...chemical input to an RSM drives expression of a distinct large serine recombinase that recognizes its own...demonstrates an example of a register that enters distinct states when treated with different combinations...designs, we have observed that certain GRSMs may still not perform as expected, perhaps due to idiosyncrasies...the same gene regulation program. We recommend testing multiple register designs for the same gene regulation...described in the literature (5, 6) and may be substituted for one another in an RSM. The predictability...

...was fascinated by CRISPR and rushed to test it. I still remember the day, March 16, 2014, that I got my ... in to repair the damage. If all they can do is stitch the two broken ends together through non-homologous...transmission of the transgene, this technique is still in need of improvement. Also when working with CRISPR... discovered in an obscure bacterium and that we still have much to learn from biology in all its forms...editing.     Haoyi Wang is a professor at the Institute of Zoology, Chinese Academy of Sciences, and he...

... transcription factors, or when the gene is constitutively-active or a dominant-negative mutant. Reducing... TALENs, and ZFNs). However, several challenges still remain, such as making gene edits completely seamless...researcher may subsequently kill off any cells that still contain the donor plasmid after excision by PBx,... technology using a site-specific nuclease to stimulate homologous recombination and Footprint-Free™ removal...and I. M. Verma, “Functional Gene Correction for Cystic Fibrosis in Lung Epithelial Cells Generated from...

...Fellow in the Church and Collins labs at the Wyss institute for Biologically Inspired Engineering. Alex is...CRISPR during his postdoc 12:01 - 13:21 : The Wyss Institute for Biologically Inspired Engineering and why .... 13:22 - 22:07 : Alex's projects at the Wyss Institute - New CRISPR tools and the importance of moving...26 - 33:08 : Plans for future work at the Wyss Institute. 33:09 - end : How Alex hopes to help Addgene ...

...far? Do you have any suggestions for this year’s teams that may be procrastinating choosing their costume...these. Addgenies have been organizing Halloween festivities for years – searching our photo archives I found... ultimate prize – a glorious trophy. Sure it’s plastic and you have to share 1 trophy among 6 people, ...

...our in-stock service: ddPCR, purity testing, and sterility testing, plus viral genomic sequencing to confirm...webpage to get started with your browsing and requesting. If you’re curious about the service, read on...on Request AAVs are a big deal, so if you have questions, we have plenty of information available for you...

...service and is ready to use out of the box. We estimate that providing cloning grade DNA could save scientists...Plasmids offered as cloning grade DNA As we begin testing out this service, we’re starting with 210 plasmids...molecular biology experiments such as cloning, digestions, PCR etc. and/or directly long term storage. ...service in the future using the Cloning Grade DNA Suggestion Form.  Additional resources on the Addgene blog...

...hydrogen bonds and a base-pair size nearly indistinguishable from a Watson-Crick base pair, are joined ... ́-phosphate to the ligation). The structural/mechanistic reason for this differential is not known for...Despite this higher fidelity, Taq DNA Ligase can still detectably ligate many T:G, T:T, and A:C mismatches...In this method, substrate pools were prepared consisting of one target (template) strand and four upstream...Reaction Temperature Calculator can be used to estimate an appropriate incubation temperature when using...

...science policy career and this seemingly simple question is a moving target. There are a multitude of options...policy? I’ve intentionally started with the ‘who’ question because the science policy community is the best...start. What is science policy? THE IMPOSSIBLE QUESTION. Science policy is the work you do to creatively... I would argue that this is the most important question that you can explore. The answer will help you...interviews or essays. Note: the answer to this question may change over time and that’s perfectly normal...

...development of phage-based therapeutics. After a brief stint at the venture capital firm, Flagship Ventures, ...opposed to therapeutics 15:15 - 16:26 : Means for testing for pathogens in food products prior to Sample ... from developing therapeutics to developing a diagnostic? 36:53 - 38:00 : As an entrepreneur, is it more...Read Sample 6's Paper on Bacteriophage-based Diagnostics Additional Resources on the Addgene Blog Check...

...plasmids to more than 90,000 scientists at 5,200 institutions in 82 different countries. We continue to ship...plasmids, analyze QC sequence, answer scientists' questions, manage our website, and continue to improve the...plasmids. The partnerships and collaborations with institutions and tech transfer offices that facilitate MTAs...Sidney St, Suite 550A, Cambridge, MA 02139 Have a question? Email: [email protected] Call: +1 (617) 225...

...to be used as research tools is particularly interesting. Although humans have known about bioluminescent...bioluminescent organisms and their characteristic radiance for some time – there are records describing them dating...ring that glows with a faint green light. To investigate this green glimmer, Shimomura collected many,... Roger Tsien resulted in much of our current mechanistic understanding of GFP’s function. His lab described...

...proteins, so you can't distinguish the different proteins from each other. To distinguish different target ...inside the cells and are thus typically used for distinguishing live from dead cells. The combination of antibody-fluorophores...fluorophore? Strong brightness makes it easier to distinguish a signal from noise; therefore, it is recommended...Harvard Medical School. His projects include investigating negative regulators of T cells and cytokine ...

...microscope designs may further exploit the unique characteristics of fluorophores to block out of focus fluorescence...for a new sample I always start by asking two questions: 1) Is the sample dynamic or static? 2) Is the...the sample thin (< 15 μm) or thick? These questions will place each sample into one of four categories ...blurry out-of-focus light. The most difficult characteristic to capture in these types of samples is their...from a well-established microscopist at your institution when heading into a new set of experiments. ...

...Kathleen Ottina and David Sabatini at the Whitehead Institute and MIT, started with a list of 17 signaling pathways...representing core nodes that, when over-expressed, constitutively activated or inactivated the pathway. “The ...environments, for example. “We’ve been contacted by investigators all over the world who are interested to use...pathways. With support from the National Cancer Institute, they expect to add another 200 or 250 constructs...

...Maintaining Institutional Knolwedge and Continuity - SITN's key technique for retaining institutional knowledge...mosquitoes, allergies, & more! We briefly answer the question, will the effects of climate change make put Cambridge...junior and one senior.  To learn more about the STIN's podcast, email [email protected]    For more...

...                           National Institute for Physiological Sciences Broad Institute                                       ...Hospital                           California Institute of Technology             Johns Hopkins University...Academy of Medical Sciences University of Texas at Austin University of California, San Francisco  University...

... Twitter.” This paper addresses the following questions about scientists on Twitter: who are they? What...they are based on the US Occupational Employment Statistics (OES), but international Twitter users were included...orange)  scientists largely cluster by discipline, suggesting that scientists tend to follow scientists within...out the Top 50 Science Stars on Twitter Want suggestions on how to use social media as a scientist? Check...

... the panelists were interesting enough to make up for the somewhat naïve questions. During the panel, ...their seminal, cooperative paper in Science.  Interestingly, this project started with their labs studying...for billions of years (…) Bacteria are really sophisticated”.     New to CRISPR/Cas9 Technology? Learn ...

...mitigating noise generated by off target digestion. After MNase digestion, fragments are released from nuclei... DNA around the target protein. This targeted digestion is controlled by the addition of calcium, which...measure of DNA binding sites in combination with existing ChIP-seq data sets, of which there are many readily...