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We narrowed to 633 results for: gats

Showing: 161 - 180 of 633 results
  1. RNA Extraction Without A Kit

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    Blog Post
    ...homogenate and shaken. After a quick centrifugation (not ultracentrifugation!), the layers of phenol and chloroform...bacteria, keep samples cold and work quickly to mitigate RNA degradation. Make sure to use DEPC-treated...out to develop a protocol that skipped the ultracentrifugation altogether. Chomczynski and Sacchi showed... TRIzol®, insoluble material is removed via centrifugation and the supernatant is extracted with chloroform...
  2. RANbodies: Reporter Nanobody Fusions

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    Blog Post
    ...they can’t be genetically tagged and instead are conjugated to reporters (i.e. fluorescent dyes, HRP, etc...single domain antibody. To create their RANbodies, Yamagata et al used previously published nanobody sequences...they produce the same signal, so only one HRP-conjugated RANbody can be used at a time. Samples can be...RANbodies? Great! All of the RANbody plasmids from Yamagata et al can be found here. Can’t find a RANbody ...the comments below. References Sanes, J.R., & Yamagata, M. (2018). Reporter-nanobody fusions (RANbodies...
  3. Lighting Up Cell Signaling with Photoswitchable Kinases

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    Blog Post
    ... activity. 2. Studying negative feedback loops of signaling pathways Negative feedback loops are a common...Additionally, dimeric Dronpa is less prone to aggregation in cells compared to the tetrameric Dronpa it...pulses of kinase activity. Zhou et al studied the negative feedback on endogenous MEK1/2 phosphorylation ...suggesting PP1/PP2A is responsible for this MEK1/2 negative feedback. 3. Studying signaling pathways in vivo...
  4. Educational Planarian Tools for Teaching Developmental Biology Techniques

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    Blog Post
    ...are 11 different genes cloned into plasmids to investigate for each of these planarian species. These plasmids...wildtype locomotion.   Create your own plasmids to investigate other genes in planarians! For those who are ... performing their own molecular cloning and investigating genes not in this collection, they may clone...stowers.org and if you make new plasmids for investigating different planarian genes, we encourage you ... other classrooms and researchers can easily investigate in planarians. References 1. Alice Accorsi, ...
  5. Fluorescent Proteins 101: Fluorescent Protein Timers

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    Blog Post
    ...initial timer was a tetramer with a propensity to aggregate in cells (Tsuboi et al.), limiting its use. Nonetheless...2000, researchers have realized how problematic aggregation-prone tetrameric fluorescent proteins can be....functionality are all possible consequences of FP aggregation, as Erik Snapp’s blog post shows. To avoid these...developed monomeric FP timers with less propensity to aggregate. These monomeric FP timers (mK-GO from Tsuboi ...Addgene Blog Learn More About Fluorescent Protein Aggregation Catch Up On Your GFP Basics Get Advice on Choosing...
  6. Hot Plasmids Spring 2024

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    Blog Post
    ...they are negative-going sensors (with fluorescent signal at baseline voltage), the investigators found that... or membrane protein (Plasmid #141386-LV [+M], negative control) were immunoblotted against Anti-SARS-... Figure 4: Structure of Voltron or Voltron2 conjugated to a JaneliaFluor dye emitting at 525 nm. Image...fluorescence is tunable by changing the dye that becomes conjugated with its HaloTag domain.  Find Voltron2 plasmids...
  7. An Integrin Antibody Toolkit from IPI

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    Blog Post
    ...researchers can measure this conformational change to investigate the role of specific integrins in cellular processes... αL, αM and α5. IPI’s anti-integrin rAbs are unconjugated and recommended for use in flow cytometry. Based...enable cells to spread, resulting in cells that elongated and morphed asymmetrically (Jo et al., 2022). ...subunit. Using these affinity reagents, the investigators inhibited other RGD-binding integrins, individually...for cell adhesion. The results surprised the investigators, challenging the long-held belief that αVβ3 ...
  8. Genetic Code Expansion

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    Collection
    ...synonymous TAA, and engineering RF2 and tRNATrp to mitigate native UGA recognition. Farren Isaacs Return to...
  9. Viral Vectors 101: Optogenetic Tools

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    Blog Post
    ...control We will discuss three types of tools: light-gated ion channels, optogenetic G-protein coupled receptors...receptors (OptoXRs), and photoswitches. Light-gated ion channels directly open and close when exposed to... inhibit a specific receptor or pathway.  Light-gated ion channels Light activated ion channels (rhodopsins...sustained period of time (Gong et al., 2020). Light-gated ion channels are useful when you want to activate...E. (2003). Channelrhodopsin-2, a directly light-gated cation-selective membrane channel. Proceedings of...
  10. Scientific Reproducibility - Focusing on Solutions at the Minisymposium on Reproducibility

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    Blog Post
    ...of citable, linkable figures. Cause #2: Hidden “negative” data We all want to be able to tell a good story...however, made it difficult to publish so-called “negative” results that conflict with our original hypotheses...problem would be for traditional journals to publish negative data, but this is a big ask and, from the journal...:31 - 49:45), there are many ways to publicise negative data - we don’t have to rely on traditional journals... whether the ultimate results were positive or negative. I can feel you rolling your eyes, but even if...
  11. PiggyBac-ing Through the Genome Editing Field

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    Blog Post
    ...constitutively-active or a dominant-negative mutant. Reducing the copy number can also mitigate the deleterious effects...expression of certain genes, such as those that have negative impacts on fitness. One consideration when making...enzyme [4]. By using a donor plasmid containing a negative selection marker such as thymidine kinase, a researcher...efficient as Cre recombinase. However, the use of negative selection largely overcomes this obstacle. Furthermore...
  12. Deep Dive: Statistical Tests (Comparisons)

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    Blog Post
    ...different likelihoods of returning false positives/negatives, but they all generally yield a similar result...s test – Most conservative test. Higher false negatives, lower false positives. Newman-Keuls method –... – More powerful. Moderate false negatives, moderate false positives. Duncan’s multiple range test – Most... Most powerful. Low false negatives, high false positives. Control vs. all samples Oftentimes there exists...risk of higher error, both false positives and negatives (or, as the mathematicians say, Type I and Type...
  13. A History of Genome Engineering in Popular Culture

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    Blog Post
    ... in popular fiction has been largely negative. But these negative depictions serve as cautionary tales...the information necessary for regulating and propagating life, there was no turning back. While the world...wreaking havoc in a theme park.  Released in 1997, GATTACA is an American SciFi film starring Ethan Hawke,...between Cas9 and reverse transcriptase. Using an elongated template + guide RNA called pegRNA (prime editing...
  14. Sequencing Options for CRISPR Genotyping

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    Blog Post
    ...Hendel et al. 2015). Low detection rates mean the investigator can be relatively certain that their samples...off-target mutations are essential data points for investigators looking to definitively link genotype and phenotype... chromatin configuration, produces many false negatives Combining sequencing techniques can ensure ...genome-wide unbiased methods. However, most investigators use single cell clones for in vitro CRISPR experiments...gene editing achieved by TALENs, CRISPR/Cas9, and megaTAL nucleases." Molecular Therapy (2015). PubMed PMID...
  15. Synthetic Biology, Artificial Chromosomes, iGEM & More - Interview with Tom Ellis

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    Blog Post
    ...already be seen with things like DNA synthesis, Golden Gate cloning, and CRISPR. The yeast synthetic genome ... He returned to academic research in 2005 to investigate synthetic biology at Boston University, working...yeast synthetic genome project. His team also investigates bacteria and extremophiles for biotechnology...Education Nonprofit BioBuilder Plasmids 101: Golden Gate Cloning Learn About Working at a SynBio Startup ...
  16. Plasmids 101: Modular Cloning Applications and Kits

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    Blog Post
    ...Addgene blog Plasmids 101: Golden Gate Cloning High Complexity Golden Gate Cloning with NEB’s DAD New MoClo...Drosophila. Similarly, the Multi-Kingdom (MK) Golden Gate system was designed to work in fungi, bacteria, ...s12896-017-0393-y. Engler, Carola, et al. “A Golden Gate Modular Cloning Toolbox for Plants.” ACS Synthetic...Chiasson, David, et al. “A Unified Multi-Kingdom Golden Gate Cloning Platform.” Scientific Reports, vol. 9, no...
  17. Same Addgene, New Look - Why We Redesigned Our Homepage & Mascot

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    Blog Post
    ...our growth over the last few years. Some of the navigation was buried on the page, and a lot of the content...clear to us that we needed to improve search and navigation, while also updating brand messaging, as well...this we’ve also made improvements to our global navigation and menus over the past year, making it much ...sharing, and fun Along with improving search and navigation, we also wanted to emphasize the values that ...
  18. Early Career Researcher Toolbox: Free Online Molecular Biology Tools

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    Blog Post
    ...overhang sets for high complexity Golden Gate Reactions Cloning ligation reaction calculators These links can... For general primer design Design primers for Goldengate cloning   Design primers for In-Fusion Cloning..., Gibson assembly, or In-Fusion cloning.  NEB Ligation Calculator: This tool works for any cloning method...
  19. Hot Plasmids - October 2022

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    Blog Post
    ...voltage indicator: JEDI-2P Novel class of light-gated potassium channelrhodopsins Myc-tag antibody anti-c-Myc...10.1016/j.cell.2022.07.013.   Novel class of light-gated potassium channelrhodopsins by: Mike Lacy New work... John Spudich identifies a novel class of light-gated potassium channelrhodopsins, named Kalium channelrhodopsins... al. Kalium channelrhodopsins are natural light-gated potassium channels that mediate optogenetic inhibition...
  20. Plasmids 101: Origin of Replication

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    Blog Post
    ...exclusively in E. coli? Gram negative bacteria in general? Both Gram negatives and Gram positives? Will you...has to do with the balance between positive and negative regulation and can be manipulated with mutations... strain Most E. coli strains can be used to propagate plasmids, but endA- E. coli are best for high ...
Showing: 161 - 180 of 633 results