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We narrowed to 1,036 results for: REN

Showing: 501 - 520 of 1036 results
  1. Hot Biosensors 2022: Year-End Roundup

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    Blog Post
    ...sensors with different ITAM/SH2 reporter pairs allow multiplexed measurement of different RTKs. Although...Improving on the glutamate sensor iGluSnFR from Loren Looger’s lab, Kaspar Podgorski and colleagues have...response. They generated variants optimized for different applications (v82 has higher affinity for glutamate...By fusing two bright fluorescent proteins with different thermal quenching rates (mNeonGreen and tdTomato...sub-millisecond resolution and sub-degree temperature differences under a variety of imaging conditions (155 μs...
  2. Plasmids 101: Biotinylation

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    Blog Post
    ...solubility, and thus different reagents are useful for biotinylation in different microenvironments. There...used today in molecular biology for an array of different techniques and protocols. In this post we will...determined to be due to a deficiency in Vitamin H later renamed Vitamin B7/biotin. Egg white injury would plague...a solid substrate (Holden and Cremer, 2003). References 1. Chapman-Smith, A., & Cronan, J. E. “Molecular...post-translational modification of exceptional specificity.” Trends in Biochemical Sciences, 24.9 (1999b): 359–363....
  3. Replacing Paper: Tips for Choosing an Electronic lab Notebook

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    Blog Post
    ...labs. While many labs approach the situation differently, some adopting simple note-taking tools, others...functionalities with experiment records. Many different types of ELNs are available on the market today...available here. Our questions focused on researchers’ current practices, their opinions towards ELNs, and their...desired functionalities i.e. main priorities of different ELN features, ranging from whether respondents...cases this applies to universities. How are you currently exchanging information with your team? If you ... allows you to assign specific permissions to different lab members to avoid any issues later on. Do you...
  4. 3 Tips to Improve HDR Efficiency for CRISPR Editing in Human Cells

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    Blog Post
    ... iPSCs (or correct them back to wild type), differentiate them into somatic cells affected by the disease...iPSC clone picking, a 100-fold decrease is the difference between picking 100 versus 10,000 clones! We ... experiments with blocking mutations, we still weren’t entirely happy with our editing outcomes and in...Dominik Paquet and Dylan Kwart Dominik Paquet is currently a Professor for Neurobiology at the Institute ...Tessier-Lavigne’s lab at the Rockefeller University. He currently works to understand pathological mechanisms of...developing novel iPSC-based model systems.     References 1. Cong, Le, et al. "Multiplex genome engineering...
  5. Plasmids 101: Gibson Assembly and Other Long-Homology Based Cloning Methods

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    Blog Post
    ...scientists have developed and fine tuned many different ways to clone DNA fragments which have provided...with an enzyme master mix, which contains three different enzymes: an exonuclease, which chews back the... this doesn’t allow for mix and match of many different fragments. One way around this is to use a combination...with a G!) but actually work by significantly different methods. Golden Gate cloning does result in the...from one vector to another. There are lots of different ways to clone these days. Gibson and the other...biology, you should consider giving it a try! References: 1. Gibson DG, Young L, Chuang RY, Venter JC,...
  6. Keeping Up With CRISPR/Cas9

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    Blog Post
    ...available at Addgene CRISPR-Cas9 References, Protocols, and more References: Generation of Gene-Modified ...the monkey story hit the presses, another very different bit of CRISPR news was circulating. Scientists...how CRISPR/Cas9s actually work. Last month, the Lawrence Berkeley Lab's Jennifer Doudna and Eva Nogales...this structure may help us engineer around the current limitations of the Cas9 complex," said study author...
  7. Plasmids 101: Repressible Promoters

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    Blog Post
    ...by Hannah Dotson in Dec. 2022.  References and Resources References Gossen M, Bujard H. Tight control...In the presence of tetracycline (Tet), TetR preferentially binds Tet over the TetO elements, allowing ... One can therefore place GAL4 and GAL80 under different promoters and create sophisticated patterns of...wondering, “why is it necessary to have all 3 of the different binary systems above if they all behave very similarly...tet-on-and-tet-off-2nd-generation Mullick, A., Xu, Y., Warren, R. et al. The cumate gene-switch: a system for...
  8. Hot Plasmids: Fall 2025

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    Blog Post
    ...localization signal; TEVp = TEV protease. Created with BioRender.com. Using this system, the team tracked the...it is a diverse tool that can be used in many different systems, both in vitro and in vivo. Find MitoTRACER...Fang, et al., 2025). These new sensors use quite different designs, leading to unique advantages. While most...most red GECIs have been derived from just a few parent fluorescent proteins, PinkyCaMP is the first based...transplanted into the vicinity of any one of five(!) different cancer types, the tumor size was greatly diminished... & Lau et al., 2024). The method uses CRISPR interference (CRISPRi) to regulate gene expression of colorful...
  9. Exploring Applications of the Bioluminescent HiBiT Tag

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    Blog Post
    ...by Promega scientists here.  References and resources References Hall, M. P., Unch, J., Binkowski,...overexpression — boosting levels so interactions aren't missed. But this often yields results that don'... al., 2018). The small size of HiBiT reduces interference with the native function of tagged proteins ... regulation, and context-dependent activity can render traditional tagging approaches insufficient. Vascular...., Toyooka, S., & Otsuka, M. (2025). Genomic Differences and Distinct TP53 Mutation Site-Linked Chemosensitivity...
  10. PiggyBac-ing Through the Genome Editing Field

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    Blog Post
    ...line with the piggyBac™ system is that it has a preference for integration at regions of open chromatin,...rearrangement (such as when a stem cell initiates differentiation), transgene silencing may occur (as it would...cassette can be incorporated, and used during the differentiation process. Moreover, a splinkerette-PCR assay...technologies and strategies for their projects. References 1. L. E. Woodard and M. H. Wilson, “piggyBac-...piggyBac-ing models and new therapeutic strategies.,” Trends Biotechnol., vol. 33, no. 9, pp. 525–33, Sep. 2015...26299960. PubMed Central PMCID: PMC4559351. 8. A. G. Uren, H. Mikkers, J. Kool, L. van der Weyden, A. H. Lund...
  11. Science Communication for Everyone

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    Blog Post
    ...Toronto, created The Addictive Brain to spread awareness about how scientists utilize tax-payer money and... how our articles have helped them understand different topics of science, especially disease related ...terms like manipulations, anomaly, and so on, differently than scientists would. For example, “manipulate...blogger, Chinmaya Sandangi! Dr. Chinmaya Sadangi is currently a postdoc at the University of Toronto and founder... receive our science career guide Learn about different careers in science communication Resources on...
  12. Quick, Versatile Plant Transgenesis with GreenGate Plasmids

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    Blog Post
    ...fragments that are very different.” Because the fragments produced will have different overhangs, they can...systems. “The cloning is all done in vitro; it’s no different in mouse, human or plants,” explained Jan Lohmann...Lohmann of Heidelberg University. “What is different is the plasmids you use to bring this into your target...available, making it easier for us to do our work.” References 1. Athanasios Lampropoulos et al. "GreenGate ...
  13. The 10 Most Distributed Plasmid Technologies in Addgene's First 10 Years

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    Blog Post
    ...5,000 different research institutions. This has given us a unique window into technology trends in the...by the influx of plasmids for reprogramming differentiated cells into pluripotent stem cells. Plasmids...HA-Ubiquitin-WT and HA-Ubiquitin, and we now have 19 different ubiquitin plasmids in the repository. 100,000 ... and modified by so many labs and for so many different purposes that we had to create a CRISPR page to...
  14. Modulate the Activity of 17 Signaling Pathways with One Kit!

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    Blog Post
    ...controlling properties like growth, survival, and differentiation.” https://www.addgene.org/kits/sabatini-wood-cancer-pathway-orfs...implicated in cancer cell proliferation, survival, differentiation, and apoptosis. For each of these 17 pathways...morphological features, migration, or survival in different contexts.” It’s also possible you could make use... sometimes drug screens and sometimes totally different experiments we never thought of - and that’s thrilling...constructs to the kit in the next two years. References 1. Martz, Colin A., et al. "Systematic identification...
  15. 15 Hot Plasmids from 2017

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    Blog Post
    ...tools to the expanding gateway compatible vectors currently shared amongst the zebrafish community. Don E...PiggyBac transposons, the Woltjen Lab compared different variants of the polycistronic cassettes and discovered...is a new member of this class that works via a different mechanism - the PhoCl protein is irreversibly ...“caged” by fusion to specific domains thereby rendering them inactive in the cytoplasm. The authors use...interest. NHEJ- or HDR-induced mutations in ATP1A1 can render cells resistant to the small molecule ouabain -...of essential genes in vivo. Utilizing CRISPR interference (CRISPRi) technology, the arrayed knockdown ...examining genomes possessing CRISPR systems with apparent self-targeting. Two of these Lmo proteins, AcrIIA2...
  16. Lentiviral Vector Guide

    Type
    Guide
    ...packaging genes. However, they are different viruses and require different isoforms of these packaging components...genes. From an experimental standpoint, the main difference between lentiviruses and gamma-retroviruses is...: Wild-type lentivirus genome. Created with BioRender.com. All retroviruses use the packaging genes gag...systems, due to a wide range of infectivity for different cell types (known as tropism). Lentiviral vectors...safety. These improvements have been divided into different generations. Lentiviral Generations First-generation...While the viral components are still separated on different plasmids, the viral genome remains largely intact...First-generation lentiviral plasmids. Created with BioRender.com. Second-generation Second-generation lentiviral...
  17. Three Key Considerations for Precise Neuronal Targeting Using AAV Technologies

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    Blog Post
    ...neuronal populations to consider. To tease apart how different neurons impact a certain output, neuroscientists... populations using viral strategies Combining different approaches can increase the specificity of cell...optogenetic payload in neurons that project to different regions of the brain. A more locally defined set...in their cell bodies. Optical stimulation in a different brain area can then reveal the cells bodies of...share experimental design and data. With these different approaches to open science, we aim to accelerate...
  18. Spurred by COVID-19, Addgene Bridges Plasmid Sharing Between Academia and Industry

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    Blog Post
    ... Conversations with children playing in the background became a normal occurrence as Addgene and our university...light of the need for basic research during the current pandemic, universities are showing an unprecedented...of Illinois Chicago                     Boston Children's Hospital                           California...scientists. This partnership complemented each other's strengths: Ginkgo Bioworks’ infrastructure allowed them ...
  19. Working 9-5: an Addgene Co-op

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    Blog Post
    ...year bioengineering student, to Addgene. I am currently working on the QC/QA team as a DNA Sequencing ... food service industry, which followed a very different schedule. Fortunately, I was provided with a detailed...gave me enough time to become familiar with the different types of issues that were important to this function...Specifically as a co-op, it is encouraged to explore different teams and work on projects there. At this point...point, I have seen several lab processes and am currently working on projects for the Science Communication...
  20. Mapping the 4D nucleome with CRISPR/Cas9

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    Blog Post
    ...NmCas9 and St1Cas9. Each ortholog was fused to a different fluorescent protein to create three colors. The...specificity of these orthologs is key: due to differences in the PAM sequences required by each ortholog...specific for telomeric sequences and showed that different fluorescently labeled dCas9 isoforms are efficiently...target sequence. They were also able to label two different pairs of chromosomes using gRNAs specific to sequences...Addgene are excited to see what’s coming next! References Multicolor CRISPR labeling of chromosomal loci...
Showing: 501 - 520 of 1036 results