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Showing: 121 - 140 of 244 results
  1. Viral Vectors 101: Voltage Indicators

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    Blog Post
    ...Indicators GEVIs can be divided up structurally into 2 main groups: voltage sensitive domains and Rhodopsin...depending on your experimental system.   Figure 2: General overview of chemigenetic tools. A genetically...the kinetic response time from signal input to readable output, which generally exceeds that of the VSD...of the previously described systems. Several adaptations of this method have been to tag, cage, uncage...
  2. 5 Great Apps for Lab Life

    Type
    Blog Post
    ...misplacing your results or losing that lab notebook from 2 years ago. The free subscription to Lab Archives allots...notebooks you’re saving trees! The Earth thanks you. 2. Gibco Cell Culture by Gibco Whenever I start to learn...student, I have relied more and more heavily on adapting my smartphone to help me with my research in terms...
  3. Visualizing Genomic Loci with CRISPR-Sirius

    Type
    Blog Post
    ...that the signal to noise ratio can be increased from 2-fold (by CRISPRainbow) to 3-fold with CRISPR-Sirius...CNV) analysis of the U2OS cells.   Figure 2: CRISPR-Sirius tricolor labeling. (A) Diagram of sgRNA-Sirius...without changing them. Thus, it has been widely adapted for a wide variety of applications: base editing...
  4. Viral Vectors 101: Inverted Terminal Repeats

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    Blog Post
    ...ITR, which can either be “flip” or “flop” (Figure 2). Additionally, the ITR contains a 4-nucleotide Rep...site for Rep proteins (Savvy et al. 2013). Figure 2: AAV2 wild type ITR in flip and flop orientation. ...that can make vector propagation and sequencing a headache. How do I maintain ITR integrity and prevent unwanted...
  5. New Optogenetic Tools for Cytoskeleton and Membrane Control

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    Blog Post
    ...to a specific area at the plasma membrane (Figure 2). Just express the plasma membrane-localized iLID ...cells will be ready for the spotlight.    Figure 2: Opto-RhoGEFs to control Rho GTPase activity. A) Schematic...Schematic of Opto-katanin’s use in cells. Images adapted from Meiring et al., 2022, under CC-BY 4.0 license...blue light illumination. Scale bar 25 µm. Images adapted from Mahlandt et al., 2023, under CC-BY 4.0 license...vesicle trafficking via CRY2-CIB1 clustering. Image adapted from Aljiboury et al., 2023, under CC-BY 4.0 license...colocalizing with SuperPLDx30. Scale bar 10 µm. Images adapted from Tei et al. 2022, bioRxiv, under a CC-BY-NC-ND...doi.org/10.1371/journal.pgen.1010765.  Berlew, E. E., Yamada, K., Kuznetsov, I. A., Rand, E. A., Ochs, C. C....
  6. Targeted Mutagenesis with EvolvR

    Type
    Blog Post
    ...while increasing the standard mutation rate by only ~2-fold over nCas9 levels. Two sets of modifications ...10-3 mutations per nucleotide per generation, and (2) the addition of the thioredoxin-binding domain (TBD...Nature 560.7717 (2018): 248. PubMed PMID: 30069054. Sadanand, Saheli. "EvolvR-ing to targeted mutagenesis."...
  7. Will You Be My Mentor? Finding and Asking for Mentoring Support

    Type
    Blog Post
    ...article in the Addgene Blog Mentoring series will cover 2 of the 7 mentoring questions I set out to answer. ...101-Building Relationships for Success”. Choose 1-2 tactics to try. One of my favorites is making the ...ardor and attended to with diligence.” - Abigail Adams, 1780 There are potential mentors all around you...
  8. CRISPR 101: Cytosine and Adenine Base Editors

    Type
    Blog Post
    ... a template, copying the base edit. Figure 2: Cytidine deamination takes place on the free strand...SpCas9 base editors with editing windows as small as 1-2 nucleotides. To reduce off-target effects associated...formation. To further decrease indel formation 1.5-2 fold, the team fused bacteriophage protein Gam to ...systems to generate ABE8e(TadA-8e V106W), which edits ~590-fold faster than the TadA from ABE7.10 without ...Engineered TadA domain for cytosine base editing Lam et al., 2023 CBE-T, CABE-T   Engineered TadA domain...evolution to create one from the RNA adenine deaminase TadA.   After seven rounds of molecular evolution, they...approach, engineering and directed evolution of the TadA domain has yielded base editors that are equally...
  9. Magnetic Control of Proteins: More than a Dream

    Type
    Blog Post
    ...of ~75% in response to the magnetic field (Figure 2); they named this variant MagLOV. Andrew was thrilled...didn’t need any added cofactors.      Figure 2: Fluorescence intensity and ΔF/F of MagLOV, a variant...MagLOV’s parent protein AsLOV2 has already been adapted into a variety of optogenetic tools, they’re optimistic...optimistic that MagLOV can be similarly adaptable into future magnetogenetic tools.  Embracing science...
  10. Prime Editing: Adding Precision and Flexibility to CRISPR Editing

    Type
    Blog Post
    ...double strand break), increasing editing efficiencies 2-3-fold. However, the process of double nicking increases... editing as efficient as possible. Figure 2: Decision tree for selecting a PE6 variant. PE = prime...using paired prime editing. Nature Biotechnology, 40(2), 218–226. https://doi.org/10.1038/s41587-021-01025...Traditional sgRNAs are protected from cellular degradation by Cas9 binding, but pegRNAs have an extended... RNA stability This recent contribution by the Adamson lab also addresses the problem of RNA stability...A., Sahin, M., Osborn, M. J., Weissman, J. S., Adamson, B., & Liu, D. R. (2021). Enhanced prime editing...., Bauer, D. E., Marson, A., Parsons, L. R., & Adamson, B. (2024). Improving prime editing with an endogenous...
  11. INTEGRATE: Bacterial Genome Engineering Using CRISPR-Transposons

    Type
    Blog Post
    ...et al., 2020). Genomic targets require an upstream 2-bp PAM sequence for recognition by QCascade; although...cells of the plasmid after integration. Figure 2: (A) Streamlined VchINT expression constructs. (B)...spreading within and between genomes, and have been adapted for a wide variety of applications - as mutagenesis...at two different incubation temperatures. Data adapted from Vo et al., 2020. In E. coli, the new streamlined...
  12. Plasmids 101: Choosing an Antibiotic Resistance Gene

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    Blog Post
    ...antibiotic selection. Essentially, this gene is a 2-in-1 providing both bacterial and eukaryotic selection...Zeocin-induced DNA cleavage in human cells. Mutagenesis, 20(2), 111–114. https://doi.org/10.1093/mutage/gei016I ...resistance to both carb and amp, due to their common degradation mechanism. How to choose between the two? Carb...high pH environments and is less susceptible to degradation in agar plates. This prevents satellite colonies...
  13. Supporting Reproducibility with a Connected ELN

    Type
    Blog Post
    ...connectivity to other data sources used in research; (2) connectivity to other tools used in research; and...by making it easy to get data out of the ELN; and (2) facilitate inter-operability with other research ...support entry of required metadata, with the option of adding additional metadata in the repository after...
  14. FlipGFP, a novel fluorescence protease reporter to study apoptosis

    Type
    Blog Post
    ...parts: (1) β-strands 1-9 (β1-9) and the one ɑ-helix, (2) β-strand 10 (β10), and (3) β-strand 11 (β11). Each...activating caspase-3, and detected fluorescence within 2 to 5 hours, a time consistent with previous methods...last in the cascade and are responsible for the degradation of over 600 cellular components ultimately leading...
  15. R Bodies: Membrane-Rupturing Microscopic Tools

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    Blog Post
    ...be decorated with proteins and remain functional, 2) break membranes outside of their natural context ...PubMed PMID: 3759909. PubMed Central PMCID: PMC213417. 2. Schrallhammer, M. et al. Tracing the role of R-bodies...were known to be resistant to detergents and degradation under a variety of conditions. They are composed...
  16. Top Requested Lentivirus and AAV of 2016

    Type
    Blog Post
    ...PubMed Central PMCID: PMC3785459. 2. Krashes MJ, Koda S, Ye C, Rogan SC, Adams AC, Cusher DS, Maratos-Flier... tropism and axonal transport of AAV serotypes 1, 2, 5, 6, 8 and 9 in the mouse brain. PLoS One. 2013 ...
  17. Summer SciComm: Preprints

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    Blog Post
    ... to share information about the emerging SARS-CoV-2 virus quickly and openly. By sharing results faster...Open Scientific Communication Ecosystem Fig. 2: The scientific ecosystem, enriched by open access...asapbio.org/preprints-and-covid-19 Ettinger CL, Sadanandappa MK, Görgülü K, Coghlan KL, Hallenbeck KK, Puebla...
  18. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    ...wheat germ, HeLa, and Leishmania (Gagoski, et al 2015[2]). The proteins encoded in this set range in size ...to generate Illumina sequencing libraries using a 2-step PCR-based protocol and are compatible with single-end...populations. This kit consists of a 48 plasmid adapter library, with each plasmid carrying a unique barcoded...selective pressures: Miller, Corwin, et al. "Adaptation of Enterococcus faecalis to daptomycin reveals...lead to surprisingly large fitness effects during adaptive evolution of antibiotic resistance." Proceedings...
  19. Treating Muscular Dystrophy with CRISPR Gene Editing

    Type
    Blog Post
    ...nonsense-mediated decay. Although Nelson et al. observed only 2% genome editing in one experiment, they found the ... cells throughout the body, especially stem cells 2. Remove any immunogenicity of the AAV vector Once ...Science. 2015 Dec 31. doi:10.1126/science.aae0169 2. Long C, Amoasii L, Mireault AA, McAnally JR, Li H...low-frequency indels will not cause frameshifts. Figure adapted from Osterout et al. (2015b) under a CC-BY 4.0 ...
Showing: 121 - 140 of 244 results