We narrowed to 169 results for: PHI-1;
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TypeBlog PostPublishedMay 20, 2025, 1:15 p.m....designed to shuttle between species. Figure 1: Shuttle vectors are vectors that can function in ...the vector to survive while the auxotrophic cells die. Some auxotrophic selection markers can be used across...choose to ensure it works in your host species! Auxotrophic selection Another option is to use a different...different method of selection entirely. Auxotrophic selection relies on the host organism being unable to synthesize... example, in both S. cerevisiae and E. coli. Auxotrophic selection is especially common in yeast experiments...spontaneously develop resistance to selection toxins. Auxotrophic selection is useful for producing stable mammalian...
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DAP arrays for multiplex gene editing
TypeBlog PostPublishedJuly 7, 2022, 1:15 p.m.... genes with a single viral vector. Fig. 1: Schematic of multiplex gene editing with DAP array... multiple genetic diseases, such as muscular dystrophies, heart disease, and type 2 diabetes, across four...multiplex genome engineering of crops or allow for sophisticated CRISPR screenings that would perturb the unprecedented... -
Synthetic Photobiology: Optogenetics for E. coli
TypeBlog PostPublishedSept. 8, 2015, 2:30 p.m....red light rapidly deactivates the system. Version 1 of this far-red/red light-responsive system is spread... also be used to engineer new pathways with sophisticated gene expression controls. Most cell types do...light; these two systems can be coexpressed for sophisticated control of gene expression. An E. coli light-sensitive... -
What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program
TypeBlog PostPublishedMay 2, 2019, 12:41 p.m....know that most cephalopods die after they lay their 1 clutch of eggs? Propagation is thus quite difficult...organism blog posts: Five Popular Model Organisms, Part 1 Five Popular Model Organisms, Part 2 ...communities using them grow. So, think beyond Drosophila melanogaster or Saccharomyces cerevisiae (both... -
Antibodies 101: Reading a Flow Plot
TypeBlog PostPublishedFeb. 6, 2024, 3:13 p.m....Figure 1). Clustered events are called a population. Figure 1: While..., Li, J., Greiner, D., & Anderson, D. (2015). Neutrophil Responses to Sterile Implant Materials. PloS ... -
Getting Started with Behavioral Neuroscience: Standardizing Experiments and Using Viral Vectors
TypeBlog PostPublishedAug. 20, 2019, 12:31 p.m....manipulation, there are two main decisions to make: 1. Which modification? and 2. Which viral vector should...years, with historical ties to psychology and philosophy (the mind-body problem). Because of the availability...function directly such as receptor subunits or neurotrophic factors. Another option uses optogentics to ... -
Plasmids 101: The Promoter Region – Let's Go!
TypeBlog PostPublishedApril 3, 2014, 8:05 p.m....mammalian expression from human elongation factor 1 alpha Constitutive Tends to give consistent expression... from Drosophila Actin 5c gene Constitutive Commonly used in expression systems for Drosophila. Polyhedrin...containing Gal4 binding sites, commonly used in Drosophila Specific Requires the presence of Gal4 gene to... -
March for Science
TypeBlog PostPublishedApril 21, 2017, 2:30 p.m....education, government, and civilization in general (1). Science and politics? Science is an apolitical process...consequences of a march. Three of these risks include: 1) Lost trust Perhaps the greatest risk is that the ...Trump’s immigration ban Studies in History and Philosophy of Science Part: Democratic values and their ... -
CRISPR 101: Off-Target Effects
TypeBlog PostPublishedFeb. 8, 2024, 2:15 p.m....downstream experiments. You only successfully generate 1 null clone and proceed with it. In this case, the ...there are 10 putative off-target locations you can 1) determine if editing at those sites would confound...for mismatches within the gRNA sequence. Graphic courtesy of Maya Kostman. The most commonly... -
What's New in CRISPR - March 2020
TypeBlog PostPublishedMarch 10, 2020, 1:15 p.m....plasmids CRISPRi in Caulobacter crescentus Figure 1: Serial dilutions of CRISPRi in Caulobacter cells ... the type II CRISPR3 module of Streptococcus thermophilus (the popular Streptococcus pyogenes system does... -
Lentiviral CRISPR Libraries Enable Genome-Scale, Knockout Screening
TypeBlog PostPublishedFeb. 20, 2014, 4:57 p.m....plasmids. The Zhang lab, on the other hand, uses a 1 plasmid, single infection system. Genome wide mouse...not possible before,” said the Broad Institute's Ophir Shalem. “Whole regions of the genome which were ... -
New CRISPR Web Resources and #12DaysofCRISPR Recap
TypeBlog PostPublishedDec. 12, 2017, 3:13 p.m....social media? No problem - see our recap below! Day 1: gRNA design tools: How to Design your gRNA for CRISPR... category. Each plasmid page now has a helpful graphic to introduce you to the plasmid class covered on... -
Hot Plasmids - October 2020
TypeBlog PostPublishedOct. 13, 2020, 1:15 p.m.... inhibitory synapses in the brain. Figure 1:Schematic diagram of different FingR constructs and...over to our CRISPR Plasmids and Resources page. CasPhi is 70 kDa Cas protein identified exclusively in... RNA targeting Cas system that can be used in Drosophila melanogaster. Get the plasmids at Addgene The... -
Science communication: 9 Strategies to Get Your Foot in the Door
TypeBlog PostPublishedSept. 27, 2017, 1:23 p.m....started: Subscribe to Career Blog Posts from Addgene 1) Twitter – Get your voice out there Here’s one thing...involved in education advocacy non-profits like Phipps Conservatory or the Brilliant Club and share your...Radio, WIRED, Scientific American or National Geographic. Similarly, media fellowships from the British... -
CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More
TypeBlog PostPublishedSept. 28, 2020, noon...in Streptomyces (Cobb et al., 2015). pCRISPomyces-1 includes Cas9, a tracrRNA, and a CRISPR array, while...INTEGRATE consists of four major components including (1) a CRISPR RNA, (2) four proteins forming the QCascade...identified the Cas9 orthologue from Streptococcus thermophilus, Cas9sth1 as a robust and highly active enzyme... al., 2014). These could be genes, specific polymorphisms, including antibiotic resistance genes. This... -
Antibodies 101: The Basics of Western Blotting
TypeBlog PostPublishedMarch 8, 2021, 2:41 p.m....to western blotting In a western, proteins are: (1) separated by size, (2) transferred to a membrane,... (3) detected using antibodies. Figure 1: Overview of the Western blot process. The sample,...sulfate-polyacrylamide gels to unmodified nitrocellulose and radiographic detection with antibody and radioiodinated protein... -
Intro to Our Summer SciComm Series!
TypeBlog PostPublishedJune 9, 2022, 1:15 p.m....in online patient/caregiver communities Table 1: Examples of defining your audience for science communication...ethnic background, patient or caregiver status, geographic location, sense of humor, media consumed… really... -
Behind-the-scenes of the Isolation of the Thermostable IgnaviCas9 From a Yellowstone Hot Spring
TypeBlog PostPublishedNov. 12, 2019, 2 p.m....could be kept frozen after collection. Figure 1: Paul included a voltmeter on top of the battery box...sampling trip to Yellowstone National Park (YNP). Extremophiles - phylogenetically diverse microbes living in... -
Finding Your Science Policy Path
TypeBlog PostPublishedSept. 22, 2020, 1:15 p.m....relations, advocacy, and writing legislation (see Figure 1 for career map). The beautiful part of science policy...about science policy as a profession. Figure 1: Science policy can lead you to many paths! For a ...approval for a new product or a well-endowed philanthropy who can shift the funding landscape to focus... -
Advancing Biology with Zebrafish: Genetic Tools for Developmental Studies and More
TypeBlog PostPublishedAug. 13, 2019, 12:58 p.m.... such a popular model organism? Zebrafish (Figure 1) were initially recognized as a useful vertebrate ...approach that exploits the bacteriophage integrase phiC31. The popular UAS/Gal4 and Cre/Lox gene regulatory...2018): 967-968. PubMed PMID: 29853675. Keller, Philipp J., et al. "Reconstruction of zebrafish early embryonic...