We narrowed to 577 results for: BASE
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TypeBlog PostPublishedJuly 1, 2025, 1:15 p.m....the most popular options, so most of this post is based on reading results from a NanoDrop. The principles...calculate a sample’s nucleic acid concentration based on the sample’s absorption at 260 nm (A260). ...use a complementary assay, such as a fluorescence based assay or running an agarose gel. In the case of ...
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Degrading DNA with Cascade-Cas3
TypeBlog PostPublishedFeb. 11, 2025, 2:15 p.m....number of ways, from small edits that change single base pairs, to chromosomal inversions and large deletions...1 CRISPR systems make up the majority of CRISPR-based immune systems in bacteria and archaea. Class 1 ...deletions of up to hundreds or even thousands of base pairs, stopping either at boundaries defined by ...originally suspected that Cas3 moved a couple of kilobases down the strand of DNA, Cascade caught up to it... -
CRISPR Between the Genes: How to Experiment with Enhancers and Epigenomics
TypeBlog PostPublishedAug. 9, 2016, 2:30 p.m.... the very beginning of the third chromosome, ten base pairs in length. An emerging family of sequencing...increase the expression of a gene that is millions of base pairs away. (For details on DNA compaction and the...parsed for spCas9 PAM sites (NGG) and then filtered based on two main criteria: no TTTTT allowed (this is ...here with permission. Quilt is a collaborative database for genomics. In this article, Quilt CTO Aneesh...is CTO at Quilt Data. Quilt is a collaborative database. Aneesh's research interests span machine learning... -
Tips for Screening with Yeast Two Hybrid Systems
TypeBlog PostPublishedOct. 22, 2015, 2:30 p.m....common to use many preys with a single bait in Y2H-based screens. In this way, proteins that interact with...proteome of a particular cell type, or a subset based on a cellular compartment or growth stage). A prey...protein-protein interactions in mammalian cells based on protein splicing. Anal Chem. 2001; 73:2516-2521... Including a prey-only control also provides a baseline level of reporter activation. Vary the expression... -
New Antibodies in the Lab Animation!
TypeBlog PostPublishedNov. 19, 2024, 2:15 p.m....Thinking about using antibody-based applications in your experiment...but not sure where to start or ... -
Antibodies 101: Introduction to Antibodies
TypeBlog PostPublishedJan. 19, 2021, 2:15 p.m....immunoglobulin genes, recombinant antibodies are plasmid-based. Their sequences can be optimized for specificity...Arbabi-Ghahroudi et al., 2017). Although they’re based on the immune system of llamas, synthetic nanobodies...mixture of proteins. The proteins are separated based on molecular weight by SDS-PAGE, and are subsequently...well as tools for developing and producing plasmid-based antibodies - and we’re always growing our collection... -
Optogenetics + CRISPR, Using Light to Control Genome Editing
TypeBlog PostPublishedSept. 3, 2020, 12:15 p.m....lab at Duke University developed similar systems based on the light-inducible heterodimerizing cryptochrome...systems have been developed for use with CRISPR-based gene editing (see table below). For example, the...possibilities for optogenetic manipulation of CRISPR-based systems in animal models. Use Anti-CRISPRs to Turn...Hasegawa S, Yoshimoto K, Sato M (2017) CRISPR–Cas9-based photoactivatable transcription systems to induce..., Kawano F, Suzuki H, Sato M (2015) CRISPR-Cas9-based Photoactivatable Transcription System. Chemistry...transcription Zhou et al., 2020 NPOM-caged nucleobases Cas9, photocaged-gRNA Gene editing For more... -
28 Hot Plasmid Technologies from 2015
TypeBlog PostPublishedDec. 23, 2015, 3:30 p.m.... Santalucía Lab has developed a cloning toolkit based on the Multisite Gateway® technology from Life Technologies...MultiSite Gateway Kit is a customizable Gateway®-based toolkit that allows scientists to generate fusion... Medical School has recently developed a CRISPR-based multicolor tool enabling the imaging of multiple...cancer-associated chromosome shattering. This method is based on the recognition of genomic loci by three orthogonal...does it work? RUSH is an ingenious two-state assay based on the reversible interaction between a hook protein...Neveu laboratory designed a new iterative, chaining-based cloning method that simplifies the process of constructing...presented Archaerhodopsin 3 (Arch) as a new rhodopsin based voltage indicator for use in the detection of neuronal... -
Genetically-encoded Sparse Cell Labeling - A SPARC of Innovation
TypeBlog PostPublishedMay 21, 2020, 1:15 p.m....tools to overcome this restraint include an AAV-based sparse labeling system where a limiting amount of... truncated attP site. The three SPARC variants, based on the length of the attP site, allow for dense ... -
Hot Plasmids June 2018 - Reverse transcriptase, nanobody, and protein-DNA interaction tools
TypeBlog PostPublishedJune 27, 2018, 1:16 p.m....to provide improvements to existing technologies based on polymerase processivity. Please find the MarathonRT...Myers, a Scientist in the group, developed a CRISPR-based approach to detect proteins that associate with ... -
Addgene Begins Distribution of Recombinant Antibodies
TypeBlog PostPublishedMarch 28, 2022, 4:30 p.m.... 2015). All of Addgene’s antibodies are plasmid-based and recombinant. Learn more about recombinant antibodies...affinity reagents, such as nanobodies and ScFvs, based on community demand. Figure 1: Antibody...from Addgene via our Antibody Data Hub once the database is available. This data will help the collection... -
Using Addgene's New Viral Service for Your Research
TypeBlog PostPublishedNov. 17, 2016, 3:30 p.m.... time, we’re developing ourselves as a knowledge base for the processes of viral production and testing...connections. Expanding the viral vector knowledge base: You can help! We’ve been expanding our viral vector... -
Extracurricular Activities for a Strong Science Career Path
TypeBlog PostPublishedJan. 21, 2014, 3:08 p.m....alternative careers. Science Careers has developed a web-based, career-planning platform called the Individual ...to learn about a variety of science professions based on their skills and interests. Once scientists identify... -
Antibodies 101: Introduction to Immunofluorescence
TypeBlog PostPublishedNov. 16, 2021, 2:15 p.m....found in my tissue.” It is based on the same principles as other antibody-based assays, like an ELISA or...cases, a whole organism. But, as with any antibody-based technique, validation and proper experimental design...different companies, such as Validated Antibody Database and CiteAb. The antibody you choose can make or... -
Fluorescent Protein Travel Awards - FLiPs and Fluorescent Protein Biosensors
TypeBlog PostPublishedJuly 27, 2017, 1:11 p.m....University where she is developing fluorescent protein-based biosensors for Human Milk Oligosaccharides (HMOs...production of HMOs. Current HPLC-MS and fluorophore-based technologies are too time consuming in the first... -
"Build Your Plasmid": The Game - Play to Teach
TypeBlog PostPublishedJuly 17, 2018, 12:23 p.m....should be in real scientific practice, so it is based on a win-win strategy. After each team presented...developed to teach gamma-retrovirus or lentivirus-based ex-vivo gene therapy’ strategies to undergraduates... -
In Vivo Biotinylation of Bacterial Fusion Proteins
TypeBlog PostPublishedJan. 25, 2018, 2:09 p.m....interaction approaches that of GST-glutathione. Biotin-based immobilization for kinetic analysis Proteolytic ...bacteria. Our initial attempt to create a plasmid based on the biotin ligase BirA backbone (Eric Campeau... -
Viral Vectors 101: Transductions
TypeBlog PostPublishedApril 30, 2024, 1:15 p.m....long-term (AAV). If you perform a lipid-based or electrical-based transfection, most of the nucleic acid... -
25 Work From Home Tips for Scientists
TypeBlog PostPublishedMarch 19, 2020, 1:15 p.m.... remotely can be more difficult if your work is based in the lab. If you’re unsure what to do during this...submitting a registered report, where peer review is based on the methods, not the results. Also consider using... -
Tetbow: Bright Multicolor Labeling for Neuronal Tracing
TypeBlog PostPublishedJan. 24, 2019, 2:24 p.m....discriminating between neurons for light microscopy-based neuronal reconstruction. To achieve stochastic multicolor...conventional transgenic strategies. In such vector-based gene delivery systems, the stochastic expression...