We narrowed to 1,060 results for: FER

...these vectors is controlled by a different promoter resulting in different levels of expression from each...functional, stable proteins. Protein expression refers to the second step of this process: the synthesis...well-defined media and can be easily adapted to fermentation allowing for large-scale, stable production ...labelled or modified amino acids that are useful in different downstream applications. Cell-free expression ...

... splitting transfected cells into 3 plates at different densities for selection). A 2% agarose solution...transfection into plates containing selection agent at different densities, then dispose of the plates that do ...freeze at least 2 ampules each of 4 clones with different levels of expression of our gene of interest. ...to rapidly isolate individual cell clones with different expression characteristics from a population of...cell clones picked using the agarose method do not differ grossly from those isolated using cloning rings...

...comes to fruit flies Drosophila start life as fertilized eggs that develop into embryos and then become...about one week from the initial deposition of the fertilized egg by its mother. Inside the pupal case, the... the heat. Isolating male and female flies Differentiating male and female flies is essential for setting...thorax to look like stubble (sb). For a better reference of various fly phenotypes, check out the Classical...latest information about gene function, while others offer fly stocks and other reagents. If you’re ever confused...

... Let it incubate Check the bacterial strain Differences between E. coli host strains can impact plasmid...might want to include an extra wash step or use a different strain. For most applications, Addgene uses and...inadequate plasmid DNA yields. Why would volume make a difference? In the simplest of terms, more volume = more...conditions play a critical role in plasmid DNA yield. Different plasmids and strains will vary in their optimal...media with supplements such as magnesium salts, buffering agents, and/or supplying additional carbon sources...

... alter the ability of one FP to nonradiatively transfer energy to the second FP, often decreasing the ...most cases, by using monomeric FPs or FPs from different families, which cannot form heterodimers (i.e....University, did his postdoctoral fellowship with Jennifer Lippincott-Schwartz at the National Institutes...avid long distance runner, gardner, and cook.   References 1. Snapp, E.L., et al., Formation of stacked ...Protein Resources Find Other Plasmids that Glow (Luciferase Plasmids) Find Optogenetics Resources ...

... ever found yourself bamboozled by all of the different kinds of information on our plasmid pages? Well...depositing lab, although you may have an entirely different use in mind! This section of our plasmid pages... you to use in your Materials and Methods and References sections when citing the use of your colleague...backbones.  The backbone modifications listed can refer to changes made to the original backbone by the ...e.g. if it was derived from a plasmid made in a different lab - or one obtained from Addgene!).  It also...

...600 bp) and may take up precious space in viral transfer vectors with limited packaging capacity. Additionally...placement of the reporter gene). Addgene's collection offers a variety of plasmids to express two or more genes...Retroviral pEF1a-IRES-Neo IRES Mammalian MSCV-IRES-Luciferase IRES Retroviral pWPI IRES Lentiviral AmCyan-P2A-mCherry... new eBook! Our goal was to create a one-stop reference guide for plasmids. We've combined our Plasmids...solutions necessary for advancing the field. References: 1. Internal initiation of translation of eukaryotic...

...CRISPR gene activation system, but settled on a different optimal fusion protein combination. The optimized...AcrIIA4, this unfolding conformational shift can interfere with activity. The resulting system was coined...Alexander Deiters’ lab, on the other hand, took a different approach. These researchers used a genetically...expression - demonstrating light-induced silencing of transferrin receptor CD71 in HeLa cells.   Comparison of...applications you use these for in the future! References Bubeck F, Hoffmann MD, Harteveld Z, Aschenbrenner...photoactivatable transcription systems to induce neuronal differentiation. Nat Methods 14:963–966 . https://doi.org/10.1038...

...written by Addgenie Brian O'Neill.  References and resources References Bauzon, M., Castro, D., Karr, M.,...vectorization strategies include creating an AdV transfer plasmid with the E1 and E3 (Early 1 and Early ...Although the late genes are usually present in the transfer plasmid for the majority of adenoviral vector ...B. (2014). Adenoviruses: General Features. In Reference Module in Biomedical Sciences. Elsevier. https...

... in and out of the classroom.   References and Resources References Bangera, G., Brownell, S. 2014. Course-based...the University of San Diego), decided to take a different approach. His own most impactful learning experiences...all shaped his teaching style, with the former offering excellent training in improvisation and the latter... available technical and pedagogical resources, offers mentoring for instructors, and provides opportunities...

...twitter @Vopinator.     References: Halpin-Healy TS, Klompe SE, Sternberg SH, Fernández IS (2020) Structural...Insertion of the mini-transposon can occur in two different orientations, but is strongly biased towards T-RL...combined in single-plasmid INTEGRATE (pSPIN), which offer simple transformations for smaller cargos, and the...integration efficiencies achieved with VchINT, at two different incubation temperatures. Data adapted from Vo ...

...the same figure by figure organization with a different person responsible for each figure. Others still...questions they have.  These variations are suited for different applications and should be carefully chosen for... and audio recordings of the meeting using teleconferencing software. Any file sharing service should ...or instant messaging but we as scientists often prefer data. At Addgene we rely on polls and surveys. ...acquisition of the essential data and allow everyone to offer thoughts you may not have even considered. These...

...This intrinsic bacterial recombination pathway, referred to as recA-independent recombination, joins together...single PCR, for example for subcloning genes from different templates. All PCRs are run as an 18 cycle, 25...pre-made aliquots of PCR master-mix, containing buffer, polymerase and dNTPs, can be stored frozen: just... on Twitter @jakefwatson and @JGarciaNafria.  References 1. Jones, Douglas H., and Bruce H. Howard. "A...for plasmid cloning Find our molecular biology reference here Find molecular biology protocols here   ...

...denotes intersection and the – operator denotes set difference. That’s the intuition for how genome math helps...enhancers from step 2. See which ESCs die or differentiate Step 3 reveals which NANOG-related genes are...distinct enhancer disrupted. As our ESCs die and differentiate over time, we periodically use next-generation...Therefore if a gRNA drops or disappears over time, we infer that the enhancer it targets is a “pillar of function...by starting with all of the DHS sites from 125 different human cell types from the ENCODE Project. DHS ...

...viral infection), producing firefly luciferase. Firefly luciferase can readily be measured to quantify...single (non-viral) reporter gene (e.g. firefly luciferase or eGFP) flanked by the EBOV-specific gene start...to transcribe the reporter gene (e.g. firefly luciferase). The polymerase recognizes the gene start signal...transcription of negative strand RNA viruses.   References 1. Buchholz, Ursula J., Stefan Finke, and Karl-Klaus...

...human pluripotent stem cells By Jennifer Tsang CRISPR gene interference (CRISPRi) and gene activation (...For labeling the plasma membrane, they tested different target sequences for improved selectivity and ...into the supernatant. Four plasmids containing different nanobodies (NB) were generated in pMAK:  pMAK461....1038/s41598-020-57500-1 The CRISPR corner By Jennifer Tsang Here are a few highlights from recent CRISPR...

...moving around to explore the environment has a different motivation (and brain areas associated) compared...addiction. Anxiety tests Rodents have a natural preference to stay in dark areas (protected) as opposed ...to brightly illuminated ones (risky). They also prefer to explore novel environments by initially moving...anxiety. On the other hand, the control group preferred staying in the dark compartment (Howerton at al...these in a  future blog post, so stay tuned!  References Alpár, Alán, et al. "Hypothalamic CNTF volume...

...limitations associated with SpCas9. Cas13a (previously referred to as C2c2), has several unique properties that...for target recognition and cleavage). C2c2 (now referred to as Cas13a) is unique in terms of structure ...remainder of this blog post. Perhaps the biggest difference between Cas13a and Cas9 is that Cas13a binds ...SHERLOCK (depicted in figure 1) has been used to differentiate strains of Zika virus, genotype human DNA, identify...Gearing contributed to the update of this post. References 1. Abudayyeh, Omar O., et al. "C2c2 is a single-component...

... to determine the pros and cons of using many different types of gRNA design software. When you are happy...inserted or deleted. Each lab will use a slightly different method to genotype their pups. Taking a toe, a...weeks old and use the ear tag method (creating different patterns of ear holes and using that material ...latest and greatest in scientific content.      References 1. Cho, Seung Woo, et al. "Analysis of off-target...plasmid into zygotes." Development, growth & differentiation 56.1 (2014): 122-129. PubMed PMID: 24372541...

...plasmid cloning problems.  References and Resources References Kulcsár, P. I., Tálas, A., Ligeti...sequences (or spacers) themselves have an inherent differential propensity to cleavage, and this often-overlooked...Blackjack-HypaR, as these variants are located in different ranges of the activity spectrum (Figure 2). Identify... SpCas9 is below ~5–10%, consider selecting a different target. Remember, if WT SpCas9 does not cleave...