...friendships. I put “neutral” in quotations here because I would not have considered myself neutral in any of their... blog Management for ScientistsTransferable Skills Guide: LeadershipTransferable Skills Guide: Teamwork...stopped talking to each other if I was not there to arbitrate for them. They were different people with some... them would acknowledge later that without my “neutral” presence to alleviate those differences, they ...the right time. Like many of the posts in our Transferable Skills series, this post is not meant to be ... that you could strengthen. The right set of transferable skills, coupled with your technical skills, ...The source of those conflicts can frequently be traced back to one of a few trouble spots:  Communication...

...researchers feel they lack formal training in a variety of transferable skills. At Addgene, we've set out...evaluate potential strategies to resolve the problem.  Step Three: Decide on a strategy and implement it... highlighting that researchers do learn MANY transferable skills while working in the lab and by offering...where you might need some help. Today in our transferable skills guide: Problem-Solving. I don’t know ...potential sources of error and then decide on a strategy to fix the issue. I was problem solving!  You ... careers, I always felt that descriptions of transferable skills seemed fuzzy or ill-defined. In this ...it.  Step Four: Assess how effective your strategy was. If you didn’t quite fix everything or revealed...

...express a transposase or reverse transcriptase so they can transpose. Both class I and II transposons can be...eukaryotic genomes.  Components of a transposon system Transposon: The transposon is the DNA sequence that moves... encodes the proteins the transposon needs for transposition. Transposition protein: This is the protein...themselves as RNA transcripts and then rely on a reverse transcriptase enzyme to reverse transcribe back into ...reverse transcriptase and integrase enzymes which are required for LTR retrotransposon transposition. Non-LTR...reverse transcriptase activities.    Figure 1: Overview of retrotransposon transposition. Retrotransposons...2021. To mobilize a transposon, first the transposase enzyme binds the transposon’s long terminal repeats...

...emission spectra for BV421 and BV711 on a 3 laser spectral flow cytometer   Using spectral flow When...autofluorescence extraction feature. Although autofluorescence extraction is an optional feature of spectral flow ...portion of that spectra to use for compensation.     Figure 1: The emission spectra and filters ...cytometer.   Spectral flow cytometry Full spectrum flow cytometry, or “spectral flow” cytometry, ... be distinguished using spectral flow since the machine uses the full spectral signature, not just a narrow...in the spectra can be used to distinguish these two fluorophores from one another during spectral unmixing...with spectral flow—you can run a three color panel or a 40 color panel! When preparing a spectral flow...

...Enhancer traps Like promoter traps, enhancer traps lack enhancer elements and require the trapping of endogenous...circumstances, trap methods may be the preferred screening option. Promoter traps Promoter trap systems lack... enhancer traps! However, don’t count the other traps out just yet. Gene and promoter traps unambiguously... up on their modern counterparts. What are traps? Traps – gene, enhancer, and promoter – all rely on...in fly, mouse, and yeast models. Why traps are useful Traditional genetic screens employ various on/off...expression of the gene they monitor. Gene traps Gene traps are promotor-less constructs that contain ...gene product resulting in a transcriptional fusion, much like promoter traps. While this system does not...

...an article describing a sucrose supplementation strategy to improve yield. In addition, as described in..., the team developed a viral genome sequencing strategy to confirm the identity and purity of all AAV ...! AAV purification by iodixanol gradient ultracentrifugation This video goes over AAV vector purification...protocol page for more detailed instructions. AAV titration by qPCR using SYBR green technology Here’s some...used to generate a standard curve, visit the AAV Titration by qPCR written protocol page. Getting started...

...competitive transplant assay in the mouse intestine, demonstrating its utility in long-term tracking in vivo...provides a combinatorial indexing strategy that simultaneously tracks clonal history and cell identity ...linking ancestral gene expression patterns with reprogramming outcomes (Biddy et al., 2018). Tracking lineage... tool that combines scRNA-seq and lineage tracking to track the dynamics of gene expression and clonal... of CellTag The Morris Lab developed CellTag to track the direct reprogramming of mouse embryonic fibroblasts...reprogrammed into iEPs by retroviral expression of transcription factors Foxa1 and Hnf4α, a process that like...reprogramming (CellTagMEF), at the end of the three-day transcription factor reprogramming treatment (CellTagD3), ...

...fluorescent protein (XFP) genes in a transgene. When multiple copies of the transgene cassette are introduced, stochasticity...delivery is more common than conventional transgenic strategies. In such vector-based gene delivery systems... XFPs in the original method, we used the Tetracycline trans-activator system to boost the expression ...expression levels, and we named the system Tetbow (Tetracycline trans-activator Brainbow) (Sakaguchi et al., 2018...Bio-Protocol 8 (2018): e3046. Livet, Jean, et al. "Transgenic strategies for combinatorial expression of fluorescent...troubleshooting your Tetbow experiment Plasmid concentrations and AAV titer - The XFP genes have to be introduced...highest color variations. Adjust the plasmid concentrations or AAV titer for the best results. The timing...

...researchers feel that they lack formal training in a variety of transferable skills. At Addgene we've set out... are a graduate student or post-doc in a traditional training program, and you hope to make a career in... highlighting that researchers do learn MANY transferable skills while working in the lab and by offering...any formal or mandatory professional development training. Further, even for those students and researchers...

...NEB’s new teaching space at Lab Central to learn all about it. LabCentral is a lab and office space shared...because both LabCentral and Addgene aim to make scientific advancement easier. NEBNext Ultra FS DNA Library... prior NEBNext Ultra II DNA Library Prep Kit for Illumina, one was only able to extract libraries from...New England Biolabs (NEB) hosted workshop at Lab Central and discuss why these types of workshops could ...in a lab.   Participating in a workshop at lab central We’re working on a project where we aim to do large...throughput DNA prepping by trying out NEB’s new NEBNext Ultra II FS DNA Library Prep Kit for Illumina sequencing...people to take a break and relax. Companies at LabCentral get access to a variety of experimental services...

...your AAV packaging transfection. In my lab we regularly use the ratios below: 1 Transfer Plasmid : 1 pHelper...prevent future headaches. To help you plan PEI transfections for AAV packaging, considering using this PEI...Calculator. AAV packaging typically requires transfecting three plasmids at specific molar ratios. To ...PEI calculator for AAV packaging Use the PEI transfection calculator for AAV packaging Select the plasmid...pHelper: 1 RepCap OR 3 Transfer Plasmid : 5 pHelper: 2 RepCap Select what type of tissue culture dish ...dish you will be performing the transfection in: 15 cm dishes OR CF5 stacks Select how many dishes or ...or stacks you plan to transfect: 1 to 10 Fill in experimental details on the spreadsheet: Name your...

...with a 3-part strategy: Train: Nearly every new Addgene employee gets “Lexicon Training.” Since the lexicon...you can be incredibly frustrating. Clarifying the words —> decreasing frustration —> increasing the happiness...and racks meant we had fewer errors in our LIMS tracking system. Though you might not have to communicate... lexicon is a “living” document, I update the training frequently. In hindsight, getting a list of frequently...resources on the Addgene blog Read about other transferable skills Find all of our science career related...

...DEAE-dextran can improve transduction efficiency. In addition, this study found that transduction efficiency...passage number of a culture the lower the transfection and transduction efficiencies. Cultures should only be...others opt for a single harvest after transfecting with the transfer and packaging plasmids. A benefit of...type may not translate well to other cell types. To overcome this issue, try transducing with a range ...Zhang, X.Y., Reiser, J.. "Production, concentration and titration of pseudotyped HIV-1-based lentiviral...vector titration and in the use of multiplicity of infection (MOI) for predicting gene transfer events... for getting the most out of your lentiviral transduction experiments. Love your cells and they'll love...

...E. coli expression strains  Note: All strains are derived from the E. coli B strain, except ** which are...induction strain for example, nor will a p15 plasmid be compatible with a pLys strain. Your strain may require...popular commercial strains designed to avoid them. Why do I need an expression strain? Protein expression...below, certain specialized strains are available to confer greater transcriptional control, assist with proper...most expression strains to accommodate high protein levels including:  ompT: Strains harboring this mutation... These strains have an inactivated native restriction/methylation system. This means the strain can neither... K12 Strain Resistance Key Features Genotype Use BL21 (DE3)   Basic IPTG-inducible strain containing...

...emotions, such as frustration or anger, because your discussion will get side-tracked, and you might create... your project and work hours. While specific strategies to deal with each of these personality types ...these principles it would be “assertiveness.” 7 strategies to become more assertive & resolve conflicts ...supervisors are difficult people. The following seven strategies will help you to become more assertive and resolve...between you and your supervisor, you need to demonstrate that they can count on you to follow through ...professional conflicts. At the workplace, these strategies will help you to communicate with confidence ...your supervisor is a difficult person, the above strategies will still be helpful but you will need to be...

...the E. coli B strain. Common E. coli strains used in the lab Most of the commercial strains you find today... the intestinal tract of animals. There are many different naturally occurring strains of E. coli, some...commercial lab strains of E. coli used today are descended from two individual isolates, the K-12 strain and the...the B strain. K-12 was isolated from a patient in 1920 and eventually led to the common lab strains MG1655...1918 but was first referred to as “B strain” in 1942. The BL21 strain and derivatives are the most common...changes found in E. coli strains. Table 1: Common gene mutations found in E.coli strains Gene(s) Description...of the popular strains, their genotypes, and their primary use in the lab. These strains are all based ...

...terminators and resistance cassettes for selection of transgenic plants. The complete GreenGate toolkit, now available...the time required to generate multi-construct transgenic plants. In the most practical terms, what GreenGate...comparison to more tedious and time-consuming traditional cloning methods, Lohmann said. The key component...like other endonucleases except that they cut at arbitrary sequences a defined distance away from the recognition...principle work in any plant species. Tricks of the trade Lohmann does have one special tip for anyone looking...efficiency, simply stopped working. They finally traced the problem back to the endonuclease. “It’s just...about it but be gentle. If it no longer works, just trash it.” Lohmann and his colleagues including Joachim...

...lab. Extracurricular activities don't have to be ‘extra’ Today’s graduate and postdoc training focuses...using multidisciplinary, collaborative, and translational approaches for scientific tool and technique...However, careers outside of the lab highlight “transferable” skills such as leadership, management, and ...in a myriad of professions is to engage in extracurricular activities (EA). EAs can: Introduce new perspectives...may expose which experiments are crucial in demonstrating the true innovation, impact and, in turn, the...opportunity to expand associations outside of the traditional academic setting and to shape and strengthen ...strengthen interests and skills. Although the word “extracurricular” may be taboo in the lab, multiple research...

... don’t wait. Start communicating now. These 9 strategies will get you started:  Subscribe to Career Blog...internships to cover their annual meetings. 8) Training – Get a formal education Some people get into ...journalism graduate schools where you may take a science track. If you don’t want to commit time and money to a...engagement for institutions and the Royal Society gives training in media skills, writing about your research and...learning courses at the National Council for the Training of Journalists (NCTJ) or the Alan Alda Center ...

...contain plasmids deposited at Addgene from the abstract page. Check out that beautiful Addgene “Find Plasmids... Plasmids” badge in the image below. If an abstract on PubMed has the “Find Plasmids” badge, you’ll know... your PubMed account and are browsing article abstracts you should see the “Find Plasmids” box on papers...