We narrowed to 584 results for: abo.1
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TypeBlog PostPublishedAug. 7, 2018, 12:31 p.m....is best for larger genes such as Cas9. See figure 1 for an example of how changing transfection ratios...available systems. Producing lentivirus: it's all about the T's (transfection and titers) To produce lentivirus... optimize transfection conditions. As mentioned above, plasmid ratios can be adjusted to enhance titer...
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Hot Plasmids May 2018 - Optogenetics, Decaffeination, Biosensors, and Fluorescent Protein Tools
TypeBlog PostPublishedMay 15, 2018, 12:43 p.m.... little signal detected along the neurite (Figure 1.) Moreover, the group was able to demonstrate that... plasmids you need. If you'd ever like to write about a recent plasmid deposit please sign up here. ...protein activity while also capturing information about spatial and temporal organization. The design use... -
Split-BioID: An Improved Method for Studying Protein-Protein Interactions
TypeBlog PostPublishedMay 1, 2018, 1:57 p.m....which you’ve already fluorescently labeled. Figure 1: Using Split-BioID to Identify Protein Protein Interactions...Addgene Blog Learn about techniques for visualizing protein turnover Learn about plasmids for in vivo... -
CRISPR in the Clinic
TypeBlog PostPublishedNov. 2, 2023, 1:15 p.m....significant progress in clinical trials. Figure 1: Types of delivery and editing strategies for CRISPR...trials The CRISPR therapies don’t stop with the list above! There are many, many more in the earlier stages... and others we just don’t have the time to talk about. Other treatments currently in clinical trials include... -
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... plasmids you need. If you'd ever like to write about a recent plasmid deposit please sign up here. Here's...fluorescent proteins coupled with Fibronectin intrabodies generated with mRNA display (FingRs), Xue Han... -
Illuminating Epigenetics with A FRET Based Biosensor
TypeBlog PostPublishedNov. 19, 2015, 3:30 p.m....treatment and improving patients lives. References 1. Ong-Abdullah, Meilina, et al. "Loss of Karma transposon... the histone protein of interest (in the figure above, H3 at K9 or K27). Joined to this by a flexible ... in Your Experiments Post Read Other Blog Posts about Fluorescent Proteins ... -
CRISPR 101: Ribonucleoprotein (RNP) Delivery
TypeBlog PostPublishedSept. 6, 2018, 12:02 p.m....genome engineering and microbiology. References 1. Chen, Sean, et al. "Highly efficient mouse genome...scientists to make genomic alterations, bringing about a revolution in genome engineering, with new techniques...available by both the Jacob Corn and Alex Schier laboratories. Delivering Cas9-gRNA ribonucleoproteins An...delivery of RNPs is electroporation (A in the figure above), which generates pores in the cell membrane, allowing...as lipid-mediated transfection (B in the figure above), are in the early stages of development. David ...proteins harboring receptor ligands (C in the figure above), which result in the internalization of Cas9-gRNA...show promise for in vivo studies, little is known about the immunogenicity and stability of the Cas9 protein... -
15 Hot Plasmids from 2017
TypeBlog PostPublishedJan. 9, 2018, 3:02 p.m....SpCas9 base editors with editing windows as small as 1-2 nucleotides! To reduce off-target effects associated...Lower on-target activity than BE3; editing window ~1-2 nt 87438 pET42b-HF-BE3 HF-Cas9 (NGG) Very ...but be sure to let us know if you'd like to write about your plasmids in a future blog post. No time to ...repository. These variants can be used as tools to learn about the influence of structure on an FP’s properties...100bp or 1kb fragments are produced (see figure above). 3 Reasons The PSU Ladders Are Awesome Tools: ... -
xCas9: Engineering a CRISPR Variant with PAM Flexibility
TypeBlog PostPublishedMarch 28, 2018, 6:52 p.m.... NGT PAM GAA PAM GAT PAM xCas9 3.7 41 (1) 32 (1.6) 13 (2.1) 38 (4.5) 7.2 (5.2) ...Blog Learn about Engineered Cas9 PAM Variants Read about CRISPR Base Editing Learn about Homology Directed...editing specificity. We’re excited to learn more about xCas9 - here’s what we know so far! Why do we ...point mutations, also has a strict editing window about 15 nt upstream of the PAM. Even if there’s a PAM...in mammalian cells, finding xCas9 3.7 displayed about the same editing rate as SpCas9 at an NGG PAM. When...are exciting, there’s a lot we still don’t know about xCas9. “I’m not 100% sure xCas9 is going to be flat...Find CRISPR Plasmids for Mammalian Systems Learn about CRISPR History ... -
Transferable Skills: Negotiation
TypeBlog PostPublishedMarch 3, 2022, 2 p.m....dollar contracts behind closed doors. Fig. 1: The mythical land of negotiations. You negotiate...negotiate with friends, partners, and/or children about everything from what you’re going to eat for dinner...Negotiation as a zero sum game Some people think about negotiation as a zero sum game - that is, if I get... three examples depend on many specific details about the individuals, each example provides a scenario... difficult because of the need to be thoughtful about what is most important to each person. It can especially...of us associate with negotiating (check out more about conflict resolution). How to develop negotiation...before, during, or after a negotiation to think about the situation, your reaction, and the outcome. How... -
A Guide to Starting Your Own Journal Club
TypeBlog PostPublishedFeb. 6, 2020, 3 p.m....for your first journal club to begin! Figure 1: Discussing next-generation sequencing at the Addgene...think about. Choosing a topic and gauging interest The first thing to do if you’ve thought about starting... discussions. Beyond the excitement of learning about new cutting edge science, researchers of all varieties...help stay current on new and emerging work by collaboratively discussing recent publications in a specific...up. At Addgene, we wanted to think more closely about the wealth of high-throughput sequencing (HTS) data...the paper. Before the first journal club, think about the meeting itself A journal club should aim to ...published science. They also serve as a way to learn about work outside of one's own field in a structured ... -
Capturing a Moment with Marc Zimmer’s “The State of Science”
TypeBlog PostPublishedJuly 30, 2020, 1:15 p.m....in restraint. The very first subheading in Chapter 1 asks “What is science?” That’s a very big question...have been written about CRISPR alone, and Zimmer himself has written entire books about optogenetics. Defining... been thinking about a long time. For the scientists who like to learn everything about one specific topic...wisely makes no such attempt. He is transparent about his own biases--many of which will be shared by ... a massive, expensive project that required collaboration from scientists around the world. The paper ...As a scientist who enjoys learning a little bit about many different things (part of the reason Addgene... -
dTAG - You're it!
TypeBlog PostPublishedJune 21, 2018, 2:06 p.m....cereblon, leading to rapid target degradation (Figure 1). Plasmids: We generated a series of plasmids that...degrade any protein. We are particularly excited about the dTAG system as we can use it to evaluate the... -
Polymerase Chain Reaction Overview and Applications
TypeBlog PostPublishedAug. 10, 2021, 1:15 p.m....target DNA quickly and accurately. Figure 1: Steps in PCR reaction This process of denaturation...If you have ever worked in a molecular biology laboratory you have likely done a polymerase chain reaction...uses ddPCR for AAV titrating. You can learn all about ddPCR for AAV titration and find helpful tips and...method that can help save time and effort in the laboratory. There are two main categories of multiplex ...use a single pair of primers, like those stated above. Multiplex PCR is also used in high throughput SNP... -
Hot Plasmids and Viral Preps - January 2021
TypeBlog PostPublishedJan. 5, 2021, 2:15 p.m....article, they investigated three Casɸ orthologs, Casɸ-1, Casɸ-2, and Casɸ-3. This system is notable for several... plasmids you need. If you'd ever like to write about a recent plasmid deposit please sign up here. Here's... -
A Look at Addgene's QC Process
TypeBlog PostPublishedMay 6, 2025, 1:15 p.m....experiments, to false conclusions. Figure 1. Potential points where DNA errors can be introduced...results, and subsequent conclusions. Being vigilant about these errors is an important part of maintaining... -
Viral Vectors 101: Chemogenetics
TypeBlog PostPublishedJuly 11, 2023, 1:15 p.m....impacts of neural circuits on behavior. Figure 1: An overview of the chemogenetics system. Why use...posts Read blog posts about neuroscience Resources on addgene.org Learn more about chemogenetics in our...as a DREADD agonist due to its ability to be metabolized into clozapine (CLZ). While some scientists argue... -
Rabies and Neuronal Tracing
TypeBlog PostPublishedMay 29, 2018, 1:51 p.m.... questions of how the brain operates. References 1. Callaway EM. Transneuronal Circuit Tracing with Neurotropic...connected to the neck. Shortly after, we learned about organs and the jobs they perform. This became foundational...part of the answer to many biological questions about the brain. To address this, molecular tools to map... -
Adenoviral Delivery of CRISPR/Cas9 Aims to Expand Genome Editing to Primary Cells
TypeBlog PostPublishedDec. 10, 2020, 1 p.m....editing machinery such as CRISPR-Cas. Figure 1: Schematic of targeted gene knock-out (left) and targeted...capacity. For instance, with a packaging capacity of about 6 kb, the 1st generation of AdVs have already a ... CRISPR/Cas9 research! To find more information about the adenoviral delivery of CRISPRS/Cas9 using the... -
Addgene's Cancer Collection Pages Connect the Research Community
TypeBlog PostPublishedSept. 6, 2016, 2:30 p.m.... education and scientific writing. References 1. Martz, Colin A., et al. "Systematic identification... cancer are yielding promising results in the laboratory, and Addgene is accelerating this research by...within that pathway that are of interest to their laboratory. A single mouse click on a gene of interest will...