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We narrowed to 808 results for: Eng

Showing: 551 - 600 of 808 results
  1. Fluorescent Tagging of Endogenous Genes with SapTrap

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    Blog Post
    ...and protein turnover rates. Additionally, by engineering FP fusions associated with cellular organelles...the tag for each insertion. Also, it remains challenging to screen for the genetically modified strains...
  2. CRISPR 101: RNA Editing with Cas13

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    Blog Post
    ...major players in the CRISPR field. Just a year after Feng Zhang’s lab identified Cas13a (C2c2) (Abudayyeh ...) displayed robust editing with various spacer lengths from 30-84 nucleotides, and designated this system...
  3. Negative Can Be Positive: Open AAV Data with Addgene

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    Blog Post
    ... peripheral nervous system presents a special challenge to scientists. What works well in one cell or ...vectors in neuroscience Let’s consider my first challenge when I started working with AAV vectors. I wanted...
  4. Antibodies 101: Producing Recombinant Antibodies

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    Blog Post
    ...from very high cell density suspension. Biotechnol Bioeng. 2021 Sep;118(9):3499-3510. doi: 10.1002/bit.27776...Schöneich C, Freund E, Ricci MS, Carpenter JF, Lengsfeld CS. Do not drop: mechanical shock in vials causes...
  5. An Introduction to Adenovirus

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    Blog Post
    ...viruses, with a linear genome between 26–45 kb in length. Human adenovirus type 5 (hAdV-C5) can be considered... like other viral vectors, though significant challenges remain (Wold & Toth, 2013).  While the pre-existing...
  6. Viral Vectors 101: The Retroviral Lifecycle

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    Blog Post
    ...transcriptase (RT) is present in the capsid, as the engineered, recombinant genome is (thankfully) gutted of...2008). Pseudodiploid Genome Organization Aids Full-Length Human Immunodeficiency Virus Type 1 DNA Synthesis...
  7. Tips for arabidopsis transformation

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    Blog Post
    ...). Additional resources on the Addgene blog Engineering the plant genome using CRISPR/Cas9 Using pSiM24...pSiM24 for simplifying plant genetic engineering Using arabidopsis in the classroom Resources on Addgene.org...
  8. A Guide to Starting Your Own Journal Club

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    Blog Post
    ...success” of the journal club. This can be a challengingly vague metric but there are a few things you ...scientists of all types to stay up to date and engaged with new advances in published science. They also...
  9. Cpf1: A New Tool for CRISPR Genome Editing

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    ...Cpf1-mediated cleavage are 42-44 nucleotides in length, about the same size as Cas9’s, but with the direct...Figure from Kleinstiver et al., 2016. Cpf1’s strength may lie in its low off-target editing rates, determined...
  10. Finding nucleic acids with SHERLOCK and DETECTR

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    Blog Post
    ...distinguish between Zika and a closely-related virus, Dengue from multiple sample sources. SHERLOCK could also...://doi.org/10.1126/science.aaf5573 Broughton JP, Deng X, Yu G, Fasching CL, Servellita V, Singh J, Miao...
  11. Save Time with Transient Plant Leaf Transformations

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    Blog Post
    .... During a transient leaf transformation, the engineered Agrobacterium strain is brought into contact ..., 2006. 225-229. PubMed PMID: 16739580. Li, Jian-Feng, et al. "The FAST technique: a simplified Agrobacterium-based...
  12. Bioinformatics at Addgene

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    Blog Post
    ...on-site, but now we were presented with a new challenge: automating the bioinformatics steps needed to... reviewing and testing several platforms for engineering pipelines, we selected Nextflow, a workflow management...
  13. Antibodies 101: Reading a Flow Plot

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    Blog Post
    ...from flow cytometry experiments can be a little challenging to understand if you’ve never done any flow. ... showing frequency of events on the Y axis and strength of signal read on the X axis may be presented....
  14. Career Insights: Technical Support Specialist

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    Blog Post
    ... less time consuming and/or less technically challenging. Alongside there is a second-line team that takes...are just so many things which can go wrong in a lengthy protocol. And customers may tell all sorts of details...
  15. Bacterial Toxin-antitoxin Systems as Molecular Biology Tools

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    Blog Post
    ...Central PMCID: PMC384129. Aizenman, Einat, Hanna Engelberg-Kulka, and Gad Glaser. "An Escherichia coli chromosomal...PMID: 12718874. Yang, Junjie, Weihong Jiang, and Sheng Yang. "mazF as a counter-selectable marker for unmarked...
  16. Lab to Office Culture Shock

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    Blog Post
    ...counter-intuitive, but I find office work more mentally challenging than lab work at times.” Sometimes a desk job...to non-scientists can be a fun and gratifying challenge. You’re also getting the opportunity to learn ...
  17. Supporting Reproducibility with a Connected ELN

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    Blog Post
    ...response to requirements that emerged from intensive engagement with a wide range of people at the University... The two guiding principles emerging from the engagement with the Wisconsin research community were to...
  18. 5 Reasons to Use Reddit for Science Communication

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    Blog Post
    ...to the right - the Reddit community is active, engaged, and has great questions! 2. The r/Science subreddit...Getting on a good science career path can be challenging these days, but for many of us, scientist is ...
  19. Tips for CRISPR Gene Editing in Mice

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    Blog Post
    ...multiple genes by CRISPR/Cas-mediated genome engineering." Cell 153.4 (2013): 910-918. PubMed PMID: 23643243...Addgene Blog Get the Basics of Mouse Genome Engineering with CRISPR Validate Your Genome Edit Learn about...
  20. Plasmids 101: E. coli Strains for Protein Expression

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    Blog Post
    ...suited for recombinant protein expression. Many challenges can arise when over-expressing a foreign protein...recombinant proteins are typically expressed in E. coli engineered to accomodate high protein loads using inducible...
  21. Tips for Using FRET in Your Experiments

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    Blog Post
    ...linking the quantity of absorbed light, at a given wavelength, to the concentration of fluorophore in solution...method, where the donor is excited by a specific wavelength of light and the signal is collected by using...
  22. Five Popular Model Organisms, Part 2

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    Blog Post
    ... perfect for molecular cloning and metabolic engineering.  The E. coli genome has an extensive research...you are working with Arabidopsis check out the GreenGate Toolkit which allows for easy cloning of constructs...
  23. CRISPR 101: Validating Your Genome Edit

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    Blog Post
    ...sites? Never fear! You can introduce a silent, passenger edit to serve as a proxy for your edit of interest... a version of Cas9 that has been specifically engineered for reduced off target editing, such as SpCas9...
  24. Quick Guide to Near-Infrared Fluorescent Proteins

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    Blog Post
    ...photoreceptors (Oliinyk et al., 2019). They were engineered to incorporate BV. Their advantages are their...Verkhusha, V.V. Near-infrared fluorescent proteins engineered from bacterial phytochromes. Curr Opin Chem Biol...
  25. Antibodies 101: Introduction to Gating in Flow Cytometry

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    Blog Post
    ...(see Figure 2). H describes the maximum signal strength, while W results from the time that the cell spent...increase the electric current and thereby the signal strength. So, we need to adjust the voltage in the cytometer...
  26. New Optogenetic Tools for Cytoskeleton and Membrane Control

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    Blog Post
    ...used here could be an attractive strategy for engineering other enzymes. Conclusion We hope this post has...precise control over vascular endothelial barrier strength. eLife, 12, RP84364. https://doi.org/10.7554/eLife...
  27. Plasmids 101: Expressing shRNAs for RNA Interference

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    Blog Post
    ...called Drosha to pre-miRNA. miRNA plasmids are engineered to skip this first pri-miRNA step. These RNA ...1472-6750-6-1 O’Brien, J., Hayder, H., Zayed, Y., & Peng, C. (2018). Overview of MicroRNA biogenesis, mechanisms...
  28. Site Directed Mutagenesis by PCR

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    Blog Post
    ...validation PCR followed by Restriction Fragment Length Polymorphism (RFLP) analysis (right). Introduction... absence) of that particular site with fragment length polymorphism (RFLP) analysis. In this process, ...
  29. Viral Vectors 101: AAV Variables That Matter

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    ..., Pillay, S., Puschnik, A. S., Nagamine, C. M., Cheng, F., Qiu, J., Carette, J. E., & Vandenberghe, L..... E., & Manfredsson, F. P. (2017). Rationally Engineered AAV Capsids Improve Transduction and Volumetric...
  30. Hot Plasmids: Spring 2025

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    ...important and abundant neurotransmitters, but it is challenging to monitor because only a small number of glutamate...to specific cell types in the brain can be a challenging — but critical — factor for successful experiments...
  31. Antibodies 101: Validation

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    ... signal, so you’ll need a range of expression strengths to be confident in your data. This is a good option...9. https://doi.org/10.1038/518027a  Roncador G, Engel P, Maestre L, Anderson AP, Cordell JL, Cragg MS,...
  32. Plasmids 101: Using Transposons in the Lab

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    ...Sleeping Beauty, piggyBac and Tol2 for Genome Engineering. IJMS 22:5084. https://doi.org/10.3390/ijms22105084...about the INTEGRATE system for bacterial genome engineering  Read about the Sleeping Beauty DNA transposon...
  33. Transferable Skills Guide: Teamwork

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    ...are currently about 5.5 million articles in the English version of Wikipedia alone. Humans have been forced...a team is a really good way of creating and strengthening those social bonds. So never mind how much better...
  34. CRISPR Guide Update

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    ...the Cascade-Cas3 system. We also describe newly engineered Cas9s with more flexible requirements and enhanced...
  35. The 12 Days of CRISPR

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    ...the 1st day of CRISPR, Addgene gave to me: An engineered prime editor with enhanced editing efficiency...
Showing: 551 - 600 of 808 results