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...without a DNA double-strand break. But base editors aren’t perfect. They may be slow, can only target certain...culture). This dilution step represents the major difference between PACE and PANCE: for PANCE the phage progeny...editor activity and editing speed. Created with BioRender.com. Introducing ABE8e - a fast and flexible ...much more efficiently and in more contexts. References Gaudelli NM, Komor AC, Rees HA, Packer MS, Badran...

... biosensor - IISER Bhopal is back in the SynBio arena this year with a fresh team of twenty excited undergrads...extremophiles to survive under these conditions are currently unknown, and it’ll undoubtedly be quite a while...to guess. Think about it like winter tires in different conditions: the more flexible rubber of winter...spirit of scientific innovation amongst school children through summer workshops and interactive discussions...

...variety of educational programs all focused on current questions and experiments in the field of synthetic...adapted from her own MIT curriculum. Drawing on current questions being asked in MIT’s research labs, BioBuilder...exploration, discovery, and collaboration. One module currently under development comes from the Caltech lab of...students include The BioBuilder High School Apprenticeship, preparing local (Massachusetts), economically...

...AAV8) enable different patterns of transduction and transgene expression across different cell types (.... Top AAV: pAAV-hSyn-DIO-hM4D(Gi)-mCherry Our current AAV inventory consists almost entirely of viruses...visualizing hM4D(Gi)-mCherry in fixed tissue. References 1. Aschauer DF, Kreuz S, Rumpel S. Analysis of...

...widely utilized across many different cell types and each one requires different elements for vector propagation...Instead, the size and A-T content of the DNA (apparently independent of a known specific sequence) dictate...auxotrophic markers and includes the associated references.  Yeast selection marker What does the marker...

...formal mentoring program at my company, but there weren't enough senior people willing to step up and be ...hundreds of mentoring groups through my work with the renowned Healthcare Businesswomen’s Association (HBA) Boston...commitment of a formal mentoring relationship or there aren’t enough senior mentors available to go around. My...these criteria. If you can, include people from different labs, departments or organizations as it brings...

...stem cells edited to carry mutant versions of 15 different disease-associated genes. Addgene spoke to Musunuru...mutations. Once that's done in stem cells, we can differentiate those mutant and wild type stem cells into any...all have the mutations but they will also have different genetic backgrounds. It becomes more of an apples-to-oranges...suggest TALENs may be cleaner than CRISPR/Cas9. Reference: Quirong Ding et al. "A TALEN genome-editing system...

...libraries consist of a single mixture of many different plasmids. Plasmids within a given library have...Screening libraries (non-CRISPR) can be used for different types of high-throughput experiments, including...deletions in targeted genes across the genome, rendering them nonfunctional. Activation : CRISPR activation...Screening libraries (non-CRISPR) can be used for many different high-throughput experiments. They are useful for...identification of the shRNA a given cell carries. Addgene currently does not distribute any shRNA libraries, but previously...lentiviral or DNA-based screens. Created with BioRender.com. Types of Pooled Library Screens In pooled lentiviral...responsibility of the researcher. Created with BioRender.com. Both positive and negative screens follow the...

...sixty seconds of silence–but it was thorough and coherent.  To be honest, if my paper hadn’t been ridiculously...to stop talking until I could present something coherent or to quickly string together all the words that...screeching feedback. You’re muted on Zoom. Your video conferencing software freezes and then crashes. You’re muted... a clear, informative presentation, speak at conferences, or even just provide quick updates during a ...

...if you need a very pure sample. Because binding strength is proportional to the length of the tag, with...Antibodies.) Unfortunately, for some proteins there just aren’t any good antibodies available. In these cases, ...antibody posts from our blog!  Resources and References  Resources on addgene.org Addgene Antibody Guide...ChIP Antibodies 101: Introduction to Antibodies References Hochuli E, Bannwarth W, Döbeli H, Gentz R and...

...mammalian systems has been in question. Three different labs have recently published work that provides... gene activation  and base editing, whereas a different set of mutations (the “V3.1” version) works best...miniature Cas system that utilizes a Cas12f from a different species, Acidibacillus sulfuroxidans, AsCas12f1...of up to 10kb but it is also capable of coding concurrent small insertions to allow in-frame deletions ...

...extra care when performing RNA extraction. RNA is inherently not as stable as DNA- it is single stranded and...ultracentrifuge.  Figure 1: An outline of the different steps in RNA extraction. Researchers at the... Reagent®, RNAzol®, QIAzol®  and sold by many different companies). TRIzol® is an all-in-one acid-guanidinium-phenol... ensure DNA contamination is not an issue.  References                 Allewell NM, Sama A (1974) The...

... vector team is publishing research, hosting conferences, and are expanding our catalog of materials to...appearance and functionality are happening and this strengthens our image in the world. Addgene is now as much...practices and benefits and these are making a difference. We serve scientists around the globe and our...Thanks to all the Addgenies and congratulations to current and alumni Addgenies on our success. Thanks to ...

...antibodies Conventional antibodies are a non-renewable reagent - Their production requires animal sacrifice...produce - Hybridomas offer an alternative and renewable source of monoclonal antibodies, but they are ... their use. Each RANbody is detectable by two different tags: a reporter and an HA tag. The reporter comes... link to its sequence in the comments below. References Sanes, J.R., & Yamagata, M. (2018). Reporter-...

...SciComm by doing SciComm Writing had always been a strength of Susan’s, but she didn’t know if she liked science... of a team.” It took her two years to find her current position at Fred Hutch because her skill set wasn...connections she made through this program lead to her current job. “One of my colleagues in the class was like...Hutch magazine. Getting pulled in all of these different directions is sometimes at odds with the space...

...but where the kinases are located, their signal strength, and how long their signals last all impact transduction... or “on.” Dronpa’s color thus indicates MEK1’s current state (Green when off, dark when on). Figure 1...function of the protein and pdDronpa are preserved. References 1. Zhou, Xin X., Linlin Z. Fan, Pengpeng Li, ...28232577. Figures 2-4 were modified from this reference. 2. Regot, Sergi, Jacob J. Hughey, Bryce T. Bajar...

...the target strand and the gRNA. Created with BioRender.com. To decrease the electropositivity of the...mutations). Although the precise mutations were different than those found in eSpCas9, the effect on specificity...and/or therapeutic settings. Will combining the different mutations found in each of these great tools further...continued improvements in genome engineering! References 1. Slaymaker, Ian M., et al. "Rationally engineered...

...scientific manuscript will require numerous other references to scientific literature to substantiate the ...literature related to the topic. Finding reliable references and sorting out what they mean is no small task...focus in on a particular conclusion. Many papers aren’t always written this way and there is a greater ...inspiration and accountability. There are a few different ways to automate the process as well. Sign up ...

... Molecular Biology Reference Molecular Cloning Techniques MoClo Guide Modular...efficient method for creating many plasmids from different combinations of a common set of components (Weber...including constitutive promoters, T7 expression, RBS strength variants, synthetic terminators, protein purification...plasmids including 11 inducible promoters, 16 RBS strength variants, 8 tag-compatible RBSs, 2 secretion tags...reconstituting the ubiquitination cascades of different organisms in E. coli . MetClo DNA Assembly Kit... for creating fusion proteins for use in many different model organisms. Diatom uLoop Assembly Kit Other...including diatoms, yeast, plants and bacteria. References and More Resources Guide to DNA Assembly Techniques...

...without permanently altering the DNA, CRISPR interference (CRISPRi) and CRISPR activation (CRISPRa) are...study ncRNA, CRISPR systems offer a number of different options. By carefully considering your ncRNA of... you more about its function.  Resources and references Resources on addgene.org Addgene's CRISPR Guide... CRISPR enzymes for transcriptome engineering References Jinek M, Chylinski K, Fonfara I, Hauer M, Doudna...