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  1. The Scientific Conference Poster Session: Tips for Success

    Type
    Blog Post
    ...fundamental takeaway. Writing these points will help you remember what to say and provide your audience with a clear...venue and professionalism of the conference, and remember to wear comfortable shoes, as you will likely ...your breath before diving in to the next figure. Remember your outline: Instead of getting bogged down in... the minutia or coming off as a broken record, remember the outline you created for yourself. Hit the ... Resources on the Addgene website Become of a member of the Addgene depositor community Learn about ...
  2. How to Be an Excellent Trainee

    Type
    Blog Post
    ... place, learning something new. So how can you remember everything? Write it all down! And I mean everything...second rack in the corner freezer sounds easy to remember in the moment….but you’ll probably forget and ...going to each space in order to double-check you remember where the equipment, reagents, and samples are...to ask! Especially for those new to the bench, remember to let your bench mentor know what you don’t know...polite, appreciative, and clear about their needs. Remember, your bench mentor’s training time is time set...
  3. Plasmids 101: Stringent Regulation of Replication

    Type
    Blog Post
    ...specific RNA site. The EMBO Journal, 17(17), 5201–5213. https://doi.org/10.1093/emboj/17.17.5201 del Solar...plasmid copy number. The EMBO Journal, 20(24), 7323–7332. https://doi.org/10.1093/emboj/20.24.7323 Resources...post was originally written by Jason Niehaus in December 2015 and was updated by Emily P. Bentley in June...
  4. What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program

    Type
    Blog Post
    ...pic.twitter.com/sIIoIsIFd1 — Henry Lab (@EvoEmbryo) September 24, 2018   Xenopus tropicalis (Gary Gorbsky..., mix them in a tank, and observe the beauty of embryo development in real time. I was already a biology...nucleus and put it in a fertilized egg to get edited embryos (replacing the nucleus is still very difficult)...female mosquitoes. Now they are trying to replace embryo injection (hard to do, expensive, not every lab...
  5. Transferable Skills Guide: Creativity

    Type
    Blog Post
    ...Anyone could fill out the form at any time and a member of our Business Development team would review it.... Identify your enemies In Felicia Day’s book Embrace your Weird, Day identifies nine enemies that stand...Frida Kahlo or you’re stuck drawing stick figures, remember your training as a scientist has been building...world. Penguin Publishing Group. Day, F. (2019). Embrace your weird face your fears and unleash creativity...creativity. Gallery Books. Boyes, A. (2019, November 13). 5 mental mistakes that kill your productivity. Harvard...
  6. Bioinformatics at Addgene

    Type
    Blog Post
    ...start using. Prior experimenting with open source assembly algorithms meant that we already had a clear idea... individual steps to automate plasmid sequence assembly, and possible solutions for each in the form of...quality score analysis, k-mer counting, or sequence assembly), but the order and usage of the scripts needs...the freedom to use multiple open-source sequence assembly tools at the appropriate place in our workflow...Tower to augment our pipeline and enable our team members to automate their weekly sequencing tasks. More...
  7. Tips for Getting a Faculty Position

    Type
    Blog Post
    ... common misconception is that search committee members are experts in your field. Not true. Even if you..., it's a safe bet that at least some committee members will NOT be in your area. Therefore, documents ...Talk? It is a 60-90 min session with department members to discuss your research plans for the next 5-10...," – you should show interest in other faculty members’ research. Still a Grad Student? Get Tips on Getting... running shoes and single malt whiskies, but I remember the days of modest postdoc salaries all too well...
  8. Deep Mutational Scanning with One Pot Saturation Mutagenesis

    Type
    Blog Post
    ...mutagenesis, and low throughput.       Gibson Assembly: An easy-to-use technique that joins homologous...be cloned into an expression vector with Gibson assembly. While this is a comprehensive mutagenesis method...method, a drawback to using Gibson assembly is that the longer the oligo insert used, the more likely it...especially single basepair deletions. Therefore, Gibson assembly is better suited for creating small, focused scanning...in the first digest (step 1 in above diagram). Remember that the BbvCI enzymes nick the DNA strand that...
  9. Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus

    Type
    Blog Post
    ...By breaking the transgene into smaller pieces. Reassembly of fragmented genomes is the key to fitting large...full-expression cassette. AAV’s natural ability to reassemble fragmented genomes is the basis of several split...with both part A and part B AAVs, the fragments reassemble and produce the full-length gene. Below are overviews...Vector, Big Gene Transduction: Fragmented Genome Reassembly of Adeno-associated Virus. Molecular Therapy ...of large genes to the retina by dual AAV vectors. EMBO Mol Med 6:194–211 . https://doi.org/10.1002/emmm...
  10. Five Popular Model Organisms, Part 2

    Type
    Blog Post
    ...and breed and they have large, easily modifiable embryos, which is ideal for observing and manipulating ...majority of studies involving axolotls focus on embryonics and biochemistry. Though limited at first, advances...humans so they are often used to study vertebrate embryology and cell development. One major resource for ...understand human disease alleles during and after embryogenesis. Addgene has over 600 plasmids that contain ... a Model Organism. News-Medical. Retrieved on September 18, 2020 from https://www.news-medical.net/life-sciences...
  11. Congrats to the 2019 Deck The Lab Winners

    Type
    Blog Post
    ...pYBL3aLK4f — Tanne van der Wal (@TannevanderWal) December 18, 2019   Holiday door The Kravitz Lab went ....com/J5bjHQo565 — Jess Tooley 🧠 (@toodlejess) December 17, 2019   Lab material tree We often get submissions..._MCDB #christmastaco #frogsnowflake #xenopus #ASCBEMBO19 #MCDB 🎄🎅🎁🐸🐸🐸🐸 pic.twitter.com/2MPLawgNQl...2MPLawgNQl — Jennifer Landino (@jenelandino) December 3, 2019 Hope you’ve enjoyed the festivities in the ...
  12. Science Communication Snapshot: DayCon 2015

    Type
    Blog Post
    ...success, a true testament to the commitment of SITN members. SITN and DayCon Currently in its 16th year, Science...one organize a public scientific conference? As a member of the DayCon Executive Board, I was fortunate ...interactive lunch with student presenters and board members enabled attendees to engage in small group discussions...source and available on SITN’s website. 65 audience members gave up a beautiful summer Saturday to learn about...
  13. Quick, Versatile Plant Transgenesis with GreenGate Plasmids

    Type
    Blog Post
    ...time, it was possible to quickly and efficiently assemble a large number of building blocks with just two... the PLoS ONE paper that introduced the kit in December, GreenGate includes the six most frequently used...Plant Transgenesis." PLoS ONE. 8(12): e83043 (20 December 2013). 2. Carola Engler et al. "A One Pot, One...Throughput Capability." PLoS ONE. 3(11): e3647 (5 November 2008).  ...
  14. Easing the Protein Purification Process with pCri

    Type
    Blog Post
    ...contains the MISTIC (membrane-integrating sequence for translation of integral-membrane protein constructs...includes a special feature for difficult-to-purify membrane proteins. pCri vector pCri-13a, designed for use...protein tag. MISTIC drags tagged proteins into the membrane and may improve expression of proteins that natively...
  15. SpyLigase Irreversibly Locks Peptides Together for Efficient Cell Capture

    Type
    Blog Post
    ...wanted to be able to build assemblies through covalent bonds so that the assemblies wouldn’t fall apart, even...advantage of peptide tags for building larger protein assemblies? Howarth: Peptide tags can be very generic; you...wanted to be able to build a highly multivalent assembly connected by covalent bonds, so there were no ...
  16. Choosing a Good Mentor for Scientists

    Type
    Blog Post
    ...about asking hard questions. Talk to as many lab members as possible. Try to get them in a setting out of...websites, ResearchGate and LinkedIn to find past lab members. Most scientists love to talk about their past ... lab meeting. Spend some time hanging out with members of the lab. It is a warning sign if the PI does...in Mentoring" Don’t ignore warning signs If lab members, neighbors or alumni give you information about...
  17. Behind-the-scenes of the Isolation of the Thermostable IgnaviCas9 From a Yellowstone Hot Spring

    Type
    Blog Post
    ...following year. Geoff Schiebinger, another Quake Lab member joined for half of the trip. Preparations ahead...sure the vehicle battery didn't run down. In September we arrived in YNP just as the weather was starting...Stephanie Schmidt not only produced partially assembled genomes, but also led to the discovery of IgnaviCas9...complexity with higher throughput and rigorous assembly. There, they found a CRISPR array in the resulting...
  18. Antibodies 101: Epitope Availability

    Type
    Blog Post
    ...as part of performing a specific function. A transmembrane protein that is being used as a marker for flow...cell, instead of when it is attached to a cell membrane.  Picking the Right Antibody  It can get even ...capture the protein bound to anything? Is it a transmembrane protein, or is it know to translocate or fold...doing or changing in different conditions. Just remember to keep good records on which antibodies are suitable...
  19. Photosensitizer Induced Cell Ablation with FAP-TAP MG-2I-dL5**

    Type
    Blog Post
    ...by incubating embryos in a MG-2I solution, or injecting adult fish with the dye. Embryos exposed to just...experiments with MG-2I-dL5** were performed with embryos and adult fish. Zebrafish are an ideal model organism...organism for these experiments because developing embryos are transparent, so it’s easy to watch development...
  20. Improving Transduction Efficiency with Exosome AAVs

    Type
    Blog Post
    ...the widely used 293T. During vector production, assembled AAV vector particles accumulate inside the producer... are often found with cellular exosomes, small membrane vesicles or microvesicles (approx. 40 - 150 nm... diameter) that are secreted from the cellular membrane into the culture medium. AAV particles are either...found that the association of AAV particles with membrane vesicles protects them from antibody recognition...
  21. Addgene Welcomes John Doench to the Advisory Board

    Type
    Blog Post
    ...The Addgene Advisory Board consists of prominent members of the bioscience and tech transfer communities...apply to graduate school at MIT. Doench excitedly remembers: “When I came to MIT to interview, part of the...process was several short talks by current faculty members and it just blew me away….  I have to come here...Find CRISPR pooled libraries Learn about other members of the Addgene Advisory Board Additional Resources...
  22. Management for Scientists: Delegating is Key

    Type
    Blog Post
    ...ideas, initiative and creative thinking. The team members will be more invested in the projects and outcomes... tasks are distributed appropriately. If team members have opportunities to develop and stretch then ...then facilitate appropriate communication between members of the team to ensure that no component of the ...management style. Recipes for delegation success Remember that there are always things that the manager ...
  23. Finding and Joining Your Dream Lab

    Type
    Blog Post
    ... hires initially based on those who notice and embrace the “odd and extreme openness” of the lab (i.e ...interests, and spends one-on-one time with the current members to share short-term goals and chat about awesome...questions for a candidate to ask lab heads, lab members and lab neighbors during the interview process....alumni taken diverse career paths? Ask other lab members how the advisor treats such inquiries. If you know...
  24. Viral Vectors 101: Viral Vector Elements

    Type
    Blog Post
    ...pseudotyped to alter infectivity. Next, the virus must assemble and have appropriate factors displayed on the ...nucleocapsid viral components needed for viral packaging, assembly, and display. Pol, the last component, contains...structural capsid protein that helps with virion assembly and particle release from late endosomes when ...viruses discussed. LXs/Iva2 are primarily capsid assembly proteins required for packaging of the virus into...
  25. Sharing is Caring: But How to Distribute Open Hardware?

    Type
    Blog Post
    ...material (BOM) of an assembly, the feasibility of manufacturing, and subsequent assembly can be difficult ... a similar way to the biological protocol, and assembly designs based around the use of commercially available...developed techniques are the key enablers for making assemblies open-source. The sharing of digital representations...
  26. Developing a cold tolerant E. coli using specialized chaperones

    Type
    Blog Post
    ...were designed by our team member Kallol Mozumdar. Sreepadmanabh M is a member of the team from IISER Bhopal...This post was contributed by Sreepadmanabh M, a member of the iGEM team from IISER Bhopal. Following up...in extensive outreach programs to encourage and embolden the spirit of scientific innovation amongst school...
  27. Opto-Nanobodies: Using Light to Manipulate Cell Signaling and Protein Purification

    Type
    Blog Post
    ...let the team detect its co-localization with a membrane-localized mCherry or GFP protein. With this system...bind, it co-localizes with its target at the cell membrane and when the OptoNB can’t bind, it localizes to...proliferation and differentiation.  Since Ras is a membrane localized GTPase, the team fused a mCherry OptoNB...OptoNB-SOS fusion protein in cells that expressed membrane-localized mCherry. With darkness, SOS binds Ras...
  28. Transferable Skills Guide: Public Speaking

    Type
    Blog Post
    ...quickly string together all the words that I could remember related to this paper and/or biology in general...perspective. Most people won't notice, or won't remember and those who do are very likely to be sympathetic... diving board charades, I doubt anyone but me remembers any of the incidents above–and the dumpster noises...if it doesn’t go perfectly,” can help. (And do remember to breathe!)   Public speaking as a transferable...
  29. Uncertainty about Labor Law Brings More Uncertainty to Postdoc Wages

    Type
    Blog Post
    ..., executive director of Future of Research. On December 1st 2016, many postdocs working more than 40 hours...recently in a paper published in F1000Research on November 2016. Due to the nature of the postdoc position...been made publicly available (below). However, on November 22nd a preliminary injunction against the FLSA...for their postdoctoral salary information as of December 1st. Salary inconsistencies across geographical...
  30. Supporting Rare Disease Research with the 2020 BeHEARD Awards

    Type
    Blog Post
    ...interested in TS when I was a newly independent faculty member studying sex differences in thoracic aortic disease...emphasis on oligomerization, signalling complex assembly, and localization to the nucleus,” says Dr. Terry...consist of many parts that work together on the cell membrane. Germline mutations in one of these parts, the...to Addgene. Congratulations Terry Hébert! Members of Terry Hébert's lab. Additional Resources ...
  31. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

    Type
    Blog Post
    ...-opsin GEVIs. With an increase in the neuron’s membrane potential, Ace absorbance increases and results...biologists to use Type IIS restriction sites to easily assemble multiple DNA fragments. This system has been used... for greater reproducibility as scientists can assemble parts from different labs and experimental systems...biology tools for cyanobacteria. Figure 3: Assembly of plasmids using the Cyanogate Kit and subsequent...
  32. Nanoblades: Tiny CRISPR Ninjas for Genome Editing Difficult Cells

    Type
    Blog Post
    ...multimerize and spontaneously assemble into particles at the cell membrane. Mature Nanoblades then bud ...CRISPR to multiple types of targets: primary cells, embryos, and animals. Nanoblades can also carry different... where they can then fuse with the target cell membrane, and transfer their CRISPR cargo into the zygote...
  33. Plasmid-based Recombinant Monoclonal Antibodies: What They Are and Why You Should Be Excited About Them

    Type
    Blog Post
    ...If you were born before 1985, you might remember going to the store and buying CDs when you wanted to...antibody and when translated into protein will assemble into a fully functional antibody. These antibodies...antibody are encoded in a plasmid. (Right) An assembled antibody protein binds an antigen. Image from ...L, Xin L, Shan B, Li M (2016) Complete De Novo Assembly of Monoclonal Antibody Sequences. Sci Rep 6: ....
  34. Mouse Modeling, Part 2: Breeding and Crossing Mice

    Type
    Blog Post
    ... to introduce genetic modifications into mouse embryos. But once you generate a growing colony of genetically... as more mutations are introduced into a single embryo, the likelihood that a mouse will end up with the... are homozygous for all of your desired genes. Remember Punnett squares from high school biology? They...transgenic mice that can impact reproduction include embryonic lethality, a short lifespan, or infertility and...
  35. Pouring LB Agar Plates

    Type
    Protocol
    ...with your antibiotic of interest. Last Upload: September 14, 2016 Protocol Video Before you begin this ...
  36. Google Forums Round Up: First Impressions of NgAgo

    Type
    Blog Post
    ...Update (November 18, 2016): Researchers from a variety of institutions recently reported their inability...NgAgo is in the spotlight and take a moment to remember that NgAgo has only been available for genome ...from a plasmid in cells. Additionally, in vitro assembly of NgAgo/ssDNA requires incubation at 55 °C - ...conveniently transfect/inject cells with in vitro preassembled Cas9/gRNA complexes or with guide RNA- and Cas9...
  37. How to Write a Scientific Review Article

    Type
    Blog Post
    ...hopefully this post will help you get things moving - remember you're becoming an expert in your field and are...while writing, because it helps you later on to remember where you read particular studies or experiments... For example, we summarized how frequently each member of a class of proteins was mutated, as reported... a review article and not your life’s work: so remember that done is better than perfect. Good luck! ...
  38. Mesothelioma - Causes, Symptoms, and Treatment

    Type
    Blog Post
    ...becomes embedded due to the small, hook-like shape of asbestos fibers. Over time these embedded asbestos...different ways. For example, a new drug known as pembrolizumab (Keytruda) causes T-cells to more easily recognize... and cause the destruction of cancer cells. Pembrolizumab has shown some great early success in treating...
  39. Lab to Office Culture Shock

    Type
    Blog Post
    ... them may just take some getting used to. Just remember: change is good. You can experience a real onboarding...could dread these interactions, but you could also embrace them. Talking about science to non-scientists can...often are the work. Will Arnold, one of the newer members of our Scientist team says, “a well-run meeting...that much longer. If you approach the transition embracing the opportunity for growth, you can tap into curiosity...
  40. CRISPR Activation: A Practical Guide

    Type
    Blog Post
    ...done by creating a split dCas9 protein that can reassemble when exposed to specific UV wavelengths or chemicals...Inspired Engineering.     Alejandro (Alex) Chavez is a member of the Addgene Scientific Advisory Board. His laboratory...Mammalian Protein Complex Structure, Function, and Membership Using Genome-Scale Fitness Screens. Cell Systems...Chem Biol 11:198–200 . https://doi.org/10.1038/nchembio.1753 Tanenbaum ME, Gilbert LA, Qi LS, Weissman...
  41. Tips for CRISPR Gene Editing in Mice

    Type
    Blog Post
    ...validating its efficacy in vitro, and using it in mouse embryos to generate gene modified mouse lines. Hopefully...mammalian cells, it’s time to use them in mouse embryos. When researchers first started using CRISPR/Cas9...It takes roughly 19 days for the injected mouse embryos to develop. Once they are born, it’s time to screen...screen them for your desired edit. Good news! Remember the primers you designed to generate your pCAG-...
  42. Avoiding the Dark Side of Fluorescent Protein Fusions with mOX FPs

    Type
    Blog Post
    ...excellent choice for fusions with integral membrane proteins and membrane associated proteins (i.e. GPI-anchored...including the secretory pathway (Figure 2), the inner membrane space of mitochondria and chloroplasts, the extracellular...mapping functional domains of Drosophila hsp 70." The EMBO journal 3.13 (1984): 3087. Pubmed PMID: 6526011....
  43. Antibodies 101: Normalization and Loading Controls for Western Blots

    Type
    Blog Post
    ... out errors like uneven pipetting or irregular membrane transfer. Figure 1: A loading control is...directly correlate to protein abundance on your membrane, which would be directly reported by band intensity...protein measurements are taken on the same gel or membrane (depending on your approach) as your final blot...of the β-actin (B) or total protein (C) on the membrane versus the amount of protein loaded on the gel...
  44. Multicolor Animals: Using Fluorescent Proteins to Understand Single Cell Behavior

    Type
    Blog Post
    ... the fluorophores RFP (red), YFP (yellow), and membrane-tethered CFP (cyan). Brainbow 1.1 adds OFP (orange...control of Flp recombinase. The XFPs in Flybow are membrane-tethered, making this system useful for visualization... by injecting a CMV-Brainbow construct at the embryonic stage. This technique could be used to target ...cells that randomly express either nuclear GFP, membrane CFP, cytoplasmic YFP, or cytoplasmic RFP in a ...
  45. 10 Steps to a Perfect Science Talk

    Type
    Blog Post
    ...introverted ), and networking (how to get people to remember you). What better way to accomplish all of these...story We are biologically programmed to listen and remember better when we hear material delivered in the ... presentation faux pas, you are more likely to remember the point.   What makes a story? A story is a ... label all graphs and data professionally). Do remember the fine points of visual aids. Here’s a great...
  46. Plan Your Experiment

    Type
    Guide
    ...off-target effects Can be used to generate transgenic embryos Cas9-gRNA ribonucleoprotein (RNP) complexes Purified...
  47. Viral Vectors 101: Optogenetic Tools

    Type
    Blog Post
    ... charged ions to rapidly pass through the cell membrane and initiate an action potential - a very useful...and close when exposed to light and change the membrane potential. OptoXRs are modified GPCRs. When exposed...downstream signaling pathways that can change both the membrane potential and a host of other cellular functions...Channelrhodopsin-2, a directly light-gated cation-selective membrane channel. Proceedings of the National Academy of...
Showing: 201 - 250 of 613 results