We narrowed to 621 results for: cat.1

...some technical obstacles when working with virus: 1. Viral vectors undergo DNA rearrangements. Depending...approximately 20–50% of the packaging cells after 1–3 days of selection. A lower percentage of surviving...up-to-date tips for your virus experiments. References 1. Anthony, Simon J., et al. "A strategy to estimate...experiment and they don't do anything. Viruses are complicated and they perform complex biological tasks, both...vector may undergo genomic rearrangements during replication. To avoid genomic rearrangements, try amplifying...membranes (Davis et al., 2002). Polybrene is one such cationic reagent that is commonly used and has been shown... during transfection, and does not necessarily indicate the production of virus. Alternatively, if the...

...cell with the images from the Allen Cell Explorer (1). When studying the function of a protein or its role...various subcellular structures. Please see Figure 1 for commonly used markers for major mammalian organelles...Subcellular Localization Poster here! References 1. Allen Institute Plasmid Pages 2. Cooper GM. 2000....functionality can be gained by understanding the location and transport of the protein within a living cell...to observe membrane trafficking events in vivo. Locate your protein and see who it is hanging out with...potential overlap, it is possible to determine the location of proteins within complex structures. In order...way it is important to choose the appropriate quantification methods and tools. It is usually not enough...

...active for greater than 50 generations. Figure 1: Mobile-CRISPRi's modular components. Image from Peters...on a non-selective plate. Most bacteria tested had 1 transfer in every ~100 to 1,000 colonies, but some...including E. faecalis and P. mirabilis, had only ~1 transfer per 1,000,000 colonies. Higher transfer rates...The vast majority of bacteria are undomesticated which limits the tools scientists can use to study them...the genome and is propagated during normal DNA replication and cell division. Mobile-CRISPRi does not disrupt...single-gene knockdown experiments. Mobile-CRISPRi applications Mobile-CRISPRi expands CRISPRi to non-model ...Elizabeth A., and Pamela A. Silver. "Harnessing undomesticated life." Nature microbiology 4.2 (2019): 212....

.... pH and DNases affect DNA stability Figure 1: So many choices! What to do? The main factors ...your downstream experiment. TE (10 mM Tris-HCl,1 mM EDTA, pH 8.0) buffer is the best buffer for preserving...If you use a kit for DNA purification or if you use a DIY purification protocol, you might have noticed... mutations in single stranded DNA undergoing replication.   DNase on the other hand can digest and degrade...degradation during plasmid DNA extraction and purification from E. coli is the presence of the protein ...most common E. coli strains used for plasmid amplification are endA negative, meaning the gene has been...chelating agents that can be introduced in the purification protocol to remove endonucleases activity. For...

... spread out onto the plate. We test the (capped) 1:1 agarose/DMEM solution against a part of the body ...a 60 mm dish ready for picking is shown in figure 1.   Find Additional Useful Protocols on Addgene's Protocol...to rapidly punch out cell clones with sterile truncated pipet tips. Indeed, an experienced operator can...wiped down with 70% ethanol, and a box of sterile truncated pipet tips (USA Scientific #1011-8410) is also..., and making sure we always maintain a backup replicates of each clone in case of contamination. We do...

...biological questions. The two most common uses are: 1) to test the expression level in a specific system...brightness is compared to that of EGFP which is set as 1. Some proteins are very dim (e.g. TagRFP657, which...Photostability can be as short as 100ms (EBFP) or as long as 1 hour (mAmetrine1.2). However, for most FPs it is a... to be considered when choosing an FP: Unique categories of fluorescent proteins Photoactivatable / Photoconvertible... used are GECIs - genetically encoded calcium indicators (e.g. GCaMP). Others include: pHluorin & pHTomato.... al. (2010) “Fluorescent proteins and their applications in imaging living cells and tissues”  Physiol...

... Posts from Addgene 1) Twitter – Get your voice out there Here’s one thing you can do today: Sign up for...science communication are as varied as the field itself. Among other things, science communication comprises...certain aspects of art and education. If you suspect that science communication might be for you, don’t ... science education Do you aim to reach young people? Try networking with your local education community... Training – Get a formal education Some people get into science communication by taking a media or journalism...project. Science communication opens doors Getting involved in science communication has been the most...career researcher looking to break into science communication? Everybody goes about this in their own way....

.... Follow David on Twitter @driglar.   References: 1. Alberts, Bruce, et al. "Rescuing US biomedical research...Riglar Advocating for Science Symposium and Workshop 2016 – Sept 16-17 MIT, Boston The Advocating for Science...futureofresearch.org/advocating-for-science-boston-2016/. Sign Up For the Advocating for Science Symposium...Director of Media Communications, Harvard University Ray Howell -Founder of Howell Communications Philip Brenner...union dues. Time will tell the extent of the implications of this ruling and whether graduate students...labor laws, rather than as trainees in a special category, as has been the ‘labor-of-love’ philosophy of...tight lab budgets and even simply being able to categorize all postdocs at institutions, will be challenging...

...optimized for expression in E. coli: acoustic gene 1 (arg1) and acoustic gene 2 (arg2). The key difference... plasmids are available from Addgene! References 1 Bourdeau, R.W., Lee-Gosselin, A., Lakshmanan, A., ...Knowing where bacteria are located within their host is often key to understanding their role in both...reporters are not as well suited for imaging organs located deep in the body, like the gastrointestinal tract...lab recently discovered that gas vesicles also scatter sound waves and therefore produce signals in ultrasound... experiment to demonstrate the most exciting application for ARG’s: in vivo imaging. Specifically, arg1...

...mGold2s and mGold2t depending on the application. Figure 1: Super-resolution imaging of actin ...fluorescent proteins for extended imaging. Nature Communications, 16(1), 3241. https://doi.org/10.1038/s41467-025... high brightness and fast maturation time (Figure 1). See the paper for more details on small differences...fused to mVenus, mGold2s, or mGold2t. Bottom: Quantification of photostability. Image reused from Lee & ...available for tracking cell lineage, different applications require careful selection or design to ensure...for gene therapy and ex vivo cell engineering applications and is especially well-suited for lung cells...tool for circuit tracing and other neuroscience applications (Figure 4). Check out our blog post on AAV serotypes...