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...and are inconsistent between universities!) This guide tells you how to use online platforms, such as Zoom...recognizing the importance and benefit of remote and video communication. But first, take a deep breath; at...navigate a global pandemic can also be the thing that provides a new perspective that helps to clarify the harder...before selecting an advisor, it is always a good idea to introduce yourself to a few members of your desired...incredibly useful, as it gives a more comprehensive idea of that advisor’s research interests which can be...further discuss aspects of the lab, research, and provide them with a CV or transcripts if requested Thank...Thank them, and eagerly await a reply. It’s a good idea to email around three professors per program. Most...

... dedicated summary page with PubMed identifiers and links provided, in addition to a list of individual...read-outs other than cell viability. The following video provides an in-depth walk through of how to use ORCS...and other species. By accurately compiling genome-wide datasets, which are often obscured in large supplementary...different datasets that might otherwise be hard to identify. Figure 2: Users can cross-interrogate ...linked to the original publication via its PubMed identifier, which can also be used to search the entire ...as the original quantitative gene-level scores provided by authors rather than sgRNA-level sequence read...tables available with the publication are also provided for the user. This approach serves to maintain...

... around the targeted nucleotide. Introduction of guanine-mismatches in the guide across from these off-target...CRISPR field. Just a year after Feng Zhang’s lab identified Cas13a (C2c2) (Abudayyeh et al., 2016) as a RNA-targeting...E488Q). They also adjusted the structure of the guide RNA by introducing a C opposite the target A to ...editing with various spacer lengths from 30-84 nucleotides, and designated this system REPAIRv1. Using next-generation... see if they could shrink the construct. They identified ADAR2DD(delta984-1090), which decreases the REPAIRv1... off-target editing. In one direct transcriptome-wide comparison, REPAIRv2 reduced off-target sites from...They note that RESCUE is most active in a 30 nt guide when C or U base-flips are present across from the...

... targeted locus on either side of the new sequence. This homology will guide the cell to use the donor...the first questions are where, which, and what. Identify where in the genome you would like to introduce...exogenous DNA can be used as well. Below are some considerations for designing donor DNA for successful HDR ...on the size of the knock-in. Single strand oligonucleotide donors (ssODNs) with homology arms as short...need to be used due to synthesis limits of oligonucleotides. These donors traditionally have larger homology... site until either the PAM site or part of the guide’s recognition sequence is destroyed via mutation....introducing a mutation in either the PAM or the guide recognition sequence in the donor DNA, you can guarantee...

...relative proportion of guide RNAs (gRNAs) across the population. Recall that guide RNAs are the targeting...’ll need something like Google Maps to help us identify and visualize addresses. That’s where enhancers...three-step approach for designing an experiment to identify the critical NANOG binding sites: 1. Find Enhancers... 1: (H3K4me1 + H3K27ac) – H3K4me3 The following video demonstrates how anyone can find enhancers with ...genetically programmed to CRISPR out the enhancers we identified in step 2. The result is a heterogenous population...to create targeted disease therapies with minimal side-effects on healthy cells and maximal effect on unhealthy... combination with the techniques from Table 1, provides us with powerful GPS-like techniques to explore...

...innovative ideas in all facets of the entrepreneurial process in order to develop those ideas into commercial...excellent people with mediocre ideas than mediocre people with excellent ideas. I am lucky to have launched...self-knowledge and an unwavering devotion to seeing your ideas become something tangible.  When you think of entrepreneurship...company, you need to determine whether or not your idea is viable.  Go to experts you trust and pitch what... received from our network.  We started with the idea of a biotechnology investment fund that would apply...our early stage.  After each pitch we made, we considered the feedback and adjusted our business model ...You’ll find that no matter how well you know your idea, you will rarely succeed in launching a company ...

...Trends: Most tools provide tabular HTML formatted output. Surprisingly only 2 tools provide FASTA output. ...success to technical expertise, thoughtful single guide RNA (sgRNA) design, and the abnormally low GC content...OMICtools. It must be confusing for a newcomer to decide on the right software to use. With so much choice...sgRNA design tools The goal of this post is to provide some insight into available CRISPR software tools...qualities of what determines good sgRNA design. Incidentally, the first software for sgRNA design (by Hsu...scoring algorithms and parameters. This tapestry of ideas is what makes choosing the right tool confusing ...functions are not entirely necessary but should be considered extremely useful, depending on design goals. ...

...use a high-fidelity polymerase to ensure accuracy. In this case, you would want a low-fidelity polymerase...sections. Structure-guided directed evolution If you desire a bit more control, structure guided directed evolution...specificity. Antibodies are frequently used both benchside and in the clinic. At the bench, improving antibodies...degenerate primers, gene shuffling, and structure-guided directed evolution. The nice thing about these ...PCR conditions can be changed to further lower fidelity, like changing the metal cofactor and the dNTP...complex as a template. This structural framework then guides the specific mutations you choose, whether it's...beneficial mutations. In other words, structure-guided evolution allows you to combine the strengths of...

...resistance to pyrazinamide (PZA) (a drug commonly used to treat tuberculosis) and in identifying new drug ...wild lettuce. Aside from their use as food, infusions of L. taraxacifolia leaves are widely used to treat...Ersing Seeding Labs and Addgene collaborate to provide scientific resources, equipment, and plasmids to...specifically, the Addgene-Seeding Labs plasmid grant provide plasmids to these researchers. In the third round...control. In her current research, Sheen aims to identify new genes related to PZA-resistance by using different...using CRISPR on our blog). Her research should provide us with a better understanding of PZA action and...treat several diseases. Her goal is to identify and isolate pure plant compounds with antidiabetic properties...

...few minutes. The host could also set aside Breakout Rooms to divide the audience into small sessions and...To date, aside from doing science, he has assisted many researchers in gaining the confidence to launch... at the lab meeting, the team can discuss those ideas and build from those.   Figure 1: Virtual...focus on. Use collaborative cloud apps It is a good idea to use collaborative cloud tools such as Google ... and Sheets during Zoom lab meetings to chip in ideas and take minutes that can be accessed by anyone ..., where everyone stands up, disappears from the video, and prepares a coffee, or simply moves away from...I believe this is a great functionality that is widely used and could bring back a taste of that casual...

...Cas9, for which efficiency varies widely across guide RNAs, each guide tested with CasRx yielded >80% knockdown...Cas13d proteins they identified have little sequence similarity to previously identified Cas13a-c orthologs... to tap the wealth of CRISPR possibilities. To identify Cas13d, both groups used very general bioinformatic...independently process their own CRISPR arrays into guide RNAs. crRNA cleavage is retained in dCas13d and ...its low immunogenicity. But these studies also identified other advantages, including Cas13d-specific regulatory...produced very similar cleavage products even when guides were tiled across a target RNA, indicating that...Previous CRISPR exon-skipping approaches used two guide RNAs to remove a given exon from the genome, and...

...ongoing Plasmids 101 series. Plasmids 101 will provide you with an overview of general molecular biology...plasmid with an insert? Blue-white selection is a widely used method to do just that! (To read about other...lactose analogue, IPTG (isopropyl β-D-1-thiogalactopyranoside). (To be completely accurate, IPTG binds...x-gal (5-bromo-4-chloro-3-indolyl-β-D-galacto-pyranoside) into galactose and an insoluble blue pigment...encoding this section of amino acids (called the α-peptide) to a lacZΔM15-mutant bacterial cell in trans complements...engineered a multiple cloning site (MCS) into the α-peptide (represented as an orange wedge in the figure on... your DNA (red) is cloned into this MCS, the α-peptide gets interrupted as shown in cell A, and thus will...

...relationships outside your organization. The mentor in your own workplace is able to: Help you identify specific... and become an insider faster A mentor that works elsewhere is able to: Help identify the skills you... you meet, the more potential mentors you will identify. Finding potential mentors is one of the many ...done this with people I work with and people from outside my work for almost 20 years. It is good to be a... this recent blog 5 Strategies for Finding Your Ideal Mentor. One of the best was to notify your network...family and friends know you well and might have good ideas for who you should connect with. Listen to our podcast...you will need to make a change Provide perspective on core values at another company/department Give more...

...nonprofit institution, you can order plasmids covering a wide range of fields from Addgene. What you might not...this kit have been used to purify a variety of peptides including antibiotic efflux pumps and ankyrin ...followed by leader sequences (encoding small leader peptides) downstream of which you can clone your gene of...interest. Translation of the standardized leader peptide prevents secondary structures in the mRNA encoding...from resulting in the production of a downstream peptide, the transcription terminators in this series are...plasmids from this kit include the production of a suicide switch in cyanobacteria, synthetic inverters in...biotechnologically important microalgae: intrinsic suicide switch implementation in cyanobacterium Synechocystis...

...demographics and the information is often confidential (see image below). Slide of information gathered by Postdoctoral... this very idea that postdocs are acquiring training to become professors that is provided as an explanation...transferrable to other environments. Slide from Paula Stephan’s Talk (All slides can be found here). Importantly...information does not, however, prevent us from identifying problems with the structure of the academic research... research workforce, and we are beginning to identify potential solutions. Keynote speaker Paula Stephan...masters programs to prepare scientists for positions outside of academia Require that postdoc salaries be paid...coming months and welcome guest bloggers who can provide additional advice to trainees navigating the waters...

... Addgene's resident blog editor, I could take the needed steps to continue where the guide left off - ...molecules can bind to a wide variety of targets, including proteins, peptides, amino acids, drugs, metal...I love Addgene's new Antibody Guide and not just because I helped create it. But while antibodies, as...its thorns and every affinity reagent has its downsides. These reduced-in-size options often have reduced...situations where a suitable antibody has been identified but a smaller or less immunogenic version is ...light chain regions, connected by a short linker peptide. The lack of constant region makes them less immunogenic...proteins formed by two Fab fragments bound by short peptide linkers. They are bispecific, with a lot of flexibility...

... be identified using antibodies and immunohistochemistry techniques. Thus, these proteins provide a versatile...to the plasma membrane.   Our studies provided evidence that some fluorescent proteins can be, in ...facilitate its detection. Fluorescent proteins are most widely used tags because they emit endogenous fluorescence...versatile method to identify the expression of transgenes of interest. Furthermore, fluorophore variants...red fluorescent proteins) allow simultaneous identification of more than one protein of interest. However...were still cytoplasmic. Use of ‘small’ tags to identify proteins Given the limited expression of hM4Di‐mCherry...proteins when the fluorescence is not essential to identify the expression of the opsin or chemogenetic receptor...

... BioID platform for identifying protein-protein interactions, but RaPID identifies RNA-protein interactions...ligase BirA* from BioID and allows a researcher to identify proteins that bind an RNA motif of interest in... like cross-linking immunoprecipitation (CLIP) identify RNA-protein interactions by cross-linking RNAs...using proteins as bait has limited utility for identifying novel RNA-binding proteins that interact with...RNA of interest. Current labeling methods are not ideal for in vivo work. BirA* requires 16-18 hours to ...Repository for Affinity Purification (CRAPome), to identify highly biotinylated background proteins reported... not well characterized RNA motifs. This bait identified a new interaction: binding of the RC2H1 protein...

...experimental design considerations used in all behavioral studies. General considerations for behavioral ...should be avoided as this will also increase stress levels and affect behavior. A fact to consider: Rodents...behavioral testing As a general consideration for behavioral testing in a laboratory, a high level of experimental...fluorescent light bulbs, for example) that are outside the humans’ audible spectrum. The experimental ...gene expression in a specific brain area, avoiding side effects from such modification in other areas. An... particles are smaller and may be preferable if wider diffusion is required. On the other hand, lentiviral...targeted to a specific area. Some other technical considerations for stereotaxic injections are: Vector titer...

...go-to providers of materials needed for optogenetics. There are several important considerations with ...optogentics to answer a research question. The flip side of the optogenetics coin is materials science-based...dental cement (a similar procedure as implanting a guide cannula). A fiber optic patch cable is then connected...materials required for each [1, 2]. This protocol [3] provides, in exquisite detail, the various steps required...able to penetrate brain tissue a short distance so ideal implant placement should be about 0.4-0.5mm above...stimulation. The scatter effect is also an important consideration when preparing the implant itself, which brings...least 85% of the initial laser output. The same considerations apply to the polishing and preparation of the...