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Showing: 521 - 560 of 796 results
  1. A Scientist's Guide to Ebola

    Type
    Blog Post
    Published
    Oct. 16, 2014, 3:01 p.m.
    ...characterized by single, linear, negative-sense, single-stranded RNA genomes. The virus does all of its damage ... also recently described how the glycoprotein transforms itself to escape vesicles within host cells and...the current Ebola crisis, Science and Science Translational Medicine have made their complete collection...
  2. What's New in CRISPR - May 2019

    Type
    Blog Post
    Published
    May 28, 2019, 12:49 p.m.
    ... strategy to enhance HDR repair using a single-stranded oligodeoxynucleotide HDR template covalently attached...Shapiro’s lab. After testing dCas9 fusions with transcriptional repressors, they found that fusing dCas9 to...to an Mxi1 repressor domain repressed transcription of HSP90 an essential C. albicans gene. Read the ...
  3. Making Career Development an Integral Part of the Science Training System

    Type
    Blog Post
    Published
    Feb. 25, 2021, 2:15 p.m.
    ...ample resources and a positive perspective on the transition to a post-academic career. This training was ... inadequate job of supporting science trainee transition into diverse, successful careers.  We’re not ...components of predoctoral and postdoctoral training. A grant from the National Institute of General Medical Sciences...
  4. What's New in CRISPR - Spring 2019

    Type
    Blog Post
    Published
    March 21, 2019, 12:47 p.m.
    ... °C but preferentially nicks the non-target DNA strand. The lab then found gain-of-function mutations ...mutations that allows it to be repurposed for double strand breaks at target sites. Read the paper in Nature... of stable genomic integration and is easily transferred via conjugation.   Read the paper in Nature...
  5. Designer PUF Proteins for Any RNA Target

    Type
    Blog Post
    Published
    June 17, 2014, 7:57 p.m.
    ...ability to direct enzymes – from nucleases to transcription factors – to specific sequences of DNA has become...Biological Engineering in March is fused to a translational repressor. In principle, however, designer PUF...of designer PUF proteins for specific post-transcriptional regulation of endogenous RNA. J Biol Eng. 2014...
  6. Bringing Sustainable Practices to the Lab: Innovations

    Type
    Blog Post
    Published
    March 7, 2019, 2:39 p.m.
    ... emphasizes Accountability, Consistency, and Transparency. This label scores products by their environmental... but with the right incentives (for example, by grant agencies), we can shift toward a more sustainable...your RMV to the landfill, it’s collected and transferred to the Red2Green processing facility, where it...
  7. Scientist Networking: What is an Informational Interview?

    Type
    Blog Post
    Published
    July 1, 2014, 3:42 p.m.
    ...connection that many people honor. Talking with strangers is usually challenging but does get easier with...you might spend a whole day having to talk with strangers. Be bold in asking all kinds of people to connect...to share their stories. Thanks to the Benjamin Franklin Effect, most people actually enjoy helping (just...
  8. X-CHIME: Context Dependent Germline Knockout in Immune Cells

    Type
    Blog Post
    Published
    Jan. 16, 2024, 6:13 p.m.
    ... LaFleur et al., 2019b). CHIME works through transduction of Cas9-expressing (Rosa26-Cas9) hematopoietic... a lentiviral vector containing a gRNA. These transduced stem cells can be implanted in irradiated recipients...four systems Name Function Plasmid Transduction Marker Mouse Strain C-CHIME Knocks out...
  9. Three Tips to Organize Your Lab Notebooks in the New Year

    Type
    Blog Post
    Published
    Jan. 2, 2014, 3:44 p.m.
    ...pile of lab notebooks and binder on your desk. Arrange them in chronological order (or by project, if ...Organize you experiments, keep track of upcoming grant deadlines, and sync everything to your calendar....lists of your upcoming tasks, set deadlines, and arrange automatic email reminders. These programs can be...
  10. Tag Your Favorite Yeast Genes with Ease

    Type
    Blog Post
    Published
    Nov. 19, 2013, 2:37 p.m.
    ...life repair genomic damage, specifically double strand breaks. Researchers have long taken advantage of...product is introduced into the cell by direct transformation. A given insert will typically contain both...selectable gene product for isolation of successful transformants. Addgene distributes several ready-to-use, modular...
  11. Who Gives a Tweet? 9 Facts About Scientists on Twitter

    Type
    Blog Post
    Published
    June 26, 2017, 1:31 p.m.
    ...historians have the most Twitter users. Biologists rank #8. Figure 1: Highly Represented Scientific Disciplines...Discipline. Biologists, neuroscientists, and ecologists (orange box) post tweets containing scientific domains ...network of life (green), physical (blue) and social (orange)  scientists largely cluster by discipline, suggesting...
  12. What's New in CRISPR - March 2020

    Type
    Blog Post
    Published
    March 10, 2020, 1:15 p.m.
    ...The system consists of dCas9, the mammalian transcriptional repressor Mxi1, and an optogenetic tool that...CRISPRi plasmids A multiplexed gRNA piggyBac transposon system for human pluripotent stem cells Lindy...and gRNAs whose expression varies depending on transgene design and delivery. They generated hPSC lines...
  13. IBEX Knowledge-Base: A Data Resource for Multiplex Tissue Imaging

    Type
    Blog Post
    Published
    June 8, 2023, 1:15 p.m.
    ...data, more discussion, and more functionality. Transparency, both in what works and in what doesn’t, and...Ichise, H., Gola, A., Kabat, J., Lowekamp, B., Speranza, E., Croteau, J., Thakur, N., Jonigk, D., Davis...00644-9 Radtke, A. J., Kandov, E., Lowekamp, B., Speranza, E., Chu, C. J., Gola, A., Thakur, N., Shih, R...
  14. London Calling - Addgene’s New Europe Office in London

    Type
    Blog Post
    Published
    June 10, 2014, 3:20 p.m.
    ... Today, that changes. Today, Addgene launches a brand new Europe office located in London and operated...spondylarthritis, using Bioluminescence Resonance Energy Transfer (BRET) technique, and plasmids to study the expression...specialising in Molecular Biology. She has worked in a range of labs - cancer research, microbiology, virology...
  15. Zebrafish as a Model for Behavior: Swimming into the Optogenetic Spotlight

    Type
    Blog Post
    Published
    July 16, 2019, 12:59 p.m.
    ...of neuroscience. The larvae of zebrafish are translucent and allow for noninvasive live imaging with fluorescent...that allow charged particles to cross the cell membrane when exposed to light. Neuronal firing depends... Portugues, Ruben, et al. "Optogenetics in a transparent animal: circuit function in the larval zebrafish...
  16. New CRISPR Web Resources and #12DaysofCRISPR Recap

    Type
    Blog Post
    Published
    Dec. 12, 2017, 3:13 p.m.
    ...or A:T->G:C edits in DNA without causing double-strand breaks. Our new page shows you base editing plasmids...certainly taken notice! Our newest page in the Transcriptional Regulation category already has five blue flame...with eSpCas9, SpCas9-HF1, & HypaCas9 Day 10: Transcriptional regulation: Truncated gRNAs for Regulating ...
  17. SunTag and Fluorescent Imaging

    Type
    Blog Post
    Published
    March 28, 2017, 2:30 p.m.
    ...better. More transcription factor binding sites in a promoter lead to higher transcriptional activation....for single molecule imaging, finding that plasma membrane-targeted CAAX-SunTag was 18-fold brighter than...
  18. Chemogenetics vs. Optogenetics: Which Method Should I Choose?

    Type
    Blog Post
    Published
    June 11, 2020, 1:34 p.m.
    ... have pushed the boundaries in neuroscience by granting targeted control over neuronal activity. While... Mouse studies, however, require a permanent intracranial implant to be surgically installed to allow ...receptors Invasiveness Mice require permanent intracranial implant Noninvasive Controlling Stimulation...
  19. Fostering communication in remote collaborations

    Type
    Blog Post
    Published
    April 21, 2020, 1:14 p.m.
    ...between my lab in Pennsylvania and a team in Paris, France. While efforts like these accelerate the progress...everyone can access data and drafts of manuscripts and grant applications in real-time so they can provide input...International Cancer Immunotherapy Conference in Frankfurt, Germany When funding and circumstances permit...
  20. Antibodies 101: Fc Effector Functions

    Type
    Blog Post
    Published
    May 18, 2023, 1:15 p.m.
    ... 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...where the eosinophils release cytotoxins via degranulation.  Antibody-dependent cellular phagocytosis (...
  21. Advice for Choosing a Research Project

    Type
    Blog Post
    Published
    April 17, 2014, 2:45 p.m.
    ... research project establishes your professional brand. It offers colleagues insight into your interests...understand where the field is today? Have you talked to veterans in the lab or the field? What are possible pitfalls...how can you mitigate them? If you were to write a grant for this project, what would be your critical experiments...
  22. Natural or synthetic? How Addgene’s dataset reveals trends in biological innovation

    Type
    Blog Post
    Published
    Nov. 8, 2018, 3:47 p.m.
    ... synthesis companies often work within a narrow range for GC content. Rare codons also are not good predictors...sequences is Proteobacteria - the most frequent transfer of genes is from Proteobacteria to mammalian expression...natural gene sequence is, the less likely it is transferred into another organism in the lab. Predicting ...
  23. 10 Great Guest Posts We're Thankful For

    Type
    Blog Post
    Published
    Nov. 18, 2016, 3 p.m.
    ...sequences required for viral replication and transcription as well as reporter genes. To learn how you ... your research, check out this post! R Bodies: Membrane-Rupturing Microscopic Tools In this post, Jessica...also showed that R-bodies can rupture E. coli membranes. Read the full post for potential applications...
  24. Plasmids 101: Origin of Replication

    Type
    Blog Post
    Published
    Nov. 11, 2020, 2:23 p.m.
    ...plasmids from the same group should not be co-transformed, so if you need two plasmids for an experiment... same incompatibility group should not be co-transformed. +Actual copy number varies. See below for ...stocks, agar stabs, or liquid cultures. Freshly transformed cells also give a higher plasmid yield that colonies...
  25. New and Upcoming Viral Vectors - June 2019

    Type
    Blog Post
    Published
    June 18, 2019, 1:15 p.m.
    ...particular study, which includes comparing the transduction patterns of different AAV serotypes. To help... Biosensor AAV The ability to detect the neurotransmitters and other bioactive molecules is integral ...ppAAV-CKIIa-stGtACR1-FusionRed New tetracycline transactivators Plasmid Serotype Name 99120  AAV1 pAAV-ihSyn1...
  26. "Build Your Plasmid": The Game - Play to Teach

    Type
    Blog Post
    Published
    July 17, 2018, 12:23 p.m.
    ...Resistance gene and Selection Markers) and one “Transfer Plasmid” game board. Once they agreed on each ...had 35 minutes to develop a strategy and build a transfer plasmid that could be used to genetically manipulate... this way, the students also had to practice transferable skills like team building, collaborative critical...
  27. Learning Technical Skills at a Lab Central Workshop

    Type
    Blog Post
    Published
    Feb. 20, 2018, 2:30 p.m.
    ... The space was modern with clean bold colors of orange and white. The decor was very contemporary and ...components. Without proper processing, these small DNA strands can form concatemers in later steps. This new NEB...hours. It was robust, capable of generating a wide range of insert sizes and also produced high yields of...
  28. With Our New Viral Service, We're Taking CRISPR Further!

    Type
    Blog Post
    Published
    Dec. 6, 2016, 3:30 p.m.
    ...ready-to-use lentivirus from Addgene, you’ll also receive transfer plasmid DNA that you can use along with lentiviral...Addgene Blog Get the Most from Your Lentiviral Transdution Using Virus in Your Research: A Primer for Beginners...Beginners 5 Tips for Troubleshooting Viral Transductions Additional Resources on Addgene.org Visit the...
  29. Early Career Researcher Toolbox: Free Tools for Science Writing

    Type
    Blog Post
    Published
    April 28, 2021, 1:15 p.m.
    ... out and onto the screen and transform your work into a paper or a grant. Here’s a list of tools and resources...in red, words with a medium frequency of use in orange, and common words with high frequency of use in...
  30. K. phaffii: Rising to the Occasion

    Type
    Blog Post
    Published
    April 4, 2023, 1 p.m.
    ..., K. phaffii is exceptionally good for post-translational modification of recombinant protein products...proteins. Peroxisome studies Peroxisomes are small, membrane-bound organelles essential for sequestering certain...non-homologous end joining (NHEJ) to perform DNA double strand break repair instead of homologous recombination...
  31. Summer SciComm Series: A PhD in Science Communication

    Type
    Blog Post
    Published
    Aug. 23, 2022, 1:15 p.m.
    ...used to stay up past my bedtime, poring over my grandparents’ medical textbooks by torchlight under the covers... “motivated reasoning,” the catchall term for a range of neat little tricks our minds perform to avoid...difference between airborne and aerosolised droplet transmission and how different fabrics and mask designs could...
  32. New and Upcoming Viral Vectors - May 2020

    Type
    Blog Post
    Published
    May 28, 2020, 1:15 p.m.
    ...expression, researchers often need to determine these transduction patterns empirically for their own experiments...AAV2 pOTTC1032 - pAAV EF1a Nuc-flox(mCherry)-EGFP Brandon Harvey 50457 AAV2 pAAV-hSyn-DIO-EGFP Bryan Roth...system takes advantage of the extensive supply of transgenic reporter lines that supply a variety of GFP expression...
  33. Antibodies 101: ChIP

    Type
    Blog Post
    Published
    March 10, 2022, 3:25 p.m.
    ...Fragmenting  The next step is break the DNA into random, small pieces of roughly equal size, typically ...enzymatic digestion. Sonication provides a truly random digestion, but is harsher and requires more optimization...your protein of interest is a low abundance transcription factor or cofactor. In such cases, the gentler...
  34. Antibodies 101: Isotypes

    Type
    Blog Post
    Published
    Oct. 19, 2021, 1:15 p.m.
    ...that helps attack extracellular pathogens.  Transportation of antibodies to places they can’t reach on...region, can be bound by special receptors that transport antibodies through cells and into different body...tears, saliva, mucus) where it protects mucosal membranes. This isotype is most commonly a dimer with a ...
  35. Flow Cytometry Readouts: Yes, No, and Everything in Between

    Type
    Blog Post
    Published
    Aug. 20, 2024, 1:15 p.m.
    ... Figure 2: (A) a smeary dot plot showing a range of antibody readouts. (B) A gate on the smeary dot...histogram plot for a smeary antibody readout. The orange peis the baseline expression of the protein of ...yes-no histogram plot shown previously. Here, the orange peak is a baseline expression of a protein while...
  36. How to Make Friends and Meet People at a Scientific Conference

    Type
    Blog Post
    Published
    Aug. 7, 2014, 1:58 p.m.
    ...these people you meet will review your papers or grants in the future, and don’t be surprised to know that...personally Scientists in your field will know about grants and projects that might help your work Tenure can...just a meeting, but having lunch twice turns a stranger into a friendly colleague. Recommended Reading...
  37. Plasmids 101: Yeast Vectors

    Type
    Blog Post
    Published
    Feb. 25, 2014, 7:11 p.m.
    ...and animals. Unlike bacteria, yeast can post-translationally modify proteins yet they still share many of... genetic system, and a highly versatile DNA transformation system.Unlike most other microorganisms, yeast...plasmids oftentimes utilize an ARS to aid in high transformation efficiency; however, this region does not necessarily...
  38. Form Your Own Peer Mentoring Group: A How-To Guide for Scientists

    Type
    Blog Post
    Published
    Feb. 18, 2014, 4:22 p.m.
    ...meeting at both the Fox Chase Cancer Center and Brandeis University. 5 easy steps to forming your own peer... of people who are all interested in making a transition. Schedule your first meeting and get organized... your successes and support each other as you transition to the next stage in your careers! Stay in touch...
Showing: 521 - 560 of 796 results