We narrowed to 590 results for: abo.1
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TypeBlog PostPublishedSept. 27, 2018, 1:09 p.m....inclusion bodies and is folding properly. References 1. Angov, Evelina, et al. "Heterologous protein expression...that lead to these preferences and what can we do about them? Read on to find out! Why do organisms have...understood, but some possible reasons include: Metabolic pressures - it takes cellular resources to produce...amino acid I’d like to encode,” but, as described above, not every region of a protein should necessarily...Effects on transcription (remember, it’s not all about translation - e.g. codon choice may interrupt transcription...
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CRISPR 101: Targeting Non-Coding RNAs with CRISPR/Cas9
TypeBlog PostPublishedNov. 14, 2024, 2:15 p.m....off-target effects (Zibitt et al. 2021). Figure 1: A schematic illustration of CRISPR/Cas9-based approaches... to devise an experiment that can tell you more about its function. Resources and references Resources... -
Hot Plasmids and Viral Preps - May 2021
TypeBlog PostPublishedMay 18, 2021, 1:15 p.m....(RBD) of the viral spike protein. Figure 1. (A) SARS-CoV-2 RBD DMS Library generation and sequencing...acid, suggesting that MPyV system can improve metabolic pathway yields by encapsulating a single enzyme... -
Uncovering Ancestral Bias in CRISPR Research
TypeBlog PostPublishedNov. 29, 2022, 2:15 p.m.... digging deeply into their data. Fig. 1: Genomic fraction for each of five major ancestry ...dependencies associated with each ancestry group. Since about 90% of the cell lines used in DepMap CRISPR screens... -
Design Tips for Prime Editing
TypeBlog PostPublishedJan. 23, 2025, 2:15 p.m....template including the desired edit. Figure 1: Prime Editing schematic. Created with BioRender.com... primer binding site, starting with a length of about 13 nt (Anzalone et al., 2019). Primer binding sites...of reverse transcriptase template, starting with about 10–16 nucleotides. For longer templates, it is even.... Test multiple nick sites, starting with sites about 50 bp upstream and downstream from the prime editing... -
Bioinformatics at Addgene
TypeBlog PostPublishedJuly 14, 2022, 1:15 p.m....drives our bioinformatics needs Fig. 1: QC'ing data at Addgene is like standing under a Niagara...much information as possible from depositing laboratories and associated publications, but our quality...the process. Another design choice we appreciated about Nextflow was how effortless it was for us to switch...interface. In our next post, we’ll share our story about how we used Nextflow Tower to augment our pipeline... -
Antibodies 101: Immunoprecipitation
TypeBlog PostPublishedDec. 7, 2021, 2:15 p.m....antibody bonding strengths. . Steps of an IP: 1) Protein extracts from cells or tissues contain a ...proteins or nucleic acids. Read on to learn more about this versatile technique. Immunoprecipitation ...proteins in an IP are not denatured (learn more about antibodies here!) When using Protein A/G to immobilize...eluted by boiling the beads in SDS. (To learn more about Western blotting check out our blog post The Basics... -
Bacterial Toxin-antitoxin Systems as Molecular Biology Tools
TypeBlog PostPublishedNov. 1, 2018, 12:35 p.m....plasmids are passed down through generations (Figure 1). These so called “plasmid addiction systems” require... more about CcdB, the toxic key to efficient cloning Read all Plasmids 101 blog posts Read about knockout...with the other toxin-antitoxin systems described above, one part of the pair is more stable than the other... -
Viral Production at Addgene
TypeBlog PostPublishedOct. 24, 2023, 1:15 p.m....determine purity of the AAV preparation. Figure 1: Silver staining of purified and non-purified AAV ... before being distributed to customers. Details about our production protocols, titering methods, and ...either in-house by Addgene scientists or through collaboration with viral vector manufacturing facilities, ...generated from lentiviral preparations (described above) that are subject to a concentration step prior ... -
Plasmids 101: Choosing an Antibiotic Resistance Gene
TypeBlog PostPublishedOct. 10, 2023, 1 p.m....antibiotic selection. Essentially, this gene is a 2-in-1 providing both bacterial and eukaryotic selection,...therefore prevent cell death. One of the cool things about amp is that it's exclusively toxic to dividing cells...antibiotic selection. If you feel like multiple of the above antibiotics would work for you, they likely do! ... -
Plasmids 101: Shuttle Vectors
TypeBlog PostPublishedMay 20, 2025, 1:15 p.m....designed to shuttle between species. Figure 1: Shuttle vectors are vectors that can function in ...your experiment, meaning you don’t have to worry about vector replication at all. In these cases, transient...place in. In many cases, you won’t need to worry about the expression of your gene of interest in both ... -
What’s in Your Tube?: A Quick Guide to Measuring DNA by Spectrophotometry
TypeBlog PostPublishedJuly 1, 2025, 1:15 p.m....sample’s absorption at 260 nm (A260). Figure 1: Characteristic absorption spectra for pure DNA and...flow-through solutions and use clean tubes? How about spin times, were these long enough? There are, ... -
INTEGRATE: Bacterial Genome Engineering Using CRISPR-Transposons
TypeBlog PostPublishedDec. 7, 2020, 2:53 p.m.... end sequences (R and L ends). Figure 1: (A) Components involved in each type of CRISPR-Transposon..., 2020), to multi-copy genomic integration of metabolic cassettes (Zhang et al. 2020); however, the technology... -
New CRISPR Tools: Cas7-11 and PASTE
TypeBlog PostPublishedFeb. 17, 2022, 2 p.m.... of low-toxicity RNA editing tools. Fig. 1 Schematic of luciferase RNA knockdown assays using.... Eugene Koonin and Kira Makarova, longtime collaborators of Omar and Jonathan and experts in CRISPR evolution... -
Viral Vectors 101: Preparing Pooled Libraries
TypeBlog PostPublishedJuly 13, 2023, 1:15 p.m....your virus. Let’s start there! Figure 1: Flowchart showing the process for using pooled lentiviral...ordering a pre-made library, you don’t need to worry about amplifying and producing lentivirus. But pre-made... -
Using Video to Share Your Science: We Share Science
TypeBlog PostPublishedNov. 3, 2016, 2:30 p.m....email Ryan at [email protected] References 1. Larivière, Vincent, Yves Gingras, and Éric Archambault...learn about how researchers are using “big data” to look at Lyme Disease in new ways. Or learn about the...other disciplines, are even less likely to read about our work. We therefore must discover new ways to.... Only on occasion do we then have time to read about research from other disciplines, or from other countries...communication through video Video abstracts about research, especially published research, have grown...researchers have Facebook pages, few share any details about their research itself. Pinterest is also a favorite...created a new platform for sharing video abstracts about research: www.WeShareScience.org. WeShareScience... -
5 Reasons to Use Reddit for Science Communication
TypeBlog PostPublishedOct. 20, 2016, 2:30 p.m....first foray into Reddit. Here are some reasons why: 1. Reddit has a large and active community of people...not too worried about selling yourself and really do just want to get information about yourself and your...where users can participate in forum discussions about a wide variety of topics. Individual forums are ...where users can ask designated scientists anything about a particular topic. Given Joanne’s expertise in... is well moderated. One of our original worries about sharing science advice on Reddit was that we’d be...answering questions. r/Science has pretty strict rules about not being too sales-y in posts which falls in line...any scientists to refer to if they have questions about science careers, women in STEM, work-life negotiation... -
Binning Singletons: Tackling Conference Networking When You Don’t Know Anyone
TypeBlog PostPublishedFeb. 18, 2020, 2:15 p.m....conference for any reason was a Singleton. Figure 1: The Binning Singletons logo. Image: James et al.,...noticed Holly Bik live-tweeting about topics I needed to know more about. I caught up with her outside ...me for coffee and spent an hour with me talking about the tools I could use, and some experimental hurdles...other folks at the meeting. I didn’t know anything about these people at the time, but I met some very accomplished... my mind because we’d had discussions in my lab about whether or not to keep DNA sequencing singletons...singletons out, and there is healthy debate online about this (our lab keeps singletons). I felt like anyone...scientific conferences Read our ECR Toolbox blog post about using social media as a scientist ... -
Filming Science Videos in the Age of Social Distancing
TypeBlog PostPublishedMay 20, 2021, 1:15 p.m.... over again. Here’s that process! Figure 1: The Design-Build-Test-Learn cycle adapted for video... Production Specialist, I’m constantly thinking about ways to improve our productions to deliver the best...four months after I started with Addgene, I was about to have a check-in with my boss Jennifer. I had ... would be a couple months. Jennifer and I spent about an hour that morning scrambling. Everything we had...someone to be comfortable on camera while thinking about things like lighting, camera angle, and shot composition... allowing people to sit without having to worry about getting in close to mic them up. Monitor: I then...first video in our Intro to the Lab Bench series about PPE! We made this with a combination of in-lab filming... -
Transferable Skills Guide: Creativity
TypeBlog PostPublishedJan. 18, 2022, 2:15 p.m....yourself in a creative rut, read on! Fig 1: Blugene using creative problem-solving in the lab...brainstorming sessions. Allow the group time to think about the problem before you meet. This holds the dual... meetings run smoother when people have thought about the issue ahead of time. Encourage dissent. The ... decisions while encouraging the group to think about alternative options. When a devil’s advocate is ...a few minutes every month dedicated to thinking about the future will improve your ability to innovate...to be able to continue our experiments. Thinking about these plans before you’ve run out of consumables...