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  1. 2021 Deck the Lab Winners!

    Type
    Blog Post
    ....twitter.com/DWKWaPs0iY— Xi Chen (@XiChen7889) December 10, 2021   2nd Place: The Winter and the Falcon...pic.twitter.com/rDaEjxTNZX— Heng Chooi (@YitHengChooi) December 4, 2021   3rd Place: O! Beaker Tree Created by...pic.twitter.com/WMb97fpUOI— Sam Mugford (@samtmugford) December 3, 2021   Congratulations to all our winners,...
  2. Alex Chavez on MD PhDs, CRISPR, Gene Drives, & More

    Type
    Blog Post
    ... extensively with CRISPR, and recently became a member of the Addgene advisory board where he will help...and talk with us.  Alejandro (Alex) Chavez is a member of the Addgene Scientific Advisory Board with a...Ready-to-Use CRISPR Lentivirus Learn about Other Members of the Addgene Leadership Team ...
  3. 2018 #DeckTheLab Contest Winners

    Type
    Blog Post
    ...pic.twitter.com/X6QYXteRLT — Nika Heijmans (@nikaheijmans) December 21, 2018 Eppi the red nosed reindeer from @ladiesinlabcoats....co/MYMnXicWqb — Matthew J. Sikora (@mjsikora) December 18, 2018 Fireplace from the Dyer Lab If you’re...pic.twitter.com/bDRqAKrWHz — Dyer Lab (@DyerLab_Emory) December 14, 2018 Thanks to all who participated in ...
  4. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

    Type
    Blog Post
    ...them. Collectively, the pool of CRISPR software embodies solutions that facilitate most experimental applications...in the table): Basic functions: These functions embody the main goals of the software and should be the...genomes are denoted by organism name and genome assembly version. The names in the table appear as they...organisms and will help you whether you have a full assembly or not. It is an offline tool, but comes with ...
  5. Brain Initiative Collection

    Type
    Collection
    ...-GfaABC1D-mCherry-hPMCA2w/b Expresses a plasma membrane calcium pump hPMCA2w/b Baljit Khakh 112000-AAV1...
  6. Chemogenetics Guide

    Type
    Guide
    ...cell surface receptors, GPCRs are seven-pass transmembrane proteins that bind a specific ligand. Ligand...
  7. Fostering communication in remote collaborations

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    Blog Post
    ...meetings include all collaborators, from the lab members who are conducting the experiments to the PIs. ...closely replicates how you’d interact with team members in person, and improves overall communication.  ... informal communication you’d likely have with members of your lab that you see in person, and helps improve...
  8. Addgene's a Nonprofit? Nonprofit Awareness Day 2017

    Type
    Blog Post
    ...This grows our relationship with our community members. We also find that, as a nonprofit, we attract ...is strength in diversity and in empowering team members to take initiative and give their best As we continue...Research Listen to Our Interview with Addgene Board Member, Connie Cepko Resources on Addgene.org Learn ...
  9. Fluorescent Proteins 101: Fluorescent Biosensors

    Type
    Blog Post
    ...characteristics like pH, redox state, and voltage across membranes. These sensors generally follow the same pattern...an organelle-specific targeting signal or a transmembrane domain, biosensors can be targeted to a particular...endoplasmic reticulum (ER), vacuole or cellular membranes. Examples include blue flame mitochondria-targeted...
  10. Antibodies 101: Fc Effector Functions

    Type
    Blog Post
    ... the pores being opened in the pathogen’s cell membrane (Dunkelberger & Song, 2010). As cells cannot survive... survive when holes are punched in their membranes, the pore'd pathogens quickly lyse and die.  Antibody...providing structure and isotype determination, remember that it can do so much more than that!    References...
  11. New and Upcoming Viral Vectors - Spring 2019

    Type
    Blog Post
    ...pAAV-Syn-FLEX-rc [Archon1-KGC-GFP-ER2]) of this membrane-embedding voltage detector. Find Archon1 and its cre-dependent...GABA sensor (pAAV.hSyn-FLEX.iGABASnFR) has good membrane localization and brightness. The F102G variant...
  12. Addgene's Top 10 Blog Posts of 2015

    Type
    Blog Post
    ...10,000 users per month in November 2014 to ~30,000 users per month in November 2015. We will continue ...providing recorded interviews with Addgene community members. In addition we’ve experienced incredible growth...
  13. Another Pathway into Cells: iTOP

    Type
    Blog Post
    ...Tat. Although CPP fusions can translocate a cell membrane, the presence of the CPP may alter protein function...various loxP reporters. In both mouse and human embryonic stem cells, they found very high recombination...neuronal and gut stem cells, dendritic cells, embryonic fibroblasts, glia cells and neurons, and cell ...
  14. Using CRISPR/Cas9 to Edit Disease Out of the Genome

    Type
    Blog Post
    ...editing system to correct the cystic fibrosis transmembrane conductor receptor (CFTR) by homologous recombination...of CRISPR/Cas9." Cell Stem Cell. 13, 659-662 (5 December 2013). 8. Gerald Schwank et al. "Functional Repair...Fibrosis Patients." Cell Stem Cell. 13, 653-658 (5 December 2013).    ...
  15. Revamp Your Lab Meetings With Creative Virtual Collaboration

    Type
    Blog Post
    ... out these questions ahead of time so that lab members have time to prepare their thoughts. Then at the...Set up a brief bi-weekly meeting where all lab members talk no science. No data presentation will appear...remotely in science are endless. Let’s adapt and embrace new ways of working, reconnect as human beings ...
  16. With Our New Viral Service, We're Taking CRISPR Further!

    Type
    Blog Post
    ...Institute for Biologically Inspired Engineering and member of the Addgene Advisory board, on the difficulty...expressing Cas9. As John Doench (Broad Institute and member of the Addgene Advisory Board) says: "When you'... running. Both Alex Chavez and John Doench are members of the Addgene Advisory Board. Additional Resources...
  17. Multiplexed Overexpression of Regulatory Factors (MORF) collection

    Type
    Blog Post
    ...differentiation, the Zhang lab transduced human embryonic stem cells with the viral TF library, with each...lentiviral particles and used to transduce human embryonic stem cells. Transduced stem cells were differentiated...this screen successfully differentiated cells resembling all three germ layers (ectoderm, endoderm, and...
  18. How to Lead a Great Meeting

    Type
    Blog Post
    ...everyone gets a chance to talk and less vocal team members still have their voices heard. Here's a template...of the agenda, and assign each one using group members’ initials. If appropriate, email this around after...to help keep you accountable for moving along. Remember, many of the more in-depth discussions can happen...
  19. Lentivirus ddPCR Titration

    Type
    Protocol
    ...of DMEM complete instead of a viral dilution). Remember, this is an additional 10-fold dilution of the...
  20. Viral Vectors 101: Viruses as Biological Tools

    Type
    Blog Post
    ...viral envelope, which fuses with the target cell’s membrane, allowing the viral particle access into the cell...inside the nucleus, without the need for envelope disassembly. Both lenti and retro viruses can accommodate...of murine leukemia virus DNA depends on mitosis.” EMBO J. 12 (1993) 2099-2108. PubMed PMID: 8491198. PubMed...
  21. Clear and Accessible Writing

    Type
    Blog Post
    ...and improving accessibility on our website.  As members of Addgene’s content team, we — Jo, Brook, and ... at the Society for Neuroscience conference in November 2023, we hosted our very first professional development...clear writing Let’s use Figure 1 as our example. Remember, our goal is to use words to describe the image...
  22. Advice for Starting a Biotech Company from a Grad Student turned Entrepreneur

    Type
    Blog Post
    ...and names, swapped leadership, and grown to 25 members.  What is Sample6? Sample6 is an enrichment-free...technologies, effectively communicating the advantages embodied, and driving the enterprise value of Sample6.  ...Read On! Synthetic Biology & the Importance of Assembly Standards Story of a SynBio Startup: RevBio's ...
  23. Celebrating 15 Years of Scientific Sharing

    Type
    Blog Post
    ... grow. We are hiring again and getting ready to embark on new exciting projects. Right now we don’t .... We are making an impact.  {% video_player "embed_player" overrideable=False, type='scriptV4', hide_playlist..._playlist=True, viral_sharing=False, embed_button=False, width='1280', height='720', player_id='7039679868...
  24. Antibodies 101: Selecting the Right Antibody

    Type
    Blog Post
    ... indirect (secondary) methods. In those cases, remember that a secondary should be used when signal amplification...price point, shipping time, or other factors. Just remember that these are secondary considerations to validation...validated using one or more of the proposed pillars.  Remember, validation does not mean that the antibody is...
  25. Pairing CombiGEM and CRISPR for Combinatorial Genetic Screening

    Type
    Blog Post
    ...found at Addgene! Figure 1: Strategy for assembling the barcoded gRNA library pool. (Adapted from...barcoded gRNA library is now ready for CombiGEM-based assembly into the CombiGEM lentiviral vector backbone pAWp12...your experiments. Figure 2: Strategy for assembling barcoded combinatorial gRNA libraries. (Adapted...
  26. How to Prepare for an Industry Interview

    Type
    Blog Post
    ...While this method seems simple, I found it hard to remember to describe all four parts of a STAR answer once...Writing a rough outline of these stories helped me remember them for the interview.  Prepare a list of questions...then thank them once the interview is complete. Remember, your interviewers took time out of their day ...
  27. Split Fluorescent Proteins for Studying Protein-Protein Interactions

    Type
    Blog Post
    ...Protein A and B interact, the FP fragments can assemble the full structure of the fluorescent protein,...Split superpositive GFP Split-superpositive GFP reassembly is a fast, efficient, and robust method for detecting...behavior of the split FP in your system of interest. Remember that the FP fragments themselves can sometimes...
  28. A Guide to Designing a Scientific Poster: Content, Layout, and More

    Type
    Blog Post
    ...poster readable While we are talking about font, remember this: bigger is better! Your poster should be ...poster more navigable.  Choose your content wisely Remember that less is more! Posters should not look like...easily read. Similarly, be cognizant of audience members that are color-blind; avoiding red and green is...
  29. 5 Tips for Troubleshooting Viral Transductions

    Type
    Blog Post
    ...electrostatic forces between these two negatively-charged membranes (Davis et al., 2002). Polybrene is one such cationic... thawed more than once. Fibronectin is another membrane-interacting protein that can be used to enhance...receptor-independent virus adsorption on target cell membranes." Biophysical chemistry 97.2 (2002): 159-172. ...
  30. Trimmer Lab NeuroMab Collection

    Type
    Collection
    ...translocation of the heavy chain across the ER membrane. PCR-mediated fusion of these three elements is...translocation of the light chain across the ER membrane. Downstream of the insert is a heavy chain constant...
  31. Plasmids 101: Protein Expression

    Type
    Blog Post
    ...In cell-free expression systems, proteins are assembled in vitro using purified components of the transcription...Cell-free expression systems are ideal for fast assembly of more than one protein in one reaction. A major...advantage of these systems system is their ability to assemble proteins with labelled or modified amino acids...
  32. Fluorescent Tagging of Endogenous Genes with SapTrap

    Type
    Blog Post
    ...Jorgensen Lab recently developed a modular plasmid assembly toolkit called SapTrap to improve CRISPR genomic...SapTrap offers scientists a convenient one tube assembly reaction to generate high-throughput targeting...templates. A final ligation reaction correctly assembles the final targeting vector (Fig. 1, Step 4), and...
  33. CrispyCrunch: High-throughput Design and Analysis of CRISPR+HDR Experiments

    Type
    Blog Post
    ...designing primers, and running analyses. New team members have taken up to a month to design a single 96-...began building CrispyCrunch in July 2018 and in November, we began using it internally. Guiding principles...biopython, bwa, samtools, bowtie, UCSC genome browser, Ensembl, and others. It builds on existing popular web ...
  34. Academic vs. Industry Postdocs

    Type
    Blog Post
    ...it may benefit you to work as a team with other members of your lab, a lot of the “soft skills” required... In an academic environment, surrounded by lab members who are all working on related topics, scientific...will be part of a team in industry with most team members giving oral presentations, you will also have to...
  35. Hot Plasmids and Viral Preps - May 2021

    Type
    Blog Post
    ...VP2C fusion protein anchors to VP1, which self-assembles into a compartment encapsulating the protein of...contains a series of vectors and DNA modules for assembly of CRISPR/Cas9 constructs. zCas9i is a high efficiency...2A-Synaptophysin-mRuby from Liqun Luo’s lab expresses membrane tethered GFP to enhance axonal labeling and synaptophysin-tagged...
  36. PhD Applications After COVID

    Type
    Blog Post
    ...always a good idea to introduce yourself to a few members of your desired department during the application... Different platforms have different quirks, so remember to practice on the program you’ll be using for... be difficult. However, an online meeting with members of your desired program will allow for you to have...
  37. Tips for Using BLAST to Verify Plasmids

    Type
    Blog Post
    ... (nr/nt)” as it contains a composite of GenBank, EMBL, DDBJ, and PDB sequences and may be the most comprehensive...regions by default, meaning that you do not have to remember to adjust any blastp algorithm parameters. We ...http://www.expasy.org/genomics/sequence_alignment EMBL-EBI - http://www.ebi.ac.uk/services http://www....
  38. CRISPR 101: Ribonucleoprotein (RNP) Delivery

    Type
    Blog Post
    ...figure above), which generates pores in the cell membrane, allowing for entry of the RNP into the cytoplasm...nucleofection, which forms pores in the nuclear membrane, allowing for entry of a DNA template. Other techniques...protoplasts and biolistic bombardment of immature embryos (Liang et al. 2017).  PEG-mediated methods, while...
  39. Negative Can Be Positive: Open AAV Data with Addgene

    Type
    Blog Post
    ...notebooks and computer files. If you asked your team members or colleagues: How much unpublished AAV data do...Therapy - Methods and Clinical Development, 18(September), 98–118. https://doi.org/10.1016/j.omtm.2020.05.018...Stimulation. Frontiers in Human Neuroscience, 14(December), 1–12. https://doi.org/10.3389/fnhum.2020.578687...
  40. Better Dyeing Through Chemistry & Small Molecule Fluorophores

    Type
    Blog Post
    ...compromising the photon budget. Likewise, the switch from ensemble imaging to single-molecule imaging places a greater...recently discovered that incorporation of four-membered azetidine rings could substantially enhance the...analogs without sacrificing their small size and membrane permeability (Figure 2c). These cell-permeable...
  41. CRISPR Between the Genes: How to Experiment with Enhancers and Epigenomics

    Type
    Blog Post
    ...data from the ENCODE project, find enhancers in embryonic stem cells, and conclude with a targeted CRISPR...for NANOG, an essential transcription factor in embryonic stem cells (ESCs). Your ChIP-seq finds just over...CRISPR screen. We start by infecting millions of embryonic stem cells (ESCs) with a lentiviral vector, an...
  42. New Tools Enable CRISPRa for Neuroscience Applications

    Type
    Blog Post
    ...development, complex genetic programs specify and assemble diverse arrays of neurons, forming the neuronal...subgenome-scale CRISPRa screening approach in embryonic stem (ES) cells to determine which transcription...gene-function relationships in the CNS using CRISPRa as a member of the Gelbard Laboratory at URMC.     References...
  43. Plasmids 101: Codon usage bias

    Type
    Blog Post
    ...structures in RNA transcripts Effects on transcription (remember, it’s not all about translation - e.g. codon choice... isoacceptors induced by amino‐acid starvation." EMBO reports 6.2 (2005): 151-157. PubMed PMID: 15678157...transfer RNA abundance in Escherichia coli." The EMBO journal 9.13 (1990): 4359-4366. PubMed PMID: 2265611...
  44. Binning Singletons: Tackling Conference Networking When You Don’t Know Anyone

    Type
    Blog Post
    ...for attendees and helping societies help their members get the most out of their meetings. Amanda Gunn...Gunn ran randomized coffee trials for us at ASCB|EMBO 2019, matching Mentors with Singletons for short coffee... a culture that brings more value to ALL their members.  Shoutout to our mentors and supporters Thanks...
Showing: 251 - 300 of 616 results