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... If you start poking around on Addgene’s Fluorescent Protein Guide to In Vivo Imaging, you’ll pretty ...allowing higher resolution in samples containing substantial autofluorescence background.” Just last month...genetically-encoded probes by making them brighter, more photostable, smaller, and less toxic to cells. They’d like...answers will be there.     References: Bright and stable near-infrared fluorescent protein for in vivo imaging...

...they also went in search of genes involved in resistance to the cancer drug vemurafenib. Enriched libraries...infection into target cells that have previously been stably transfected for Cas9 expression. The Yusa lab has... screen for genes involved in bacterial toxin resistance, identifying 4 previously unknown genes.  “With... Institute. “This will greatly aid efforts to understand the function of both protein-coding genes as ...

...construct. DNA and gRNA are not to scale.   Let’s start with the simplest multiplexing situation: you only...number. First you generate four unique kanamycin-resistant plasmids, each containing a different gRNA target... all but one of your gRNAs into spectinomycin-resistant plasmids pX330S-2 to pX330S-(last gRNA number)...: Comparison of Multiplex Strategies including Standard PolIII-gRNA cassette, Csy4-cleavable cassette,...dicot plants, with a choice of either hygromycin or Basta selection. Yang Lab Single Transcript Multiplexing...

...you choose this status for your plasmids. In fact, almost half of all new deposits start out with this ...routinely review deposits that are left in the hold status and reach out to depositors about them, but we ...ensure that plasmids don’t get left behind in this status — a win-win situation for all. Addgene will release...

...about careers in science communication. When I started my Science Communication Internship with Addgene... success feels like a real accomplishment.” He started working on them shortly after joining IDT when ...plans together for my next 4 webinars—I have them stacked close together for the next couple of months. This...killer for science literacy. If people have to understand a lot of big words to access what you have written...

...recognized and operated as a nonprofit under the United States Internal Revenue Code 501(c)(3). That means we ... revenue to build reserves so the company is sustainable. The difference is what nonprofits do with their...materials are affordable but enough to make us self-sustaining. With this unique model, we are able to spend...spend resources on maintaining quality and starting new initiatives as opposed to fundraising.   Aside from...

...decision making, and motor control.  What do we understand about Dopamine? DA is produced by specific dopaminergic...dopaminergic neurons in a brain region called the substantia nigra, which is the main source of the body’s...frequency, and this frequency can indicate behavioral state, for example, if someone is awake, agitated, or ...measuring Dopamine In vivo microdialysis The gold standard method of measuring DA and other neurotransmitters...

...observed in the kidneys at a specific developmental stage you could infer that the gene which GFP was monitoring...Development-specific genes – if a gene functions at multiple stages in development, its depletion may result in lethality... the depletion of one another. Under these circumstances, trap methods may be the preferred screening... in fact, they can be activated a considerable distance away from a gene which can make identification...

...each, thereby achieving the coveted “blue flame” status. We’re proud to honor the creativity, passion, ...plasmids but lack the resources or personnel to constantly prepare them for distribution. One of the major...and #happydepositor on Twitter. All Blue Flames started with a deposit. Begin yours here. It has been my...Favorite Plasmid Technology Resources on Addgene.org Start a Deposit Find Additional Hot Plasmids Find the ...

... in your own lab. Table 1: Comparison Between Standard Restriction Cloning and Fast Cloning Requirement...ligated in vivo. Detailed FastCloning procedure To start the FastCloning process, the insert and vector are...efficiency cloning Now that you have a better understanding of the step by step procedure of FastCloning... 1. Celie, Patrick HN, Annabel HA Parret, and Anastassis Perrakis. "Recombinant cloning strategies for...

... in the mall. I took action, joined a gym, and started running on a treadmill. After being with the company...treatments, if available. As part of the team, I started adding mile after mile on my poor, poor legs. ...all seems lost in the War of Light, Look to the stars –                                     -for HOPE ...development. His areas of expertise include early stage drug discovery and pre-clinical development for ...

...of the manager is not to empower but to remove obstacles.” – Scott Adams, Dilbert cartoonist What makes...for example. So aside from a focus on removing obstacles, what makes a good manager? First, it takes an...consultation, advice and brainstorming. Employees must understand the part they play in the goals of the organization...their present positions By removing the primary obstacle of job dissatisfaction, the work can get done,...

...field of science you are communicating from. For instance, a plumber, a physicist, an ambassador to Spain... an email without a recipient, so why would you start a communications project without an audience?  An... racial/ethnic background, patient or caregiver status, geographic location, sense of humor, media consumed...audience allows you to create common ground and understanding that you can use to get your message across....

...Bandrowski et al., 2016). It’s also been well established that recombinant antibodies are excellent for... to contribute to the catalog. The Catalog Will Start With Neuroscience Antibodies and Grow From There...Email [email protected] to learn more or get started.  If you have suggestions about how to make the...Bradbury A, Plückthun A (2015) Reproducibility: Standardize antibodies used in research. Nature 518:27–29...

... are focusing on tagging for detection purposes (stay tuned for our affinity purification tag blog!). ...benefits – as discussed above – but there are a few instances when they should be used with caution or not at...Protein folding issues, steric hindrances, and destabilization can be brought about by the tag so it’s important...aggregation of your protein of interest!   Ready to start epitope tagging?   References and Resources References...

...several years ago we partnered with Seqwell to establish a next-generation sequencing (NGS) QC platform...including only titration of AAV particles and a protein stain to assess purity. For labs that produce a small ...samples, serotypes, or both. Unfortunately, the standard AAV QC regimen does not address this.  Previous...analysis approach can be easily incorporated into standard QC regimens and will provide scientists with the...

...expression of XFPs. Any longer and the cells may start to show morphological abnormalities due to the excessive...Clearing large tissues - Fluorescent proteins are very stable in SeeDB2. However, SeeDB2 is not powerful enough...neuronal circuit tracing.     Marcus Leiwe is an assistant professor at Kyushu University. He has a particular...17972876. Kohl, Johannes, et al. "Ultrafast tissue staining with chemical tags." Proceedings of the National...

...detection assays, in vitro transduction, and silver stain approaches we show that there is no difference in...research community.    So, why are we so excited? For starters, we believe that this approach can be adapted ... of retroviral vectors: Enhancement in vector stability." Biotechnology and bioengineering 94.2 (2006)...PubMed PMID: 16528756. 2. Oh, Steve KW, et al. "Substantial overproduction of antibodies by applying osmotic...

...insert. Since the standard ligation reaction is fairly quick, make sure you stay organized and prepare...TOPO cloning: 1. Create Your PCR Product: Design standard primers (no need to add unique restriction sites...Reaction into Competent Cells: You can use your standard lab protocol for this; however, you should reduce...

...we are cloning an ORF, we want to clone from the start codon (ATG) to the stop codon (TGA, in this example...give specificity and to also be compatible with a standard PCR reaction (see PCR Video). Therefore, our Forward...reverse complement to get PCR amplification. We can start similarly, taking the final 18 bases of the ORF,...restriction cloning post. However, even more than with standard restriction cloning, it is essential that you ...