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We narrowed to 799 results for: por

Showing: 441 - 460 of 799 results
  1. Cpf1 Update: Comparison to Cas9 and NgAgo

    Type
    Blog Post
    Published
    July 14, 2016, 2:30 p.m.
    ...in mammalian cells, LbCpf1 and AsCpf1. In both reports, on target editing efficiency for the Cpf1 orthologs...mismatches, but variably so, with Kleinstiver et al. reporting that Cpf1 can tolerate mismatches at gRNA positions...efficiency across CRISPR nucleases and NgAgo is an important next step for the field. Based on what we know...
  2. Reaching out to China: Canton Nucleic Acids Forum (CNAF) 2015

    Type
    Blog Post
    Published
    Dec. 1, 2015, 3:30 p.m.
    ...still working at the bench. It was a fantastic opportunity to talk to so many scientists who were potential...field. Nobel Laureates and the ever expanding importance of RNA The second keynote lecture was presented... labs are using CRISPR/cas9 and more are being reported. Zhou Songyang from Baylor College of Medicine...
  3. Hot Plasmids: Winter 2025

    Type
    Blog Post
    Published
    March 11, 2025, 1:15 p.m.
    ...all the components of the biosensor in optimal proportions from a vector backbone that allows lentiviral...Waldron We recently added two antibodies against important targets for neurodegeneration research: Anti-MAPT...6E10-A5] in Immunohistochemistry (Human). Addgene Report, doi: https://doi.org/10.57733/addgene.6ncijt.  ...
  4. The AAVantages of AAV in CRISPR Screens

    Type
    Blog Post
    Published
    Feb. 4, 2025, 2:15 p.m.
    ...CRISPR screens rely on lentiviral systems, a fact supported by the wide array of lentiviral-based CRISPR libraries...locations that could cause deleterious effects. It is important to note, however, that while AAV rarely integrates..., CRISPR may increase this rate. Specifically, portions of the AAV genome can integrate at double-stranded...
  5. Magnetic Control of Proteins: More than a Dream

    Type
    Blog Post
    Published
    Sept. 24, 2024, 1:15 p.m.
    .... Andrew and Maria were encouraged by previous reports that described magnetic responses of cryptochrome...reproduced their EGFP findings since the initial report in 2023.)     Figure 1: Fluorescence intensity...frequent collaborator and is happy to give advice and support for follow-up studies. “We don’t have a vision ...
  6. Quick Guide to Working with Drosophila Part 1: Getting Started with Flies

    Type
    Blog Post
    Published
    July 13, 2017, 2:30 p.m.
    ...combs. To make genetic crosses properly, it is important to isolate females from males while they are still... after hatching into their adult phase. It is important to clear out the parent crosses from the container...feature when setting up genetic crosses. More importantly, this knowledge will stop you from embarking ...
  7. Mobile-CRISPRi: Bringing CRISPRi to Diverse Bacteria

    Type
    Blog Post
    Published
    April 4, 2019, 12:53 p.m.
    ...experiments where maintaining library diversity is important, while lower transfer rates are only suited for...measured by knockdown of a constitutely expressed RFP reporter, was variable across bacterial strains, ranging...Klebsiella pneumoniae, and P. aeruginosa (all opportunistic pathogens) were grown in presence of trimethoprim...
  8. Genome-wide Screening Using CRISPR

    Type
    Blog Post
    Published
    Aug. 18, 2015, 2:30 p.m.
    ...post was updated on Aug 20, 2020. What genes are important in your phenotype of interest? Many scientists...not entirely known. Identifying which genes are important for a phenotype can lead to a wealth of additional...strong evidence that a particular gene is actually important for a given phenotype. Each hit from the screen...
  9. Drew Endy Introduces the Biobrick Public Agreement Plasmid Collection

    Type
    Blog Post
    Published
    Dec. 12, 2013, 3:35 p.m.
    ... These parts have been carefully engineered to support reliable functional composition. In other words...YouTube primer on BIL gates.) Addgene: Why is it so important to you that these parts be made freely available...language is put into practice? Endy: I think it's important to understand that these platforms, or pieces ...
  10. Antibodies 101: Producing Recombinant Antibodies

    Type
    Blog Post
    Published
    Aug. 13, 2024, 1:15 p.m.
    ...for further processing. It may be helpful to incorporate regular feeds during this incubation time to ...immunohistochemistry, and immunocytochemistry. It’s important to note that some antibodies are better suited...Rockberg J, Chotteau V. Small-scale bioreactor supports high density HEK293 cell perfusion culture for...
  11. Droplet Digital PCR for AAV Quantitation

    Type
    Blog Post
    Published
    Jan. 16, 2020, 2:18 p.m.
    ...by ddPCR begins with diluting the virus. It is important to note that the dynamic range of the ddPCR is...PCR plate. Maintaining a high droplet count is important for calculating the concentration of your sample...separation (Witte et al., 2016). This is particularly important if your amplicon is longer than 150 base pairs...
  12. The Effect of COVID-19 on Liu Lab Plasmid Requests From Addgene Data

    Type
    Blog Post
    Published
    July 16, 2020, 1:15 p.m.
    ...dramatically when there are many new COVID-19 cases being reported (right, red), likely due to quarantining {%...chose to re-examine our global data at a finer temporal granularity. For each paper, we observed that ...parameters from relatively sparse data from China. An important additional caveat is that our dataset contains...
  13. Lentiviral Vector Uses and Overview

    Type
    Blog Post
    Published
    May 19, 2016, 2:30 p.m.
    ...transduced rat neurons in vivo with beta-gal and other reporters, and they showed that expression persisted for...Figure 2). The HIV genes that do remain are very important for viral production: Gag (structural precursor...activation from the 5’ LTR) and Rev (facilitates nuclear export of transcripts). A different viral envelope protein...
  14. CRISPR Antimicrobials

    Type
    Blog Post
    Published
    May 3, 2016, 2:30 p.m.
    ...species, or even an antibiotic resistance gene. Importantly, native, non-pathogenic bacteria remain to help...recolonize the niche, reducing the chance of an opportunistic infection like for organisms like C. difficile...colonization model, phagemid treatment decreased the proportion of virulent S. aureus from 50% to 11% in just...
  15. Cpf1: A New Tool for CRISPR Genome Editing

    Type
    Blog Post
    Published
    Oct. 14, 2015, 2:30 p.m.
    ...After sequencing and searching for cellular RNAs important for Cpf1 function, they found that mature crRNAs...in mammalian cells, LbCpf1 and AsCpf1. In both reports, on target editing efficiency for the Cpf1 orthologs...mismatches, but variably so, with Kleinstiver et al. reporting that Cpf1 can tolerate mismatches at gRNA positions...
  16. "Hall of Fame" AAV Enhancers from the Allen Institute for Brain Science

    Type
    Blog Post
    Published
    Sept. 9, 2025, 1:15 p.m.
    ...evaluate the resulting expression of the fluorescent reporter, the brain tissue was extracted, sectioned, and...more neuroscience-focused tools in their Brain Map portal, and cell science-focused tools at the Allen Institute...expression from mouse to primate neocortex. Cell Reports, 34(13), 108754. https://doi.org/10.1016/j.celrep...
  17. Twenty Years of Sharing: Addgene's Viral Vector Service

    Type
    Blog Post
    Published
    July 30, 2024, 1:15 p.m.
    ...from 2016–2023 by type of tool. Equally as important to what is being delivered is where it’s being...vectors not only available, but accessible. The supporting data and community engagement required to do ...lessons learned from this process have shaped and supported our growth and development. We’ve shared what ...
  18. Advancing Biology with Zebrafish: Genetic Tools for Developmental Studies and More

    Type
    Blog Post
    Published
    Aug. 13, 2019, 12:58 p.m.
    ...recent lineage tracing approaches that led to important insights in developmental biology. Microscopy-...pathway regulated by one-eyed pinhead, incorrect proportions of otherwise normal cell types are produced, ...PMCID: PMC6247916. Felker, A., and C. Mosimann. "Contemporary zebrafish transgenesis with Tol2 and application...
Showing: 441 - 460 of 799 results