at low copy number ranges, resulting in low fluorescent protein level. The...gene delivery is more common than conventional transgenic strategies. In such vector-based gene delivery...in the original method, we used the Tetracycline trans-activator system to boost the expression levels,...expression level of XFPs, most likely by suppressing transcription. It is critical to express a minimal amount ...Bio-Protocol 8 (2018): e3046. Livet, Jean, et al. "Transgenic strategies for combinatorial expression of fluorescent...
  6. Hot Plasmids: FRET-Based Biosensors

    Type
    Blog Post
    Published
    May 6, 2014, 1:07 p.m.
    ...construction of redCALWY-1, a red-shifted FRET sensor for zinc using variants of mOrange2 and mCherry as donor...field is a series of fluorescence resonance energy transfer (FRET)-based calcium biosensors. Perhaps most ...developed and published in 2010 for visualizing the transcription factor cAMP-responsive element-binding protein...really important and when? That is not known.” Transition Metals Maarten Merkx of Technische Universiteit...particularly for the intracellular imaging of transition metal ions, such as zinc, copper, and iron. “...the sensors involves plenty of trial and error. Transition metals also present challenges in that they are... way to make a FRET sensor with a large dynamic range,” he says. Merkx recently applied this “trick” to...
  7. Plasmids 101: NGS Quality Control for Pooled Libraries

    Type
    Blog Post
    Published
    Oct. 26, 2017, 1:59 p.m.
    ...preferentially). You can also rank the plasmids by abundance, scaled to 1, to create a “cumulative wealth... seems straightforward: E. coli bacteria are transformed with the library DNA, they grow and replicate... Each Addgene library has its own depositor transformation and amplification protocol, but the overall...Maintain representation of the library during transformation First, use enough DNA and competent bacteria...and we use electroporation to ensure a good transformation efficiency. For a typical library, Addgene ...growing the cells on solid plates, where each transformant forms its own colony, uninfluenced by the growth...concern, but Addgene still recommends plating the transformation mixture on solid media. The colonies are then...
  8. Creating accessible biology activities in schools with BioBits

    Type
    Blog Post
    Published
    Aug. 2, 2018, 12:56 p.m.
    .... You can email her at [email protected].   References 1. Huang, Ally, et al. "BioBits™ Explorer: A modular...that green fluorescent protein through transcription and translation. Unfortunately, having live cells in... like gel electrophoresis to separate DNA or transforming cells with green fluorescent protein, these ... into a host cell (through a process called transformation), essentially giving the cell all the instructions...enzymes that can convert certain chemicals into fragrances that they can smell, or enzymes that can create...perhaps consider using some elements of BioBits to transition your undergraduate students from the classroom...
  9. Three Tips for Preventing Viral Plasmid Recombination in Your Samples

    Type
    Blog Post
    Published
    Sept. 14, 2021, 1:15 p.m.
    ... contain the full length plasmid.   Figure 1: The full lentiviral plasmid is expected to be >12...recombination, one resulting plasmid carries the transgene of interest (aka the viral genome) and the other...resistance gene and origin will replicate, and the transgene will be lost. Over time, bacteria containing the... grow! Our 5 Tips for Troubleshooting Viral Transductions will help with the next steps.   References...recombination of plasmid DNA without affecting mRNA translation efficiency or half-life. RNA 25:507–518. https...common lab E. coli strains Find tips for viral transduction  ...
  10. What Do I Do Now? Academic v. Non-Academic Career Decisions

    Type
    Blog Post
    Published
    March 9, 2017, 3:40 p.m.
    ...occur, but good performers move around easily  Table 1: Taking it a Step Further - Big Company v. Small Company...encompasses millions of choices including pharma, tech transfer, management consulting, science communication,...into industry.” In his article On Leaving Academe, Terran Lane is asked by his colleagues and friends why...tell you to pick up the pace Constant worry about grants and renewals What is different about non-academia...outsource a task someone else who can do better, no grant writing Job changes can happen regularly (every ...where you want to go will help you focus on the transferable skills that you will need to get there. Additional...
Showing: 471 - 480 of 605 results