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...Aneesh's research interests include proteomics, machine learning, and visualization for big biology. GPS...: the enhancers! This leads us to a three-step approach for designing an experiment to identify the critical... bit of stochastic magic and Poisson statistics, each sub-population has, on average, one distinct enhancer...know that this matter exists, but traditional approaches to study its function have been prohibitively... (loops) and tertiary structures (globules) to achieve exquisite compaction—on the order of 700 terabytes...collaborative database. Aneesh's research interests span machine learning, proteomics, and user interfaces for math...

...travel to Addgene's headquarters in Watertown, Massachusetts, for the occasion! Addgenies enjoying the ...makes Addgene — well, Addgene. We're so grateful for each and every one of you!  Throughout the party, we ...majority of the time was spent with Addgenies meeting each other's friends and families, eating delicious food... the party was to celebrate the contributions of each and every Addgenie, from our co-ops to our directors...  Rachel Leeson...

...patient's specific mutations. With a drag and drop approach, however, the specific mutations wouldn’t matter... the entire gene, allowing a one-size-fits-all approach to gene replacement therapy for most patients....PASTE). Finding the right integrase for this new approach proved a challenge. The old standby of CRE/flp...system wasn’t dependent on the cell’s intrinsic machinery being already activated to work. (It was also ... cells. Moreover, they optimized the specific attachment sites via sequence engineering, enabling even... Rachel Leeson...

...overcome for both of these approaches, such as delivery of the editing machinery to the brain, minimizing...highlights some of the latest breakthrough therapeutic approaches. What is Rett Syndrome? Caused by a mutation ... how to deliver the precise amount of protein to each brain cell to restore physiological levels. Much...Taysha Gene Therapies, founded on Gray’s work, are each expected to advance their respective gene therapies...editase repaired half of the mutant MECP2 RNA in each of three neuronal subtypes of the hippocampus. This...

...germline genome editing, but in vivo gene editing approaches have been limited by problems with Cas9 delivery...packaging capacity of AAV (~4.7 kb). While this approach has been proven feasible, it leaves little room...potent Cas9 protein, the Zhang lab took a different approach. They analyzed over 600 Cas9 orthologs and found...effects of SpCas9 and SaCas9, Zhang’s group used an approach called BLESS (direct in situ breaks labeling, ...allowing them to be packaged in AAV.   Split AAV approaches  While finding smaller Cas9 orthologs works for...break a large transgene in two pieces and package each piece into an individual AAV. When a cell is transduced...

...released from the DNA once the replication forks reach each other on the opposite end of the chromosome, ...plasmids rely on their host cell's replication machinery in order to replicate—but not always to the same..., as they only require the host's replication machinery for elongation and termination. These types of...a DNA polymerase synthesizes a new DNA strand at each replication fork. Termination sequences present ...average copy number for a given plasmid has been reached, negative feedback circuits reduce replication ...

...studies. We made a table that listed each protein in the class, then for each protein we listed all the studies... ready to write. What actually happened was that each paper taught me a few things and also highlighted...also added citations in real time as I wrote, so each statement was referenced even in the roughest version... data. For example, we summarized how frequently each member of a class of proteins was mutated, as reported...useful because you could easily see how frequently each protein was mutated, you could see how big the studies...

...uptake, but this approach requires compatible cell lines that express viral machinery. Alternatively, ... will be recognized by its host’s replication machinery. A shuttle vector designed for unrelated bacteria...nutrient. The vector provides the missing synthesis machinery, and the cells are switched to minimal media, ...individual analysis. A shuttle vector designed for this approach in a mammalian cell experiment should still include...transfection into producer cells, which have the machinery to manufacture infectious viral particles. Those...

... in reality much of our research still fails to reach our primary target audience – colleagues in our ...our work. We therefore must discover new ways to reach our colleagues and other interested audiences quickly...for example, 3 billion hours of video were watched each month, in 39 countries, and in over 54 languages...overviews was growing quickly. Taking what I loved from each of these platforms (such as social networking, visual...the mobile version of site, researchers can also reach new audiences that may never access online journals...journals and expand our ability as researchers to reach new audiences that may otherwise never learn from...

.... Chapter 2 - Getting high school students and teachers interested in JEI (the importance of word of mouth...mission and how they assess whether or not their achieving it. Chapter 5 - JEI's future - getting more involved... high school student researchers Arooba Ahmed, Jiachen Lee, and Jillian Parker who published their work...,Olivia Ho-Shing, Mark Springel, Arooba Ahmed, Jiachen Lee, and Jillian Parker! Special thanks to our ...education resources Use our Plasmids 101 eBook to teach students about basic plasmid biology Use or CRISPR...

...calculator uses to give you the μl needed of each plasmid. Each part of the equation is labeled with its ...to any experiment and can help prevent future headaches. To help you plan PEI transfections for AAV packaging... spreadsheet will calculate the following μg of each plasmid needed per dish or stack. Calculations are...or 2500 μg of plasmids per CF5 stack. Total ug of each plasmid needed for the whole experiment Total volume...

...cofactor that in its active form is covalently attached to the active site of key metabolic enzymes including...that consists of four identical subunits that can each bind one molecule of biotin. Biotin and avidin have...Southern/Northern blotting Cell surface labelling Attaching polypeptides to a substrate Flow cytometry/fluorescence-activated...Photobiotin acetate consists of a biotin molecule attached to a photoreactive arylazide group. Under strong...methods. Scientists have commonly used this method to attach proteins or polypeptides to a solid substrate (... & Cronan, J. E. “Molecular Biology of Biotin Attachment to Proteins; Symposium: Nutrition, Biochemistry...

...1: Indirect detection of target markers can be achieved through two-protein labeling by utilizing(a) biotin-streptavidin...e.g., for cellular activation. In addition, FACS achieves greater purity of your sorted cell sample than...molecule fluorescent and membrane-impermeant. With each cell division, the (invariant) amount of dye is ...proliferation between cell populations can be visualized, achieved through, for example, a previously induced gene...proliferative capacity and speed of cells. (a) With each division half of the dye molecules are lost and ... your marker of interest. Indirect labeling is achieved through protein-tag or protein-protein interactions...

...march motivates more scientists to reach out to their communities, to teach, to write, to make art, and to...them. This, when paired with long-term science outreach, may have the most profound impact (15). Diversity...promises more cuts (3, 12, 13, 27). In order to achieve the breakthroughs, technologies, and treatments...provide a snapshot into the opinions or research on each topic. Resources for marching and advocacy If the... Rush Holt: Lawmakers need to use a scientific approach to formulating views Pew Research Center: Public...

...to measure the frequency of each variant during the selection process. Each variant is assigned a functional...used to create mutational scanning libraries. While each of these methods works well to generate libraries...technique described in Wrenbeck et al is a PCR-based approach for generating a customizable comprehensive mutagenesis...mutations into the newly synthesized DNA strand. Each degenerate primer set contains three consecutive...ratio is used to promote annealing of one primer to each template. The PCR product is then column purified...

...ending the day with 1,000,002 plasmids shipped. Reaching one million plasmids shared might have you wondering...every day. That would be an average of 673 plasmids each day. This requires tremendous coordination amongst...researchers. Assuming 5 hours of hands-on time to make each plasmid, we would have saved 5 million hours through...colossal 547 years! While we are very excited about reaching this milestone, it wouldn’t have been possible...distributing ready-to-use viral preps in 2016 and we just reached our 10,000th viral vector shipped! In the upcoming...

...the brain difficult. Traditionally, delivery is achieved through the use of invasive methods, limiting ...control of transgene expression or activity can be achieved using switches, including riboswitches and optogenetic...2023; Hinderer et al, 2018). The optimal dose for each particular experiment is determined by the capsid...deposited by the Gradinaru lab. For simplicity, in each section we’ll list the Gradinaru capsids first, ...and happy transducing! This post was written by Rachel Leeson, with significant contributions from Cynthia...Daigle, T. L., Sedeño-Cortés, A. E., Walker, M., Kalmbach, B., Lenz, G. H., Morin, E., Nguyen, T. N., Garren... W. R., Fish, K. N., & Pfenning, A. R. (2022). Machine learning sequence prioritization for cell type-...

...making it very useful for genetic engineering approaches. Most importantly for this technology, however...transfections and are therefore virus-free. This is achieved using the piggyBac™ transposase, which facilitates...using the piggyBac™ transposase. This can be best achieved by utilizing a piggyBac™ transposon in a donor...the piggyBac™ donor is used by the cell’s host machinery for DNA repair by homologous recombination, which...ssODN) as the donor [6]. The problem with this approach is that, since there is no selection, you will..., while avoiding the pitfalls common to other approaches. Many thanks to our Guest Bloggers Amar Singh...

...In an era where millions of people hold a PhD, achieving our career goals can be a real challenge. On top...international mentor creates a closer and more approachable relationship for the mentee, where (s)he feels... hinder them from advancing their careers and achieving success.” Pedro Gonzalez Menendez (Mentee IMP ...Universities in USA and Europe (Harvard University, Massachusetts Institute of Technology, Boston University, ...compared to their pre-program self-assesment. Achievements directly attributable to participation in the...interested in breast cancer and metastasis as well as teaching and mentoring activities. Follow her on twitter...

...to further develop your transferable skills and reach your career goals.      Although myIDP is great...above). DePace holds yearly planning meetings with each trainee to create a supportive, growth-oriented ...planning meetings revolve around two simple worksheets, each of which is filled out separately by the trainee...available of in the supplement of this paper), help each person organize his or her thoughts to facilitate...the various sections, the trainee speaks first for each section, preventing the meeting from feeling like...