We narrowed to 928 results for: Mpl

...homologous recombination. The concept is simple: deliver a template with a modified version of the targeted...homologous recombination using a repair template. These templates can include loxP sites to create conditional... sequence to the cell which will recombine the template with the endogenous gene. Here, we'll describe...homology is typical for targeting constructs. In the example shown in Figure 1, large sequences corresponding...is expressed (knocked in). As seen in the above example, you can remove a floxed resistance gene using ...plasmids described in the preceding sections are simple ways of knocking out a non-essential gene of interest...functions normally because one of its exons has simply been replaced with the same sequence flanked by...

... useful they are implemented in most materials that have been engineered. For example, Boole’s logic shows...BioBricks Foundation to distribute the physical DNA samples, for when that's the preferred mode of receiving.... What the BioBricks Foundation is seeking to accomplish is to make the engineering of biology much easier...Integrase Logic (BIL) gates collection of parts implements the basic logical functions, which we know and..., computers, and now through BIL gates we've implemented them in DNA. We thought these were so much fun...including growth or fluorescence. There are a few examples of engineered RNA switches, but we've not yet ...incredible hidden story here. The parts we are releasing simply plug into this existing economic activity. People...

...removing excess dye from the sample, which is particularly important for samples where washing is difficult...reason is something called “the photon budget”: each sample has a limited number of fluorophores and each fluorophore...of information one can extract from a biological sample is wholly dependent on the photon budget and pushing...fluorescence microscopy often requires more photons. For example, moving from transient overexpression of protein... desperate to extract a few more photons from a sample. Chemical fluorophores can be substantially brighter...labeling chemistry easier and more functional in complex biological environments such as live cells and ...brightness of the resulting conjugate, and the complexity of the system. A particularly desirable property...

...little intimidating. Too simplistic and I would insult the students. Too complicated and I would quickly lose...I was careful to keep it relatively simple. I honed the complexity of the talk by running it by the teachers...feel comfortable speaking on topics that would compliment the STEM curriculum. As it happened, I’d met ...will likely change for next time is giving fewer examples and think of a way to make this section more interactive...present to middle schoolers, is to provide current examples. When I asked Joanne Marks, one of the 8th grade...extension to our curriculum and offered engaging examples of how understanding genetics is so timely.” Genome...hard-pressed to maintain the pace of CRISPR. Two of the examples I used in my presentation had only become public...

...valuable to scientists, there are some potential complications that must be considered when using this method...alternative approach, which avoids many of these complications, is to directly deliver a ribonucleoprotein ...ribonucleoprotein (RNP), consisting of the Cas9 protein in complex with a targeting gRNA, to your cells of interest. Cas9...CRISPR experiment is the generation of the RNP complex.  While one option is to purchase the Cas9 protein... nuclear membrane, allowing for entry of a DNA template. Other techniques, such as lipid-mediated transfection...specific cell types (Rouet et al. 2018). This was accomplished using a Cas9 mutant (Cas9M1C/C80S) that harbors...been an area of intense study. Two methods to accomplish this are Polyethylene Glycol (PEG) mediated transfection...

...multiple Cas proteins to form the Cascade targeting complex is a hallmark of Type I CRISPR-Cas systems, in ...in contrast to single-protein effectors employed by Type II systems (such as CRISPR-Cas9). Unlike in regular...nuclease activity. Instead, it forms a novel co-complex with the transposition protein TniQ for targeting... by the system. Guided by the crRNA, QCascade complexes survey the genome and bind target DNA sequences...pairing. Separately, TnsABC forms a transposase complex with the mini-transposon, excises it from the donor... a very similar manner to Type I-F, but instead employ a Cas12k protein instead of three Cas proteins ...in single-plasmid INTEGRATE (pSPIN), which offer simple transformations for smaller cargos, and the ability...

...credit for what we have accomplished. Starting with a recap of accomplishments, from learning new techniques...tangible research and career goals, and celebrate accomplishments. These techniques are laid out in Vincent et...DePace’s yearly planning meetings revolve around two simple worksheets, each of which is filled out separately...conversation. Goals and Planning Worksheet: Lists accomplishments, research/professional goals and feedback. ...including major project goals and effort needed to complete them. These documents dictate the subject matter...concrete plan in hand, trainees are motivated to complete their work rather than overwhelmed or confused...Extracurricular Activities for a Strong Science Career Path 7 Simple Strategies to Resolve Conflict With Difficult Supervisors...

...desired tags have been integrated. Simply design your amplification primers with the desired targeting...cerevisiae and S. pombe. The protocol is surprisingly simple, requiring only a PCR product containing the modifying...markers. These are especially useful in protein complex studies where tagging of multiple protein products...for easy capture and detection of proteins and complexes, without the artifacts sometimes associated with...Formosa, at the University of Utah, has built a complete collection of yeast tagging modules with each ...ideal for tandem affinity purification of protein complexes. John Pringle and Jürg Bähler have deposited a...GST, or GFP). Longtine et al.(3) describe a complimentary set of plasmids for use in S. cerevisiae, with...

...needed to transform the raw sequencing data into a complete plasmid sequence that would be ready for our QC...containers are they are designed to ‘contain,’ in a complete package, all of the pieces of software that depend...can be easily shared with others without any complicated setup. We created, tested, and debugged each ...bioinformatics workflow in Nextflow Establishing a complete pipeline however, required more than just identifying...executed on Linux, we created our first process by simply copying and pasting pieces from our existing script...from the first process to the second process. For example, our bbduk process created trimmed FASTQ files ...sure we understood the concept of channels and implemented the input declaration correctly, the script block...

...approaches that may come up during discussion.  One example of agility at work is our process for working on...instructions on how to demonstrate the feature. For example, we recently reduced the number of steps involved...stories in that sprint relate to the theme. For example, we could have a shipping sprint and all the stories...get different perspectives on how things are implemented and from that, develop better software.  Maintenance...how you combine it with other ingredients.  For example, we use a third party library to handle label printing... compatible with the updated library. A recent example is updating our software from Python 2.7 to Python...analogy. Human languages evolve over time, for example from Ancient Greek to Modern Greek. Books written...

...a peer-reviewed journal. To start this process, simply enter your preprint title or a general description...information directly into the file. Email the completed spreadsheet to [email protected] along with ...used to knockdown expression of mRNAs with complementarity to the shRNA sequence. Empty backbone A plasmid...plasmid data in the pages described below. You can complete these pages sequentially by entering the appropriate...any functional consequences of that change. For example, "Mutated Aspartate 123 to Lysine (D123K), lowers...box for backbones requested through Addgene. For example, you could enter "Feng Zhang (Addgene plasmid #52961...the links at the top of the page. Figure 11: A completed plasmid page for review before submission. Once...

...structurally resemble any other known proteins; they are completely unique to the CRISPR system (Nishimasu et al.... these regions, even if they are present in the sample. Other techniques, like electron microscopy and...conformation.   Fun Fact! Even though the Cas9:RNA complex is well described in the closed conformation, recent...electron microscopy studies have also found Cas9:RNA complexes in the open conformation (Cofsky et al., 2022)...guide RNA, prearranged for base pairing with a complementary DNA strand. These 10 nucleotides are the “seed...the PAM sequence and doesn’t mind if the PAM complementary strand is mismatched.   Figure 5: S. ... found a PAM site, Cas9 needs to check for complementarity with its guide RNA. But how to test DNA bases...

...the blocking-only templates will compete with the blocking/intended mutation templates resulting in cells...HDR), a distinct cellular DNA repair pathway. Accomplishing this usually involves simultaneously introducing...introducing a homologous DNA repair template, such as a sin­gle-stranded oligodeoxynucleotide (ssODN), which... – Edit the cells a second time using a repair template that corrects the blocking mutation and again ...that the cell was only using a part of the repair template and mutations further away from the cut site were...intended mutation site are available, a repair template containing blocking and intended mutations can...can be equally mixed with another ssODN template that contains the same CRISPR/Cas-blocking mutation but...

...one AAV and a repair template in second a second AAV to deliver their repair template to mouse zygotes and...system frequently over the past fifteen years. Some examples from their lab include using AAV to introduce ...homologous recombination with a homologous repair template. It is this application - the creation of sequence-specific...by using a targeted nuclease. Asuri et al, for example, used zinc fingers to increase the efficiency of...allowing a researcher to fill it with the repair template. Bok and Porteus 2017 recently showed that by ... as RNPs and delivering two halves of a repair template spread across two AAVs, it is possible sequentially...this technique, Bok and Porteus deliver a repair template that would take up ~6.5 kB if delivered in a single...

...trace file generated in Sanger sequencing and a simple algorithm to quantify editing efficiency by insertion...   How to perform a TIDE First, use PCR to amplify the target region of interest. Then Sanger sequence...unedited population and your Cas9-targeted cells. Simply upload both trace files to the TIDE tool online...flanking the editing site on either side of the amplicon. Based on the frequency of out-of-frame edits...have to screen to identify a knockout clone. For example, if your cell line is diploid (2N) and your out...Validating knock-in mutations You’ve introduced a donor template along with your gRNA and Cas9 combo and are hoping...deleted accordingly. Pro tip: make sure your PCR amplicon isn’t too large so that you can easily visualize...

...interact during various behaviors. Either tissue samples were harvested after the behavior, or the animals...develop these fibers, the labs looked at previous implementation of optogenetic tools, calcium sensors, and ... be, as well as other features necessary for implantation in brain tissue. The gut, on the other hand...hand, was the wild west for fiber implants. Due to the soft nature of the intestines and the requirement...fibers could not be directly repurposed for gut implantation. The fibers they ended up generating were 10...relatively static). To operate both types of implanted fibers simultaneously, a mini-Bluetooth system...also record tissue temperature proximal to the implanted fibers. As important as its capabilities are the...

...understanding these complex processes can’t be overstated, we can also learn a lot from Nature’s simpler solutions...engineer it to suit our purposes? In search of simple biological machines R bodies can repeatedly ...These questions can be addressed using R bodies: simple, force-generating protein machines that can extend...conformational changes. These tiny movements are then amplified tens or hundreds of thousands of times by propagating...could be used in a variety of applications. For example, you could use them to lyse cells (and surrounding...

... could be meaningful for your potential employer. For example, my experience in science outreach and writing...have merely two pages to convince your potential employer that you are the right candidate for the job. ...and tailor the resume for the job posting. For example, if the job asks for experience in “statistical...French-speaking is an asset,” mention “speaks French.” Employers usually don't spend more than 20-30 seconds on...skills you developed through your research? Don't simply write about the research you did. Emphasize the...necessary in order for you to do your research. For example, did you help put together a grant application?... into a communications role instead after she completed her MSc in Experimental Medicine. She is the Community...

... whole genome amplification (by a mechanism known as multiple displacement amplification) even in the ...faces as it approaches a host cell surface are complex polysaccharide structures, many of which are easily... DNA from host cell nucleases (4). To further complicate matters, even when sequenced, phage genomes tend...paper for more details on the assay, including examples of RBPs successfully identified using this method... for cell-binding abilities (6). This can be accomplished using a restriction enzyme with a short recognition...that is refractory to enzymatic manipulation, amplifying phage DNA with phi29 polymerase prior to fragmentation...others in liquid culture, dilute and plate the complete library of transformants for single colonies (...

...𝛽-galactosidase. Complementing this mutation by expressing this deleted portion, for example on a plasmid,...fewer colonies after your experiments. As a common example, a selection will leave you with the colonies that...plasmid contains your insert of interest or not. For example, choose enzymes that only cut once on either side...you will just see one band. These are only a few examples of how you can use restriction digest to screen... by using primers that are vector specific but amplify a potential insert. If you’re using insert-specific...no insert in the plasmid, you won’t be able to amplify anything. Like any experiment, you’ll want the ...get started, you will first need a primer that complements your plasmid sequence. Start with a backbone-...