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Showing: 271 - 300 of 389 results
  1. Building and Validating Recombinant Antibodies: A Case Study

    Type
    Blog Post
    ...Boeckman JX, Manning CF, Nguyen JT, Bechtold H, Dumitras C, Gong B, Nguyen K, van der List D, Murray KD, Engebrecht...about the process that was used to create this important collection.  Creating the Plasmids To begin constructing...antibody (R-mAb) expression plasmids, allowing for important reagents that could have been lost to continue...sequences available from each plasmid webpage. Importantly, the methods developed by the Trimmer Lab for...why choosing the right secondary is of primary importance. PLoS One. 2012;7(6):e38313. doi: 10.1371/journal.pone...
  2. Plasmids 101: Inducible Promoters

    Type
    Blog Post
    ... Cas9 for easy genome engineering in species like C. elegans and Drosophila. Light inducible promoters... phage promoter pR, preventing expression of a reporter gene. When light is present, YFI is inactive, ...preventing repressor cI synthesis and allowing reporter gene transcription to take place. Addgene also...promoter is right for me? Here’s a list of some important variables to consider when choosing an inducible...’re expressing a gene that may be toxic, it’s important that your inducible promoter not be too leaky....
  3. Summer SciComm Series: A PhD in Science Communication

    Type
    Blog Post
    ...    References and Resources References Drummond, C., & Fischhoff, B. (2017). Individuals with greater...how it works. I used to stay up past my bedtime, poring over my grandparents’ medical textbooks by torchlight...to all the optional sexual health sessions and reported the intel back to my shyer classmates. For my ...the community During my PhD, I’ve also found opportunities for more hands-on science communication. Between...
  4. Components of CRISPR/Cas9

    Type
    Blog Post
    ... tracrRNA and Cas9, bind to these transcripts and C) cleave them leaving mature crRNAs bound to the Cas9... combined with the tracrRNA forms the scaffold portion of a gRNA and the “spacer region” forms the target...
  5. Allen Institute for Cell Science Plasmid Collection

    Type
    Collection
    ...Grancharova T, Arakaki J, Fuqua MA, Nelson A, Hookway C, Ludmann SA, Mueller IA, Yang R, Horwitz R, Rafelski...114407 NUP153-mEGFP AICSDP-50 mEGFP Nucleoporin Nup153 Nuclear pores 114410 FUS-mEGFP AICSDP-64 mEGFP RNA-binding... from the Allen Institute for Cell Science data portal (Link opens in a new window) , including: data ...
  6. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

    Type
    Blog Post
    ... Since the bacteria are subsequently grown at 37 °C, the recombineering plasmid is not maintained. Recombination...the deletion. REPLACR-mutagenesis successfully incorporated a 60-nucleotide insertion; beyond this insertion...
  7. Visualizing Protein Turnover In Situ

    Type
    Blog Post
    ...ti2learning.org. References 1. Dieterich, Daniela C., et al. "In situ visualization and dynamics of newly...designated work areas and come with health risks. Importantly, with this method it is not possible to follow...azidohomoalanine (AHA). In the technique, AHA is incorporated into newly synthesized proteins instead of methionine...endogenous protein of interest that also had incorporated the AHA tag after pulse labeling of a determined...FUNCAT-PLA provides both quantitative and spatio-temporal information about the turnover of specific endogenous..."Puromycin inhibition of protein synthesis: incorporation of puromycin into peptide chains." Proceedings...Gabriel. "Inhibition by puromycin of amino acid incorporation into protein." Proceedings of the National Academy...
  8. All in a Twist: dsRNA

    Type
    Blog Post
    ...and References References Wang, I. X., Grunseich, C., Fox, J., et al., Human proteins that interact with... how these structures are generated, why it’s important for cells to sense their formation, and how clinicians...in turn lead to genome instability. Thus, it’s important to strike a balance between productive levels ...be delivered or anticipating this response are important considerations when using these reagents. RNA...recognized by RNase H which hydrolyzes the RNA portion, allowing the DNA strands to re-pair. The two dominating...stranded isn’t just for DNA. Untwisting RNA is important for therapeutic delivery, viruses, human disease...
  9. Hot Plasmids - March 2019 - Anti-CRISPR, 2in1 Cloning, Fluorescent Voltage Indicators, and Photoswitchable Proteins

    Type
    Blog Post
    ...Methods Mol Biol, 2018. PubMed PMID: 29043675.Grefen C and MR Blatt. Biotechniques 2012. PubMed PMID: 23066669...2017). However, Acr inhibition is spatially and temporally ubiquitous, making them a rather blunt instrument...versatility opens up the potential for spatial and temporal control in many genetic targeting and editing ...rapidly screen thousands of proteins for one that can report electrical activity via imaging. They took the ...response to light, offers a way to spatially and temporally control cellular processes in vivo. Many photoactive...
  10. Advice for Starting a Biotech Company from a Grad Student turned Entrepreneur

    Type
    Blog Post
    ...proven in (A) Productize, (B) Roll out to market, and (C) Break even cycles. Work hard. Work fast. Be flexible...bacteriophages as bacterial therapeutics. This idea was incorporated into Novophage Therapeutics, Inc. in March 2009...potential conflicts that waste money and time. Most importantly, “the company does not become real until someone...Synthetic Biology? Read On! Synthetic Biology & the Importance of Assembly Standards Story of a SynBio Startup...
  11. AAVED

    Type
    Collection
    ... Deverman BE, Matho KS, Cetin A, Woodard K, Cepko C, Guerin KI, Rego MA, Ersing I, Bachle SM, Kamens J...Sponsor We are grateful to The Kavli Foundation for supporting this meeting. The goal of this year’s workshop...
  12. Hot Plasmids - February 2022

    Type
    Blog Post
    ...binding to FLAG-tag H2B for nuclear localization. (c) Applications of anti-FLAG-FB-GFP labeling various... provides a useful yet low-pressure teaching opportunity for lab members or students new to protein expression...induce high levels of gene activation for both reporter and endogenous genes. It is highly specific in...
  13. Back to Bacteria: CRISPR gRNA Multiplexing Using tRNAs

    Type
    Blog Post
    ...specific genome editing. Tsai SQ, Wyvekens N, Khayter C, Foden JA, Thapar V, Reyon D, Goodwin MJ, Aryee MJ...sequence flexibility indicates that gRNAs could be incorporated into these constructs without compromising cleavage...slightly higher mutation rates than they’d previously reported in protoplasts (15% and 9% of target sites.) How...
  14. 22 Hot Plasmid Technologies from 2014

    Type
    Blog Post
    ...targeting sequence of cytochrome c oxidase subunit VIII, so that they can be imported to the mitochondrial matrix...pCoofy series of plasmids contain a variety of N- and C-terminal tags (including His, S-tag, OneStrep, CBP...N-terminal tag, coding sequence of the gene of interest, C-terminal tag, plant terminator, and plant resistance... to report mitochondrial turnover Mitochondrial health, transport and turnover are important features...genes, reporters, or other markers into a target genome. They did this by selecting the important elements...usefulness in cell culture to report changes in mitochondrial turnover and transport. pMitoTimer from Yan’s ...Gottlieb’s lab has used an inducible MitoTimer reporter using a Tet-on system (pTRE-Tight-MitoTimer) to...
  15. Photosensitizer Induced Cell Ablation with FAP-TAP MG-2I-dL5**

    Type
    Blog Post
    ...Missinato, M. A., Onuoha, E., Perkins, L. A., Watkins, S. C., . . . Bruchez, M. P. (2016). A genetically targetable...photosensitizer fluorogenic dye.  MG-2I is the TAP portion of the complex and is derived from the malachite...
  16. Top Requested Lentivirus and AAV of 2016

    Type
    Blog Post
    ...Central PMCID: PMC3785459. 2. Krashes MJ, Koda S, Ye C, Rogan SC, Adams AC, Cusher DS, Maratos-Flier E, Roth...of transduction efficiency, tropism and axonal transport of AAV serotypes 1, 2, 5, 6, 8 and 9 in the mouse...
  17. How to Keep a Lab Notebook for Bioinformatic Analyses

    Type
    Blog Post
    ...python, R, perl, and ruby // This is a comment in C++ and Java Command line history: Tracking command...your methods section about the edit that was temporarily used. Just be sure that the original code remains...
  18. New Tool for Lineage Tracing: The ClonTracer Library

    Type
    Blog Post
    ...combination therapies.         References 1. Hyo-eun, C. Bhang, et al. "Studying clonal dynamics in response...leukemia. Bhang says the work highlighted the importance of developing more potent ABL1 allosteric inhibitors...
  19. Plasmids 101: FLEx Vectors

    Type
    Blog Post
    ...References: 1. Schnütgen F, Doerflinger N, Calléja C, Wendling O, Chambon P, and Ghyselinck NB. A directional...gene. Spatio-temporal expression of optogenetic reporters: Since most optogenetic reporters are delivered...invert the reporter and GeneR fragment. Then the second recombination event would excise the reporter from ...transduced reporter gene. Generating a FLEx switch to control expression of an optogenetic reporter would ...Cre-dependent reporter expression, the potential for background expression of the reporter will be greatly...shown in Figure 2, the cassette should contain a reporter DNA sequence (such as GFP) in the sense orientation...the two pairs of target sites. By flanking the reporter with one loxP site and one lox511 site in the ...
  20. Antibodies 101: Fab Fragments

    Type
    Blog Post
    ...antibody structure with important features labeled. V = Variable domain. L = Light chain. C = Constant domain...from another portion. For example, Fab fragments are molecules composed of just the Fab portion of the antibody...between the target and reporter. They have fewer non-specific binding opportunities due to the lack of an...region is the “tail” of the antibody and comprises portions of the constant regions of the two heavy chains...used in vivo.     Of course, the lack of an Fc portion means that most of the common anti-IgG secondary...it either needs to be directly conjugated to a reporter or you need a light-chain specific conjugated ...fairly easy to find these in a Fab fragment format. Reporter-conjugated anti-IgG Fab fragments make good secondaries...
  21. Announcing the Winners of the 2021 Michael Davidson and Roger Tsien Commemorative Conference Awards

    Type
    Blog Post
    ...stimulation of dual virus-expressing CR neurons. (C) Duration of painful responses in the left and right...changes. In addition to supporting in-person conference attendance, the award now supports virtual conference...research.   Abhi Aggarwal: Glutamate sensing reporters Abhi Aggarwal is a postbaccalaureate research ...third-generation intensiometric glutamate sensing fluorescent reporter (iGluSnFR3) to study glutamate, a signaling molecule...in pMinDisplay (PDGFR anchoring domain), in electroporated in rat hippocampal cultured neurons, imaged...hydropersulfides modulate protein activity and have important roles during oxidative stress. To monitor this...
  22. Mouse Modeling, Part 1: Genetically Engineered Mice

    Type
    Blog Post
    ...manipulation. Common inbred strains include C57BL/6, Balb/c, and 129. Conversely, outbred strains were originally...gene incorporated into their genome. While transgenic mice have the new gene construct incorporated randomly...embryonic stem cells. Non-homologous recombination incorporates this DNA randomly into the mouse genome. In ...homologous recombination. A targeting vector is electroporated into embryonic stem cells and this will insert...vectors used to create knockout mice include a reporter gene, which replaces the targeted gene and provides...
  23. Antibodies 101: Affinity Reagents

    Type
    Blog Post
    ...their monovalent nature. They are stable up to 80°C and can refold correctly after denaturing.  Designed...combinatorial libraries, and high specificity has been reported for a number of targets. Due to their size and...ain't broke, don't fix it!  That being said, it's important to know all your options when planning and running...
  24. Antibodies 101: Conjugation

    Type
    Blog Post
    ...doi.org/10.1038/nprot.2007.267 Stoeckius M, Hafemeister C, Stephenson W, et al (2017) Simultaneous epitope and...find yourself doing your own conjugation, it is important to keep in mind that you will need to confirm ...
  25. Plasmids 101: Modular Cloning

    Type
    Blog Post
    ...References and Resources References Weber E, Engler C, Gruetzner R, Werner S, Marillonnet S. A modular cloning...phenotype, translational output, etc., which can support a larger cellular engineering goal, several of ...
  26. Zhang Lab CRISPR Page

    Type
    Collection
    ... AAV - In vivo Delivery AAV - Cas9 Mouse CRISPR ( C lustered R egularly I nterspaced S hort P alindromic...Brigham MD*, Trevino AE, Joung J, Abudayyeh OO, Barcena C, Hsu PD, Habib N, Gootenberg JS, Nishimasu H, Nureki...nucleolytically inactive Cas9-VP64 fusion A sgRNA incorporating two MS2 RNA aptamers at the tetraloop and stemloop...
  27. Illuminating Epigenetics with A FRET Based Biosensor

    Type
    Blog Post
    ...islands (regions of the DNA with a high frequency of C and G nucleotides). The conversion of cytosine to ... versions of this reporter to target the K9 (pcDNA3-K9 histone methylation reporter) and K27 (pcDNA3-K27...The K9 reporter uses the HP1 chromodomain to recognise lysine 9 methylation, while the K27 reporter uses... methylation in living cells. Essentially this reporter construct consists of one substrate (the histone-derived...-K27 histone methylation reporter) positions on histone H3, which are known to be involved in repression...methylation of these sites was controlled, the reporter consistently showed significantly different FRET...states. Thus, this system is a reliable tool in reporting methylation status of these sites. This new technology...
  28. Plasmids 101: Terminators and PolyA signals

    Type
    Blog Post
    ... PubMed Central PMCID: PMC3622210. Schek N, Cooke C, Alwine JC. Definition of the upstream efficiency ...expression levels, the terminator also plays an important role in RNA processing and contributes to variability...polyadenylation. The addition of the poly(A) tail is important for stability of the mRNA, protection from degradation...degradation, and is integral to the nuclear export and translation processes as well.   Figure 2... non-poly(A) transcript-stabilizing and nuclear export elements such as WPRE (5) and CTE (6), and/or use...the Mason–Pfizer monkey virus constitutive RNA transport element lead to enhanced HIV-1 Gag expression ...
  29. Pathways Over Time Plasmids Engage Students in Functional Genomics Research

    Type
    Blog Post
    ...procedure adds both V5 and His6 epitope tags to the C-termini of Met proteins, which can be used to confirm...Professor at Boston College. National reports stress the importance of providing authentic research experiences... is particularly interested in strategies to incorporate research into undergraduate courses and in communicating...
Showing: 271 - 300 of 389 results