We narrowed to 1,054 results for: tra

...Collections Tetracycline (Tet) Inducible Expression Tetracycline (Tet) Inducible Expression Tetracycline Off ...element; tTA: tetracycline-controlled transactivator (fusion of TetR with VP16 transcriptional activation...reverse tetracycline-controlled transactivator (fusion of mutated TetR with VP16 transcriptional activation...in the presence of tetracycline. A new reverse tetracycline-controlled transactivator (rtTA) was created...present, TetR binds to tetracycline and releases tet O, enabling transcription (Figure 1). While TetR ...other promoter elements and transcription machinery are not shown. Tetracycline Off (Tet-Off) The first major...advance was the Tet-Off system. A tetracycline-controlled transactivator (tTA) was created by fusing TetR...

...Signaling Strains Browse Addgene's collection of synthetic biology related bacterial strains. SynBio Bacterial...Strains for use in Synthetic Biology. Plasmid... Plasmid Collections Synthetic Biology Bacterial Strains Synthetic...Synthetic Biology: Bacterial Strains SynBio Resources SynBio Home Browse All SynBio Assembly Standards SynBio... Bacterial Strains Search the table by keyword or sort by the table headings. Click on the publication...

...Monosynaptic Neuronal Tracing Viral Vector Packaging Service: Tools for Monosynaptic Neuronal Tracing These AAV encode... EM. 2007b. Monosynaptic restriction of transsynaptic tracing from single, genetically targeted neurons...encoding tools for monosynpatic retrograde neuronal tracing, to be used with modified rabies virus. Viral...encode tools for rabies virus-based monosynaptic tracing. These AAV can be used with modified rabies virus...virus to perform retrograde neuronal tracing. Note : Addgene does not distribute rabies virus. AAV Vectors...Vectors for Monosynaptic Neuronal Tracing ID Name Description Serotype PI 52473 pAAV-synP-FLEX-splitTVA-...Introduction to Rabies Virus-based Monosynaptic Tracing The core idea of the system is to infect the cell...

...Plasmids: CRISPR Transposases (CASTs) Mammalian Bacteria Resources CRISPR-associated transposases (CASTs) combine...tables below for CRISPR transposase plasmids. To learn more about CRISPR transposases and other CRISPR topics...Find plasmids for CRISPR-associated transposases (CASTs) for insertion of donor DNA. CRISPR...combine the large-scale capacity of transposases (Tns) with the precise DNA-targeting of CRISPR-Cas systems...lacks nuclease activity, instead recruiting the transposase (comprised of multiple components) to target ...locations in the genome defined by a guide RNA. The transposase can then integrate donor DNA. Editing by CASTs...CASTs is not considered "scarless", as the transposon homology sequences are integrated along with the donor...

...CRISPR plasmids that create double strand breaks in DNA.... functional Cas enzymes will introduce a double-strand break (DSB) at a specific location based on a gRNA-defined...

...introduce gRNA-targeted single-strand breaks in DNA instead of the double-strand breaks created by wild-type... opposite strands of your DNA in close proximity. These double nicks create a double-strand break (DSB...CRISPR nickase plasmids for the generation of single-strand breaks. CRISPR...non-homologous end joining (NHEJ). Double nicking strategies reduce unwanted off-target effects. Nickase mutants...

...including transformation, transduction, conjugation, and transfection. Transformation, transduction, and conjugation...created phages. Transfer of this DNA to another cell is referred to as transduction. Transferred DNA once inside...different methods of DNA insertion. Transformation Transformation is the uptake of genetic material from...fluoresce green. Comic by Maya Kostman.   Transduction Transduction occurs when foreign DNA or RNA is introduced...infected bacterium can either exist as transient extrachromosomal DNA, like a plasmid, or it can integrate...from a ‘helper’ phage prior to transduction. Scientists also use transduction to introduce foreign DNA into...donor can transfer genetic material to the recipient bacterium. The genetic material transferred is commonly...

...that the transformation and gene expression can be tracked. During a transient leaf transformation, the engineered... plant scientists do transient leaf transformations The development of transgenic plants is a common problem...method. Transfer your plant into the dark 16 hours before the transformation. We routinely transfer our plants...developing transgenic hairy root lines in tissue cultures takes half a year, and generating a transgenic plant...plant can take even longer, a transient plant leaf transformation process could save the plant biologist...development of transgenic hairy roots takes at least six months. Generating a transgenic plant takes even...reproducible. Prior to creating transgenic cultures or plants, our transient expression method enables us...

...specific clone; lineage tracing is performed via barcode sequencing. Using the ClonTracer library, Bhang et ...interview with Novartis researcher, Carrie Bhang. The ClonTracer Library, deposited by Carrie Bhang, a research... exposure to the drug discovery process.” The ClonTracer library originally came about as Bhang and co-workers...questions that we could apply [it to].” Using ClonTracer to study drug resistance Although Bhang and co-workers...the publication, Bhang and coworkers used the ClonTracer library to determine whether or not cancer cell...the total population are easily be missed. The ClonTracer library allows a researcher to label individual...cells' genomes upon infection. When using the ClonTracer system, lentiviruses containing these barcodes...

...opportunities to practice transferable skills in ways that will also enhance your science training and that will ... in a nonacademic direction, there are many “transferable” skills you have developed in addition to learning... concrete things you can do to develop those transferable skills while you are also learning to be an ...careers is that a team is almost always involved. Demonstrating your ability to work well with others can be...business” Attend events with local networking and trade organizations Another excellent perspective on ... transferable skills... science training...

.... This is why they are called transferable skills. Why are transferable skills so important? It is important... market, it is the transferable skills that create a full package and add an extra shine to your work.... be a more attractive candidate for that ideal job. How can you identify your transferable skills? PLoS...opportunities. Here are some strategies for identifying your transferable skills: Put yourself in situations...   What is a transferable skill? Time management. I needed it when balancing a handful of demanding courses...useful anywhere I work in the future; they are transferrable across most, if not all, industries and work...important to identify which transferable skills you possess because any potential employers, collaborators...

...of a frustrating situation. Asking for opinions from a neutral third party can be a useful strategy to ...researchers feel they lack formal training in a variety of transferable skills. At Addgene, we've set out...You can easily work on this transferable skill without any formal training or coursework. First, you have...signing contracts when working for a business development team, negotiation is a key transferable skill ... by highlighting that researchers learn many transferable skills while working in the lab and by offering...where you might need some help. Today in our transferable skills guide: Negotiation. As a grad student...business suits discussing multimillion dollar contracts behind closed doors. Fig. 1: The mythical...

...lab, or maybe even training on a new technique with a coworker. Being a new trainee (even if you’re an...an oldbe trainee!) can be pretty nerve-wracking. So how can you be the best trainee possible? It’s not...your best self to the training experience.  The ins and outs of being a trainee There is a lot of advice...true for training in the lab! If you don’t do proper preparation and pay attention during training, then ...questions to your training! All of these things will help you get more out of the in-person training component...need to double-check a detail! Training follow up After your training session (ideally in the next few... the information in your training. Bench mentor-mentee relationships Training can be a very fulfilling...

...generally are not transmitted to adjacent neurons via synapses (i.e., transmitted transsynaptically). This is ...Converting a transsynaptic neuronal tracer into a monosynaptic (first order) neuronal tracer For RABV to... connections. While this transsynaptic spread is useful for neuronal tracing, it has two practical limitations...retrograde transmission (Etessami et al., 2000, Wickersham et al., 2007). Thus, RABV transsynaptic spread ...operates. References 1. Callaway EM. Transneuronal Circuit Tracing with Neurotropic Viruses. Curr Opin ...Retrograde neuronal tracing with a deletion-mutant rabies virus. Retrograde neuronal tracing with a deletion-mutant...neurons are connected. Viral Vectors as Neuronal Tracers Due to their ability to efficiently enter cells...

... which is ease of transformation. There are many motivations to generate transgenic Arabidopsis, from ...from studying transcriptional and translational dynamics of genes and proteins in living plants, to complementing... dip transformation method. The general steps for this method include: Cloning and transforming a plasmid...integrates transfer DNA (tDNA) into the genomes of the plants it attacks Growing the transformed agrobacterium...obtain optimum transformation efficiency. It can take 6-8 weeks from the date of transformation to having ...2013). Preparing plants for transformation Whatever plants you are transforming into will be your T0 generation... ready to transform when they begin flowering. It is important to perform the transformation not long ...

...Blog Transferable Skills Guide: Problem-Solving Transferable Skills Guide: Teamwork Transferable Skills...researchers feel they lack formal training in a variety of transferable skills. At Addgene we're helping...creativity is absolutely a transferable skill developed during PhD training. Creativity is required to... to tackle it. It’s easy to get distracted by an email or sidetracked by a colleague. To innovate, you...both helping researchers recognize their MANY transferable skills learned while working in the lab and ...Today, we’re highlighting an oft-underlooked transferable skill: creativity. I’ve heard quite a few scientists...any scientist. In this blog, we’ll delve into strategies you can use to foster innovation. If you identify...

... to avoid contamination, take extra care when performing RNA extraction. RNA is inherently not as stable...expensive ultracentrifuge.  Figure 1: An outline of the different steps in RNA extraction. Researchers...your extractions- if you need really clean RNA, it’s important to make sure that when extracting, to only...stable as DNA- it is single stranded and its ribose groups are susceptible to hydrolysis and heat degradation... They will degrade in a -20°C freezer.   RNA extraction methods evolved into a simple protocol still ...without a kit. However, that isn’t the case for RNA extraction and purification. There is one simple method ... loaded onto cesium-chloride gradients and ultracentrifuged for up to 20 hours to separate the intact ...

...researchers feel that they lack formal training in a variety of transferable skills. At Addgene we've set out...Chiara, the tech transfer expert who understands the somewhat complicated Material Transfer Agreement process... highlighting that researchers do learn MANY transferable skills while working in the lab and by offering... skills of many of my colleagues, I can also orchestrate the formation of high-functioning-but-temporary...technical customer service. Team members are highly trained, and though there are necessary redundancies in...once famously said “I think this is the most extraordinary collection of talent, of human knowledge, that...own experience: Leadership Few things are more frustrating than being on a leaderless team. Sometimes the...

...requires further study. Traditional neuronal tracing methods Traditional tracing compounds either produce...retrograde tracing take advantage of existing transport pathways in neurons. Anterograde transport is typically..., and enzymes for transmitter synthesis. Retrograde transport is used for transport of endocytosed material... facilitate transport: retrograde transport relies on dynein, while anterograde transport relies on kinesin...mechanisms of trans-synaptic trafficking are not fully understood and may be a form of transcytosis where the...cell after intracellular transport without actually causing infection or leading to transgene expression... neuronal tracing experiments, brain tissue is injected with compounds that intracellularly spread away...

...immediately prior to their transduction has been shown to increase AAV transduction efficiency by approximately... 3. Transduction efficiency depends on viral titer Both of these can be increased by concentrating a viral...unavoidable for some vectors) you can concentrate your virus by ultracentrifugation of the viral stock, followed...before proceeding to ultracentrifugation to avoid contaminating your transduction with the packaging cells... by ultracentrifugation (75,000 - 225,000 g for 1.5 – 4 hours at 4 °C). After ultracentrifugation, virus...PBS.  Alternatively, to concentrate a virus solution without ultracentrifugation, you can reduce the volume...immediately following transfection. In other words, when exchanging the medium after transfecting cells, replace...