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Showing: 121 - 160 of 550 results
  1. Deep Dive: Fixing and Permeabilizing for Immunofluorescence

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    ...Solvents Organic solvents, generally acetone, methanol, or ethanol, work by dehydrating and precipitating cellular...saturated being 37%). Formalin solutions often contain methanol as well, in order to slow the polymerization of...hidden within the folded protein (green region). Methanol dehydrates the protein, which can disrupt protein...want to fix and permeabilize in one step, then methanol treatment could be an effective strategy. (This...
  2. CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More

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    ...Mar 3, 2016 and last updated Apr 13, 2021 by Will Arnold. Although CRISPR systems were first discovered ...MAGE (Multiplex Automated Genome Engineering) technology (Ronda et al., 2016). pMA7CR_2.0 expresses lambda...Scientists have begun to realize the potential CRISPR technology can have on the human microbiome. You can consider...produce sequence-specific antimicrobials. Nat Biotechnol 32:1146–1150 . https://doi.org/10.1038/nbt.3043...efficiently delivered RNA-guided nucleases. Nat Biotechnol 32:1141–1145 . https://doi.org/10.1038/nbt.3011...bacterial genomes using CRISPR-Cas systems. Nat Biotechnol 31:233–239 . https://doi.org/10.1038/nbt.2508...
  3. What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program

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    ...generating interesting drug-like compounds especially cardenolides which have been used to treat heart disease....disease. Caterpillars that eat milkweed generate cardenolides that tastes yucky (and is poisonous) for bird ...with RNAi to make a polygamous species monogamous. Anolis sagrei (Doug Menke) No methods were available to... to create targeted gene mutations in anoles lizards or in any reptiles at all. But new success is coming... used study the genetic basis of evolution in immunology, neurobiology, and more. Prochlorococcus (Penny...
  4. Plasmids 101: Gateway Cloning

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    ... invention in the late 1990s, Gateway cloning technology has become very popular as a rapid and highly...and its advantages. An introduction to Gateway technology The Gateway cloning method, developed by Invitrogen...clone in their desired DNA sequences. Gateway technology relies on the two reactions described below: ... more information. How to clone using Gateway technology To better understand the process, we’ll walk ...References 1. Chee JY, Chin CF (2015) Gateway Cloning Technology: Advantages and Drawbacks. Clon Transgen 4:138...
  5. Antibodies 101: Single Chain Fragment Variables (scFvs)

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    ...antibodies: the power of in vitro display technologies. Nat Biotechnol 29:245–254 . https://doi.org/10.1038...of Milstein and Köhler who developed hybridoma technology. But what about single chain fragment variables...Clinical Application. Clinical and Developmental Immunology 2012:1–15 . https://doi.org/10.1155/2012/980250...(2016) The birth of monoclonal antibodies. Nat Immunol 17:S13–S13 . https://doi.org/10.1038/ni.3608  Monnier...
  6. CRISPR 101: Engineering the Plant Genome Using CRISPR/Cas9

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    ... editing technologies have been shown to be excellent alternative genome editing technologies especially... single-walled carbon nanotube carriers. Nat Nanotechnol 14:447–455 . https://doi.org/10.1038/s41565-019...confers heritable resistance to powdery mildew. Nat Biotechnol 32:947–951 . https://doi.org/10.1038/nbt.2969...Applications of CRISPR–Cas in agriculture and plant biotechnology. Nat Rev Mol Cell Biol 21:661–677 . https://...
  7. Podcast: A Malawian Professor's Path to Biotech Research

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    ...Horticulutre Biotechnology, he did his PhD in Plant Breeding, Genetics, and Biotechnology at Michigan ...works as a lecturer in molecular genetics and biotechnology for Horticulture and Forest Crops at the Lilongwe...sciences and agriculture 5:47-9:35 : Kingdom's biotechnology research at Michigan State University 9:36-10...
  8. Mycoplasma Contamination: Where Does It Come From and How to Prevent It

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    ...Assistant at MGMs Institute of Biosciences and Technology. If you are reading this article then you probably...Mycoplasma Removal Agents (MRA) are derivatives of the quinolone family of antibiotics and are broad-spectrum antibiotic...culture media. Also, drugs like BM Cyclin, fluoroquinolone ciprofloxacin, ciprobay, zagam, baytril, tetracycline...Assistant at the MGMs Institute of Biosciences and Technology in India. Jadhav has a Master's degree in Molecular...of Milan, Italy) and a Bachelor's degree in Biotechnology.       References Degeling MH, Maguire CA, ...
  9. Plasmids 101: Modular Cloning Applications and Kits

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    ...once you are up to speed on the basics of the technology. In this blog, we will highlight some common ...applications and kits. Keep in mind that this technology is useful for a variety of purposes beyond what...expression in yeast MoClo is also for eukaryotes! The technology has been used to optimize protein secretion and...Heterologous Proteins in Yeast Mitochondria.” BMC Biotechnology, vol. 17, no. 1, Springer Science and Business... Enables Rapid Assessment of Emerging CRISPR Technologies. Cold Spring Harbor Laboratory, 27 Oct. 2023...
  10. Celebrating Outstanding CRISPR/Cas9 Achievements at the Dr. Paul Janssen Award Dinner

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    ...are swarming to see what can be done with this technology to help patients. Dr. Stoffels and others in ...months compared to a year or greater with older technologies. Addgene is proud to be helping get CRISPR reagents..., the panelists agreed that, for example, the technology is already available today to cure sickle cell...really sophisticated”.     New to CRISPR/Cas9 Technology? Learn More: Addgene's CRISPR/Cas9 Guide History...
  11. Lentiviral CRISPR Libraries Enable Genome-Scale, Knockout Screening

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    ...It’s clear that CRISPR-Cas9 technology has really changed the game for anyone looking to quickly and ...question. Additionally, a concurrent Nature Biotechnology article describes the development of a mouse...accessible before are now accessible using this technology.” GeCKO library for genomic screens Using lentivirus... Castillo Velasco-Herrera M, Yusa K. Nature Biotechnology. 2013 Dec 23. (Article). Read more about CRISPRs...
  12. History of CRISPR Cas - A tale of survival and evolution

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    ...survival tactics of prokaryotes to deliver the technological biological blockbuster known as the CRISPR (...multiplexibility, and ease of use. In order for this technology to survive the diverse demands of the biotech...various innovative biological and translative technologies. Addgene has empowered researchers to harness... idea or application that involves CRISPR/Cas technology? Let us know.  References Ishino Y, Hideo,...
  13. Donations from Addgene to Yield Answers for Rare Disease Researchers

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    ...the chance to win some of the latest tools and technologies in life sciences research. The rare disease ...countries. “Over $600,000 worth of cutting-edge technologies were awarded to study 31 rare diseases,” said...ll combine induced pluripotent stem cell (iPS) technology and CRISPR-Cas9 constructs from Addgene to gene-edit...those mutations, they now plan to use CRISPR-Cas9 technology to create cell lines and/or mouse models carrying...
  14. Prime Editing: Adding Precision and Flexibility to CRISPR Editing

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    ...DNA sequences with twin prime editing. Nature Biotechnology, 40(5), 731–740. https://doi.org/10.1038/s41587...deletions using paired prime editing. Nature Biotechnology, 40(2), 218–226. https://doi.org/10.1038/s41587...optimized, paired pegRNAs in plants. Nature Biotechnology, 39(8), 923–927. https://doi.org/10.1038/s41587...pegRNAs improve prime editing efficiency. Nature Biotechnology, 40(3), 402–410. https://doi.org/10.1038/s41587...cleavage using CRISPR-directed integrases. Nature Biotechnology, 41(4), 500–512. https://doi.org/10.1038/s41587...
  15. A Novice's Perspective on Neuroscience - SfN2017

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    ...many opportunities to learn about and develop technologies that will have impacts on many different facets...ready to discuss their VR helmets, gait tracking technologies, and brain monitors. Walking around the poster... addition to the researcher using sequencing technologies to study microbiome interactions with Alzheimer's...genes to many different cell types with minimal immunological effects. AAVs are used in experiments targeting...
  16. Clear and Accessible Writing

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    ... Figure 1: An image from AAV Purification by Iodixanol Gradient Ultracentrifugation First, you’ll... on our protocol page for AAV Purification by Iodixanol Gradient Ultracentrifugation. The reader may be...text: "The left panel is a profile photo of an iodixanol gradient after ultracentrifugation. The interfaces...of the 40% layer containing the virus and 60% iodixanol layer, with the bevel pointed up. A syringe at...
  17. Advice for Starting a Biotech Company from a Grad Student turned Entrepreneur

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    ... the best product-market fit for this set of technologies, effectively communicating the advantages embodied...successful if they are 100X better than current technology and get customers to change behavior. When you...raised and the company may begin to prove the technology. This transition takes around 1 – 2 years. ... The product is the measure of success. Technology is proven in (A) Productize, (B) Roll out to market...
  18. Channelrhodopsins with improved light sensitivity for minimally-invasive optogenetics

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    ...channelrhodopsin-based optogenetics minimally-invasive, Frances Arnold’s lab and Viviana Gradinaru’s lab used machine learning...design challenges To overcome these challenges, the Arnold and Gradinaru Labs developed a machine-learning...guarantee their success in vivo. Therefore, the Arnold and Gradinaru Labs expressed ChRgers in mice to..., Yang KK, Robinson JE, Mackey ED, Gradinaru V, Arnold FH (2019) Machine learning-guided channelrhodopsin...
  19. Gendered Innovations: Why Does Sex of the Cell Matter?

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    ...innovations” stimulates excellence in science and technology by integrating sex and gender analysis into research... disease being treated, and other hormonal, immunological, and environmental factors. How to include sex...international expert on gender in science and technology and currently directs the EU/US Gendered Innovations...Nations on the topic of “Gender, Science, and Technology” in 2011 and again in 2014. Resources on the ...
  20. CRISPR Meets Synthetic Biology: A Conversation with MIT’s Christopher Voigt

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    ...Voigt: The top products out of biotechnology today are things like butanol - very simple molecules - a few...it, his lab at the Massachusetts Institute of Technology has been “working on new experimental and theoretical... collision that’s taking place between CRISPR technology and synthetic biology, the tools he’s making ...
  21. Plasmids 101: Cre-lox

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    ...recombination. What is Cre-lox? The Cre-lox system is a technology that can be used to induce site-specific recombination... lethality. To facilitate the use of Cre-lox technology, transgenic mice have been constructed that express...system is another site-directed recombination technology very conceptually similar to Cre-lox, with flippase...analogous to Cre and loxP, respectively. The FLP-FRT technology can be an effective alternative to Cre-lox, and...
  22. Plasmids 101: The Wide World of Natural Plasmids

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    ... Potential Applications in Biotechnology. Critical Reviews in Biotechnology, 24(4), 155–208. https://doi.org...virulence plasmid are now used routinely in biotechnology to transform plant cells. Degradative plasmids...Nature’s toolbox for new and exciting molecular technologies!  This post was originally written by Jessica...
  23. Plasmid-based Recombinant Monoclonal Antibodies: What They Are and Why You Should Be Excited About Them

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    ...revolution for antibodies. Recombinant antibody technology makes it easy for scientists to share, remix,...proposed a shift to recombinant DNA-based antibody technologies (Bradbury & Plückthun, 2015a).   Figure...monoclonal antibodies for enhanced multiplex immunolabeling of brain. eLife 8: . https://doi.org/10.7554...srep31730 Tsuruta LR, dos ML, Moro AM (2018) Display Technologies for the Selection of Monoclonal Antibodies for...
  24. Hot Plasmids February 2024

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    ...Susanna Stroik Even with the advances in CRISPR technology over the past decade, primary cells remain difficult...using peptide-assisted genome editing. Nature Biotechnology, 10.1038/s41587-023-01756-1. https://doi.org...monomeric StayGold fluorescent protein. Nature Biotechnology, 1–4. https://doi.org/10.1038/s41587-023-02018...throughout the non-human primate brain. Nature Nanotechnology, 18, 1241–1251 (2023). https://doi.org/10.1038...
  25. Story of a SynBio Startup: RevBio's Epiphany (or Lack Thereof)

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    ...ideas (how to stop rhino horn poaching using biotechnology) were thrown on the table and dissected with...reputation. The public is can be fearful of this technology and angry at the agriculture companies that produce...opportunity has given us the chance to develop the technology we will need, and the business training to make...and Biochemistry from the Illinois Institute of Technology in 2004, she accepted a commission in the United...
  26. Viral Vectors 101: Producing Your rAAV

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    ...qPCR Using SYBR Green TechnologyAAV Titration by ddPCRAAV Purification by Iodixanol Gradient UltracentrifugationAAV...Figure 1: Overview of key steps of AAV production, iodixanol gradient purification, and AAV titration by qPCR...purified by density gradient centrifugation (e.g., iodixanol) using a high-speed ultracentrifuge. During the...
  27. PRIDICT: Predicting Efficiencies of Prime Editing Guide RNAs

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    ...Prime editing is a versatile genome editing technology that allows precise modifications of DNA (replacements...features and DNA repair determinants. Nature Biotechnology 2023, 1–11. https://doi.org/10.1038/s41587-023...and product purity by deep learning. Nature Biotechnology, 41, 1151–1159. https://doi.org/10.1038/s41587...efficiency across diverse chromatin contexts. Nature Biotechnology. https://doi.org/10.1038/s41587-024-02268-2 ...
  28. SciComm: Taking Science to Elementary and Middle Schools

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    ... last 5 years to incorporate more science and technology into the school curriculum. Our Parent Teacher...and the internet before it, genome engineering technology is moving along much faster than it can be officially...sugarcoat the potential dangers of people using the technology in an unethical manner, but I also tried not ... timely.” Genome engineering, and many other technologies and fields in biology, are moving so quickly...
  29. A Guide to Starting Your Own Journal Club

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    ...must stay current with literature and emerging technologies to remain competitive and relevant. Enter: the...department, we had two recurring journal clubs on Immunology and Microbial Pathogenesis that occurred once...spirited and focused as opposed to a wandering monologue?  Assuming the feedback is generally positive ... Will Arnold...
  30. CRISPR Antimicrobials

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    ...Figure 1). Citorik et al. targeted beta-lactam and quinolone resistance genes in E. coli using plasmid and ...plasmid. In the case of the genomically encoded quinolone resistance, mediated by a single base pair change...efficiently-delivered RNA-guided nucleases.” Nature Biotechnol. 32(11): 1141-5. (2014). PubMed: PMID 252409288...produce sequence-specific antimicrobials.” Nature Biotechnol. 32(11): 1146-50. (2014). PubMed: PMID 25282355...
  31. Bacterial Toxin-antitoxin Systems as Molecular Biology Tools

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    ...the AOX1 promoter whose expression is induced by methanol. Once linearized, the delivery vector can be integrated...Zeocin resistance. Then, counter-selection with methanol medium selects for those cells that have removed... In cells where recombination has not occured, methanol induces the production of the toxic MazF leading...Vibrio cholerae vaccine strain CVD 103-HgR." FEMS Immunology & Medical Microbiology 57.1 (2009): 69-79. PubMed...
  32. Finding nucleic acids with SHERLOCK and DETECTR

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    ... for clinical diagnostics, genotyping, and biotechnological advancements. Many methods of nucleic acid...Biosciences has been started based on DETECTR technology with the mission to “provide a CRISPR-based platform...strip format. They published this in Nature Biotechnology. Like the SHERLOCK detection system, DETECTR...CRISPR–Cas12-based detection of SARS-CoV-2. Nature Biotechnology. https://doi.org/10.1038/s41587-020-0513-4 Chen...
  33. Getting the Most from Your Lentiviral Transduction

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    ...reports suggest rapidly freezing virus in a dry ice/ethanol bath or liquid nitrogen prior to storing. Know ...effects, detection, elimination, prevention.” Cytotechnology 39.2 (2002). 75-90. Pubmed PMID: 19003295. ...oncoretroviral and lentiviral gene therapy vectors.” Biotechnology Advances 24.3 (2006). 321-37. Pubmed PMID: 16448798... effect of sera and polycations.” Molecular Biotechnology 53.3 (2013). 308-14. Pubmed PMID: 22407723. ...
  34. Proximity Labeling: A Powerful Tool for Protein Complex Purification and Proteomic Mapping

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    ..., 2013). APEX catalyzes the oxidation of biotin-phenol to the short-lived biotin-phenoxyl radical in the... 2012). It is important to note that the biotin-phenol reagent can be toxic to living cells thus APEX ...living cells and organisms with TurboID." Nature biotechnology 36.9 (2018): 880. PubMed PMID: 30125270. PubMed...encoded reporter for electron microscopy." Nature biotechnology 30.11 (2012): 1143. PubMed PMID: 23086203. PubMed...
  35. Plasmids 101: Expressing shRNAs for RNA Interference

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    ...it comes to altering gene expression, CRISPR technologies have gradually taken over as the preferred method... their promoters in human and mouse. Nature Biotechnology, 35(9), 872–878. https://doi.org/10.1038/nbt... constructing shRNA expression vectors. BMC Biotechnology, 6(1). https://doi.org/10.1186/1472-6750-6-1...mechanisms of actions, and circulation. Frontiers in Endocrinology, 9. https://doi.org/10.3389/fendo.2018.00402...
  36. Plasmids 101: Gibson Assembly and Other Long-Homology Based Cloning Methods

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    ...alternatives to restriction enzyme cloning. These newer technologies have become more and more common, and for good...Gibson assembly combined with the popular CRISPR technology and is described in a recent publication by the...technically challenging. Other homology based technologies We've described Sequence and Ligation Independent... Kahl, L. J. & Endy, D. A survey of enabling technologies in synthetic biology. J. Biol. Eng. 2013; 7,...
  37. Exploring Applications of the Bioluminescent HiBiT Tag

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    ...from the lab bench into drug development. HiBiT technology helps close this gap! Bridging discovery gaps...  Figure 1: Schematic of HiBiT tagging technology.   The bioluminescence advantage There are...a closer look at several applications of this technology. In each section below, we cite the original ...LgBiT, and the authors used a p53 response-element NanoLuc reporter to show that the mutants abolished transcriptional...
  38. A History of Genome Engineering in Popular Culture

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    ...founded.  This commercialization of gene editing technology led to the development of many important medical...double-strand breaks (DSBs) in the genome. These technologies rely on the cellular DNA repair machinery, which...genetic engineering and open advertisement of the technology on various non-scientific platforms, CRISPR has...perspective of the current. Although genome editing technologies have brought a renaissance in the field of health...
  39. Typing CRISPR Systems

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    ...classification system for the array of CRISPR technologies. Learning the general principles of this classification...the first taught when introducing CRISPR as a technology. There are three subtypes, A–C, with the beloved...Y. (2018). Class 2 CRISPR/Cas: an expanding biotechnology toolbox for and beyond genome editing. Cell ...Yoshimi, K., & Mashimo, T. (2022b). Genome editing technology and applications with the type I CRISPR system...
  40. Which Fluorescence Microscopy Technique is Best for Me?

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    ...sports photographer at the Super Bowl, a medical technologist taking an x-ray, or a biologist imaging the ...microscopes (see Table 1). Thin dynamic samples Ex: monolayers of live cells with fluorescently labelled, motile...doses to the cells. Thin static samples Ex: Fixed monolayers of cells or thin (<15 μm) tissue sections and...imaging technique but recent advances in scanner technology and parallelization (7) have allowed for real-time...
Showing: 121 - 160 of 550 results