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We narrowed to 911 results for: Tro;

Showing: 541 - 560 of 911 results
  1. New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries

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    Blog Post
    ...average of 4 sgRNAs per gene and 1,000 non-coding control sgRNAs. This library was designed to improve on-target...CRISPRko libraries are highly effective at identifying strong hits in genetic screens, they do have several limitations... Luke A., et al. "Genome-scale CRISPR-mediated control of gene repression and activation." Cell 159.3 ...
  2. Minigenomes - a Safe Way to Study Dangerous Viruses Like the Ebola Virus

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    Blog Post
    ...standpoint, a plasmid with all four genes and necessary control elements for each would be relatively large. Cloning...separate plasmids allows researchers to partially control expression levels of each gene by altering the ...genes (either viral genes or minigenome) are under control of a T7 RNA polymerase promoter sequence. Thus,...
  3. Bioinformatics at Addgene

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    Blog Post
    ...laboratories and associated publications, but our quality control (QC) standards have evolved over the years to keep... ability to re-use or borrow existing code and control how the various pieces were connected, as this ... for Bioinformatics AnalysesAAV Vector Quality Control: Going the Extra Mile with NGS...
  4. Tips and Tricks for Using Golden Gate Modular Cloning (MoClo)

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    Blog Post
    ...Laboratory Golden Gate Cloning videos made by the Nicola Patron group, one of the developers of the MoClo system...extracting and sequencing the plasmid, or both! We strongly encourage you to sequence the entire insert region...direction (which is not easy to see in colony PCR electrophoresis), is free of undesired mutations, and that ...
  5. CRISPR 101: Any Base Transversion Editors

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    Blog Post
    ... for saturation mutagenesis, and they provide a strong proof of concept for further development. ...excision repair pathway. The team behind AYBEv3 introduced the first deaminase-free base editor when they... called gTBE and gCBE, with Addgene. gTBE can introduce T → C and T → G edits, though with limited selectivity...
  6. Hot Plasmids: Fall 2024

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    Blog Post
    ...degraders. But CRBN has been difficult to study in vitro, requiring either expressing it with additional ...codon-optimized for C. elegans and included artificial introns to improve expression. When using these constructs... an edited strain carrying Cas9 to allow the introduction of additional sgRNAs. Image reused from Neo ...
  7. Twenty Years of Sharing: Addgene's Viral Vector Service

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    Blog Post
    ...a large number of requests for vectors in the “controls” category, which includes things like viral vectors...vectors in a variety of serotypes, including the retrograde AAVrg and the systemic capsid PHP.eB.   ...Patrick, M., Guerin, K., & Fan, M. (2023). Quality control for Adeno-associated viral vector production. Neuromethods...
  8. Plasmids 101: Gateway Cloning

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    Blog Post
    ...advantages. An introduction to Gateway technology The Gateway cloning method, developed by Invitrogen, is an ...an in vitro version of the integration and excision recombination reactions that take place when lambda...
  9. Advancing Biology with Zebrafish: Genetic Tools for Developmental Studies and More

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    Blog Post
    ...provided a major toehold into understanding how genes control biology (a fact celebrated by the Nobel prize committee...transgenics Creating transgenic organisms by introducing foreign DNA into the genome is useful for a variety...into adults and explain how signaling pathways control this process. Additional zebrafish applications...
  10. Rett Syndrome: A History of Research and Therapeutic Outlooks

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    Blog Post
    ...of symptoms in animal models, Rett syndrome is a strong translational candidate for gene replacement therapy...therapy. In 2014, RSRT brought together a strong collaboration between two gene therapy labs (Brian Kaspar...neurological disease (Sinnamon et al., 2020). They introduced a mouse MECP2 guide RNA and a hyperactive version...
  11. Avoiding the Dark Side of Fluorescent Protein Fusions with mOX FPs

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    Blog Post
    ...protein instead localizes to the cytoplasm? Or more troubling, what if a significant fraction of the fusion ...these compartments using CRISPR systems should strongly consider using moxFPs over standard FPs for the...Structural Biology. His interests include the quality control of secretory proteins in the Endoplasmic Reticulum...
  12. Hot Plasmids: Summer 2024

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    Blog Post
    ...epigenetic silencer Recombinant antibodies for marking astrocytes MagIC-Cryo-EM for sample enrichment and structure...determination By Mike Lacy Conventional cryogenic electron microscopy (cryo-EM) protocols typically require...glia-specific intermediate filament expressed in astrocytes throughout the brain, making it a popular target...
  13. Hot Biosensors 2022: Year-End Roundup

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    Blog Post
    ...pGP-AAV-syn-jGCaMP8f-WPRE (AAV Retrograde) pGP-AAV-CAG-FLEX-jGCaMP8m-WPRE (AAV Retrograde) pGP-AAV-syn-FLEX-jGCaMP8m-WPRE...have Kd around 70 mM and 100 mM, respectively. Introducing mutations and using potassium-binding protein...
  14. Recombinase-based State Machines Enable Order-dependent Logic in vivo

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    Blog Post
    ...transcriptional regulation, as long as they can control recombinase activity. For example, post-transcriptional...methods section of our paper (1). How might one troubleshoot GSRMs that don't work as expected? The successful...the parts used to build them. We recommend using strong, directional terminators and promoters with buffer...
  15. PiggyBac-ing Through the Genome Editing Field

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    Blog Post
    ...the number of integration copies can be tightly controlled by titrating the transposase to transposon ratios... levels of your gene of interest, as needed. Controlling the expression levels of your gene may be particularly...splinkerette-PCR method for the isolation and sequencing of retroviral insertion sites.,” Nat. Protoc., vol. 4, no. ...
  16. RNA Interference in Plant Biology: New Tools for an Old Favorite

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    Blog Post
    ...and LIIbeta F 1-2 RNAi, which allows assembly of intron-spliced hpRNAs through Golden Gate cloning. Artificial...Identifying actively silenced plants Once you’ve introduced your RNAi into your organism, how do you identify...insertion of any target sequence, as well as essential control plasmids. Many thanks to our guest blogger Robert...
  17. An “elegans” Approach to Better CRISPR/Cas9 Editing Efficiency

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    Blog Post
    ...CRISPR/Cas9 allows us to delete sequences and introduce mutations and epitopes with unprecedented ease...in 1-2 kilobases of additional sequence being introduced. Cre-mediated excision of the selective cassette... ML, Jorgensen EM (2018) SapTrap vectors for introducing point mutations with unc-119+ selection. https...
  18. Illuminating Choices: A Guide to Selecting Fluorescent Dyes and Ligands

    Type
    Blog Post
    ...substance (fluorophore) that has absorbed light or electromagnetic radiation at another wavelength (Heinrichs,...Heinrichs, 2009). When a fluorophore absorbs light, electrons are elevated from a ground state to an excited state...After a brief elevation in this excited state, the electron returns to its ground state by emitting a photon...
  19. Plasmids 101: Modular Cloning Applications and Kits

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    Blog Post
    ...happy cloning! This article was written by Susanna Stroik and Meghan Rego, with thanks to Rob Hurt for his...Plants Mediated by a Cas9 Gene Containing Multiple Introns.” Plant Communications, vol. 2, no. 2, Elsevier...Matthew S., et al. Degron-Based bioPROTACs for Controlling Signaling in CAR T Cells. Cold Spring Harbor ...
Showing: 541 - 560 of 911 results