We narrowed to 812 results for: cha;

...Understanding the characteristics of natural plasmids and how they function in nature can inform us on...often have a restriction barrier as a defense mechanism, and they can degrade foreign bacteria through...expressed. For example, scientists can incorporate interchangeable antibiotic resistance cassettes (Prior et al...Schmidhauser, T. J., Ditta, G., & Helinski, D. R. (1988). Chapter 15—Broad-Host-Range Plasmid Cloning Vectors for...

...Design). This modular approach combines an interchangeable set of fusogenic and targeting components to...where the fusion and targeting components are interchangeable. Image from Strebinger et al., 2023, reused...local proteome, but some applications have been challenging or inaccessible. The Ting lab recently made two...They demonstrated LOV-Turbo in neurons, in pulse-chase experiments, and more. Find LOV-Turbo plasmids here...

...the chances of a cell being infected by only one viral particle, but it also increases the chances that...presentation deceive you; pooled libraries can be quite challenging to use! In this post, I’ll walk you through how...virus. Let’s start there!     Figure 1: Flowchart showing the process for using pooled lentiviral...

...has no doubt changed drastically over the past few decades. But no matter how much it changes, it will still... in one cell type but not in others. The same mechanism that allows enhancers to regulate gene expression....2021.108754 Panigrahi, A., & O'Malley, B. W. (2021). Mechanisms of enhancer action: the known and the unknown...

... electrical current recorded by the instrument changes. Base-calling software can then identify the nucleotide...nucleotide that passed through based on these characteristic drops. Figure 3: Overview of Nanopore... up the pace Our QC team constantly faces the challenge of keeping up with the large amount of QC analysis...., & Coulson, A. R. (1977). DNA sequencing with chain-terminating inhibitors. Proceedings of the National...

...of reprogramming (or “Yamanaka”) factors, they changed the landscape of regenerative medicine. Their work...viral vectors are preferred. This is to avoid the chances of insertional mutagenesis, which is the integration...replacing C-MYC with L-MYC [10, 11]. While the mechanisms underlying the enhancement of iPSC generation...Induced Pluripotent Stem Cells (iPSCs): Benefits, Challenges and the Road Ahead." Journal of Alzheimer's disease...

...expertise with that of the company. To increase your chances at successfully applying for a position, you should... in a technical support role. What general characteristics do jobs in technical support have? There are... less time consuming and/or less technically challenging. Alongside there is a second-line team that takes... ways to communicate with customers. Online live chat is a convenient alternative for asking a quick question...

...following changes. In pCas9, we 1) replaced the promoter of gRNA-pMB1 with PrhaB, 2) changed the replicon...same year. Her research is focused on the escape mechanism of genome editing in microorganisms which could...cells to understand the genetic and biochemical mechanisms behind their distinct phenotypes and to design...

...General Meeting seven other times I had subsequently changed fields and my cohort of friends and colleagues ...evolutionary lineages share genes that can improve chances of survival for an individual, and eventually, ... cells regulate gene expression in response to changes in cell density. At the mixer, they meet other ...Dill-McFarland, Lisa Gorski, Mark O. Martin, Maureen Berg, Michael D. L. Johnson, Tiffany Lowe-Power, Eric Griffis...

...incentivize good mentorship: AMA mechanics: Be prepared! The mechanics of doing the AMA were interesting...Getting on a good science career path can be challenging these days, but for many of us, scientist is ...Science through Video with the Addgene Youtube Channel Check Out Vidoes of Gender & Science from LabLinks...

...How are you currently exchanging information with your team? If you need to exchange information regarding...which they are sure that there will be no sharp changes in costs once they establish the system within ...consolidated to one place, easily retrievable, searchable and traceable. However, switching from paper ...

...for researchers looking to generate long-lasting changes in cells. However, for some applications, integration...numerous variants have been developed with different mechanisms to inactivate the integrase.  The IDLV life cycle...construct has the D64V mutation, a single amino acid change (from aspartic acid to valine at position 64) which...Kempski, H., Brugman, M. H., Pike-Overzet, K., Chatters, S. J., de Ridder, D., Gilmour, K. C., Adams, ...

... of reasons to consider using genome editing to change the genetic code of plants, including the development... system in most organisms, some plant-specific changes to CRISPR components are necessary to enable genome...try your hand at CRISPR. References Belhaj K, Chaparro-Garcia A, Kamoun S, Nekrasov V (2013) Plant genome.../mmbr.67.1.16-37.2003 Khatodia S, Bhatotia K, Passricha N, Khurana SMP, Tuteja N (2016) The CRISPR/Cas...

... do you need [for your lab start up]?” A hiring chair or dean will often ask a faculty candidate. Sweaty...focusing on long term investments. For example, purchasing “used” equipment can save you money in the short...their tangible resources. For example, if a dean/chair asks “how much do you need to start your lab”. You..., working with this question is second nature. Channel your inner curiosity and use your research training...

...giving greater concentration of cut DNA without changing the size. As a result, a restriction digest of...reducing multimerization and define recA-independent mechanisms. Avoid overgrowing the bacterial culture Another...PMCID: PMC3060453. Bazaral M, Helinski DR. Characterization of multiple circular DNA forms of colicinogenic...Adv. 2009 Jul-Aug;27(4):353-70. doi: 10.1016/j.biotechadv.2009.02.003. Epub 2009 Feb 20. PMID: 19233255...

... loci of integration [8].   Figure 1: Mechanism of the piggyBac™  transposase/transposon gene ...CRISPR/Cas9, TALENs, and ZFNs). However, several challenges still remain, such as making gene edits completely...nuclease technology with the piggyBac™ system, these challenges can be considerably reduced. The piggyBac™ transposon...researchers to avoid making unnecessary base pair changes as would be the case with ssODNs. One minor drawback...

... genome editing system you use, there remains a chance that the observed phenotype was caused by an off-target...25566793. PubMed Central PMCID: PMC4349094. 3. Bell, Charles C., et al. "A high-throughput screening strategy...: 237-243. PubMed PMID: 25664545. 10. Gabriel, Richard, et al. "An unbiased genome-wide analysis of zinc-finger...Therapy (2015). PubMed PMID: 26502778. 13. Frock, Richard L., et al. "Genome-wide detection of DNA double-stranded...

...in a screen, to ensure that each gRNA has a good chance to contribute to the screen. In the end, this results...that code for surface proteins. One of the first challenges with a custom screen approach is to identify ...Wu (4), Yusa (5), Wang/Lander/Sabatini (6), and Chari/Mali/Church (7). These reference libraries contain... 28162770. PubMed Central PMCID: PMC5445660. 7. Chari, Raj, et al. "Unraveling CRISPR-Cas9 genome engineering...

... called SNAPf. eDHFR: The Virginia Cornish and Michael Sheetz labs demonstrated in 2005 that proteins ...and see the results right away. Or perform pulse-chase experiments by sequentially adding different ligands...All this flexibility comes at a price, though. Purchasing lots and lots of organic dyes or specialized ...Johnsson, K. (2021). Kinetic and Structural Characterization of the Self-Labeling Protein Tags HaloTag7...

... research papers, blogs, free courses, YouTube channels, books, podcasts, and communities to help people...Niko McCarty; adapted from Bruce Wetzel and Harry Schaefer, NCI, NIH | License   I’m updating it regularly...understand the contours of each topic. The video channels are also underrated and I recommend checking them...

...description of the applicable research project when purchasing export-controlled materials. Addgene will then...our normal process.   Due to recent regulation changes, an export control license for rabies materials...processing fee will be removed before your account is charged.  Timelines  We have offered VSV and SARS-COV-1...

... the 2022 #DeckTheLab contest!  and it's..... Michael Früh submission, which we have entitled "Do You...friend anymore :C pic.twitter.com/rExV3b8Q8u— Michael Früh (@Michelderapfel) December 19, 2022   Congratulations...used tip boxes for a lab supply tree and set a challenge to my lab mates. They did not disappoint. #deckthelab...

...Number of requests per reagents (as a horizontal bar chart) Number of requests per country (as dot plot) ...) Number of requests per year (as a bar chart) A written summary of the data, including total requests...microscopy (University of Amsterdam). He develops, characterizes, and uses genetically encoded fluorescent probes...

...Host-parasite Interactions, Institut Pasteur, Paris) that changed genome editing in the malaria community for the...it all settles down and the value of each item changes from what the reviewers so painstakingly assessed...space. The CRISPR research community hasn't had a chance to develop a consensus on the best CRISPR software... up with it. The peer review process has been challenged with many closely spaced CRISPR software submissions...

...these challenges, a group of stakeholders came together with the goal of driving systemic change in academic...the community.  Talk alone is not going to drive change. This effort is already resulting in concrete actions...

...created tagged versions of the cyclin Cdc28 and the chaperone Ydj1, both of which display sophisticated interactions...with multiple other proteins. Again, little to no change in cell morphology was observed with IT5 and IT6...methods (2015). PubMed PMID:26322837. 2. Stadler, Charlotte, et al. "Immunofluorescence and fluorescent-protein...

...Department of Energy’s Joint Genome Institute for uncharacterized genes that were proximal to a CRISPR array ...presence of a predicted RuvC nuclease domain, characteristic of CRISPR-Cas enzymes. In contrast to other...bacterial genomes but only in the genome of a group of Archaea. Consistent with this origin, the authors suggest...

...biologists have spent a lot of time making things glow. Chances are you’ve used a GFP derivative to conduct subcellular...optogenetics. Even though GFP has been so thoroughly characterized, it turns out this protein has a few more secrets... LM, Wang Y, Condeelis JS, Verkhusha VV. A photoswitchable orange-to-far-red fluorescent protein, PSmOrange...

... inferred based on correlative biochemical characteristics and ectopic reporter assays. We have been interested..., identifying these deletions, and finally characterization. Read and download the full protocol from ...Dass A, Yien YY, Chung J, Masuda T, et al. Characterization of genomic deletion efficiency mediated by...

... desserts. We enjoyed a video highlighting the changes at Addgene over the last 10 years as well as the...fruition. The concept, though relatively simple, changed the course of scientific research. What was once... ghost writers, of course! Amy Uddin and Emma Gottschall, two of Addgene's lab technicians, gave Blugene...

...Navigating a fulfilling career in science can be challenging – is advice and guidance from only 2 people enough...with the researchers who joined a recent Twitter chat for Early Career Researchers.  Many of the participants...lighthearted, the article does highlight key characteristics of a good mentor: Yoda image courtesy...

...development, learning, and behavior poses many challenges in neuroscience with many brain regions, neuronal...specific neuronal subtypes and determine how these changes affect the phenotype. Viral vectors and genetic...specific cell type. Find some transduction characteristics of select AAV serotypes in Table 2 from the...

...                      University of North Carolina at Chapel Hill University of Illinois Chicago                     ...beyond academia. For example: Plasmids from the Michael J. Fox Foundation are used in Parkinson’s research...carriers (SLCs) for medical research Recently, the Michael Davidson Fluorescent Protein collection, a ‘One-Stop...

...homologous recombination in bacteria. These quirks change the way CRISPR-mediated genome engineering functions...While the activation of transcription is a more challenging problem than repression, scientists have deposited...the target sequence which could be adjusted by changing the sgRNA length. The system could be further ...Streptomyces, yet genome engineering remains challenging for most organisms in the genus. Work from the...

...widely available imaging platform: ultrasound. Challenges of in vivo imaging with existing bacterial reporters... by water-dwelling photosynthetic bacteria and archaea to regulate their buoyancy. The Shapiro lab recently...genes for in vivo imaging Following in vitro characterization, Bourdeau et al performed a proof-of-concept...

...Sometimes DNA sequences need to be “cleaned up” or changed in some way before you can analyze them. These ...complement sequence.  Filter DNA tool: Removes non-DNA characters, such as numbers and blank spaces, from the text... primer dimer estimation, and other primer characteristics. NEB Data-optimized Assembly Design (DAD): ...

...are distributed. Next month, we are making two changes to the policy that will make the process a bit ... the published-paper-celebration checklist as champagne or cupcakes, or maybe the lab member originally...updating our Hold for Publication policy with two changes that will help us ensure that plasmids don’t get...

...provide new opportunities for investigating genetic mechanisms related to morphogenesis, cell fate specification...enzymatic receptor DAD2. SLs induce a conformational change of the receptor which modulates the fluorescence... a major economic impact.   Design and mechanism of action of the receptor-based SL fluorescent...

...backbone of the DNA helix or even changes the DNA sequence through a mechanism called depurination. In depurination...contamination.  Extreme pH can denature, break, and even change the DNA sequence. High pH favors the breakage of...

...found in bacteria, but also exist naturally in archaea and eukaryotes such as yeast and plants. In nature...manipulate gene expression in target cells. Characteristics such as flexibility, versatility, safety, and...Produce enzymes that will make specific, controlled changes to an organism’s genome (genome engineering) Produce...