...He has recently developed a third-generation intensiometric glutamate sensing fluorescent reporter (iGluSnFR3...to identify cell populations in the brain that contribute to the development of behavioral signs of opioid...connectivity patterns of these cells and the functional contribution to a variety of behaviors related to addiction...expressed in a mammalian cell line engineered to be electrically excitable. The mutants are co-expressed with...membrane voltage,” says Tian. Figure 5: Citrine-tagged voltage indicator expressed in mouse cortex...

...The post was contributed by guest blogger Londa Schiebinger, PhD, Hinds Professor of History of Science...the US Women’s Health Initiative Hormone Therapy Trial, for example, found that the study saved lives. ...was $35.2 billion (or $140 per $1 invested in the trial). The goal of gendered innovations It is crucially...research is minimal compared to that of human clinical trials. And, as Janine Clayton points out, late-stage ...because sex was not analyzed) may harm humans or contribute to failures in drug development – costs far greater...

... by a variety of methods such as ultracentrifugation, centrifugation on a sucrose gradient, spin columns...producing and using lentivirus and offer some tips and tricks for overcoming these hurdles. Talking 'bout my...relatively inexpensive and does not require an ultracentrifuge, PEG will precipitate all proteins in a solution...high-titer lentivirus preparations without ultracentrifugation. Sci Rep. 2015; 5:13875. PubMed PMID: 26348152...

...This post was contributed by Patrick Miller-Rhodes from the University of Rochester Medical Center.  ...guest blogger Patrick Miller-Rhodes from the University of Rochester Medical Center! Patrick is equal parts...in large enough quantities (and the correct stoichiometric ratios) to generate useable data. What’s more...

...they are transferrable across most, if not all, industries and work environments. This is why they are called... bathroom mirror pep talk, forgotten and then retrieved your lucky socks, persevered through a nerve wracking...potential teammates want to be assured that you will contribute openness, clarity, approachability, and professionalism...interview, check out this article from The Muse. Kai Strickland is a former Customer Support and Operations Manager... Kai Strickland...

...dependencies they identified and their associated ancestries. While there were some exciting relationships...Dependency Map) than lines from European or East Asian ancestries. These SNPs, however, were not accounted for ...racial bias. It is easy, even unintentionally, to attribute to an ancestry group what is actually an artifact...and references References Germline variation contributes to false negatives in CRISPR-based experiments...experiments with varying burden across ancestries. Sean A Misek, Aaron Fultineer, Jeremie Kalfon, Javad Noorbakhsh...

...generally referred to as Antigen Retrieval. I chose not to get into antigen retrieval here because it’s not quite...permeabilization reagents are detergents, such as Triton X-100, Tween-20, or saponin. Each detergent has...membrane-associated proteins in place. In contrast, Triton X-100 and Tween-20 are examples of non-ionic detergents...Permeabilizing with a non-ionic detergent, like Triton X-100, can lose membrane-associated proteins, but...

...This post was contributed by Kusumika (Kushi) Mukherjee, a Postdoc at Massachussetts General Hospital...patients with skin disorders for research and clinical trials, as it allows access to a larger number of willing...phenomenon has been recorded in past gene therapy trials and remains a safety concern in the clinical field...Furthermore, working with Sendai virus requires stringent biosafety measures, thereby increasing the costs...Using Serial Plating of Reprogrammed Cells by Centrifugation. Stem Cells Int, 2016. 2016: p. 1329459. PubMed...

...controlled by collections of neurons that are intricately wired into circuits through synaptic connections...weakly expressed. As these epitopes tags have no intrinsic visual signal, they cannot be detected directly...neurons. As compared to epitopes tags, FPs are intrinsically fluorescent and can therefore be used in live... interactions. Also, overexpression of FPs can trigger protein aggregation which is toxic for the cells...darkened chromophores. These probes are both intrinsically fluorescent and can be detected with highly ...

...This post was contributed by Katherine Rogers, a postdoctoral researcher at the Friedrich Miescher Lab...processes—not just development—are available from strain distribution centers in the US, Europe, and China. In addition...pathways—such as those regulated by one-eyed pinhead—contribute to the “sculpting” of tissues and organs during...Katherine W. Rogers is a postdoctoral researcher in Patrick Müller’s group at the FriedrichMiescher Laboratory...El-Brolosy, Mohamed A., et al. "Genetic compensation triggered by mutant mRNA degradation." Nature 568.7751 (...

... Weakly electric fish are excellent systems to study for convergent evolution because electric organs ...leave them to their own devices. Chytrid fungi (Lillian Fritz-Laylin) Chytrid fungi are useful for the study...but there are few genetic tools currently for terrestrial frogs. Cnidarian-Dinoflagellate symbionts (Virginia...

...It is also worth noting that plasmids can be symmetrically incompatible, meaning that both plasmids are... from the cell with the same probability, or asymmetrical, where one plasmid lost from the cell at a higher... higher rate than the coresident plasmid. Asymmetric plasmid loss occurs for several reasons, including...high copy incompatible plasmids that lead to asymmetrical plasmid loss of the usually large, low copy ...: 15916596 Kamruzzaman M, Shoma S, Thomas CM, Partridge SR, Iredell JR (2017) Plasmid interference for...

... This post was contributed by Ryan Watkins, Professor at George Washington University and developer of...may also benefit, such as researchers in other countries or ot­her disciplines, are even less likely to...research from other disciplines, or from other countries, to explore new connections to our research. So...hours of video were watched each month, in 39 countries, and in over 54 languages. While most scientific...citation rates to measure the impact of their contribution. It offers a 5-step process and several examples...

...This post was contributed by ATCC Outreach Scientist Nick Amiss. Cell culture in the present day Cell...major cell lines on public databases. Image attributions (from top to bottom) Database Center for Life...culture outlined in this article. Now many journals strictly require evidence of cell line provenance and identity...Nature Publishing Group recently reiterated its strict stance on the matter. Funding bodies such as the... at LGC Group, London, which is the European distributor for ATCC. He studied biochemistry at Warwick ...

...This post was contributed by guest blogger, Stephanie Hays, a scientist with a passion for photosynthetic...States government? Politics and science are intrinsically linked: governments exist in reality and science...said, government must have the same fundamental attribute that enables science: “humility in the face of...supporting many different positions. It would be detrimental for them to be homogenized or thought of as just...Scott Pruitt says carbon dioxide is not 'primary contributor' to global warming The New York Times: With Trump...

...DNA, important when trying to cut with certain restriction enzymes (ex: ClaI or XbaI) dcm DNA cytosine...DNA, important when trying to cut with certain restriction enzymes that are methylation sensitive. dnaJ...relA1 Relaxed phenotype, mutation eliminating stringent factor Allows RNA synthesis in absence of protein...plasmid maintenance, blue/white screening, partly restriction-deficient; good strain for cloning repetitive...methylated, allows for methylation sensitive restriction enzymes to cut the plasmid after preparation....

...labs have deposited plasmids to Addgene and we distribute over 130,000 plasmids in 2014. Thus, we are in...on CRISPR technology, for example, the authors Patrick Hsu, Eric Lander, and Feng Zhang acknowledge the...accelerated through a combination of open-source distributors such as Addgene, as well as a number of online...with data comparing Addgene global deposit and distribution trends for Zinc Finger, TALE, CRISPR, and SynBio...

...announce that we recently acquired the ability to distribute plasmids with the piggyBac™ transposon. These...piggyBac™ transposase (available from a licensed distributor) allow you to quickly transfer a DNA sequence...transposon vector to one of many TTAA sequences distributed throughout the genome. We encourage you to deposit...expand this useful resource. While Addgene cannot distribute plasmids with the piggyBac™ transposase itself...from the folks at Transposagen. This post was contributed by Amar Singh and Mathew Goodwin from Transposagen...

...preparation for our upcoming affinity reagent distribution launch - and we're excited to say our long naming...to help us with our upcoming affinity reagent distribution launch! There was only one problem - we didn't... biggest discovery yet: Addgene will soon be distributing affinity reagents. Name Our New Antibody Friend...luck and happy naming!   Fig. 2: The mascot trio!     ...

...This post was contributed by guest blogger Eleanor Wang, a Research Specialist in Patrick Hsu's lab at ...problems. Biomedical research, for instance, contributes heavily to medical practice, and understanding... and applied. The current pandemic serves as a striking example of the applicability and importance of...Eleanor Wang is currently a Research Specialist in Patrick Hsu’s lab at UC Berkeley. She will be starting ...