We narrowed to 933 results for: KIN

...localization, turnover, and trafficking, as well as organelle trafficking and dynamics (fission, fusion...light is more phototoxic to cells, most scientists working on in vivo imaging models perfer the PA-RFPs over...from a dark state to a bright fluorescent state (“kindling”), and from a bright state to a dark non-fluorescent...fluorescence usually means more photons are being emitted, making it easier to capture a clear image above background...for whole cell imaging and studying organelle trafficking. Monomeric PA-FPs are usually preferred for studying...PMC2901231. 3.Verkhusha, Vladislav V., and Alexander Sorkin. "Conversion of the monomeric red fluorescent protein...Photoactivatable GFP tagging cassettes for protein‐tracking studies in the budding yeast Saccharomyces cerevisiae...

...governing policies are developed primarily by wishful thinking. The March for Science is about fighting scientific...postdoctoral researcher at Harvard Medical School working on human artificial chromosomes. Montreal, QC, ...scientists, we work tirelessly in the lab where the groundbreaking research happens, sometimes forgetting how ... I was scared. I worried that, because we were speaking out against legislators and because the march ...AggleDetector on Twitter) is a graduate student at Johns Hopkins University, where he is trying turn a few exoplanets...it takes to complete your resume, without ever thinking that research scientist would be a career that...NIH budget were proposed. I spent a lot of time asking why. As scientists we spend years being taught ...

...with different kinetic parameters. There are three GCaMP types based on their kinetics: GCaMPf (fast) ...bones and teeth. It is an enzyme co-factor, a crosslinking agent, a signaling ion, and an allosteric modulator...sensor to use for your studies, you can start by asking ‘What is the biological phenomena I want to observe... a sensor that is tuned to your parameters.   Kinetics How fast is the process you would like to monitor...jGCaMP7 and jGCaMP8 are also available with improved kinetic and sensitivity parameters. Sensitivity and Localization...to variance in sensor expression if you aren’t working with a stably integrated biosensor. Ratiometric...

...ever-growing variety of recombinase systems. Picking Ligands Picking the right ligand is also important for ...delayed and takes on the order of minutes. Studies looking at immediate effects of specific neuron firing ...blood-brain barrier.  Another consideration when picking ligands for chemogenetic studies is whether or ... are viable for translation to human patients. Picking receptors The receptor you choose is largely dependent... you to directly manipulate ion channels. When working with PSAM receptors, your impact on the cell is...Liss B, Kätzel D, Nissen W, Pekcec A (2019) Pharmacokinetic and pharmacodynamic actions of clozapine-N-...

...pretty good about sticking to that. If you email us at noon and then call back at 1PM asking why you haven...Tweeting and texting, actually writing an e-mail or making a phone call is a big commitment when you’re busy...doctoral dissertations. Streamline the question asking process Having thought through the above, don’t...soon as possible!” and I always begin my responses asking for more specifics. We can help you faster if we...how long it will take to get an answer, consider asking to avoid unrealistic expectations. And finally... Eric J. Perkins...

...the intensity of fluorescence signal and enables tracking of single molecules within living cells without...roles in many cellular functions, from endosomal trafficking to signaling pathways to the cell cycle. Good...different chromosomes. The advantage of having this kind of system that works in live cells is that one can...used with your own reporters to decipher their trafficking routes. This collection is now available at Addgene...indicators should possess fast voltage sensing kinetics and have no spectral overlap with the optogenetic...and an endoplasmic reticulum export motif and trafficking sequence for improved targeting to the plasma...CheRiff, exhibits high light sensitivity and fast kinetics. By combining both the voltage indicator, QuasAr...

...hardware sold by the manufacturer. Blocking solutions Your blocking options come in two categories: protein-based...make when designing a western blot.  Psst! Looking for a western blot protocol? Check out Addgene'...antibodies are relatively cheap and easy to source, making it easy to switch from one readout method to another...re running native (non-reduced) proteins or are looking to preserve specific protein modifications, we ...single-percentage gel, which is cheap and useful when you’re looking at proteins all roughly the same size, or a slightly...information. Many antibodies will have a recommended blocking buffer and a recommended concentration. That makes...greater dynamic range than chemiluminescence enzymes, making it easier to accurately visualize proteins of wildly...

...researchers learn many transferable skills while working in the lab and by offering advice on areas where... jobs needed to be done (Who is responsible for making the running buffer this week?). Scientists negotiate...approached it as a creative problem-solving exercise? Asking questions like the below can help you understand...you are in the middle of a frustrating situation. Asking for opinions from a neutral third party can be ...offer conflicts with a pre-planned vacation I’m looking forward to. How can I negotiate my starting date... a tenured professor or signing contracts when working for a business development team, negotiation is...strengthen your relationships with others who know that working with you will benefit them too. Ed's note: Salary...

...the conformational dynamics of the motor protein kinesin-1, the Twelvetrees Lab took advantage of the self-labeling...and more photostable than fluorescent proteins, making them ideal for single-molecule fluorescence techniques...deposited an array of constructs for tagging the kinesins KIF5A and KIF5B as well as backbones for generating... will be useful not only for future studies of kinesins but for many other proteins of interest too! Find....A.S., Craggs, T.D., & Twelvetrees A.E. (2024) Kinesin-1 is highly flexible and adopts an open conformation...voltage imaging. A) ASAP5 selected for its improved kinetics and responsivity in screening ASAP3 variants. ...different illumination regimes with fast activation kinetics and high responsivity near the resting membrane...

...researchers do learn MANY transferable skills while working in the lab and by offering advice on areas where...undergrads back in grad school. Both were hard-working scientists-in-training who got the job done, but...left him/her with small tasks and s/he was always asking for more work (this is a big hint that you are ...on what you should be doing : writing a grant, thinking about the next project, reaching out to other ...really helpful. “What is the best/worst part of working with X?”  is going to get you what you really want...grateful for the feedback, but at least you can start making changes for the best. Positive feedback is equally...Scientists Series What Makes a Good Mentor? Tips for Working in Industry and Success in Management Resources...

...structural biology, Byron Rubin, a crystallographer working with Jane Richardson, provided an initial solution...model. Until then, you can only wonder what I am talking about. How do researchers use physical models of... over and over in their hands. They then start talking to themselves as they compare the features displayed...magical teaching moments. The models function as thinking tools – eliciting questions like “what does this...investigated in their labs. Soon after we began working with educators in our Center for BioMolecular Modeling...complementary DNA strand. And this is why we love working with researchers on a model. The little knowledge...Jennifer Doudna’s new book A Crack in Creation. Making models more useful through flexibility It is common...

...of His-tagged human kinases in bactera. Listen to Our Segment on The Human Kinase Domain Constructs Kit...We’re breaking into more audio and video on the Addgene Blog and Addgene website. As we push forward ...CRISPR X from Michael Bassik's Lab - A new tool for making diverse, localized point mutations. Listen to Our...Segment on Magneto 2.0 Hot Plasmid 3: The Human Kinase Domain Constructs Kit from John Chodera's Lab -...with Eye Researcher Connie Cepko Get Advice on Picking a Graduate Lab and Project Check Out 5 Science ...

... you’re an oldbe trainee!) can be pretty nerve-wracking. So how can you be the best trainee possible? ...articles on building successful mentor relationships, asking for mentor support, and choosing your mentor. What...And I mean everything! The bare minimum should be taking notes on general protocol steps and other tips ...the moment….but you’ll probably forget and end up asking your mentor later if you don’t write it down. And... to your mentor. Pro tip! Consider physically walking through the protocol, by going to each space in...tell a trainee is understanding and things are ’clicking’ for them. It’s often easiest to train individuals..., What Now? Will You Be My Mentor? Finding and Asking for Mentoring Support   ...

...Mortensen, a PhD candidate at Northeastern University. Working with plants doesn’t always have to be a time-consuming...recently overcome this problem in C. roseus by working with young seedlings and optimizing several other...transient leaf transformation: Check if there are working protocols available for your species This will ... your tissue. Run a control with Agrobacterium lacking the GUS gene since plants can have endogenous GUS-like.... Successful infiltration can often be seen by sinking of the tissue (see Figure 3). This method is probably...GV3101(pMP90), which works well for us. Use a well working vector system This allows you to quickly assemble... you started. Once you have established a well working protocol in your lab, it can become a strong tool...

...the clock for others to dive in. The real cost of making data accessible A more reasonable concern with ... the scientific community is thus not averse to making data available, but there remains concern about... by others. Other new data initiatives are also taking root. Nature Publishing Group recently launched...efficient searching and extraction of information. Looking a little further ahead, journals may move towards...Instead of providing a “dead end” figure or table, clicking on the published chart could reveal the underlying...reader as possible. Rather than adding to demands, making effective data sharing the norm should open up ...Canada where he studies protein-serine/threonine kinases implicated in human diseases. His spare time is...

...scientific discovery and career development. They are working with limited resources but limitless potential....by facilitating connections to mentorship and networking opportunities, publishing assistance, and more...international scientific community and are always taking steps to increase plasmid distribution and disseminate...distribution As you can see from the chart below, we are making great progress toward spreading the Addgene community...countries. As part of these efforts, we will be working with Seeding Labs to award plasmids to research...well as shine a light on some of the great minds working in developing countries. As the world continues...

...been extremely helpful for scientists that are looking for more detailed information about this new technology...topics you want to learn more about. Our post on “Making Your Own Competent Cells” has been extremely popular...additional questions. We’re happy to see scientists making their own cells to save money and create the tools...feature in the coming year. Finally, we are always looking for guest bloggers who want to share their research...Replication By Kendall Morgan Save Time and Money by Making Your Own Competent Cells By Melina Fan Plasmids...Marcy Patrick Will You Be My Mentor? Finding and Asking for Mentoring Support By Joanne Kamens Plasmids...

...epigenetic silencer Recombinant antibodies for marking astrocytes MagIC-Cryo-EM for sample enrichment...minimizes sample loss while also supporting imaging, making it easy to identify dozens or hundreds of particles...molar ratio) with 10 minutes of glutaraldehyde crosslinking: representative micrograph (C), particle orientation...could be overcome with methods such as chemical crosslinking or tilted-stage imaging. A truncated form of...compatible with the buffer additive MgCl2 and the crosslinking agent glutaraldehyde. Adding RvLEAMshort to ...j.cell.2021.03.025.    Recombinant antibodies for marking cell types in the nervous system By Ashley Waldron...filament expressed in astrocytes throughout the brain, making it a popular target for labeling these cells. Check...

...of naked DNA. Other investigators who had been working to develop high efficiency gene targeting approaches...the addition of gene-specific 1 kb homology arms flanking a FLOXed neoR gene. pAAV-SEPT-Acceptor, the preferred... CRISPR-based approaches for the generation of knockins via homologous recombination with a homologous...application - the creation of sequence-specific knockins - for which the AAV approach is most well suited...suited, since it routinely generates knockin efficiencies of 1-40% with G418-selected clones. However, there...approach requires G418 selection of infected clones, making it unsuitable for most in vivo applications.  Third... CRISPR-based approaches for the generation of knockins, it is not always ideal. Because of these limitations...

... pathway. Those can include cytokines and chemokines; enzymes like kinases, phosphatases, and ubiquitin...false positive signal. Dump gating When you are working with heterogeneous cell mixes, like bulk lympho... buffer solutions. Fixing causes protein cross-linking, killing the cell but preserving the cellular state...gating uses the same color for different markers, making it easy to gate on the negative cell population...investigating negative regulators of T cells and cytokine signaling in tumor immunity. When he's not in ...