We narrowed to 813 results for: tes
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TypeBlog PostPublishedMay 16, 2018, 1 p.m....on a web-based interactive visualization of FP attributes (which turned into www.fpvis.org). That page...is also difficult to scale such a resource when updates depend on a single person. With thousands of scientists...
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FlipGFP, a novel fluorescence protease reporter to study apoptosis
TypeBlog PostPublishedMay 21, 2019, 12:10 p.m....nearby resulting in fluorescence within tens of minutes (Cabantous et al., 2013). The Shu Lab took advantage...reporter can be used to visualize apoptosis of enterocytes in the midgut of Drosophila, an observation that... -
The Crispr Babies Saga Shows the Need for Action, Not More Delays
TypeBlog PostPublishedDec. 20, 2018, 1:15 p.m.... all worked in tandem, within their respective mandates, to tackle a controversial and ethically fraught...stages of human clinical trials. This model also demonstrates that when we are at the point of scientifically... -
K. phaffii: Rising to the Occasion
TypeBlog PostPublishedApril 4, 2023, 1 p.m....short, K. phaffii is a non-pathogenic yeast that operates as an obligate aerobe. It’s also a methylotropic...has been sequenced for some time, clearing the greatest hurdle for genome engineering. A unique evolutionary... -
R Bodies: Membrane-Rupturing Microscopic Tools
TypeBlog PostPublishedApril 14, 2016, 2:30 p.m....dynamically rearranging into different polymerization states. Instead, R body monomers respond to pH changes...their cell walls removed with lysozyme). This demonstrates that R bodies can function to break membranes... -
Addgene Welcomes John Doench to the Advisory Board
TypeBlog PostPublishedAug. 13, 2015, 2:30 p.m.... up on a Saturday at like 7 am to go check your plates and you’re excited to do so, you know that that...Addgene has behind it is something that very much resonates with me.” About Addgene’s role in the future,... -
Plasmids 101: How to Verify Your Plasmid Using a Restriction Digest Analysis
TypeBlog PostPublishedAug. 28, 2014, 3:34 p.m....enzymes which cleave the DNA molecules at specific sites and 2) running the reaction on an agarose gel to...To do this, you'll use enzymes with restriction sites that flank the insert. You will need to know both... -
Plasmids 101: Screens vs. Selections
TypeBlog PostPublishedNov. 10, 2022, 2:15 p.m....small molecule realm is typically not feasible to test in any given screening experiment. Thus, a limited...require there to be a culture condition which eliminates manipulations that do not affect the function... -
Antibodies 101: ChIP
TypeBlog PostPublishedMarch 10, 2022, 3:25 p.m.... Fig. 1: Schematic overview of ChIP. Image courtesy of Shengliu via Wikicommons. Okay, let’s...celebrating a successful ChIP experiment! Image courtesy of https://www.wannapik.com/ Even though... -
Hot Plasmids - February 2022
TypeBlog PostPublishedFeb. 22, 2022, 2:15 p.m....2: comparison of Cas 9 vs. Cas 12a expression cassettes when encoding multiple guides. While two guides... and fusion proteins, such as Cas9 and Cas12a, creates challenges for in vivo delivery and cell engineering... -
GPCRs: How Do They Work and How Do We Study Them?
TypeBlog PostPublishedFeb. 11, 2021, 2:15 p.m....parts: the receptor itself and the G-proteins it associates with. Receptor: GPCRs are also known as seven...transducing receptors in the brain they are ideal candidates for use in chemogenetics. To create chemogenetics... -
OCaMP: A New Calcium Indicator for Neural Imaging
TypeBlog PostPublishedAug. 19, 2025, 1:15 p.m....Better performance = better data In side-by-side tests with popular red and yellow GECIs, OCaMP shows: ...events are indicated below the trace; asterisk indicates a single AP. B) Averaged fluorescence responses... -
Plasmids 101: Sequence and Ligation Independent Cloning (SLIC)
TypeBlog PostPublishedSept. 26, 2024, 1:15 p.m....makeover In 2007, LIC received an important update, courtesy of Addgene depositor Stephen Elledge. His new ...fragments without the need for specific restriction sites or DNA ligase! This post was originally written... -
Cancer, Inflammation and Immunity - Harnessing the Body’s Defenses to Fight Cancer
TypeBlog PostPublishedJuly 6, 2017, 1:59 p.m....concluded “Aspirin promotes autophagy, inhibits platelet aggregation, and potentiates the effect of PD-... -
Addgene’s Viral Service - Why Virus? Why Now?
TypeBlog PostPublishedMarch 23, 2017, 2:30 p.m.... and have worked closely with us to functionally test our virus. Ed Boyden’s lab from MIT and Alla Karpova... methods, performs extensive quality control, generates educational materials, and provides viral vector... -
Behind the scenes: Addgene’s new search engine and more
TypeBlog PostPublishedDec. 12, 2019, 2:22 p.m.... including the recent homepage and search tool updates. Now, let’s take a look at the least visible part...behind Addgene’s new search Like millions of other websites, we built our new search engine atop Elasticsearch... -
Targeted Mutagenesis with EvolvR
TypeBlog PostPublishedFeb. 21, 2019, 1:15 p.m....site of interest, which nCas9 nicks and then dissociates from. PolI3M then binds the nicked DNA, and extends..., where it nicks its target DNA (left). Cas9 dissociates and PolI binds (middle) and extends from the ... -
Clear and Accessible Writing
TypeBlog PostPublishedFeb. 15, 2024, 2:15 p.m....supernatant through each layer. The right panel illustrates a gradient tube before and after ultracentrifugation...ultracentrifugation. The viral supernatant migrates through increasingly dense layers until the macromolecule density... -
Viral Vectors 101: Inverted Terminal Repeats
TypeBlog PostPublishedOct. 19, 2023, 1:15 p.m....sequence containing transcription factor binding sites can increase transgene expression and transduction...validate ITR sequences as these enzymes cut at known sites within the ITR. However, small deletions and point... -
Sharing is Caring: But How to Distribute Open Hardware?
TypeBlog PostPublishedFeb. 28, 2023, 2:15 p.m....security-critical bugs, and contribute to constant updates of the software. In hardware, this process is often...are as follows: Detailed documentation, which facilitates the reproduction of the structure in a similar...