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...funding from a variety of government and academic institutions. New graduate students may assume that their...given problem, Empowers the writer, And offers insight into a career as a Professor. Step 1: Your ... to read and fully understand the RFA. The RFA contains all of the important information required for ...the mission of the application and the funding institution. Moreover, avoidance of ‘to be’ verbs creates...time to review the literature and offer educated insight into what the desirable features of future technologies... with the description of the RFA and funding institution. Emphasizing how your solution fits into the ...funded proposal typically lists the deliverables, explains 1-2 potential pitfalls of the intended protocol...

...abilities, we’re gaining new ground in the fight against cancer in its many forms. The dichotomous interactions...major histocompatibility complex (MHC) class I proteins on their surfaces to avoid recognition by CD8+...formation and metastasis, block the cell-surface proteins that help escape immuno-surveillance, and curb...Antibodies that block cell-surface tolerance-producing proteins are one of the most commonly used immunotherapeutic...sequence of immune reactions that aid in the fight against cancer. Sipuleucel-T by the Dendreon Corporation...genome engineering have played a huge role. For instance, researchers are genetically altering tumor cells...cells and immune cells to knockout proteins involved in immune tolerance. Recently, China spearheaded ...

...ensuring that the plasmid they ordered contains the correct inserts, tags, promoters, and other critical...markers, and fusion proteins listed for each plasmid  If the plasmids pass all inspection points, they are...ensure our assembly result is accurate The gene/insert or any major feature highlighted by the deposited...called Geneious. Here, the raw reads are mapped against a reference sequence, if one was provided. If no...assembly in Geneious can still provide additional insights to resolve the assembly and determine if there...

...resistance against Fusarium wilt disease in bananas as a Marie Curie Fellow at The Sainsbury Laboratory...blogger Sarah Schmidt, a Marie Curie Fellow at The Sainsbury Laboratory. Are you a science student or early...audience’s applause with your performance. When your institute opens its doors to the public, for example at ...your own blog, you can probably write for your institute’s blog. The Wellcome Trust blog or the John Innes... careers are in advance of yours, but also get inspired and meet peers. Join societies like National Science...provides on-site courses in public engagement for institutions and the Royal Society gives training in media...

...pursue leadership opportunities at the local, institutional, regional, and national levels. These skills... But how does one gain such experience? Your institution may offer occasional workshops on leadership ...Harvard Medical School and then Boston University (institutions where I’ve worked as a postdoc). I soon realized...that many of the issues faced by postdocs and institutions are not local but are national issues. I applied...requirements of the new Board Members. In some instances I felt like I was going back to previous formats...every year it organized a “Committee Leadership Institute” (CLI) where each Committee Chair and Vice Chairs...the Burroughs Wellcome Trust. These “leadership institute’ weekends would entail intense training to develop...

...doing this with very little money. So when did inspiration strike us so hard that we upended our lives and...in fact, our color changing flower project was inspired by a Facebook comment.  In our day job, we worked...detector plants, we expected to see that same anger. Instead, social media comments were more often along the...that.” That was interesting. If people could be against GMOs as food but support GMOs that result in a ...business training. The money is a drop in the bucket against the funds needed to build a flower that changes...business enterprises, he can be found climbing mountains or playing with his two cats. Keira Havens grew...Biophysics and Biochemistry from the Illinois Institute of Technology in 2004, she accepted a commission...

...stem from the heart beating at an irregular or insufficient level. The heartbeat – a muscle contraction ...structurally into 2 main groups: voltage sensitive domains and Rhodopsin containing GEVIs. Chemigenetic sensors...that of the VSD GEVIs. However, since rhodopsin proteins were initially evolved for ion transport, not ...membrane due to the addition of several targeting domains. The quencher and voltage detector in this system...viruses also have various serotypes – the surface proteins that confer affinity for a target – and this serotype...pseudotyping is also a powerful tool that swaps capsid proteins from different viruses to optimize them for targeting... Viral Vectors 101: Optogenetics Fluorescent Proteins 101: Introduction to FRET ...

...something done not by people wearing a lab coat, but instead by people wearing business suits discussing multimillion...that means you don’t. In this mindset, one of us wins, the other loses. Although this approach to negotiation...winner and a loser when negotiating, what if we instead approached it as a creative problem-solving exercise...point you toward a creative solution where everyone wins. What are the underlying reasons for this person...some data for an upcoming conference deadline. Instead of arguing over who gets the spot (a zero sum result...Coming up with creative solutions where everyone wins can initially feel more difficult because of the...can I offer them to make it a win-win situation instead of just extra work for them? As a business development...

... sequences, such as mismatches, deletions, or insertions. We use blastp or blastx to compare our sequencing...database “Nucleotide collection (nr/nt)” as it contains a composite of GenBank, EMBL, DDBJ, and PDB sequences...result – blastx checks all six possible frames against the database. Another benefit is that a frameshift...Non-redundant protein sequences (nr)” database as it contains the largest number of protein sequences. Just ...customization. Similar to nucleotide sequences, proteins often have repeated or highly homologous regions... and free up more time for using your plasmids instead! All BLAST images are modified screen shots from...101: How to Verify Your Plasmid Plasmids 101: An Inside Look at NGS Plasmid Quality Control Learn about...

... things like genomic DNA, RNA, proteins, salts, ethanol, or endotoxins. The most common method for checking...to be free of contaminants, such as bacterial endotoxins, that could affect your culture’s viability. ...plasmids – If you’re extracting plasmids from yeast, instead of bacteria, a few manufacturers (such as Zymo ...struggling with a purification, reading the full instruction manual will help explain the rationale behind... helpful to select a kit with easy-to-follow instructions and extensive references for troubleshooting... compare kits at a quick glance, Table 3 below contains details regarding kits from a variety of manufacturers...is a large consideration for most labs. Many institutions have preferred vendors which may reduce costs...

...NanoDrop. The principles will apply to similar instruments from other companies, like the Implen NP80 or...Figure 1A). Thanks to the Beer–Lambert law, the instrument can calculate a sample’s nucleic acid concentration...downstream experiments. The usual suspects, such as proteins, phenol, or guanidine salts, exhibit their own... trying to remove from your sample is protein. Proteins absorb light to varying degrees across the UV ...Cantor, 2019). The 280 nm peak is more specific to proteins and why researchers traditionally use the A260...will yield “good” A260/280 and A260/230 ratios. Instead, phenol is more likely to shift the peak of your...! Be sure to review resources on the specific instrument you use and check out some of the references ...

... contestants!           View this post on Instagram                     A post shared by Xi Chen...December 12, 2022          View this post on Instagram                     A post shared by 草方 (@gracie_fang...take photos, and then share them on Twitter or Instagram with #DeckTheLab and tagging us, @addgene to be...get you out of.           View this post on Instagram                     A post shared by Xi Chen...picture or video for either contest on Twitter or Instagram by December 31, 2022.  Follow @Addgene, use the...and reveal the winning entries on Twitter and Instagram! Happy decorating, all, and to all a good light...

...reprogramming efficiency through the expression of a shRNA against p53, a modified reprogramming factor cocktail, ...are preferred. This is to avoid the chances of insertional mutagenesis, which is the integration of transgenes...disruption of functional genes at the site of insertion and which can potentially promote tumorigenesis... been recorded in past gene therapy trials and remains a safety concern in the clinical field [4]. Three...Antigen-1 (oriP-EBNA-1) system where each vector contains a viral origin of DNA replication, OriP and the... pCXLE-hOCT3/4-shp53-F 27077 OCT3/4 and shRNA against p53 pCXWB-EBNA1 37624 transient EBNA-1   ...Road Ahead." Journal of Alzheimer's disease & Parkinsonism 6.5 (2016). PubMed PMID: 27882265. PubMed Central...

... apply for the position. This post on Business Insider nicely summarizes good job fair practice. Career...get online and take a look at the company or institution’s career page, where you’re likely to find current...conference or job fair, or it may be someone at your institution’s career center. Alternatively, it might even ...other graduate students and post-docs from your institution have gone, and try sending them a professional... professional development, not count on your institution, program, or adviser to do it for you. Expose...if one exists. Get online! Review company and institution career pages. Make yourself visible on LinkedIn... Reading and Outside Resources http://www.businessinsider.com/how-to-get-the-most-out-of-job-fairs-2014...

...frequency of events, instead of relying on clustered dots. In a contour plot, each line contains the same number...machine reads/interprets the signals, the axis is instead divided into positive and negative signal at a ... a ‘gate’; it tells the machine that everything inside the gate is one population and everything outside...which measure light that “scatters” past the cell, instead of fluorescent markers. There are various types...to fluorescent markers and/or cellular dyes and stains. These will be used in a series of one- or two-...different populations using conjugated antibodies against CD11c and CD123. You can see that mDCs are CD11c...

...alkyne-phenol, to label proteins with an alkyne group for click chemistry reactions instead of biotin — a valuable...locations. C) Enrichment of dual-labeled proteins identifies proteins that had been trafficked from the “source...dual-enrichment and mass spectrometry workflow identifies proteins bearing both labels (which had therefore been ... light, catalyzing the biotinylation of nearby proteins. B) TransitID uses sequential labeling by TurboID...2023 bioRxiv (B-C). They were able to label proteins moving to and from the nucleus, ER, mitochondria...

...Singletons in their bins.  The next component of Binning Singletons is when we bring all the bins together at ...invaluable to me as a bench scientist working at an institution where training opportunities weren’t always available...their own labs.  Fried chicken with a side of inspiration  I look back at the meeting with such fondness...for DNA that group similar sequences together in bins, we thought that binning Singletons together would... and time mentors spend with Singletons in their bins. We also sought expertise from many with experience...media. Joe is a lapsed marathon runner, father of twins (AND a singleton), and is proudly "too weird to ...

...diagnosed this year). Research efforts in mesothelioma instead rely upon private donations. Many people think ...However, there is no question that asbestos exposure remains the single-most important factor in developing ...do not work very well. The best option in such instances is palliative care, which helps patients manage...detection techniques and therapies emerge into mainstream use, they will have a much greater impact on ... good detection and treatment get, there still remains the problem of prevention. Asbestos exists pretty... and the president of the organization, Linda Reinstein – whose husband passed away from mesothelioma ...with Senator Barbara Boxer to introduce the Alan Reinstein Ban Asbestos Now Act of 2016 in the U.S. Senate...

...resistant to antibacterial drugs. Resistance can be intrinsic, meaning a basic characteristic that naturally...resistant somehow overtime. One fantastic example of intrinsic resistance would be Mycoplasma species’ resistance...possess cell walls. As a result, Mycoplasma are intrinsically resistant to this class of antibiotic. Acquired...DNA left behind after another bacterium died for instance). These three mechanisms of acquired drug resistance...be unharmed by the compound it produces (think intrinsic resistance), but surrounding microbes would be... time is needed for the drug to work… if the instructions for treatment aren’t followed closely, you could...in the Lab Probe Phage Genomes for Host Binding Proteins Learn How to Use Our Microbiology Pages Additional...

...approach, which focuses on validating antibodies against markers of the human blood leukocyte populations...cases, we would recommend a knockdown approach instead. In this approach, you’re looking for an antibody...permanent knockdown, consider using shRNA vectors instead. With both siRNA and shRNA, it can be difficult...induce/suppress the expression of many related proteins, not just your protein of interest, which can ...interest, which can be difficult to find for many proteins. In practice, it was necessary for us to combine...primary blood leukocytes. The file shared also contains information about the labeling pattern of several...on human blood leukocytes, including antibodies against these markers. The 371 CD markers characterized...

...Kinases: they regulate many proteins, with ~1/3 of human proteins predicted to be phosphorylated on at...swapping of fluorescent proteins and multiplexing is simple when fluorescent proteins with limited spectral...FRET reporters are comprised of two fluorescent proteins with very specific spectral properties that limit... and the orientation of the donor and acceptor proteins, which can be difficult to predict. Slower Dephosphorylation...

...are only expressed when the targeting vector is inserted downstream of a functional promoter (gene traps...2008). While the biology behind this AAV effect remains unclear, it is likely not a coincidence that the...gene. pAAV-SEPT-Acceptor, the preferred vector, contains a promoterless splice acceptor-IRES-neoR gene,... CRISPR-based approaches for the generation of knockins via homologous recombination with a homologous...application - the creation of sequence-specific knockins - for which the AAV approach is most well suited... CRISPR-based approaches for the generation of knockins, it is not always ideal. Because of these limitations...devised methods to deliver CRISPR components as ribonucleoproteins (RNPs) that can be supplied separately from...

... directed evolution to get them to work on DNA instead. However, they retained a small amount of RNA-editing... mutation. To tackle this problem, Benjamin Kleinstiver’s lab engineered new variants of S. pyogenes Cas9...came out on top. Narrowing PAM preferences The Kleinstiver lab also worked on the opposite project: engineering...tested mutations produced efficient editors, the Kleinstiver set performed best when paired with the V106W...Silverstein, R. A., Hille, L. T., Ogul, A. N., Robinson-Garvin, N. A., Small, J. C., McCague, S., Burke...Urbina, E. O., Dahl, G. A., Correia, B. E., … Kleinstiver, B. P. (2025). Custom CRISPR-Cas9 PAM variants... R. T., Christie, K. A., Whittaker, M. N., & Kleinstiver, B. P. (2020). Unconstrained genome targeting...

...plasmid, into which the GOI is inserted, and a Ti "helper" plasmid, which contains Vir genes necessary for T-DNA...gRNA scaffold sequence and allow researchers to insert targeting oligos with minimal cloning required....Dicot Genome Editing Kit from the Stuttmann lab contains a variety of Agrobacterium-compatible, Cas9 containing... T-DNA processing and insertion into the plant genome. B) The Ti plasmid and helper are transformed into...the Vir genes on the helper plasmid and used to insert the intervening region into the plant genome. Created...- promoters used, precise protein sequences or domains, and methods of delivery - the underlying technique...

...the ability to generate full libraries of mutant proteins. Researchers from the Whitehead lab developed ... Gibson Assembly: An easy-to-use technique that joins homologous DNA fragments in a single-tube reaction...using Gibson assembly is that the longer the oligo insert used, the more likely it will contain random synthesis... enzymes leads to a buildup of uracil and the insertion of uracil into newly synthesized DNA. This labeled...synthesized DNA strand. Each degenerate primer set contains three consecutive randomized bases (NNN) at a ...that the BbvCI enzymes nick the DNA strand that contains their respective recognition site. This means ... matter? Most of the time no, but there are 2 instances where it does. 1) When the backbone vector has...

...where they bind to their targets, most commonly proteins. You can then use fluorescent microscopy to look...visualize their target. These antibodies are generated against a specific antigen and then conjugated with a fluorescent...but is not attached to a fluorescent molecule, instead a secondary antibody that targets the primary is...for each primary antibody could get out of hand. Instead, it is more efficient to generate a handful of ... multiplexing is that you can ask how multiple proteins relate to one another in the same sample. For ...see Im, et al. 2019.  Fixation Good fixation maintains sample morphology with minimal impact to the target...spectral properties match your available imaging instruments and the spectral properties do not overlap with...

...MTRIA for short), where a fluorescent protein is inserted into one of the loop regions of any G-protein-... Figure 1: MTRIA biosensors are generated by inserting a circularly-permuted GFP into an intracellular...calcium reporter Near-infrared (NIR) fluorescent proteins promise better performance for in vivo use and...indicator using small monomeric NIR fluorescent proteins (miRFP670nano and miRFP720) and the Ca2+-sensing...structure-guided engineering of potassium binding proteins, they developed a family of fluorescent potassium...et al. 2022). By fusing two bright fluorescent proteins with different thermal quenching rates (mNeonGreen...Additional resources on the Addgene blog Fluorescent Proteins 101: Fluorescent Biosensors Resources on Addgene.org...

...reaction that cleaves a nearby RNA sequence that contains a fluorophore that is quenched when intact and...improves sensitivity of the assay. This reaction also contains SSB, strand displacement DNA polymerase, recombinase...fluorescence visualization. In this technique, however, instead of using lateral flow strips to detect the cleavage...Reverse-transcribed RNA samples are amplified by PCR instead of RPA. Unlike RPA, this technique uses Taq polymerase... which is widely available and less expensive. Instead of using the typical PCR machines, the authors ...depend on collateral cleavage by the enzyme and instead relies on its activity on the target regions thus...COVID-19 using CRISPR diagnostics. https://www.broadinstitute.org/files/publications/special/COVID-19%20detection...

...studies or make a reporter construct. Fluorescent proteins (FPs) are also the foundation of multiple important...biological research. Photoconvertible fluorescent proteins Newly developed photoconvertible FPs like PsMOrange...repeat the process with these new photoconvertible proteins. With Sattarzadeh et al.’s discovery that GFP ...After exciting GFP-labeled plant cells at 405 nm instead of 488 nm, Sattarzadeh et al. noticed that GFP ...encoding one of the unexpectedly photoconvertible GFP proteins to make a new transgenic line could avoid problems...as well as a wide variety of other fluorescent proteins for your imaging needs. If you need an FP refresher...

...shift, regulations change, and supply chains strain, Addgene remains a constant. Behind the scenes, we continue...Addgene-shared tools to develop new vaccine approaches against emerging viral threats, or scientists in Colombia...Together As I reflect on 2025 and step into 2026, I'm inspired by the resilience and generosity of the global...P. (2025). Revealing the role of the AGO4 gene against rice hoja blanca virus: from transformation to ... of self-amplifying and circular mRNA vaccines against SARS-CoV-2. iScience, 28(10), 113498. https://doi.org...

...and to disrupt endogenous genes at the site of insertion. In both of these cases, transposons combine the...blue) in a plasmid backbone. A separate plasmid contains the transposase gene (red) for expressing the ...sequence is duplicated near the gene of interest insertion site.   The Sleeping Beauty transposon system ...within the genome. The Sleeping Beauty transposase gains its name from the fact that it was recreated from...continues to be altered in order to improve its gene insertion efficiency in primary cells. In 2009, Zsuzsanna...or 5’ end of the gene of interest allowing for insertion in the correct orientation. These plasmids use...

...Llamas Required - Synthetic Nanobodies Against Membrane Proteins More resources from addgene.org  Plasmids...single-domain antibodies genetically fused to fluorescent proteins and used to visualize target antigens in living... transgenic mice that express camelid variable domains (aka nanomice), which gives researchers the “best...made to generate the nanomouse. (VHH = variable domains of heavy chain only antibodies) (B) Nanomice express...widely adopted. So thank you to the camelids who inspired this versatile family of tools, the applications...

...Carolina (plasmids at Addgene). It consists of two domains, LOV2 and Zdk1, where Zdk1 binds LOV2 with high...normally sits on microtubules to attract other proteins involved in their growth and extension. Now, they...domain. Each half was fused with one of the LOVTRAP domains. When both halves of the modified EB1 protein are...inactivated by the separation of its synergistic domains. This paper demonstrated that the migration of ...fluorophore binding aptamers and MS2-binding fluorescent proteins were the state of the art in RNA imaging in vivo...on the lookout for better, brighter fluorescent proteins (FP) with improved tissue penetrance and live ...

...Argonaute proteins are also present in prokaryotes, and some of these proteins protect against invading...reasons why you might choose NgAgo over CRISPR proteins Cas9 or Cpf1 - keep reading to learn more! Background...: Argonaute and NgAgo In eukaryotes, Argonaute proteins play an important role in RNA interference, binding...when the protein is being synthesized, so NgAgo remains faithful to its guide DNA and cannot switch guides...

...usage has been limited by technical problems. For instance, it’s much more difficult to introduce a gene ...strategy for transducing primary cells. What if, instead of supplying a DNA construct, they could simply... adapted from D’Astolfo et al. In certain instances, the potential benefits of nonviral transduction...with virus work. Fourth, working directly with proteins removes the limitations of packaging size associated...References Efficient Intracellular Delivery of Native Proteins. D'Astolfo DS, Pagliero RJ, Pras A, Karthaus WR...PubMed. Find the Plasmids @Addgene: iTOP-tested proteins and reporters Previous Protein Delivery Techniques...

...Tom, and Alan E. Tomkinson. "Eukaryotic DNA ligases: structural and functional insights." Annu. Rev. Biochem...many molecular biology protocols, including vector-insert joining for recombinant plasmid construction (restriction...DNA ligase, are naturally able to discriminate against ligating substrates containing base pair mismatches... can be achieved through a combination of the intrinsic selectivity of the ligase active site and careful...indicated that the optimal buffer for Taq DNA Ligase contains 100 – 200 mM KCl at pH 8.5. This optimization....6 (2004): 757-764. PubMed PMID: 15582400. 2. Tomkinson, Alan E., et al. "DNA ligases: structure, reaction...

...freeze-dried, cell-free (FD-CF) components. Making proteins outside of a cell - cell free extracts Typically...transformation), essentially giving the cell all the instructions it needs to produce that green fluorescent protein...systems contain all the parts needed to produce proteins without the need to handle a living, replicating...simply need to add water to express a variety of proteins. FD-CF reactions are also cost-effective, as each...easily sense, whether that’s bright fluorescent proteins that they can see, enzymes that can convert certain...activities fit your lesson plans. If you are an instructor at the college level, perhaps consider using ...

...accumulate inside the producer cells and purification protocols often describe a process that begins with cell... carried inside the vesicle, which may also contain other cellular molecules such as proteins or nucleic...cells also contain cellular macromolecules (e.g. proteins, nucleic acids) which possibly improve transduction... contexts, such as the delivery of therapeutic proteins to the brain which requires crossing the blood-brain-barrier...

...confirm the presence of an insert in a particular vector by excising the insert from the backbone. To do...use enzymes with restriction sites that flank the insert. You will need to know both the approximate size...vector backbone as well as the predicted size of the insert. You can search NCBI for YGOI to find the particular...right has a total size of 7.3kb, including a 1.2 kb insert. The plasmid was digested with 2 unique enzymes... and 1.2kb (red box), matching the backbone and insert, respectively. The results on the gel correspond...

...but can also be used to brainstorm on data in smaller groups, where for instance the presence of the PI...lab meetings with a focus on discussion and brainstorming Though, we might be forced to work from home...of each talk - time for free interaction and brainstorming. This could be achieved by asking each presenter...problem! You can still creatively collaborate and brainstorm! Image from Joseph Mucira.   Implement new... be written by several authors from different institutes, disciplines, and cultural backgrounds.” This...