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  1. 10 Basic tips for mammalian cell culture

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    Blog Post
    ... Khan Khilji, a PhD student at the Max Planck Institute of Colloids and Interfaces. Here are some tips...split cells Don’t be lazy about splitting cells, instead try to form a routine. Twice a week often works...take a vial of the ‘mint condition’ master stock instead of ‘borrowing’ cells that have already been passaged...soon be joining her PhD lab at the Max Planck Institute of Colloids and Interfaces. Sana is particularly...
  2. Negative Can Be Positive: Open AAV Data with Addgene

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    Blog Post
    ...D-F)  High-magnification images immuno-stained against dopamine beta-hydroxylase (DBH, magenta) to label...and that it often provides incredibly valuable insight into one’s work. As a community, we must therefore...remove the stigma around sharing negative data and instead focus on getting this information out into the ... A., Hsu, R., Kalwani, L., Sierra-Mercado, D., Robinson, J. O., Outram, S., Koenig, B. A., Pereira, S....
  3. CRISPR Antimicrobials

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    Blog Post
    ...antimicrobials could become our newest line of defense against bacteria. Created with BioRender.com. ...resistance using multiple approaches. Major restaurant chains including Chipotle and Panera Bread have pledged... just the method needed to jumpstart the fight against antibiotic resistance. Advantages of CRISPR over...strategy can help us win back ground in the fight against bacterial superbugs. References 1. Citorik, Robert...
  4. New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries

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    Blog Post
    ...labs of David Root and John Doench at the Broad Institute have developed human genome-wide CRISPRko (knock...CRISPRi libraries utilize an engineered Cas9, which contains multiple point mutations in the nuclease domain...potential off-target effects. The Dolcetto library contains two sets of sgRNAs; A, the top 3 ranked sgRNAs... sequences can also be modified to include RNA domains that recruit additional transcription factors. ...
  5. Rett Syndrome: A History of Research and Therapeutic Outlooks

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    Blog Post
    ...medical journal. Decades later and after years of painstaking work trying to isolate the causative gene for...recently used the CRISPR/Cas9 system to both precisely insert the MECP2-R270X mutation into the MECP2 gene in...fine-tuning dosage so that enough wild-type MECP2 is made inside the cells, but this is exciting progress in tackling...:2<147::aid-ajmg6>3.0.co;2-o Baker SA, Chen L, Wilkins AD, Yu P, Lichtarge O, Zoghbi HY (2013) An AT-Hook...
  6. To Codon Optimize or Not: That is the Question

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    Blog Post
    ...growing polypeptide chain. One part of the tRNA contains the anticodon,  a three nucleotide sequence complementary...become extremely useful in expressing functional proteins in hosts that do not naturally express that gene...host you are using or come from an organism that contains expression limiting regulatory elements or use...10.1038/nsmb1031 Gustafsson C, Govindarajan S, Minshull J (2004) Codon bias and heterologous protein expression...
  7. Plasmids 101: Plasmid Incompatibility

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    Blog Post
    ...with the replicon- the part of the plasmid that contains the origin of replication and the replication ...inhibiting translation of replication machinery proteins, or directly inhibit replication by binding to...walking” the same plasmids to one daughter cell, instead of partitioning each type of plasmid into a separate...2015) Imaging centromere-based incompatibilities: Insights into the mechanism of incompatibility mediated...
  8. AAV Titers: Where Do They Come From And What Do They Mean?

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    Blog Post
    ...purified viral vector solution (which contains viral capsid proteins) as opposed to purified DNA. This may...see below), since each viral particle typically contains one viral genome. Other than a theoretical maximum...mitigated by using purified viral DNA as the template instead of the intact AAV particle. Finally, the precision...
  9. Supporting Reproducibility with a Connected ELN

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    Blog Post
    ...reproducibility is limited in two ways – only data inside the ELN is reproducible, and only the highly restricted...Goettingen, and several other large research institutions. The following graphic depicts the ways in which...banks and sequencing files is likely stored in institutional and lab servers specifically designed to hold...illustrated in this video, and to data stored on institutional and lab servers. Connectivity to other tools...
  10. CRISPR-mediated Plant Base Editors

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    Blog Post
    ...Transition mutation (C>T, G>A, A>G, and T>C) installation by base editors. Pathways that compete with ...developed plant adenine base editor (ABE) vectors to install A>G or T>C mutations in the plant genome. We constructed...probably due to the presence of nucleosome or other proteins. You can detect base editing as early as 48-72...Ag-biotechnologist in the National Rice Research Institute, Cuttack, Odisha, India. Currently Kutubuddin ...
  11. Twenty Years of Sharing: Addgene's Viral Vector Service

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    Blog Post
    ...process that isn’t as simple as it seems. Take, for instance, the GCaMP-encoding viral vectors available in...service. While they were both requested, GCaMP6 remains the more requested option, and jGCaMP8 appears ...compared to other AAVs preps from 2016–2023. B) Inset showing distribution of only GCaMP6, jGCaMP7, and...our own repository data, giving us significant insight into which vectors are likely to be of most use...
  12. Plasmids 101: Control Plasmids

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    Blog Post
    ...every experiment, an investigator needs a standard against which the results can be compared; results from...single experiment wherein Plasmid A (encoding shRNA against human Gene X in backbone Y) was transfected into...included as these provide the baseline/standard against which other samples can be compared. The Empty ...For example, in the experiment above, Plasmid A contains an shRNA that targets human Gene X and human cells...
  13. Tips for Using FRET in Your Experiments

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    Blog Post
    ...within living cells. By coupling fluorophores to proteins, pioneers of this technique were able to directly...FRET-based biosensors, and interactions between DNA and proteins. FRET, in theory, is an easy technique, but it...to studying an unknown interaction between two proteins, these parameters are difficult to overcome but...FRET_teaching_module.pdf Day RN, Davidson MW. Fluorescent proteins for FRET microscopy: monitoring protein interactions...
  14. Plasmids 101: Repressible Promoters

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    Blog Post
    ...turning transcription OFF. Despite their bacterial origins, Tet systems function well in mammalian cells, ...including the “middle” ADH1 promoter pADH1m, which maintains activity during the late ethanol consumption phase...results in chimeric GAL80-repressible and GAL80-insensitive activators of lexAop. This system is commonly...modular vector for ease of use! Conclusion This post contains only a brief overview of some of the most common...
  15. Viral Vectors 101: AAV Variables That Matter

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    Blog Post
    ...serotype that works great in a GABA neuron, for instance, may not transduce the adjacent norepinephrine...differences in tropism between animal species or even strains of the same species. What works well in a mouse...recommended to optimize to the “lowest number required” instead of using the first amount that looks effective....Moullier, P. (2002). Lack of an Immune Response against the Tetracycline-Dependent Transactivator Correlates...
  16. A Guide to Getting Started in Undergrad Research

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    Blog Post
    ...scientist” conjured up images of men like Albert Einstein and Bill Nye in their lab coats handling glassware...solve global problems. Biomedical research, for instance, contributes heavily to medical practice, and ...relatives suffering from similar diseases. Others were inspired by the imminent threat of climate change to study...interesting questions and your excitement will in turn inspire the people around you. Be proactive Rather than...
  17. Sequencing Options for CRISPR Genotyping

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    Blog Post
    ...which CRISPR genome editing system you use, there remains a chance that the observed phenotype was caused...especially the clinic. Popular validation assays are insufficient As discussed in CRISPR 101: Validating Your ...that a single cell clone derived from the pool contains both the rare off target event and the desired...laboratory of Prof Steve Jackson at the Gurdon Institute at the University of Cambridge. Outside of the...
  18. Transferable Skills Guide: Teamwork

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    Blog Post
    ...came as an undergrad at Worcester Polytechnic Institute. Though some WPI students chose to go the solo...matter whether that other person really is acting against the team’s interests or not; once that seed of ... to be invited onto a team. Make one yourself. Instead of thinking “What’s my angle on attacking this ... Eric J. Perkins...
  19. 2021 Deck the Lab Winners!

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    Blog Post
    ...Andel Institute. Krampus was created by Nate Levine.             View this post on Instagram                     ...today✂️❄️🦠thanks to the awesome templates by @CVRHutchinson @CVRinfo. Check them out: https://t.co/uDEE9PsspD...
  20. Twenty Years of Sharing Science!

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    Blog Post
    ...materials repository contains 139,868 reagents from 5,821 labs in 1,249 institutions across 55 countries...2,002,539 materials to 254,034 scientists in 8,900 institutions across 111 countries. Just eight days into 2024...
  21. Genome Engineering, CRISPR, and Research in Singapore: Interview with Wei Leong Chew

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    Blog Post
    ...with Wei Leong Chew, a researcher at the Genome Institute of Singapore who recently started his own lab....work to an independent position at the Genome Institute of Singapore. Chapter 3: Biology research and ...a Junior Principal Investigator at the Genome Institute of Singapore. His lab focuses on producing biotechnologies...
  22. Addgene’s GIPHY Page is Here to Help You Express Yourself (and Your Gene of Interest)

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    Blog Post
    ... You’ll be able to use these GIFs on Twitter, Instagram, TikTok and more. Just type “addgene” into the...looking for that perfect GIF for your TikTok or Instagram story, we also have stickers to help express your...looking for new ways to help you celebrate those wins in the lab.   You don’t need to sweep confetti...
  23. Addgene’s New Way to Help You Share Science

    Type
    Blog Post
    ... with “A Better Way to Share Science” for: The inside scoop from scientists who have deposited plasmids...latest technologies and breakthrough research. Insights about how to navigate through all stages of your...and Facebook. We’ll track down the story, get the inside scoop, and keep you informed.  ...
  24. Addgene Protocols Go Viral: AAV Purification and Titration

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    Blog Post
    ...Purification protocol page for more detailed instructions. AAV titration by qPCR using SYBR green technology...copies in a given AAV preparation. For detailed instructions and calculations on how to prepare a plasmid...study biological processes on the cellular level instead of having to work with a whole organism and can...
  25. New Viral Vectors - Spring 2025

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    Blog Post
    ...minBG-jRGECO1a-WPRE3-BGHpA PHPeB Biosensor The Allen Institute for Brain Science New viral tool AiP14360:...minBG-jGCaMP8s-WPRE3-BGHpA PHPeB Biosensor The Allen Institute for Brain Science New viral tool AiP14361: ...minBG-jGCaMP8s-WPRE3-BGHpA PHPeB Biosensor The Allen Institute for Brain Science New viral tool pGP-AAV-CAG-FLEX-jGCaMP8m-WPRE...
  26. Visualizing Your Plasmid Request Data

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    Blog Post
    ...aggregation of this information can provide valuable insight to the most requested plasmid, the number of requested...their CSV file from Addgene by following these instructions, and then uploading the CSV with request data...to the dashboard (Fig. 2).     Figure 2: Insert showing the upload function for the Addgene Requests...
  27. Addgene Stands with the Scientific Community

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    Blog Post
    ...Here to Help Despite these challenges, Addgene remains steadfast in our mission to accelerate research...Addgene is uniquely positioned to help research institutions maximize their increasingly limited resources...investment isn't lost. Universities and research institutions can turn to Addgene as a trusted partner for...
  28. 500,000 Plasmids Shipped and Counting!

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    Blog Post
    ...plasmid shipping look like at Addgene? Here's an inside peak into the daily workings in Addgene's lab. ...plasmids to more than 90,000 scientists at 5,200 institutions in 82 different countries. We continue to ship...plasmids. The partnerships and collaborations with institutions and tech transfer offices that facilitate MTAs...
  29. Fueled by Coffee at #SfN14

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    Blog Post
    ...Feng Zhang (of the Broad Institute of MIT and Harvard and the McGovern Institute for Brain Research) – and... the neuroscience community pulls off such an inspiring, thought-provoking, collaborative event – all ...
  30. Download Science-Themed Zoom Backgrounds from Addgene

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    Blog Post
    ...      If you’re predominantly a plasmid user, instead, don’t fret; we have backgrounds for you as well... might want to check out Addgene’s Fluorescent Proteins blog topic to learn more about FRET and other ...  Aliyah Weinstein...
  31. Keeping Up With CRISPR/Cas9

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    Blog Post
    ... tool. A week later, researchers at the Broad Institute and MIT published another report showing Cas9'...target." As further proof of just how big and mainstream the news on CRISPR has gotten, consider these...30. (Pubmed) Programmable Removal of Bacterial Strains by Use of Genome-Targeting CRISPR-Cas Systems. ...
  32. Addgene's Top Blog Posts from 2020

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    Blog Post
    ...the methods in this blog post. 8. Chromoproteins: Colorful Proteins For Molecular Biology Experiments ...Experiments by Jennifer Tsang Chromoproteins are a subset of the fluorescent protein family and they generate color...
  33. Download Addgene’s Science Career Guide, Plus 8 Career Tips from Addgenies

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    Blog Post
    ...position and my team at Addgene was created.”- Eric Perkins, Director of Science Product Management “I knew...mantra and never forgot it. Usually when I see inspiring artists who are thinking about getting into the... Find job listings at Addgene Get more career insight from Addgenies ...
  34. The 10 Most Distributed Plasmid Technologies in Addgene's First 10 Years

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    Blog Post
    ...individual plasmids to 5,000 different research institutions. This has given us a unique window into technology... life sciences. In this post, we'll give you an inside look at the Top 10 plasmid technologies distributed...journey since starting Addgene. Thank you for inspiring us with your breakthrough research and your commitment...
  35. Stepping into a Virtual Internship: My Experience at Addgene

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    Blog Post
    ... I was able to express my visions for what my Instagram posts would look like. While working remotely ...continuing Addgene’s Meet an Addgenie Series on Instagram. I interviewed fellow Addgenies about their role... Some of recent Meet an Addgenie posts on Instagram! From this project, I observed what it was ...
  36. Top Requested AAV of 2017: pmSyn1-EBFP-CRE

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    Blog Post
    ... you already have a transgenic mouse line that contains a Cre-dependent mCherry cassette under the control...of these options would be very time consuming. Instead, a quick way to get the results you need would ...complicated ways to use this particular AAV. For instance, you might use it as part of a flex switch you...
  37. Same Addgene, New Look - Why We Redesigned Our Homepage & Mascot

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    Blog Post
    ...the page looked clean, professional, and modern. Instead of trying to place all of the content above the... regularly be paired with a variety of science-inspired friends. As you can see on the homepage, Blugene... you can find what you need and feel happy and inspired to tackle your next science challenge. If you ...
  38. pSiM24: Simplifying Plant Genetic Engineering

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    Blog Post
    ...plant species. Thus, binary vectors contain two origins of replication, one each for E. coli and Agrobacterium...promoter has been modified with duplicated enhancer domains and characterized in studies of tobacco, Arabidopsis...regions permit multiple regulatory elements to be inserted, further customizing gene expression. Sahoo et...
  39. Future of Research Conference - Remarkable Opening Session

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    Blog Post
    ...audience to use their useful energy and to choose institutions with allies engaged in training excellence to...experience and encouragement.  Dr. Sibby Anderson-Thompkins, Director of the Office of Postdoctoral Affairs... training programs (like at the Keck Graduate Institute), funding for training (such as the NIH BEST award...
  40. Hot Plasmids and Viral Preps - July 2021

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    Blog Post
    ...systems. As a part of this effort, members of the Rawlins Lab have compiled a new toolkit for performing ...SL fluorescent biosensors by integrating a SL-insensitive fluorophore (LSSmOrange) as an internal control...in tobacco protoplasts, the enzymatic biosensor retains its catalytic activity.  As SLs are also known ...
Showing: 601 - 640 of 1055 results