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  1. 9 Tips to Achieve Success in Academia

    Type
    Blog Post
    ...eyes to the many different jobs associated with science, especially if the conference is a big multidisciplinary...curious and interdisciplinary.   3. “There are many different ways to succeed – as loner or gregarious;  dictator...leaving academia should present their research at conferences to obtain a “crash-course in all the real life...
  2. Lentiviral CRISPR Libraries Enable Genome-Scale, Knockout Screening

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    Blog Post
    ...online on Addgene's CRISPR Library Reference page.    References: Genetic Screens in Human Cells Using...as an answer to that question. Additionally, a concurrent Nature Biotechnology article describes the development...GeCKO library, each library has been enriched for different gene targets. These pooled libraries include enrichment...
  3. CASTing Off for New Shores in Human Genome Editing

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    Blog Post
    ...of gene editing. Bon voyage!   References and Resources References Gelsinger, D. R., Vo, P. L. H., Klompe...downstream of gRNA-specified sites. Created with BioRender.com. CASTs quickly became popular bacterial ...allowed certain mutated phages to outcompete their brethren, and the researchers isolated these more efficient...
  4. Five Questions to Ask If You're Deciding Between a Master's or PhD Program

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    Blog Post
    ...but in time I realized its value. My master’s strengthened my critical thinking and problem solving abilities...along a career path in these two fields looks different however. In industry the career ladder is larger...training can prepare you to present your work at conferences, help with manuscript and grant preparation, ...generalist? Working on a variety of projects and in different fields of research is one of the best parts of...
  5. Plasmids 101: Walkthrough of Addgene’s Snapgene-Powered Quality Control Process

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    Blog Post
    ...compare and analyze any differences between our sequence results and the reference sequences. Using Snapgene...features To align NGS sequencing results with reference sequences To design experiments for further plasmid...Additioinal Resources on Addgene.org Molecular Biology Reference Pages Basic Molecular Biology Protocols Diagnostic...
  6. ReFigure: Save Scientific Figures into Dashboards and Share Your Insights

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    Blog Post
    ...Side-by-side comparison of the same experiment from different cell lines/model systems ReFigure allows you ...access life sciences data. You can use ReFigure to coherently save analyses with the relevant figures from ...submitting your data to a repository (Figshare is currently supported by ReFigure beta) you can include it... in a few minutes, visit our YouTube Channel. Currently we can only connect figures from PubMed Central...
  7. Early Career Researcher Toolbox: Free Online Molecular Biology Tools

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    Blog Post
    ...general primer design, as well as primer design for different cloning applications. Primer3 and Primer3Plus...calculate how much insert and backbone you need for different types of cloning methods, such as restriction ... any cloning method. You can select from five different insert:backbone ratios. In-Fusion cloning molar...Resources on Addgene.org: Read our Molecular Biology Reference Find molecular biology protocols Browse our protocol...
  8. Plasmids 101: Gene, enhancer, and promoter trapping

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    Blog Post
    ...tools for your next experiment! References and Resources References Wood, V., et al., Hidden in plain...this many genes are truly dispensable or are the current identification methods missing something? Here ...an endogenous gene. Each trap uses a slightly different approach (described in detail below), but fundamentally...
  9. Chemogenetics vs. Optogenetics: Which Method Should I Choose?

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    Blog Post
    ...similar purposes, both techniques offer researchers different advantages and limitations.  The four main factors...study. Figure 1: A schematic showing the differences in chemogenetics and optogenetics in a mouse ...manipulated or turned off. In chemogenetics, while different concentrations of ligands can be injected, this... article and sharing their expertise with us. References Urban DJ, Roth BL (2015) DREADDs (Designer Receptors...
  10. What's the Best Way to Elute and Store Your Plasmid DNA?

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    Blog Post
    ...buffer, or some other variations. Does it make a difference? Short answer: yes. This last step will influence...preparation can be eluted in water or in your buffer of preference, and it will be stable for years. Plasmid DNA...choose the best way to store and elute the DNA. References Murakami M (2013) Evaluation of DNA Plasmid Storage... Addgene.org Check out the Molecular Biology Reference Find protocols on plasmid cloning Find plasmids...
  11. The Open Repository of CRISPR Screens: CRISPR Screen Data in One Place

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    Blog Post
    ...Open Repository of CRISPR Screens BioGRID ORCS currently houses over 890 CRISPR screens in 629 cell lines...community, but also allows cross-interrogation of different datasets that might otherwise be hard to identify...breast cancer" returns 40 screens performed in 26 different breast cancer cell lines. Screenshot updated 2024...to analyze raw sequence data.  This format is inherently flexible and allows the broadest possible scope...
  12. Viral Vectors 101: Parts of the AAV Packaging Plasmid

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    Blog Post
    ...RepCap plasmid and its products. Created with BioRender.com   Replication (rep) gene The rep gene encodes... proteins. Alternative splicing generates the different C-terminal regions of the Rep proteins. While ...serotypes are responsible for serotype-specific differences in tissue and/or cell type tropism. Introducing... learn more about the AAV transfer plasmid! References: Naso MF, Tomkowicz B, Perry WL III, Strohl ...
  13. Sleeping Beauty Awakens for Genome Engineering

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    Blog Post
    ...transposase has been discovered in the genomes of many different fish species in a variety of non-functional forms... vectors were developed into 16 variants with different selection markers (blasticidin, neomycin, puromycin... each contain two SfiI restriction sites with different overhangs depending upon whether they are on the...only likely to grow in the coming decades.  References 1. Kowarz E, et al. Optimized Sleeping Beauty...
  14. Viral Vectors 101: Transductions

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    Blog Post
    ...transductions. If you’ve ever wondered how they are different from or similar to the other Ts, we have your ... and with the right safety considerations, they aren't dangerous for controlled lab usage. Using viral...that you can swap out your virus type to achieve different biological outcomes. For example, some viruses...target cells or organism, some primary cells and differentiated cell types are picky when it comes to transfection...
  15. New and Upcoming Viral Vectors - Spring 2019

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    Blog Post
    ...calcium sensors, different iGABASnFR have been developed and are suited for different applications. The... a few versions of these jGCaMP7 sensors with different properties (for example, overall brightness or...on/off kinetics) that makes them suitable for different applications. We recently released a new variant...
  16. Fluorescent Biosensors for Measuring Autophagic Flux

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    Blog Post
    ...of autophagosomes. This approach, however, has inherent limitations because it turns a dynamic process...provide an overview of four autophagy biosensors currently available from Addgene. Rosella autophagy biosensor...wavelength, Keima emits at 620 nm. The ratio of signal strength excited at 586 nm to 440 nm serves as a measure...Find the GFP-LC3-RFP-LC3∆G plasmid at Addgene! References Klionsky, Daniel J., Ana Maria Cuervo, and Per...
  17. A New Optogenetic Tool Based on AraC Controls Gene Expression with Blue Light

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    Blog Post
    ...Khammash lab can also be found here.   References and Resources References Romano E, Baumschlager A, Akmeriç...functional BLADE variants, too. The team tested different linkers between VVD and the DNA-binding domain... Addgene.org Check out the Molecular Biology Reference Download Addgene's Plasmids 101 eBook ...
  18. What Do I Do Now? Academic v. Non-Academic Career Decisions

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    Blog Post
    ...pace Constant worry about grants and renewals What is different about non-academia? Scientific publications...interact with scientists just like you What is different about academia? Publishing in peer reviewed journals...especially with peer mentors, to discuss your strengths, weaknesses, interests and passions is another...
  19. Plasmids 101: A Brief History of Plasmids and an Improved eBook!

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    Blog Post
    ... the same. Over the next few years genes from different bacterial (and eventually mammalian) species were...ubiquitous tool that can be diversely applied to many different experiments. Addgene was founded in order to store... keeping with our goal of creating a one-stop reference guide for plasmids we've updated and added new...: 24043817. PubMed Central PMCID: PMC3785787. References: Lederberg, Joshua. "Cell Genetics and Hereditary...
  20. 5 Uncommon Ways to Gain Career Skills During an Uncommon Time

    Type
    Blog Post
    ...hiring a scientist. Of course, we have different criteria for different roles but for almost every position...contacting alumni of your lab or university or use your current contacts to ask who they might suggest you speak...effectively is a valuable skill. There are many different kinds of grants that you can apply for. If you...
  21. Unique and persistent IDs for improved reproducibility: Addgene now supports RRIDs and compact identifiers for all plasmids

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    Blog Post
    ...identifiers (PIDs), a long-lasting way to identify and reference documents, files, or physical reagents. What ...you, we’ll go through examples to highlight the difference between them using a plasmid available through...the lenti-Cas9-VQR plasmid page. Despite their differences, both of these PID formats for lenti-Cas9-VQR...managed by Addgene. How to cite options using the different PID formats The instructions for how to cite any...
  22. Crowdfight, a Platform to Boost Scientific Collaboration During COVID-19 and Beyond

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    Blog Post
    ...principal investigators. They also come from many different scientific fields, from social sciences to biology.... We now want to use this potential to make a difference not just against COVID-19, but also in other ...scientist, and proud member of Crowdfight. He is currently based in Spain and works on climate change. You...one of the coordinators at Crowdfight. She is currently based in Spain and works in the field of genetics...
  23. Photosensitizer Induced Cell Ablation with FAP-TAP MG-2I-dL5**

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    Blog Post
    ...light-induced cell ablation with MG-2I-dL5** in two different experimental settings: HEK293 cell culture and...these experiments because developing embryos are transparent, so it’s easy to watch development in real time...using photosensitizers in the comments below!   References 1. He, J., Wang, Y., Missinato, M. A., Onuoha...Chromophore-assisted laser inactivation in cell biology. Trends in Cell Biology,18(9), 443-450. doi:10.1016/j.tcb...
  24. Cultivating Community Science at BosLab

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    Blog Post
    ...diverse range of projects at BosLab. Some are entrepreneurs using our space to perform early-stage experiments...yeast transformations! Dennis Oleksyuk, Raphael Laurenceau, and Tami Pudina have initiated a soil microbiome...the data to characterize the microbiomes of the different samples. The goal is to not only learn something...something about the microbial diversity in different soil conditions/locations but to engage the local community...
  25. Advice for Scientists Starting a Lab

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    Blog Post
    ...personal assistant has to deal with. My inbox currently stands at about 65,000 messages and dealing with... lab and safety manager, researcher, adviser, conference planner, and writer.” Connie Cepko was surprised...every graduate student or postdoc may require different types of mentoring. Some mentees prefer lots of...impossible' or useless.” How do you run your lab differently or the same as your adviser did? Tom Ellis merges...
  26. Antibodies 101: Flow Cytometry Controls

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    Blog Post
    ..., without the FMO, it would be difficult to differentiate the Ly6C negative population from the Ly6C positive...like for a particular marker, you can use the reference plots provided by the antibody companies or check... use the APC IgG2c isotype control). The only difference is that the isotype antibody will not target ...CD8+ T cells and cancer immunotherapies. She is currently a research technician in Arlene Sharpe's lab at...
  27. Clear and Accessible Writing

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    Blog Post
    ...Which is why, at the Society for Neuroscience conference in November 2023, we hosted our very first professional... who is my audience, and what do I want to be different for them when I’m done? What are we trying to ...    Here, this image is being used to convey the difference between a gradient tube before and after ultracentrifugation... For instance, you would present information differently in a poster compared to an online abstract or...
  28. Viral Vectors 101: Types of viruses

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    Blog Post
    ...high and your immunogenicity low! References and Resources References Robinson HL. Retroviruses and cancer...infect humans and some other mammals but is not currently known to cause any diseases. Recombinant AAV largely...excellent features for human gene therapy and is currently being used in clinical settings. AAV is also ...
  29. Sharing is Caring: But How to Distribute Open Hardware?

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    Blog Post
    ...next few years, with the goal of creating more transparent and reproducible science in the long run (Hohlbein...problem-solving platforms.     Fig. 3: Different workflows involved in sharing open hardware. Upper...microscope. Lower left panel shows an image of differentiating monocyte with planes and hardware to it. Right...image processing and low-cost optical setups. References Joel T. Collins, Joe Knapper, Julian Stirling...
  30. Synthesized by Ginkgo Bioworks, Shared by Addgene: SARS-CoV-2 Plasmids for Many Expression Systems

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    Blog Post
    ...mission. In no situation is this more true than the current global pandemic in which scientists race to find...from Ginkgo Bioworks are available for request? Currently, plasmids containing all SARS-CoV-2 protein coding...requested the plasmid. By leveraging our core strengths of intensive screening and the use of high throughput...Visit our COVID-19 Plasmids and Resources Page! References Fukushi S, Watanabe R, Taguchi F (2008) Pseudotyped...
  31. Expanding the Targeting Scope and Editing Efficiency of Adenine Base Editors

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    Blog Post
    ...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...
  32. Developing a cold tolerant E. coli using specialized chaperones

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    Blog Post
    ... 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...
  33. Top Requested Lentivirus and AAV of 2016

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    Blog Post
    ...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...
  34. A Deep Dive into BioBuilder

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    Blog Post
    ...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...
  35. Plasmids 101: Yeast Vectors

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    Blog Post
    ...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...
  36. Form Your Own Peer Mentoring Group: A How-To Guide for Scientists

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    Blog Post
    ...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...
  37. Kiran Musunuru on the Newest TALEN Genome-Editing System

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    Blog Post
    ...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...
  38. Celebrating 15 Years of Scientific Sharing

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    Blog Post
    ... 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 ...
  39. What's New in CRISPR - November 2021

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    Blog Post
    ...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 ...
  40. RANbodies: Reporter Nanobody Fusions

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    Blog Post
    ...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-...
  41. Oh, The Places You Can Go: Careers in Science Communication - Writing for a Research Institute

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    Blog Post
    ...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...
  42. Transferable Skills Guide: Public Speaking

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    Blog Post
    ...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 ...
  43. To Each HIS Own

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    Blog Post
    ...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...
  44. RNA Extraction Without A Kit

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    Blog Post
    ...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...
  45. Lighting Up Cell Signaling with Photoswitchable Kinases

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    Blog Post
    ...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...
  46. Enhancing CRISPR Targeting Specificity with eSpCas9, SpCas9-HF1, & HypaCas9

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    Blog Post
    ...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...
  47. Giving gRNAs a Facelift - Synthetic and Beyond

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    ...experiment moving. Happy editing! References and Resources References Hendel, A., Bak, R., Clark, J. et...talk about their precious RNA samples. RNA is inherently less stable than most macromolecules used in ...region of the gRNA. These gRNAs can be cleaved and rendered useless after less than a minute of exposure to...
  48. Writing Scientific Manuscripts: Literature Searching, Reading, & Organizing

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    Blog Post
    ...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 ...
Showing: 601 - 650 of 1014 results