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...sequencing. Sequencing the 16S rRNA reveals the identity of the organisms present while sequencing of all...gives clues into what the microbes are doing. But aside from sequencing, scientists can also study the microbiome...limited and many microbes are difficult to culture outside of their natural environment. Thus, the Harris ...tested this system in vitro and in vivo. They identified cells from 19 genera across four phyla that have...conjugation in vivo studies. However, they only identified seven genera in in vitro experiments, possibly...Clostridium difficile. As mRNA expression cannot be identified with DNA-based qPCR methods, the ability to detect...Monitoring microbial population dynamics in the gut can provide insight into how the microbiome responds to infection...

...in cells? This question is largely unanswered. Ideally, fluorescent proteins should act as inert modules...understand how well fluorescent proteins approach this ideal situation, cellular assays have been proposed. Early...homodimerization tendency. This assay employs a peptide derived from cytochrome p450, CytERM, to direct... looking cells can be counted. This assay will provide information on the dimerization tendency in living... interest will be problem-free. In figure 1 we provide an example of the OSER assay with a number of fluorescent...mScarlet-I shows correct ER labeling, which is good evidence that mScarlet-I acts as a monomer in the cell ...preprint, or documenting it in some other way. Besides the data, new plasmids and/or cells or organisms...

...LC3 doesn’t provide information about the contents of the autophagosome nor does it provide information...an autophagy inhibitor. While this method does provide a quantitative measure of autophagy, it only measures...studying autophagy. This method relies on the identification of autophagic structures based on morphology...morphology. Autophagosomes are relatively easy to identify: double-membraned structures containing undigested...with the vacuole or a lysosome are trickier to identify because their contents can be at various stages...Protein Plasmids and Resources Fluorescent Protein Guide: Biosensors Keima, another fluorescent pH-biosensor...

... manuscript whose whole purpose is to provide detailed evidence of knowledge new to mankind. And you probably...logical to a layperson. When you’re communicating ideas that you think are clearly connected, step back ...overwhelming your audience - like the professor who once decided that to teach high school students PCR, they first...links to pay attention to. If you’re watching a video, you now have moving images, noises and music, spoken...olds is unlikely to be able to follow a YouTube video on PCR, while a senior lab scientist is likely to...distraction, such as pausing or turning off the slide deck (or reminding them to put their phones away...

...is planning or might need to plan for a career outside academia (that would be pretty much all scientists...usually visible to you (unless they’ve chosen to hide it). While most people use LinkedIn messaging, not... should be asking yourself if it’s really a good idea.  Pro tip: Don’t hit the connect button unless you...your network. If someone has connected with me, I consider them fair game for connecting to others.  Pro ...can type a full note with good format without accidentally sending before you’ve had a chance to proof ...including and especially the hiring manager. This is considered intrusive and it’s still connecting with a stranger... people’s news and updates. Share your own good ideas, events and favorite resources. Respect the network...

...train our young scientists for futures both inside and outside of academic research (4). There are currently...all bad, however - there are some signs that the tides may be turning. In 2013, the NIH announced its first...finding solutions to some of the problems that were identified last year.  In particular, at the symposium we...few or too many at different levels? What does an ideal and productive workforce look like for the sector... Law School. She recently launched a survey “Identifying Career Pathways for PhDs in Science”, through...create tools to better understand human disease.  Outside the lab, he is interested in communicating science...

...part of her larger tutorial series, A Beginner’s Guide to Writing Scientific Manuscripts. Any scientific... first time. The first time through, just get an idea of the techniques used in the research, but wait...with the literature in your field of interest. Set aside some time each day or week to at least scan the ...Google Scholar alerts. Based on keywords that you provide, Google Scholar will send you daily updates with...library as well as some integration with internet-wide literature searching. Update 5/6/2015:Here's another...below. Additionally, read more of the Beginner’s Guide to Writing Scientific Manuscripts series on Johnna's...@JLRoose.   Additional Resources: A Beginner’s Guide to Writing Scientific Manuscripts by Johnna Roose...

...overwhelmed. Jumbled thoughts such as “I have no idea how to write a grant!”, “I don’t have time for this... setbacks, and potential alternative routes, Provides opportunities to convince others why a project...the RFA due date in order for the administrative side of the grant to be established. Take time to read...sections in a NIH RFA, for example, and tips to consider while writing each section. Research challenge...matter. The more detail (within the page limits) provided in this section will convince the reviewers that... the application. Make sure to invest time and consider the reviewer's comments. Whether the proposal ...comments help gauge room for improvement, deliver outsider opinions, and reveal items to include for the ...

...missed with conventional FP imaging. PA-FPs are divided into 2 main categories - those with irreversible...requires a temperature below 30°C and this is not ideal for experiments in mammalian cells. Dendra2 is another...light both activates and inactivates Dronpa is not ideal, since this means Dronpa is quickly inactivated ...your experiment, there are several parameters to consider, such as brightness, photostability, pH stability...protein aggregation. Another important parameter to consider is the contrast ratio- a comparison of PA-FP brightness...intensity used to activate the PA-FP should also be considered. If the light intensity needed for activation...to preserve cellular structures (0.5-1% osmium tetroxide). These conditions destroy most PA-FPs, but, in...

...strong immunogenicity of AdVs is what makes them ideal candidates for applications in oncolysis and vaccination...co-infection with a helper adenovirus is required to provide the viral proteins in trans. The Gutless AdV have...plasmid construct, please see Addgene’s Adenoviral Guide webpage, and references 1, 2.*Pro-Tip*: once the...the correct recombinant pAdV plasmid is identified, re-transform into a bacterial strain not prone to recombination...standard method for purification of rAdV uses cesium chloride (CsCl) density gradients combined with ultracentrifugation...PubMed PMID: 17546019. 2. He TC. et al. A practical guide for using the AdEasy System. 3. Jager, Lorenz, et...Addgene.org Find Adenovirus Plasmids Adenovirus Guide Page  ...

... spot when an application is rushed (whether the idea isn’t properly researched / developed or the application...sometimes be tricky, as most of our research builds on ideas and findings from our own or other groups, but your... with specialists in different fields that can provide different insight into an area - not just working...engineering new applications to solve problems will provide originality to your work and possibly a new perspective... your network and your collaborators It’s a good idea to move around to different labs during your career...make it clear what the outcome of the work was. Ideally this would be results published in a paper, but...their grant submission panel. Some funding bodies provide opportunities to attend an overview of what they...

...and Alexander A. Green. Zika background First identified in 1947 in Uganda, the Zika virus had received... Aedes mosquitoes (aegypti and albopictus) and, aided by international travel, the Zika virus is expected... until vaccine programs can be put in place to provide community protection. Toehold switches for pathogen... enabled gene circuit-based sensors to be used outside of the laboratory. The detection threshold for ...draw on as our assays grew more stringent, and it avoided any days of lost productivity waiting for follow-up...of the pathogen’s genome as unique barcodes to identify samples containing the virus. Of the 48 sensors...genotyping, as well as our electronic reader that provides portable quantification of diagnostic results....

...Bimolecular Fluorescence Complementation (BiFC). It can provide a qualitative or quantitative readout of the interaction...GFP(11)). Some of the articles linked below only provide one fragment of the FP because they are used with...pairs with N173 derived from Cerulean or Venus Identification of new fluorescent protein fragments for bimolecular... Yellow Venus pBiFC-VN173, pBiFC-VC155 Identification of new fluorescent protein fragments for bimolecular... toolkit from Benjamin Field’s lab. Special Considerations There are a few special exceptions to the usual...reversible complementation. TagBiFC (split HaloTag) provides maximum flexibility in color labeling with exogenous...constructs or certain cell environments). Also consider that a protein fusion may disrupt functionality...

...treatment or prophylaxis of COVID-19. Researchers identified nanobodies that bind to coronavirus spike proteins... randomized with a defined set of different trinucleotides (corresponding to different amino acids) in...bind to the antigen. The Seeger lab can directly provide the three sybody libraries in the form of mRNA ...tags are used in a final enrichment step for identifying sybodies that bind strongly and specifically ...their protocol because it is less susceptible to identifying unspecific and low-affinity sybodies (Zimmermann...-30) of sybody candidates are sequenced for identification. All unique sybodies can be subcloned into ...demonstrated they could use the protocol to rapidly identify and isolate sybodies targeting the SARS-CoV-2 ...

...Is the conference you are attending on the larger side? At large conferences, chances are that several ...have additional questions. If you or your lab identifies a potential collaborator from the meeting, reach...If your poster material is nearing publication, consider uploading your work to a preprint server (and ...Perhaps some of your poster visitors had a great idea or interesting questions worth discussing with your...Reach out if you’d like to meet someone and set aside a time to meet. Some conferences may also have a... of the things we've mentioned above could be considered networking, but here are some more general tips...resume and prepare business cards. You might not consider being a student or postdoc a “business,” but having...

...goal was to enter industry since I was drawn to the idea of working as a team to develop therapies that could... of academics tend to view industry as “the dark side,” that you’ve sold out. You’ve given up your intellectual...ve discovered.) As someone who has now seen both sides of the postdoc experience, I’m going to share what...an industry postdoc is something that you’re considering. Like anything, there are pros and cons to postdocs...will hire a group of postdocs and then let them decide what they’d like to work on later. For instance...suit your needs better than others. Whether you decide to do an industry or an academic postdoc, you’ll... open positions at Addgene Check out our career videos ...

...-Cy7 and PE-Cy7; or BV421 and BV51. It is a good idea to look up new fluorescent markers before deciding...them, using a tool like BioLegend’s Fluorophore Guide Chart.  Pro tip! Some antibodies go by different...setup. For instance, BV510 and AmCyan have almost identical emission spectra but may be called BV510 on one...which way your population needs to be shifted, consider your perpendicular lines. In this case, the population...APC-Cy7 are both bleeding into each other, as is evident by the two diagonal populations in the plot. A ...applying very large compensation values (100+), consider what two markers your fluorescent markers are ...fluorescent markers can be challenging! But we hope this guide can help you get started. Remember, you can always...

...such a system is likely to introduce additional nucleotides flanking the insertion. If the DNA ends anneal...MMEJ may also introduce, substitute, or delete nucleotides in addition to the expected deletion, but the...breaks are necessary for knock-in: one on either side of the GFP-Puro cassette and one in between the ... last coding exon of your gene of interest. For ideal use, this gRNA should be cloned into a vector containing...cuts in a staggered pattern, it is thought to be ideal for HDR-independent knock-ins, but this possibility...Engineering Tools like Sleeping Beauty Mutase Find the Ideal CRISPR Software for Your Experiment Additional ...Addgene.org Learn All about CRISPR on Our CRISPR Guide Pages Find CRISPR Plasmids for Your Experiments ...

...you reach for that silica spin column, stop to consider some ways to purify DNA without a kit. DNA purification... kits have advantages: they are convenient and provide uniform, consistent results. But they are also ...method described in Kim and Morrison is nearly identical to that of commercially available kits but instead...concentration of a chaotropic salt (guanidine hydrochloride for the plasmid purification protocol and guanidine... Image: Kim and Morrison, 2009. This method provides DNA yield and quality similar to that obtained.... Homemade buffers performed the same as those provided with the kit. Although not tested by the authors... Molecular Biology Reference Visit our protocol video library References Kim, Y., & Morrison, S.L. (2009...

...Working with AAV vectors in neuroscience Let’s consider my first challenge when I started working with...). However, this one set of experiments didn’t provide any information on other important factors such... science initiatives, like Addgene’s Data Hub, provide an avenue to more easily solve these frustrating...every researcher experiences and that it often provides incredibly valuable insight into one’s work. As...different methods and vectors, and use this data to guide them in their own experiments. By providing DOIs...highlights the dearth of AAV vector information provided in openly accessible forms like publications. ...Sommer, J. M., Pierce, G. F., & Qu, G. (2005). Identification of factors that contribute to recombinant AAV2...