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We narrowed to 862 results for: CAL

Showing: 561 - 580 of 862 results
  1. How to Design Your gRNA for CRISPR Genome Editing

    Type
    Blog Post
    Published
    Sept. 24, 2020, 1:15 p.m.
    ...desired location of edit; efficiency decreases dramatically when the cut site is >30nt from the proximal... constraints are even more exquisite for the so-called base editor Cas9, which makes DNA changes in the...nuclease-mediated off-target effects.” Further, large-scale datasets of hundreds of genetic screens using genome-wide... sequences targeting a gene to score in order to call that gene a hit.  This is an exciting time for functional...
  2. A Needle in a Base-Stack: Cas9 Structural Biology

    Type
    Blog Post
    Published
    June 4, 2024, 1:15 p.m.
    ... BioRender.com.   Cas9 has two major lobes, called NUC (for nuclease) and REC (for recognition). The...recognizing the PAM on DNA, the CTD is also sometimes called the PAM-interacting (PI) domain. The guide RNA ...conformational state of the HNH domain also allosterically controls RuvC activity through a hinge region...Visualization, and Informatics at the University of California, San Francisco, with support from National Institutes...
  3. 5 Science Rap Videos & Their Creator: Tom McFadden

    Type
    Blog Post
    Published
    Feb. 9, 2017, 3:30 p.m.
    ...African American woman whose cervical cancer cells became a mainstain of biological study without her or her...fossil rocks and their importance in understanding biological history. 4. Please Don't Kill My Hive Beautifully...
  4. Performing In Vivo CRISPR Screens Using the FITS Approach

    Type
    Blog Post
    Published
    May 2, 2024, 1:15 p.m.
    ...important immune cell type, in more complex and physiological microenvironments. These screens have primarily...molecular identifiers, which can improve the statistical power of in vivo screens. Figure 1: Using...Fellow in Arlene Sharpe’s laboratory at Harvard Medical School and is interested in improving CD8+ T cell...
  5. Antibody Validation for Flow Cytometry

    Type
    Blog Post
    Published
    Sept. 10, 2024, 1:15 p.m.
    ...multiple timepoints. When the target of interest is critical to cell survival or proliferation, an additional...a flow cytometry experiment. But validation is critical to ensuring accurate interpretation of your results...to start with a screening procedure in easily genetically modified cell types (top). The specific approach..., A. M., McPherson, P., & Laflamme, C. (2023). Scaling of an antibody validation procedure enables quantification...
  6. Bringing Sustainable Practices to the Lab: Easy Action Items

    Type
    Blog Post
    Published
    April 22, 2019, 12:26 p.m.
    ...alternatives for some of the harmful chemicals in your lab. These chemicals are not only better for the environment... resources about this, and even has a list of biological samples that are stored long term at -70 °C. ...
  7. What's New in CRISPR - Winter 2018

    Type
    Blog Post
    Published
    Dec. 18, 2018, 1:17 p.m.
    ...plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid tools more ... Feng Zhang’s lab recently developed a platform called SHERLOCK (specific high-sensitivity enzymatic reporter...will help researchers map transcription factor localization and binding via ChiP-seq. Learn more about...
  8. Make a Splash: Notions of Scientific Impact Are Evolving

    Type
    Blog Post
    Published
    Dec. 5, 2014, 2:54 p.m.
    ...papers detailing Nobel Prize-winning research typically weren’t among the most cited. And, as scientific...online, surely times have changed. Altmetrics.org calls to expand our view of what impact looks like and... aren’t enough. Scientists are sharing what they call “raw science” – data sets, code, and, I think it...
  9. A Scientist's Guide to Ebola

    Type
    Blog Post
    Published
    Oct. 16, 2014, 3:01 p.m.
    ...protein present on the virion surface – making it critical for viral attachment and fusion. Once inside a...glycoprotein’s role in infection also makes it a critical component of vaccines and the target of neutralizing...established Ebola Genome Portal at the University of California, Santa Cruz, offers sequence data on five strains...
  10. Quick, Versatile Plant Transgenesis with GreenGate Plasmids

    Type
    Blog Post
    Published
    Jan. 23, 2014, 3:23 p.m.
    ...few years ago, researchers introduced what’s been called a major breakthrough in cloning technology with...cassettes onto a single T-DNA in subsequent rounds, dramatically reducing the time required to generate multi-construct...multi-construct transgenic plants. In the most practical terms, what GreenGate can do is “save you half a...
  11. Top Requested AAV of 2017: pmSyn1-EBFP-CRE

    Type
    Blog Post
    Published
    Jan. 17, 2018, 2:57 p.m.
    ...promoter. It can be used to drive Cre expression specifically in neurons. AAV Delivered Cre - A useful tool...Indeed, this AAV provides you with a means to specifically activate expression of any Cre-dependent gene...Additionally, you could use the retrograde form to specifically express Cre in neurons with axons that extend...
  12. Editor's Choice, August 2016

    Type
    Blog Post
    Published
    Sept. 2, 2016, 1:32 p.m.
    ...sequence in live cells. This technique uses catalytically inactive CRISPR endonuclease (dCas9) fused to...scientists. You can find all of our August posts in chronological order here: Site Directed Mutagenesis by PCR...Single Base Editing with CRISPR Cas9 Activators: A Practical Guide 10 Steps to a Perfect Science Talk Developing...
  13. Scientist Networking: What is an Informational Interview?

    Type
    Blog Post
    Published
    July 1, 2014, 3:42 p.m.
    ...meet interesting people doing interesting things. I call this building relationships because networking has...or a particular position at their company, do NOT call this an Informational Interview. If you do this,... if it is not possible consider a phone or video call. If you do decide to use Skype, make sure to follow...
  14. Top 10 Open Science Developments of 2013

    Type
    Blog Post
    Published
    Dec. 19, 2013, 3:46 p.m.
    ...Science and Technology Policy issued a memorandum calling on Federal agencies with over $100 million in annual...promote open science, ensure good stewardship of clinical trial data, serve society and patients, and respect...patents in a case against Myriad, an organization called Free the Data launched a public database to gather...
  15. Seeing Red: Simple GFP Photoconversion

    Type
    Blog Post
    Published
    Aug. 4, 2015, 2:30 p.m.
    ...used a GFP derivative to conduct subcellular localization studies or make a reporter construct. Fluorescent... mammalian cells, and it may find wide use in biological research. Photoconvertible fluorescent proteins... new transgenic line could avoid problems in localization that have been encountered by some investigators...
  16. Easing the Protein Purification Process with pCri

    Type
    Blog Post
    Published
    June 19, 2015, 3:08 p.m.
    ...research, notably determining the subcellular localization and the number of disulfide bonds in your protein...protein expression in systems other than E. coli, specifically the bacterium Bacillus subtilis and the yeast...may improve expression of proteins that natively localize there. pCri is both versatile and easy to use,...
  17. Working 9-5: an Addgene Co-op

    Type
    Blog Post
    Published
    June 2, 2022, 2:15 p.m.
    ...hour long interview. I anxiously prepared for the call. The length of this interview was intimidating to...team and shows how they fit into the system. Specifically as a co-op, it is encouraged to explore different... a 9-5 As it turned out, Addgene uses something called “core hours”. Core hours consist of the time between...
  18. Addgene is Expanding Our Viral Vector Service!

    Type
    Blog Post
    Published
    Oct. 15, 2024, 1:15 p.m.
    ...service. A small subset of AAV plasmids will have technical or legal restrictions that make them ineligible...be reviewed by Addgene for legal approvals and technical compatibility with our production process. This...found in our in-stock preps. If a request has technical considerations that may affect expected titers...
  19. What's New in CRISPR - March 2020

    Type
    Blog Post
    Published
    March 10, 2020, 1:15 p.m.
    ...plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid tools more ...and an optogenetic tool that controls nuclear localization (LINuS). Blue light renders the NLS accessible...expression of specific Caulobacter genes using a catalytically dead Cas9 (dCas9) derived from Streptococcus...
Showing: 561 - 580 of 862 results