...which refers to mEGFP. This variant was made by introducing two mutations (F64L, S65T) in the original jellyfish...fluorescent proteins can be accurately determined in vitro by measuring the fluorescence intensity of purified...Peptide-tags for site-specific protein labelling in vitro and in vivo." Molecular BioSystems 12.6 (2016): ... "Blue fluorescent amino acid for biological spectroscopy and microscopy." Proceedings of the National...Additional Resources on the Addgene Blog Read our Introduction to GFP Read our Fluorescent Proteins Blog Posts...

...least 3 months experience working in a developing tropical country. This is why I set up a placement working...very hard to speak with individuals who had very strong beliefs in traditional medicine, especially when...very new, and everything was more structured and controlled. I worked from Standard Operating Procedures ... reliant on programming skills which are not my strong point. Working in industry: virology On completing...because it is an English speaking country with a strong economy and plenty of jobs in science at world ...

...lentivirus envelope plasmid pMD2.G from Didier Trono’s lab! Lentivirus envelope vector pMD2.G This plasmid...expresses the VSV-G envelope protein under the control of the powerful mammalian CMV promoter. Envelope...protocols and information, be sure to check out the Trono Lab website. If you have plasmids you’d like to ... Guide to All Things Lentivirus 5 Tips for Troubleshooting Viral Transductions Getting the Most from Your...

...offer serotypes AAV1, AAV2, AVV5, AAV8, or AAV Retrograde (AAVrg), and volumes of 1 mL, 2.5 mL, or 5 mL...necessary MTA, then start production and quality control.  Our packaged on request AAV service uses the ...the same trusted production and quality control processes as our in-stock service: ddPCR, purity testing...blog post on viral vector production and quality control, our AAV Packaged on Request webpage, or our announcement...

... AAV9 Controls Jensen New serotype pAAV-CAG-2xNLS-tdTomato-WPRE-hGHpolyA AAV9, PHP.eB Controls Feng ...from the Gradinaru lab. This is useful for both in vitro and in vivo work with many cell types, as CAG is...serotypes pAAV-hSyn-GRAB_OTmut AAV9 Biosensors (Control) Li New viral service pAAV-hSyn-GRAB_ACh3.0 AAV9...

...FITS In vitro CRISPR screens in immune cells have identified many putative regulators of immunity. However...However, in vitro screens cannot faithfully model the complex spatial, cellular, metabolic, and cytokine...modified cells; and (5) is compatible with the introduction of unique molecular identifiers, which can improve...includes pLX_305_Ovalbumin, a plasmid that enables introduction of the model antigen, Ovalbumin, into cell lines...

...m an introvert!” is not an excuse. Every psych test I’ve ever taken has declared me an introvert, and ...Scientist who coordinates all kit creation and quality control efforts with depositors; Gizela, the lab member...deposits into the repository, performing quality control, and providing technical customer service. Team...easier. Trust Ultimately, your team could have a strong sense of purpose, an excellent leader, and perfectly...

...Transfection grade DNA Figure 1: Transformation introduces transformation grade plasmids into a bacterial...bacterial transformation of chemically and electrocompetent cells is minimal (picogram range). It can ...2.2, and provide an indication of purity versus chaotropic agents as guanidine thiocyanate and guanidine...Transfection grade DNA Figure 3: Need to introduce plasmids into mammalian cells? Use transfection...

... other projects, using stem cells to develop in vitro models for lung disease. Darrell strives to promote...the interview with Darrell Kotton Chapter 1: Introduction to Darrell Kotton and the Boston University ...reliable projects. Chapter 9: Using stem cells as in-vitro models of disease. How Darrell is using stem cells...helping us stick to our core mission. Chapter 13: Outro - remember to step back and ask, "Why did I start...

...positive selection (ex: antibiotic selection and auxotrophy) and negative selection (ex: toxin-antitoxin ...technique from David Liu’s lab that gives more control and flexibility to CRISPR editing. Using a fusion...transcriptase and a prime editing guide RNA, it can introduce insertions, deletions, and all possible base-to-base... and Transfection by Alyssa Cecchetelli The introduction of nucleic acids into bacteria or eukaryotic...

...any nascent technology, researchers are having trouble getting NgAgo genome editing up and running in ...get a better idea of how many people are having trouble, to determine if there have been any early successes... users likely need more time to optimize and troubleshoot the system. Site Directed Mutagenesis by PCR... with Enhancers and Epigenomics 5 Tips for Troubleshooting Viral Transductions Single Base Editing with...

...can easily spot the colors and text. Tip 2: Use electronic to-do lists to access your tasks on the go Never...could easily lend one to another labmate? Though electronic lab notebooks (ELNs) have gained traction with...to borrow most frequently. Copy these into an electronic file sharing tool, such as Google Drive or Dropbox...documents from anywhere, but also allow you to control who can edit the documents and track the revision...

...it is non-invasive and offers a high degree of control over time and space. Zebrafish have become a popular...are not native to vertebrates and are commonly introduced in zebrafish through the UAS/Gal4 system for ...had previously been a mystery, but through the control offered by the optogenetics toolbox and the versatility..., Filippo Del Bene, and Herwig Baier. "Optical control of zebrafish behavior with halorhodopsin." Proceedings...

...          Special Thanks Trophies and engraving services from Hit Trophy Additional Resources on the...positively affect scientific research. As Maria Castro of University of Michigan says, “Addgene has transformed...distributed more than 100 times. We hope these desktop trophies will serve as badges of honor for our powerhouse...

... organs located deep in the body, like the gastrointestinal tract. Require Administration of Substrate...pharmacokinetics and biodistribution therefore introduce additional confounding factors when attempting...reporter genes for in vivo imaging Following in vitro characterization, Bourdeau et al performed a proof-of-concept...coli aided in ultrasound imaging of the mouse gastrointestinal tract. The E. coli strain Nissle 197 (ECN)...

...range from researching an area, to writing an introduction that gives a basic overview of kinematics in... to students, like how to pour a gel [for] electrophoresis or doing a dissection video. I did that in ...traveling with the sales team to meet faculty and introducing the kits to clients who might initially be doubtful...themselves. “You open up the box and there’s a gel electrophoresis tray in there. Or the dissection specimens....

... eSpCas9 and SpCas9-HF1. By mining the treasure trove of naturally occurring Cas9 diversity via the Integral... Table 1. Comparing SpCas9 and GeoCas9. *For in vitro Cas9 RNP activity or longevity. GeoCas9 is active...Besides being able to take some heat, GeoCas9 can introduce genomic edits in mammalian cells. Harrington et...GeoCas9’s thermostability could also be used with in vitro molecular bio applications that require high temperature...

...serotype-specific differences in tissue and/or cell type tropism. Introducing changes and/or short peptides sequences ...variable loops is one method for changing a capsid’s tropism.  cap also encodes the Assembly-Activating Protein...References: Naso MF, Tomkowicz B, Perry WL III, Strohl WR (2017) Adeno-Associated Virus (AAV) as a Vector...

...Cas9 (dCas9) or a Cas9 nickase (nCas9) to avoid introducing double-strand breaks. The only things base editors..., the team noticed that this editor sometimes introduced C → G edits at certain positions within the editing...during cytosine-to-uracil editing, and instead introduced its opposite, a uracil DNA N-glycosylase (UNG...end joining (NHEJ). To mitigate this, the team introduced the enzyme HMCES, either as a fusion construct...ever. References and Resources Glossary We introduced a lot of terminology in this post! Here’s a quick...

... promoters are upstream or 5’ of the gene they control. Promoters can be organism or tissue type-specific...different levels of expression. For example, CAG is a strong promoter that drives very high, ubiquitous expression...recombinase, are used to spatially and temporally control transgene expression. Lox sites are directional...availability of Cre, lox sites lets researchers control the spatial and temporal activation of a transgene...