We narrowed to 842 results for: NTS
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TypeBlog PostPublishedJune 28, 2016, 10:59 a.m....al., 2013, Cho et al., 2014). There are several variants of the CRISPR/Cas9 system floating around, and...and many pre-designed plasmids containing these variants ready for purchase. But what is the easiest and...quite successfully adapted for use in screening experiments as well). Therefore, if you’ve started down the...target plasmid contains overlapping 5′ and 3′ EGFP fragments under the ubiquitous CAG promoter. The approximately...placed in multi-cloning site (MCS) between EGFP fragments. The pX330 plasmid contains humanized Cas9 expression...have your F0 generation (barring life’s little accidents and stuff ups). This is a huge improvement on ...
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Deep Dive: qPCR
TypeBlog PostPublishedSept. 29, 2022, 1:15 p.m....samples, and treatments may affect the assay. It’s unusual to need to adjust amounts of reagents in your chemistry...and your reaction optimized. You’ll want to run gradients for optimal annealing temperature and optimal ...can interfere with amplification reactions, and reagents can be used up quickly by abundant transcripts...abundant transcripts. However, adding too many reagents can prevent your reaction from reaching the plateau...for publication of quantitative real-time PCR experiments. Clin Chem. 2009 Apr;55(4):611-22. doi: 10.1373... -
Fluorescent Proteins 101: When GFP lets you down
TypeBlog PostPublishedAug. 23, 2018, 12:05 p.m....solutions are discussed below. There are numerous GFP variants. Here I use the name ‘GFP’, which refers to mEGFP...applications that require anaerobic conditions. In experiments requiring anaerobic conditions, proteins that...Cranfill et al., 2016 and FPbase.org). A number of variants remain fluorescent under acidic conditions, with...genetically encoded tag and exogenously added components. For a review see Lotze et al. (2016). To date...is used to excite GFP, may also excite several components that are naturally present in cells or media....although it still is worthwhile to generate several variants and check the functionality of the fusion (Mastop... -
Adeno-associated Viruses (AAVs) for Genome Editing
TypeBlog PostPublishedMarch 27, 2018, 1:32 p.m.... can use AAVs to improve your genome editing experiments (with and without targeted nucleases). AAV genome...identified by PCR. Then, if necessary for subsequent experiments, the floxed neoR gene is removed via infection...researchers have devised methods to deliver CRISPR components as ribonucleoproteins (RNPs) that can be supplied...2017 recently showed that by delivering CRISPR components as RNPs and delivering two halves of a repair...possible sequentially repair a target site with the contents of the two AAVs. Using this technique, Bok and...can provide a powerful boost to genome editing experiments. We’re excited to see how you continue to use... -
Hot Biosensors 2022: Year-End Roundup
TypeBlog PostPublishedDec. 6, 2022, 2:15 p.m....for synaptic glutamate response. They generated variants optimized for different applications (v82 has ... and powerful high-throughput screen to select variants based on performance metrics specifically for ...Farahani PE, et al. pYtags enable spatiotemporal measurements of receptor tyrosine kinase signaling in living...BeadScan platform for screening candidate biosensor variants for performance under two-photon fluorescence ...temperature indicator B-gTEMP designed to meet those requirements (Lu et al. 2022). By fusing two bright fluorescent...about your favorite new biosensor plasmids in the comments below! Additional resources on the Addgene ... -
CRISPR 101: Validating Your Genome Edit
TypeBlog PostPublishedNov. 3, 2022, 12:15 p.m....and recombination events). TIDER can screen for specific homology-directed repair events and small edits...significant number of cells have been edited. For many experiments, the end goal is to generate a clonal cell line... Fig. 2: Size screening for large deletion events. Validating knock-in mutations You’ve introduced...combo and are hoping for homology-directed repair events, or maybe you’re performing a single base pair ... flow sorting or drug selection, assuming your reagents are amenable to this. If delivery isn’t an issue... -
3 Tips to Improve HDR Efficiency for CRISPR Editing in Human Cells
TypeBlog PostPublishedSept. 5, 2017, 1:58 p.m....have shown recently that desired genome-editing events by HDR can be generated more efficiently by (1)...as APP and PSEN1, in most cases the intended HDR events were corrupted by unwanted indels on the same allele...correctly edited alleles, when screening reasonable amounts of single cell clones. Furthermore, CRISPR/Cas9...controlled over-active Cas9 and repeated our experiments with blocking mutations, we still weren’t entirely...Alzheimer mutations we study are heterozygous in patients. As the probability of mutation incorporation ...the Addgene Blog Learn about High Fidelity Cas9 Variants How to Design Your gRNA Delivering CRISPR Ribonucleoproteins... -
Grad School Advice Part 1: Picking a Lab and a Project
TypeBlog PostPublishedSept. 1, 2016, 2:30 p.m.... question you think rotation students should ask senior graduate students? 11:51 - 13:28 : How do you ..., we sit down to talk with two senior graduate students, Ben Vincent and Niroshi Senaratne, from the Biological...down of graduate student life. Senior graduate students can sometimes be elusive or have a certain mystique...program. Don’t be fooled! Most senior graduate students are friendly and full of useful advice. Stay tuned... -
Technologies Enabled by NanoLuc® Luciferase
TypeBlog PostPublishedFeb. 8, 2018, 12:17 p.m....and is useful for direct imaging of events in cells and brain explants. This construct is available through...Nano-Lanterns including monitoring multiple cellular events such as the dynamics of subcellular structures ...NanoLuc® luciferase Many intracellular sensors of events like calcium release have been made using fluorescent...PMC4942401. 5. Susuki, K., et al. (2016) Five colour variants of bright luminescent protein for real-time multicolour... more about FRET Tips for Using FRET in Your Experiments Learn more about Fluorescent Protein Biosensors... -
Plasmids 101: Restriction Cloning
TypeBlog PostPublishedFeb. 18, 2016, 3:42 p.m....charge). Larger fragments of linearized DNA migrate slower than smaller linearized fragments. You can separate...have a full plasmid ready to be used in your experiments. Alternatively, this whole process can be...sell fast digest enzymes that can digest large amounts of DNA in as little as 10 minutes, but check with...You then add DNA ligase to covalently link the fragments together at the expense of ATP (see below, covalent...Find the Perfect Empty Vector for Your Cloning Experiments Browse Our Molecular Biology Resources ...