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  1. A Control for All Seasons

    Type
    Blog Post
    ...replicates such as multiple mice in each group and C, technical replicates or repeated measurements will...interactions between the sample and the secondary antibody. C, a label control treats the sample to the full protocol...PubMed Central PMCID: PMC5773976. Waters, Jennifer C. “Accuracy and Precision in Quantitative Fluorescence...controls and then moving on to controls for antibody-related applications. After reading, you will have a better...and test multiple mice with the drug rather than rely on the results of a single mouse. Biological replicates...
  2. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

    Type
    Blog Post
    ... a mutation that causes Niemann-Pick disease type C, directly demonstrating the therapeutic potential ...toxicity in long-term experiments.  Figure 4: The C-terminus of Cre (CreC) and the N-terminus of Cre (...base editors in vivo and achieved therapeutically relevant editing efficiencies in the mouse brain, liver...Physiol 2018. PubMed PMID: 30819783. Light up CreLite: a red-light inducible optogenetic tool for precision...lineage tracing Article contributed by Erin Sanders CreLite, designed by the Eisenhoffer lab, is a new tool...systems (ex: tamoxifen). As the name suggests, CreLite combines the Cre/lox system with optogenetics. ...studies. Eisenhoffer and his colleagues evaluated CreLite for cell tracing using the transgenic zebrafish...
  3. GCE4All: Making Genetic Code Expansion Accessible

    Type
    Blog Post
    ...come out! References Noren, C. J., Anthony-Cahill, S. J., Griffith, M. C., & Schultz, P. G. (1989). A...site-specifically to alter its function, mimic a biologically relevant modification, or add in fluorescent or chemically...which can help determine structure and function relationships or, in more practical applications, allow a ...tRNA, and the tRNA synthetases. And, naturally, rarely are the optimization parameters the same for all... any of a huge variety of ncAAs to study the relationship between structure and function…if you can get...
  4. Transferable Skills Guide: Conflict Resolution

    Type
    Blog Post
    ...create solution C. And if a conflict resolver does their job well, not only will solution C be better than...many sources of conflict are substantive (“Person C told Person A one thing and inadvertently told Person...between two different teams at work, I don’t just rely on what I know about those particular teams at that...
  5. Plasmids 101: Codon usage bias

    Type
    Blog Post
    ...theory, this is not as easy as it sounds. Even for relatively short peptides, there can be many possible ways...non-exhaustive list includes: Codon abundance relative to cognate tRNA abundance Repetitive sequences...This is possible because there are 4 bases (A, T, C, and G) and 3 positions in each codon. There are therefore...al. found that translation efficiency is well correlated with codon bias in both E. coli and S. cerevisiae...with specific secondary structures in 10 closely related yeast strains. Adaptation to changing conditions...
  6. Neurodegeneration Plasmid Collection

    Type
    Collection
    ...LRRK2 C-His LRRK2 His polH Parkinson's Michael J Fox Foundation MJFF 40376 pBACgus/LRRK2 1867-2141 C-His...2161 C-His LRRK2 His polH Parkinson's Michael J Fox Foundation MJFF 40378 pBACgus/LRRK2 1867-2176 C-His...2161 C-His_T2031E LRRK2 His polH Parkinson's Michael J Fox Foundation MJFF 40381 pBACgus/LRRK2 C-His_G2019S...2161 C-His_G2019S LRRK2 His polH Parkinson's Michael J Fox Foundation MJFF 40383 pBACgus/LRRK2 C-His_C2024S...mCherry-MAPTau-C-10 MAPT mCherry CMV Parkinson's, FTD Michael Davidson 55311 mTagBFP2-MAPTau-C-10 MAPT mTagBFP2... mKO2-MAPTau-C-10 MAPT mKO2 CMV Parkinson's, FTD Michael Davidson 58112 tdTomato-MAPTau-C-10 MAPT tdTomato...CMV ALS Alicia Pickrell 131792 pHAGE-TBK1-C-FLAG-HA TBK1 STOP codon CMV ALS Alicia Pickrell 131889 pDONR221...
  7. Important Considerations When Using AAVs

    Type
    Blog Post
    .... Speed: AAV transduction experiments are relatively quick. We have found that expression occurs quickly...nitrogen or a dry ice/ethanol bath, and store at -80° C. Once thawed, the AAV aliquot should be used quickly...PubMed Central PMCID: PMC190186. 9. Grieger, Joshua C., and Richard J. Samulski. "Packaging capacity of ...roles of certain cell types in locomotion. We have relied heavily upon AAV vectors to deliver chemogenetic...AAV selection, there are three important factors related to location. Location (1): What tissue? Location... (2007): 1740-1743. PubMed PMID: 17882145. 2. Zincarelli, Carmela, et al. "Analysis of AAV serotypes 1...
  8. Coomassie Purity Stain of Recombinant Antibodies

    Type
    Protocol
    ...) or a similar photo software to determine the relative intensity of the protein bands to the overall ...standard Before Starting Warm the hot plate to 100 °C. Thaw IgG standard and prestained protein ladder on...microcentrifuge. Heat the samples for 10 min at 100 °C in a heat block. Spin the sample briefly in the microcentrifuge...
  9. CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More

    Type
    Blog Post
    ... of cytidine and adenine base editors that enable C-to-T and A-to-G base substitutions respectively. Substitutions...:723–728 . https://doi.org/10.1021/sb500351f Dong C, Fontana J, Patel A, Carothers JM, Zalatan JG (2018... https://doi.org/10.1016/j.cell.2013.02.022 Ronda C, Pedersen LE, Sommer MOA, Nielsen AT (2016) CRMAGE...Vridhambal GS, Rivera AJ, Montgomery SA, Fortier L-C, Barrangou R, Theriot CM, Ousterout DG (2020) In Vivo...two tandem copies of the gRNA cassette, one can reliably knockdown expression of multiple target transcripts...Streptomyces Some of the most industrially and clinically relevant bacterial species reside in the genus Streptomyces...
  10. Plasmids 101: The Wide World of Natural Plasmids

    Type
    Blog Post
    ...doi.org/10.1128/AEM.67.8.3440-3444.2001 Fogarty, E. C., Schechter, M. S., Lolans, K., Sheahan, M. L., Veseli....102684 Shareck, J., Choi, Y., Lee, B., & Miguez, C. B. (2004). Cloning Vectors Based on Cryptic Plasmids...some researchers have suggested they may have relevance to human health (Fogarty et al., 2024), and others...created as whole-genome sequencing becomes more relevant (Garcillán-Barcia et al., 2023). In this post,...organization doesn’t necessarily reflect genetic relationships or plasmid incompatibility. Plasmids may also...than one function: for example, Gateway cloning relies on genes found on an E. coli fertility plasmid ...cloning. In addition, scientists have engineered entirely new types of plasmids without clear analogues ...
  11. CRISPR 101: Cas9 vs. The Other Cas(s)

    Type
    Blog Post
    ...genomic loci as the PAM does not require any G’s or C’s. One curious feature of this Cas is that once it ...requirement: protospacer flanking sequence – A, U, or C. Best for: targeting single stranded RNA.   Cas7...enzymes Cas9 – The genome engineering workhorse You rarely hear the word ‘CRISPR’ without shortly thereafter...
  12. CRISPR Plasmids - Prime Edit

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    Collection
    ...gRNAs By Species Mammalian Bacteria Drosophila Plant C. elegans Yeast Zebrafish Xenopus CRISPR Resources ...which a reverse transcriptase (RT) is fused to the C terminus of Cas9 H840A nickase. The fusion enzyme ...transcriptase. Engineering of the PE enzyme and related components have helped to improve the efficiency...the reverse transcriptase. Many PE enzymes and related tools are available: PE2 - introduction of five...
  13. Viral Vectors 101: Chemogenetics

    Type
    Blog Post
    ...10.1021/cn500325v Goutaudier, R., Coizet, V., Carcenac, C., & Carnicella, S. (2019). DREADDs: The Power of the...https://doi.org/10.1038/s41598-019-41088-2 Magnus C, Lee P, Bonaventura J, Zemla R, Gomez J, Ramirez M...neuronal firing. What is chemogenetics? Chemogenetics relies on genetically introducing engineered receptors... However, concerns have been raised over the reliability of using CNO as a DREADD agonist due to its ability...the compound, or compounds, you choose to ensure reliable results (Goutaudier et al., 2019). Using PSAMs...BL, Jin J (2015) The First Structure–Activity Relationship Studies for Designer Receptors Exclusively Activated...
  14. Adenoviral Delivery of CRISPR/Cas9 Aims to Expand Genome Editing to Primary Cells

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    Blog Post
    ...Maddalo D, Manchado E, Concepcion CP, Bonetti C, Vidigal JA, Han Y-C, Ogrodowski P, Crippa A, Rekhtman N, de... Journal of Controlled Release 298:128–141 . https://doi.org/10.1016/j.jconrel.2019.02.009 Wang D, Mou...efficient introduction of DNA into therapeutically relevant, non-transformed mammalian cells. These viral ... could be realized via simple switching of the relevant gRNAs and donor DNA Adenoviral CRISPR/Cas9 genome...
  15. p53 Pathway

    Type
    Collection
    ...RFWD2); E3 ubiquitin protein ligase cytoC Cytochrome c DR5 Tumor necrosis factor receptor superfamily, member...Ghebranious N, Igelmann H, Lu X, Soron G, Cooper B, Brayton C, Park SH, Thompson T, Karsenty G, Bradley A, Donehower...Caspase 3, apoptosis-related cysteine peptidase CASP8 Caspase 8, apoptosis-related cysteine peptidase CASP9...for clarity and does not indicate a specific relationship. p53 Pathway Color is used for clarity and does... does not indicate a specific relationship. The content for this page was generated with the help of .... CASP9 Caspase 9, apoptosis-related cysteine peptidase Cyclin B CCNB1 CCNB2 CCNB3 Cyclin B1, 2, or 3 Cyclin...
  16. When Fidelity Matters: A frank discussion about ligase fidelity

    Type
    Blog Post
    ...temperatures (up to 95 °C) and is active over a range of elevated temperatures (37–75 °C). T4 DNA ligase ...PMC4737175. 22. Liu, Pingfang, Artur Burdzy, and Lawrence C. Sowers. "DNA ligases ensure fidelity by interrogating...ligase, conditions and suitable probes, LDR can reliably detect single-base differences. The original creators...interrogation of multiple potential SNP sites (15). The related LCR technique uses two sets of probes to achieve...DNA library preparation. However, when a method relies on accurate ligation of nicks lacking gaps or mismatched...
  17. Plasmids 101: Using Transposons in the Lab

    Type
    Blog Post
    ... its preferred target integration site: TNA(C/G)TTATAA(G/C)TNA. Tol2 can deliver 10-11 kB to mammalian...   References and Resources References Feschotte C, Pritham EJ (2007) DNA Transposons and the Evolution...first copy themselves as RNA transcripts and then rely on a reverse transcriptase enzyme to reverse transcribe...
  18. Making CRISPR Plasmids Using Fragmid

    Type
    Blog Post
    ...Cas proteins, guide cassettes, promoters, N’ and/or C’ terminus, and selection markers. Need fewer components...Griffith, A. L., Szegletes, Z. M., Wen, B., Kraus, C., Miller, N. W., Steger, R. J., Escude Velasco, B.... order. (It’s also why you can’t skip a module entirely, but instead will have to replace it with a spacer...
  19. Hot Plasmids and Viral Preps - January 2021

    Type
    Blog Post
    ...application of blue light, Vvd dimerizes bringing the C-terminal and N-terminal Cre fragments together and...the PAM sequence is 5’-TBN-3’ (where B is G, T, or C). The authors demonstrate that CRISPR-Casɸ is active...unlike other well-characterized Cas enzymes, which rely on multiple active sites. In addition, Casɸ has ...
  20. Celebrating the 2024 Nobel Prize in Chemistry

    Type
    Blog Post
    ...! References Kuhlman, B., Dantas, G., Ireton, G. C., Varani, G., Stoddard, B. L., & Baker, D. (2003)....John Jumper! The Baker Lab focuses on designing entirely new proteins, improving our understanding of how...
Showing: 181 - 200 of 328 results