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We narrowed to 867 results for: FER

Showing: 421 - 440 of 867 results

  1. Quick Guide to Working with Drosophila Part 1: Getting Started with Flies

    Type
    Blog Post
    Published
    July 13, 2017, 2:30 p.m.
    ...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...

  2. Plasmids 101: 5 factors to help you choose the right cloning method

    Type
    Blog Post
    Published
    Aug. 21, 2018, 12:31 p.m.
    ...create customized overhangs to assemble up to 6 different fragments in a prescribed order. These fragments...protocol is fairly flexible and adaptable to cloning different types of DNA, such as cDNA, PCR fragments, or ...process close to 100% efficient. Gateway cloning also offers a very high chance of success (>95% for a single...deposit your finished constructs at Addgene!). References 1. Li, Chaokun, et al. "FastCloning: a highly...Find vector backbones Read our molecular biology reference ...

  3. Hot Plasmids and Viral Preps - May 2021

    Type
    Blog Post
    Published
    May 18, 2021, 1:15 p.m.
    ...library to identify RBD mutations which do not interfere with ACE2 binding, but impact recognition by specific...immunoprecipitate the entire complex in three different cell lines. The Gräslund lab plans to continue...10.1101/2021.01.30.428974   The CRISPR corner By Jennifer Tsang Here are a few highlights from recent CRISPR...of indels to measure time. These plasmids with different promoters driving expression of Cas9 were used...Janelia Farm GENIE project have arrived! We now offer several versions of GCaMP8 vectors in serotypes ...

  4. Multiplexed Capture of Promoter-enhancer 3D Chromatin Structures Using CRISPR

    Type
    Blog Post
    Published
    July 2, 2020, 12:40 p.m.
    ...compare results across multiple targets because different CAPTURE cell lines will have varying levels of...lines Cell lines, primary cells Table 1: Key differences between original CAPTURE and CAPTURE 2.0 methods...that occur during development and cellular differentiation. Using a cell line model, the Xu Lab tracked...enhancer-promoter interactions during erythroid differentiation. CAPTURE 2.0 captures chromatin's dynamic role....0 re-writes the script on gene regulation. References Han, J., Zhang, Z., & Wang, K. (2018). 3C and...

  5. No Llamas Required - Synthetic Nanobodies Against Membrane Proteins

    Type
    Blog Post
    Published
    June 18, 2020, 1:15 p.m.
    ...randomized with a defined set of different trinucleotides (corresponding to different amino acids) in the regions...this, they injected the spike protein from two different coronaviruses into a llama over several days and...your target protein. The Seeger lab designed 3 different mRNA sybody libraries for use in the protocol,.... Find the Seeger lab's SARS-CoV-2 sybodies! References Geertsma ER (2013) FX Cloning: A Versatile High-Throughput...

  6. Plasmids 101: Optimizing Plasmid Yields

    Type
    Blog Post
    Published
    May 26, 2016, 2:30 p.m.
    ... 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...

  7. When is a Monomer not a Monomer? The Top Three Ways Your Favorite Fluorescent Protein Oligomerizes in Cells

    Type
    Blog Post
    Published
    April 19, 2016, 2:30 p.m.
    ... 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 ...

  8. Anatomy of a Plasmid Page at Addgene

    Type
    Blog Post
    Published
    Feb. 4, 2016, 3:30 p.m.
    ... 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...

  9. Plasmids 101: Multicistronic Vectors

    Type
    Blog Post
    Published
    Sept. 9, 2014, 8:20 p.m.
    ...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...

  10. Optogenetics + CRISPR, Using Light to Control Genome Editing

    Type
    Blog Post
    Published
    Sept. 3, 2020, 12:15 p.m.
    ...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...

  11. An Introduction to Adenovirus

    Type
    Blog Post
    Published
    Oct. 3, 2023, 1:15 p.m.
    ...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...

  12. CRISPR Between the Genes: How to Experiment with Enhancers and Epigenomics

    Type
    Blog Post
    Published
    Aug. 9, 2016, 2:30 p.m.
    ...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 ...

  13. Simplify Cloning with in vivo Assembly

    Type
    Blog Post
    Published
    Oct. 18, 2018, 12:37 p.m.
    ...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   ...

  14. Course-Based Undergraduate Research Experiences (CUREs)

    Type
    Blog Post
    Published
    Feb. 9, 2023, 2:15 p.m.
    ... 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...

  15. INTEGRATE: Bacterial Genome Engineering Using CRISPR-Transposons

    Type
    Blog Post
    Published
    Dec. 7, 2020, 2:53 p.m.
    ...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 ...

  16. A Guide to Starting Your Own Journal Club

    Type
    Blog Post
    Published
    Feb. 6, 2020, 3 p.m.
    ...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...

  17. Minigenomes - a Safe Way to Study Dangerous Viruses Like the Ebola Virus

    Type
    Blog Post
    Published
    March 17, 2016, 2:30 p.m.
    ...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...

  18. Tips for CRISPR Gene Editing in Mice

    Type
    Blog Post
    Published
    June 28, 2016, 10:59 a.m.
    ... 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...

  19. CRISPR 101: Targeting RNA with Cas13a (C2c2)

    Type
    Blog Post
    Published
    Sept. 21, 2017, 2:07 p.m.
    ...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...

  20. Deciphering the Mysteries of Behavior with Viral Vectors

    Type
    Blog Post
    Published
    Sept. 17, 2019, 12:40 p.m.
    ...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...
Showing: 421 - 440 of 867 results