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  1. IBEX Knowledge-Base: A Data Resource for Multiplex Tissue Imaging

    Type
    Blog Post
    ...resource for spatial biology enthusiasts. This dataset currently includes 1049 community-validated reagents...into conversations with other users. The entire dataset can be downloaded from Zenodo, including the reagent...table or by downloading directly from the Zenodo dataset.     Figure 2: Screenshot showing reagent...HuBMAP) antibody metadata standards. And the dataset is rich. Experimental data includes reagent type...protocols, panels, publications, software, and datasets. It’s also a great place for anyone who has used...
  2. The Open Repository of CRISPR Screens: CRISPR Screen Data in One Place

    Type
    Blog Post
    ... Biological General Repository for Interaction Datasets (BioGRID) in order to increase the accessibility...accessibility of CRISPR-based phenotypic screen datasets. Original published CRISPR screen data is curated and ...and ready access to stably archived large-scale datasets by computational biologists. Figure 1: ...other species. By accurately compiling genome-wide datasets, which are often obscured in large supplementary...but also allows cross-interrogation of different datasets that might otherwise be hard to identify. ...
  3. Choosing Your Perfect Empty Backbone

    Type
    Blog Post
    ...bacterial selection cassette for growth and cloning in bacteria and a mammalian selection cassette to screen for...cells, you will not need a mammalian selection cassette (e.g. 1435 pSG5L Flag HA). You can also upgrade...with an integrating vector expressing a selection cassette with 5′ and 3′ flanking sequences matching the...fusion proteins. Pick your promoter, selection cassette and visualization vehicle to conduct your custom...
  4. Pushing the Limits of DNA Assembly

    Type
    Blog Post
    ...Producing yeast expression cassettes Traditionally, generating expression cassettes for yeast transformation...-fidelity polymerase) is the ability to remove, reset and ligate mismatched overhangs, yielding scarless...Cloning sgRNAs Production of Yeast Expression Cassettes Generating constructs with multiple point mutations...regions of homology and inserted into a linearized cassette, ready for transformation into yeast that same...
  5. Plasmids 101: Positive and Negative Selection for Plasmid Cloning

    Type
    Blog Post
    ...resistance cassette and you aren’t introducing an additional antibiotic resistance cassette along with...plasmid backbone contains a kanamycin resistance cassette, you would plate the cells on kanamycin-containing...carrying plasmids that contain a kanamycin resistance cassette will grow. However, often times, the plasmid backbone...
  6. Plasmids 101: Antibiotic Resistance Genes

    Type
    Blog Post
    ... Scientists introduce an antibiotic resistance cassette within the coding region of the gene they are ...is best practice not to use the same resistance cassette for the mutation and for plasmid selection. Additionally... vector typically has two separate resistance cassettes and your gene of interest is cloned into/inactivates...completely removes (in the case of Gateway cloning) one cassette. Counterselection allows the scientist to select...
  7. Even more elegant: Single injection CRISPR/Cas9 in C. elegans

    Type
    Blog Post
    ... background. Their new method uses a selection cassette containing genes for hygromycin resistance and...heat-shock inducible Cre to generate a self-excising cassette (SEC). To make it possible fluorescently label...into the genome. Figure 1: Self-excising cassette schematic from Dickinson et al. (2015). Used with...Engineering with a Self-Excising Drug Selection Cassette. Dickinson DJ, Pani AM, Heppert JK, Higgins CD...
  8. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

    Type
    Blog Post
    ...strewn across the floor. In the final wake it all settles down and the value of each item changes from what...individual; the  community as a whole has yet to settle on any true kind of value. I’ve dubbed this the...software design that is applicable to only one, or a subset of organisms. In only a few cases the software ... agnostic. Most tools are exclusive to one or a subset of organisms. Examples: “organism agnostic”, “model... you can rule out any tool that limits you to a subset of specific genomes. These are most of the tools...
  9. Using CRISPR/Cas9 to Edit Disease Out of the Genome

    Type
    Blog Post
    ...targeting the genes responsible for both early onset and late onset AD. In this study, the group showed that...connected to the early onset of Alzheimer’s disease, as well as those that play into late onset AD (5).     ...
  10. CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More

    Type
    Blog Post
    ...aTet-inducible gRNA and a backbone-targeting gRNA cassette for plasmid curing through "self-destruction" ... while pCRISPomyces-2 contains Cas9 and a gRNA cassette. The simpler system of pCRISPomyces-2 displays...). By cloning in two tandem copies of the gRNA cassette, one can reliably knockdown expression of multiple...such a purpose (Selle et al., 2020).  Targeting a subset of bacteria in a population Work from the Lu lab...found early success using CRISPR-Cas to target subsets of bacteria in population based on the presence...
  11. Mouse Modeling, Part 1: Genetically Engineered Mice

    Type
    Blog Post
    ... of a stop cassette upstream of the target gene in the targeting vector. The stop cassette is floxed, ...conditional systems Conditional knockouts or knockins A subset of transgenic mice, conditional knockout/knockin...so Cre-mediated recombination deletes the stop cassette, which permits expression of the target gene. ...
  12. The Effect of COVID-19 on Liu Lab Plasmid Requests From Addgene Data

    Type
    Blog Post
    ...unbiased data. Therefore, we chose to examine a dataset of Liu lab plasmid requests from Addgene, as a ... requests correlate with paper publication The dataset includes 11,426 plasmid requests over 6 years for...and 03/11/20 -- 05/19/20 (the last date in our dataset) for the U.S. and Europe. To improve the stability...China. An important additional caveat is that our dataset contains plasmid orders from just one lab, which...
  13. Quick, Versatile Plant Transgenesis with GreenGate Plasmids

    Type
    Blog Post
    ... frequently used elements in plant expression cassettes: plant promoters, N-terminal tags, coding sequences...C-terminal tags, plant terminators and resistance cassettes for selection of transgenic plants. The complete... gives the option to stack several expression cassettes onto a single T-DNA in subsequent rounds, dramatically...
  14. Embracing Serendipity: A Crucial Element in the PhD Journey

    Type
    Blog Post
    ...gain fresh perspectives. Such activities foster a mindset that embraces the unexpected and encourages exploration...Serendipity is not just a stroke of luck; it's a mindset that can lead to unexpected discoveries and innovative...serendipity into your research but also cultivate a mindset that is adaptable, creative, and poised for groundbreaking...
  15. Using AAV for Neuronal Tracing

    Type
    Blog Post
    .... In the specific example of episodic memory, a subset of hippocampal neurons projects axons directly ...tracing has the added benefit of only labelling the subset of infected cells that also express Cre. Another...AAV vectors. Conclusion An ideal comprehensive toolset for neuronal tracing and network identification...adeno-associated viral vector serotypes 1, 2, 5, 8 and 9 in marmoset, mouse and macaque cerebral cortex, Neurosci Res...
  16. Multiplex Genome Editing with CRISPR-Cpf1

    Type
    Blog Post
    ...et al   Multiplexed Lentiviral Expression Cassettes lentiviral transduction One vector expresses... own promoter   Kabadi et al Csy4-Cleavable Cassettes transfection gRNAs expressed from a polycistronic...co-transfection of Cas9 Nissim et alTsai et al PTG Cassettes transfection gRNAs expressed from a polycistronic...
  17. AAV Q&A with Tim Miles

    Type
    Blog Post
    ...re-administration but I do not think the field has settled on ‘best practices’ for model organisms.    Q11...expression is when injecting CAP-B10 or CAP-B22 in marmosets, from an individual to another individual perspective...CAP-B10 and CAP-B22 were tested individually in 4 marmosets each. Brain potency for each individual is reported...
  18. Deciphering the Mysteries of Behavior with Viral Vectors

    Type
    Blog Post
    ... activating chemogentic receptor (hM3Dq) into a subset of neurons within the LC of mice. When those neurons...harbouring a Cre-dependent IL-1 beta overexpression cassette. Expression of Cre in these neurons turns on overexpression...further and showed that the activity of a particular subset of excitatory neurons (Drd1) in mPFC is responsible...
  19. Supporting Reproducibility with a Connected ELN

    Type
    Blog Post
    ...and deposit individual documents or more complex datasets into the desired repository. They also support...experiment documented in RSpace using the RSpace datasets deposited in Figshare or Dataverse has access ...electronic lab notebook. Rory is based in Cambridge, Massachusetts, and feels privileged to be part of the vibrant...
Showing: 461 - 480 of 609 results