We narrowed to 519 results for: abo.2
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TypeBlog PostPublishedApril 16, 2024, 1:15 p.m....super-resolution or single-molecule techniques. Figure 2: Two-color super-resolution imaging of ER and mitochondria...stimulated emission depletion (STED) nanoscopy. Scale bar, 2 μm. Inset shows comparison with standard confocal ...enables applications like multi-color imaging (Figure 2). If you’re working with purified proteins in vitro...Labeling in Living Cells. Chemistry & Biology, 15(2), 128–136. https://doi.org/10.1016/j.chembiol.2008.01.007...conjugates: A flexible chemical tag. Nature Methods, 2(4), Article 4. https://doi.org/10.1038/nmeth749 Strebinger...but it’s real! In this post, we’re going to talk about the power and flexibility of self-labeling protein...ready-to-use without any cloning at all! As mentioned above, several variants of these tags have been developed...
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Enhancing CRISPR Targeting Specificity with eSpCas9, SpCas9-HF1, & HypaCas9
TypeBlog PostPublishedDec. 16, 2015, 3:30 p.m.... (2,3). Stable strand separation is maintained by 2 sets of interactions : 1. Interactions between the...formed by the Cas9 HNH and RuvC nuclease domains 2. Interactions between the target strand and the gRNA... Find plasmids from this publication at Addgene. 2. Nishimasu, Hiroshi, et al. "Crystal structure of ...With this new found structural knowledge, in collaboration with the Joung Lab, they used targeted mutagenesis...edits in mammalian cells and may decrease worries about off target effects in applied and/or therapeutic...at Addgene. Resources on the Addgene Blog Read about Cas9 Homolog Cpf1 Read How Non-Homologous End Joining... -
Using Phosphoserine to Study Protein Phosphorylation
TypeBlog PostPublishedJune 23, 2016, 2:30 p.m....phosphorylation events in the proteomes of higher mammals (2). How can we begin to understand the importance of... the open reading frame (ORF) of interest (Figure 2). 1. The phosphoserine OTS The backbone of the phosphoserine...optimized Sep-OTSλ and can recommend its use (6). 2. C321, a specialized bacterial host strain for pSer-incorporation...biology4.5 (2002): E127-E130. PubMed PMID: 11988757. 2. Hornbeck, Peter V., et al. "PhosphoSitePlus, 2014... one of the MEK1 phosphomimetic residues in the above study with phosphoserine (to create a pSer/phosphomimetic...non-phospho species on PhosTag gels as described above. Reagents and protocols Sep-OTSλ plasmid - Addgene...interested in the intersection of cell signaling, metabolism, and the mighty mitochondrion. You can follow... -
Evolution of Brainbow: Using Cre-lox for Multicolor Labeling of Neurons
TypeBlog PostPublishedApril 24, 2015, 2:39 p.m....Brainbow mouse neural labeling system. Brainbow-1 and -2 have been further refined to create Brainbow 3.2. ...M-CFP expression; these deletions are defined using 2 loxP variants (only identical loxP sites can mediate... each fluorophore. Third, Brainbow-1 and Brainbow-2 each contained a “default” state; for example, Brainbow...processes not previously visible with Brainbow-1 and -2. The general structure of Brainbow-1.0 is retained...integration of multiple copies of the construct (about 8 in Brainbow-1.0 mice.) The combinatorial effect...with the goal of overcoming the limitations listed above. First, they screened a variety of fluorescent proteins...method has become very useful in lineage tracing; “Zebrabow” was used to trace the development of the corneal... -
Plasmids 101: CcdB - The Toxic Key to Efficient Cloning
TypeBlog PostPublishedDec. 8, 2016, 3:30 p.m....CcdB.” Biotechniques. 1996 Aug;21(2):320-3. PubMed PMID: 8862819. 2. Bahassi, EM., et al. “F plasmid CcdB... desired insert should not grow. Figure 2: Image from http://teachline.ls.huji.ac.il/72682/tutorials...in modern cloning, and why should you learn more about it? Read on to find out how ccdB can make your cloning...of this system for enhancing cloning efficiency about 20 years ago and developed cloning vectors to harness... -
CRISPR-Cas14: a family of small DNA-targeting enzymes enabling high-fidelity SNP genotyping
TypeBlog PostPublishedNov. 29, 2018, 1:53 p.m....of other Cas proteins found in the so-called class 2 CRISPR-Cas systems. There are 24 variants of the cas14...the presence of infectious organisms (ex: SARS-CoV-2) and genetic mutations. By providing a gRNA specific...Additional resources on the Addgene Blog Learn more about DETECTR Browse all of the CRISPR blog posts Download... -
Pathways Over Time Plasmids Engage Students in Functional Genomics Research
TypeBlog PostPublishedMay 22, 2018, 1:38 p.m....research experiences to undergraduate students (1, 2), but educators face significant challenges in designing... by western blotting in other experiments (Figure 2). Complementation reveals conservation of function...Biology Education: A Call to Action, Washington, DC. 2. President's Council of Advisors on Science and Technology...Addgene Blog Learn about Synthetic Biology with BioBuilder Use Addgene Videos to Learn about Basic Lab Techniques...species, but these studies generally leave questions about gene function wide open. What if two seemingly similar...been using yeast models (3, 4) to answer questions about the evolution of the genes involved in methionine...question, the plasmids are also used to teach students about restriction mapping and western blotting. Students... -
Fluorescent Proteins 101: Introduction to FRET
TypeBlog PostPublishedJune 27, 2017, 1:03 p.m.... fluorophore excitation by absorption of a photon 2. Energy transfer from the excited donor directly to...PMID: 24194740. PubMed Central PMCID: PMC3810607. 2. Bajar, Bryce T., et al. "A Guide to Fluorescent Protein...PubMed PMID: 10500161. PubMed Central PMCID: PMC18018. 2. Miyawaki, Atsushi, et al. "Fluorescent indicators...can be done using FRET! Read on to find out more about this amazing imaging technique and find further ...our curated list of biosensors too, as another laboratory may have already created the sensor that you ...ability of labs to answer sophisticated questions about cellular processes. Currently, FRET experiments ... Tips for using FRET in Your Experiments Learn about Fluorophore Targeting for FRET Studies FRET Based... -
Hot Plasmids April 2018 - Protein Degradation, Nanoscopy, FIRE-Cas9, and Yeast Expression Tools
TypeBlog PostPublishedApril 23, 2018, 2 p.m....difficult-to-manipulate primary cells, achieving knockdown within 1-2 hr of reagent delivery. TRIM-Away is suitable for ...factor 1 controls expression of transcription factor 2, which directly controls expression of a reporter ...modulating the induction of transcription factors 1 and 2. See Aranda-Díaz et al. for more information. The ...articles from April 2018. If you'd ever like to write about a recent plasmid deposit please sign up here. No... -
Pairing CombiGEM and CRISPR for Combinatorial Genetic Screening
TypeBlog PostPublishedApril 12, 2016, 2:30 p.m....CombiGEM lentiviral vector backbone pAWp12 (Figure 2). Cloning from the pAWp28 storage vector to the pAWp12... before beginning your experiments. Figure 2: Strategy for assembling barcoded combinatorial gRNA...PMID: 25114216. PubMed Central PMCID: PMC4151723. 2. Doench, John G., et al. "Optimized sgRNA design to...How Barcodes Can Be Used in Lineage Tracing Read about CRISPR/Optogentics Tools Resources on Addgene.org... -
5 Steps to Writing Grant Proposals for Grad Students
TypeBlog PostPublishedFeb. 11, 2014, 12:13 p.m....require application submission in-house approximately 2 weeks before the RFA due date in order for the administrative...deliverables to the aims requested in the call. Step 2: Develop a research plan Most grant applications ...proposal typically lists the deliverables, explains 1-2 potential pitfalls of the intended protocol, and offers...first. Additionally, reach out to peers and collaborators who have succeeded at grant writing to see what... -
Synthetic promoter AAVs for cell-type specific expression in retinal cells
TypeBlog PostPublishedMarch 12, 2020, 1:15 p.m....retinal cell-type specific genes from mice. Strategy #2 (ProB): Create promoters using phylogenetically conserved...would express Cre-mCherry and GFP. Figure 2: Synthetic promoters can be paired for targeted expression...1345-1356. https://doi.org/10.1038/s41593-019-0431-2 Neff, E.P. An AAV library for retinal cell expression...Addgene blog Read more about using AAV for retinal gene therapy Find more about precise neuronal targeting...injected into macaques and postmortem human retinas. About 25% of these AAV synthetic promoters successfully... -
Quickest Way to Deposit Plasmids: The Deposit Spreadsheet
TypeBlog PostPublishedMarch 8, 2017, 3:15 p.m....our deposit spreadsheet to complete Step 1. Steps 2 and 3 are usually very easy — our tech transfer team...columns are shown in red in the spreadsheet (Figure 2) and are described in Table 1. Some cells have drop-down...Filling out and sending the deposit spreadsheet Figure 2: Example of the deposit spreadsheet showing the first...streptomycin, tetracycline, combinations of the above, or other. High or Low Copy Choose from: high...the “Purpose” field. If you ever have a question about what should go into a cell, hover over the cell ...Addgene and contact your technology transfer office about the MTA. Pro Tip! Download a new spreadsheet each... -
Adeno Associated Virus (AAV) for Cell and Gene Therapy
TypeBlog PostPublishedNov. 7, 2017, 1:59 p.m....AAVs in the clinic Thus far, AAV vectors AAV1, AAV-2, AAV1-AAV2 hybrids, AAV-6, AAV-7, AAV-8, AAV-9 and...neutralizing antibodies against some AAV types, AAV1, 2, 3 and 5 are thought to be as high as 70% among the... 10.24 (2003): 1999-2004. PubMed PMID: 14566358. 2. Hirsch, M. L., et al. "Self-complementary AAV mediates...Vectors Featured Topic Page Learn about CRISPR-AAV vectors Learn about Addgene AAV Quality Control Process...viral infections. She is particularly passionate about HIV cure research and science communication. ... -
Plasmids 101: Expressing shRNAs for RNA Interference
TypeBlog PostPublishedJune 17, 2025, 1:15 p.m....Reexamining assumptions about miRNA-guided gene silencing. Nucleic Acids Research, 50(2), 617–634. https://...downstream genomic sequences (Figure 2B). Figure 2: A comparison of an shRNA plasmid sequence and an ...module_attribute "schema_version" is_json="true" %}{% raw %}2{% endraw %}{% end_module_attribute %}{% module_attribute...References Bartel, D. P. (2004). MicroRNAs. Cell, 116(2), 281–297. https://doi.org/10.1016/s0092-8674(04)00045... -
Educational Planarian Tools for Teaching Developmental Biology Techniques
TypeBlog PostPublishedMay 24, 2018, 1:20 p.m....neoblast cells and the gene Prohormone convertase 2 (pc2) labels the central nervous system. Evaluating... characterized in an unrelated worm (C. elegans) [2]. Delivering dsRNA matching a specific mRNA sequence...223). Link: http://abt.ucpress.edu/content/79/3/208 2. Fire, S. Xu, M.K. Montgomery, S.A. Kostas, S.E. Driver...experiments in the beginning. In most classrooms, the laboratory experience is focused on classical embryology... Biology with BioBuilder 3D Models for learning about CRISPR Resources at Addgene.org Find plasmids ... -
Making CRISPR Plasmids Using Fragmid
TypeBlog PostPublishedAug. 29, 2024, 1:15 p.m.... of components, such as your CRISPR enzyme or Pol 2 promoter. The options available in each class, or ...overhang specific to the type of module it is (Pol 2 protomer, Cas protein, ect...). Whatever individual... (KO, CRISPRa, CRISPRi, editing) Figure 2: Selecting module fragments on the Fragmid website...Destination vector (dropdown options depending on above selections) Module set (the set of components you...vectors) Target type (drop down options depending on above selections.) CRISPR enzyme (Cas9 [sp], Cas9 [other... -
Technologies Enabled by NanoLuc® Luciferase
TypeBlog PostPublishedFeb. 8, 2018, 12:17 p.m....the system outlined in Schmid-Burgk, J.L., et al (2). In this post, I’ll cover two great applications ...molecularly evolved from mNeptune2 through 33 mutations and 2 deletions. CyOFP1 has a higher quantum yield, brightness...luciferin 24 hours later demonstrated a more than 2-fold brighter signal from Antares as compared to Fluc...PMID: 22894855. PubMed Central PMCID: PMC3501149. 2. Schmid, J.L., et al. (2016) CRISPaint allows modular...Blog Learn more about FRET Tips for Using FRET in Your Experiments Learn more about Fluorescent Protein...heme-containing proteins in whole animals, light at or above 600 nm wavelengths should be used. Researchers often... emits light at a tissue-penetrating wavelength above 600 nm. LumiFluors Schaub, F.X., et al. (3) designed... -
Plasmids 101: Colony PCR
TypeBlog PostPublishedMay 12, 2016, 2:30 p.m....design primers to detect the presence of your insert; 2) set up a standard PCR reaction (primers, dNTPs, polymerase...strategies for primer design: 1) insert-specific primers, 2) backbone-specific primers, and 3) orientation-specific...negative clone (-) will not. Backbone-specific primers (2) give larger sized products for positive clones (+...SLIC cloning Learn about Gibson Assembly Additional Resources on Addgene.org Read about Choosing a Molecular...this type of primer does not provide information about the orientation of the insert. Orientation-specific...Orientation-specific primers: If you need information about insert orientation, then you might consider designing orientation-specific...insert Backbone-Specific Provides information about the size of the insert and if it's in the plasmid... -
Cloning Mammalian Cells with the Agarose Method
TypeBlog PostPublishedSept. 7, 2017, 12:17 p.m.... then overlaid with the firmer 2% agarose gel solution discussed above for picking. Many thanks to our...3 plates at different densities for selection). A 2% agarose solution is then melted (and thereby sterilized...96-well assay plate. We generally freeze at least 2 ampules each of 4 clones with different levels of ...specific genes. Many years ago, people in the laboratory became frustrated with using glass cloning rings...the hood. A 48-well plate is also prepared with about 200 ul of culture medium containing serum in each...incubator, additional growth medium is added to about halfway up each well. Tips for using the agarose...