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Showing: 561 - 580 of 950 results
  1. CRISPR Antimicrobials

    Type
    Blog Post
    ...virulent or antibiotic resistant bacteria, and inappropriate antibiotic usage selects for resistant bacteria...to combat antibiotic resistance using multiple approaches. Major restaurant chains including Chipotle and...bacterial host range. To further potential clinical applications, Ando et al. recently engineered synthetic phages...
  2. Tips for Screening with Yeast Two Hybrid Systems

    Type
    Blog Post
    ...or growth stage). A prey library can either be applied to the bait in a single population (e.g. transforming...although these can often be accounted for using appropriate replicates and controls (see Tips below), and.... Obrdlik, P., El-Bakkoury, M., Hamacher, T., Cappellaro, C., Vilarino, C., Fleischer, C., Ellerbrok, ...
  3. Cpf1: A New Tool for CRISPR Genome Editing

    Type
    Blog Post
    ..., Zetsche et al. developed a Cpf1 multiplexing approach using a single crRNA array to express up to 4 ...-target editing in a cell culture model. The application of Cpf1 to genome editing is exciting both in...in terms of basic science and translational applications. This discovery of this type V CRISPR system ...
  4. The Importance of a Fun Workplace: Company Culture at Addgene

    Type
    Blog Post
    ... result seems to be a balance of productive and happy employees. The teambuilding culture helps us build...throughout the years. This team building merriment happened naturally when Addgene was a family affair back... sure people know that there is something fun happening! Addgene actually has chimes outside of our break...
  5. Hot Plasmids Spring 2024

    Type
    Blog Post
    ...Paul Blainey’s lab has developed a multiplexing approach to Cas9-based pooled CRISPR screens called CROPseq-multi...for microglia research and broader therapeutic applications.  Find microglia-targeting AAV plasmids here...reconstituting coding sequences for a range of applications, including CRISPR activation by dCas9-VPR, prime...
  6. New Acoustic Reporter Genes: Ultrasound Imaging of Gene Expression

    Type
    Blog Post
    ... the bacteria were injected, limiting their applicability. They also did not scatter ultrasound nonlinearly...chromatic-opening agents to boost expression to appreciable levels. We wanted to create second-generation...ultrasound imaging of nanoscale acoustic biomolecules. Appl. Phys. Lett. 110, 073704 (2017). Hurt, R. C. et ...
  7. Deciphering the Mysteries of Behavior with Viral Vectors

    Type
    Blog Post
    ...movement in an open field box or a circular corridor apparatus using a camera or tracking software. Locomotion...and might open new ways for a novel therapeutic approach against drug addiction. Anxiety tests Rodents...measuring the time spent in a particular part of the apparatus, it turned out that the IL-1 beta overexpressing...
  8. Changing Labor Laws Bring Increased Postdoc Wages

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    Blog Post
    ...institutions, or institutions they're thinking about applying to, are doing - for example, your benefits may...get rid of postdocs; that current postdoctoral appointments may shorten in length; that postdoc salaries...trainee workforce has clearly not been a sustainable approach to biomedical research in the U.S. and postdoctoral...
  9. Rett Syndrome: A History of Research and Therapeutic Outlooks

    Type
    Blog Post
    ...highlights some of the latest breakthrough therapeutic approaches. What is Rett Syndrome? Caused by a mutation ...technical challenges to overcome for both of these approaches, such as delivery of the editing machinery to...Extends the Survival of MeCP2-Null Mice without Apparent Toxicity after Intracisternal Delivery. Molecular...
  10. AAV Titers: Where Do They Come From And What Do They Mean?

    Type
    Blog Post
    ...used to generate AAV.  One study showed that approximately 50% of viral capsids were genome-containing ...particles can be identified after negative staining and appear darker than full vector particles. This image shows...experiments? Because (physical) AAV titers are approximations and they depend highly on the experimental ...
  11. Advanced Uses of Cre-lox and Flp-FRT - A Neuroscientist’s View

    Type
    Blog Post
    ... its reintroduction, inversion and re-inversion happen at the same probability. Continuous inversion of...the same time from two different plasmids this approach becomes problematic as it reduces the probability... Cell Types for Imaging and Long-Range Circuit Mapping.” Journal of Neuroscience 28(28): 7025–30. PubMed...
  12. The Challenges of Cell Culture

    Type
    Blog Post
    ...especially with industry. Today we also have the appropriate tools to verify our cells lines. Even if you ...the results are reliable. With this two-pronged approach, the many mistakes of the past can be prevented...including GSK, AstraZeneca-MedImmune, and Infors & Applikon. Due to his high level of experience he now travels...
  13. New Optogenetic Tools for Cytoskeleton and Membrane Control

    Type
    Blog Post
    ... barrier of the endothelium, but they could be applied to study other actin-dependent processes in cells...) and to introduce unnatural head groups for applications like fluorescent labeling via click chemistry...constructs are great for in vitro biocatalytic applications where toxicity doesn’t matter. Plus, for folks...
  14. Harnessing Bacterial Toxins for Allelic Exchange

    Type
    Blog Post
    ...References Espah Borujeni, Amin, Anirudh S. Channarasappa, and Howard M. Salis. "Translation rate is controlled...Scarless Modification of Proteobacterial Genomes." Applied and environmental microbiology (2019): AEM-00990...chromosomal gene replacement in Escherichia coli." Appl. Environ. Microbiol. 81.15 (2015): 5103-5114. PubMed...
  15. Fluorescent Proteins 101: GFP Fusion Proteins - Making the Right Connection

    Type
    Blog Post
    ...study its function is one of the most popular applications of fluorescent proteins. These fusion proteins...targeted to the endoplasmid reticulum based on the appearance of OSER whorls. This assay is quantitative and...linker sequence short In the early days of GFP applications, many were concerned with steric hindrance by...
  16. The Fluorescent Vegetables in Aptamer Soup

    Type
    Blog Post
    ...enjoy a warm meal on a winter day, you should be happy to learn that many DNA-based reagents are named ...aptamer soup by exploring the development and applications of fluorescent RNA aptamers in Addgene’s collection...fluorescence when bound to DFHBI despite being approximately half the length (Warner et al., 2014); its length...
  17. CRISPR 101: Validating Your Genome Edit

    Type
    Blog Post
    ... explain how to verify that your cells were appropriately edited for your desired mutation - insertion...frequency is 50%, then you could infer that approximately 25% of cells are likely -/-, 50% are -/+, and...sequencing confirmation. All knock-ins A method applicable to knock-ins both large and small is a software...
  18. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    ...polycistronic E. coli expression constructs. Some applications of plasmids from this kit include the production...can be engineered to bind specific RNA bases. By swapping out these different modular repeat segments, you...variety of functions via different fusions. Some applications of PUF protein fusions reported in the literature...
  19. Molecular Biology Protocol - Restriction Digest of Plasmid DNA

    Type
    Protocol
    ...of interest (see below for recommend amounts) Appropriate restriction enzyme (see manufacturer's instructions...instructions for proper ammount) Approrpriate restriction digest buffer (see manufacturer's instructions) ...as Addgene's Sequence Analyzer . Determine an appropriate reaction buffer by reading the instructions for...The amount of DNA that you cut depends on your application. A diagnostic digest typically involves ∼500 ...volume usually varies from 10-50 µL depending on application and is largely determined by the volume of DNA...better. Mix gently by pipetting. Incubate tube at appropriate temperature (usually 37 °C) for 1 hour. Always...manufacturer’s instructions. Pro-Tip Depending on the application and the amount of DNA in the reaction, incubation...
  20. Immunocytochemistry

    Type
    Protocol
    ...PBS, remove the wash, and dispose of it in an appropriate waste container. Fix each well with 500 µL of...as methanol or acetone may be better for some applications. Remove the paraformaldehyde and follow your...safety guidelines for disposing of waste in the appropriate container. Wash 3x for 5 min in 500 µL PBS on...permeabilization buffer and dispose of it in an appropriate waste container. Wash 3x for 5 min in 500 µL ... the blocking buffer and dispose of it in an appropriate waste container. Dilute the primary antibody ...the primary antibody and dispose of it in an appropriate waste container. Wash 3x for 5 min in 500 µL ...min at RT in the dark. Pro-Tip The plate can be wrapped in foil to block light. Remove the secondary antibody...
Showing: 561 - 580 of 950 results