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  1. Hot Plasmids - October 2022

    Type
    Blog Post
    Published
    Oct. 6, 2022, 1:15 p.m.
    ...protein sequence of the predecessor GEVIs (called ASAP 1 and 2), they found an indicator that is optimized ...several other constructs in plasmid form. Fig. 1: Summary of the approach and outcomes of the screen...
  2. 9 tips for a successful postdoctoral experience

    Type
    Blog Post
    Published
    Oct. 9, 2018, 12:21 p.m.
    ... postdoc fellowship. 1. Reverse engineer success On Day 1 of your postdoctoral experience, define what... of your postdoctoral training experience. If you're going to commit to doing a postdoctoral fellowship...contributed by Erik Snapp, the Director of Student and Postdoctoral Programs at theJanelia Research Campus of the...the Howard Hughes Medical Institute. Today's postdoctoral fellows (PFs) face a number of challenges ranging...academia - the main reason most people enter postdoctoral training. Similarly, there are several factors...you searched for and eventually identified a postdoctoral mentor. A good mentor typically writes the grants...of reference- the graduate school mentor, the postdoctoral mentor, and at least one more person that knows...
  3. Hot Plasmids - October 2020

    Type
    Blog Post
    Published
    Oct. 13, 2020, 1:15 p.m.
    ... inhibitory synapses in the brain.  Figure 1:Schematic diagram of different FingR constructs and...
  4. PCR Applications for Copy Number Variation Assays

    Type
    Blog Post
    Published
    April 26, 2022, 1:15 p.m.
    ...falciparum multidrug resistance-1 gene (pfmdr1). J Parasitol. 2011 Oct;97(5):939-42. doi: 10.1645/GE-2792.1...-87. doi: 10.1016/j.mimet.2005.09.007. Epub 2005 Oct 10. PMID: 16216354 ...against the limitations of the assay.      Fig. 1: A schematic representation of Sybr Green chemistry...Methods Mol Biol. 2018;1768:143-160. doi: 10.1007/978-1-4939-7778-9_9. PMID: 29717442. Arya M, Shergill IS...gamma receptor genes FCGR3A and FCGR3B. PloS one, 10(1), e0116791. https://doi.org/10.1371/journal.pone.0116791...
  5. Synthetic Photobiology: Optogenetics for E. coli

    Type
    Blog Post
    Published
    Sept. 8, 2015, 2:30 p.m.
    ...;3(11):820-31. doi: 10.1021/sb500273n. Epub 2014 Oct 11. PubMed. Find the plasmids from this publication...315-24. doi: 10.1016/j.jmb.2010.10.038. Epub 2010 Oct 28. PubMed. Find the plasmids from this publication...red light rapidly deactivates the system. Version 1 of this far-red/red light-responsive system is spread...
  6. Viral Vectors 101: Types of viruses

    Type
    Blog Post
    Published
    June 6, 2023, 1:15 p.m.
    ...Retroviruses and cancer. Rev Infect Dis. 1982 Sep-Oct;4(5):1015-25. DOI: 10.1093/clinids/4.5.1015 Lee C.S...Application of Viruses to Biotechnology. Viruses. 2021 Oct 14;13(10):2073. DOI: 10.3390/v13102073 Resources ...efficiently with adenovirus and AAV.   Table 1: Types of viruses and their features Choosing ...
  7. Pooled CRISPR Libraries Offer Genome-Wide Control for Large-Scale Functional Screens

    Type
    Blog Post
    Published
    Feb. 24, 2015, 7:50 p.m.
    ...Weissman JS. Cell. 2014 Oct 23;159(3):647-61. doi: 10.1016/j.cell.2014.09.029. Epub 2014 Oct 9.     ...endogenous genes and it consists of three components: 1. A nucleolytically inactive Cas9-VP64 fusion; 2. A... the top 10 hits.” Two-way CRISPR screening In October, Jonathan Weissman’s lab introduced additional ...
  8. CRISPR Protocol for Genomic Deletions in Mammalian Cell Lines [Video]

    Type
    Blog Post
    Published
    Feb. 18, 2015, 3:09 p.m.
    ... determines fetal hemoglobin level. Science 2013 Oct 11;342(6155):253-257. PubMed. 3. Canver MC, Bauer...harness non-homologous end joining repair (NHEJ) [1]. Our initial work was with TALENs, in collaboration...from the University of Pennsylvania.     References: 1. Lee HJ, Kim E, Kim JS. Targeted chromosomal deletions...using zinc finger nucleases. Genome Res. 2010 Jan;20(1):81-89. PubMed. 2. Bauer DE, Kamran SC, Lessard S,...
  9. Plasmids 101: Dimers and Multimers

    Type
    Blog Post
    Published
    Jan. 10, 2023, 2:15 p.m.
    ... of colicinogenic factor E-1 from Proteus mirabilis. Biochemistry. 1968 Oct;7(10):3513-20. doi: 10.1021...Plasmids and Chromosomes. Microbiol Spectr. 2014 Oct;2(5). doi: 10.1128/microbiolspec.PLAS-0025-2014. ...indicates the presence of a multimer.   Fig. 1: The monomer of Plasmid 12259: pMD2.G (depicted on...plasmid sequencing services using long-read sequencing (1-25 kb), such as Oxford Nanopore sequencing or PacBio...10017-26. doi: 10.1074/jbc.M110.176636. Epub 2011 Feb 1. PMID: 21285356; PMCID: PMC3060453. Bazaral M, Helinski...Methods Mol Biol. 2009;582:11-25. doi: 10.1007/978-1-60761-340-4_2. PMID: 19763938. Maucksch C, Bohla A...
  10. Even more elegant: Single injection CRISPR/Cas9 in C. elegans

    Type
    Blog Post
    Published
    July 7, 2015, 3:36 p.m.
    ...B. Nat Methods. 2013 Oct;10(10):1028-34. doi: 10.1038/nmeth.2641. Epub 2013 Sep 1. PubMed. Find plasmids...sequences are inserted into the genome. Figure 1: Self-excising cassette schematic from Dickinson et...
  11. Hot Plasmids: FRET-Based Biosensors

    Type
    Blog Post
    Published
    May 6, 2014, 1:07 p.m.
    ...self-associating fluorescent domains. ACS Chem Biol. 2013 Oct 18;8(10):2133-9. doi: 10.1021/cb400427b. Epub 2013...variants. This resulted in the construction of redCALWY-1, a red-shifted FRET sensor for zinc using variants...
  12. Viral Vectors 101: Biosensors

    Type
    Blog Post
    Published
    July 6, 2023, 1 p.m.
    ...Introduction to Biosensors. Essays Biochem. 2016 Jun 30;60(1):1-8. DOI: 10.1042/EBC20150001 Leopold, A. V., Shcherbakova...Applications. Frontiers in Cellular Neuroscience. 2019 Oct Vol. 13; 1662-5102. DOI: 10.3389/fncel.2019.00474...
  13. Plasmids for Endogenous Gene Tagging in Human Cells

    Type
    Blog Post
    Published
    April 6, 2017, 1:02 p.m.
    ...Last updated on Oct 14, 2020 by Seth Kasowitz. This post was contributed by the gene editing team at ...Collection Fluorescent tagging strategy Figure 1: Gene editing is the addition of a useful coding sequence...plasmid design strategy. A donor plasmid contains 1 kb homology arms matching the gene of interest, a ...Institute website at alleninstitute.org. References 1. Roberts, Brock, et al. "Systematic gene tagging using...
  14. Plasmids 101: CcdB - The Toxic Key to Efficient Cloning

    Type
    Blog Post
    Published
    Dec. 8, 2016, 3:30 p.m.
    ... the F plasmid ccdB killer gene”. Gene. 1994 Oct 11;148(1):71-4. PubMed PMID: 7926841. 4. Bernard, P.,...succumb to the toxicity of CcdB.   Figure 1: Image from Bernard, P., et al. showing the pKIL 18...submit a guest blog entry of your own! References 1. Bernard, P. “Positive Selection of Recombinant DNA...
  15. Lentiviral Vector Uses and Overview

    Type
    Blog Post
    Published
    May 19, 2016, 2:30 p.m.
    ...HIV-1 were transduced with a lentiviral vector containing an antisense sequence against the HIV-1 envelope...U, Takahashi M, Gage FH, Verma IM. J Virol. 1998 Oct;72(10):8150-7. PubMed PMID: 9733856. PubMed Central...Trono and collaborators turned to the lentivirus HIV-1, well-known to infect non-dividing cells. The first...plasmids. The packaging plasmid carried a mutated HIV-1 provirus that couldn’t package itself due to a few...plasmid encoded the desired transgene flanked by HIV-1 long terminal repeats (LTRs) that facilitate viral... targeting and tracing cells in the brain (Figure 1). 2nd generation lentiviral packaging system The graphic...infectivity, is often used as a substitute for HIV-1 Env, which can only infect CD4+ cells. 3rd generation...
  16. Antibodies 101: Producing Recombinant Antibodies

    Type
    Blog Post
    Published
    Aug. 13, 2024, 1:15 p.m.
    ...Mechanisms, detection, and control. Int J Pharm. 2018 Oct 25;550(1-2):251-268. doi: 10.1016/j.ijpharm.2018.08.043...materials have been washed away (Figure 1).      Figure 1: The steps of rAb production. Created ...EBNA1 Cells. Methods Mol Biol. 2018;1850:1-16. doi: 10.1007/978-1-4939-8730-6_1. PMID: 30242676. Frenzel...Neuroscience Research. Curr Protoc Neurosci. 2020 Dec;94(1):e106. doi: 10.1002/cpns.106. PMID: 33151027; PMCID...
  17. AAV Titers: Where Do They Come From And What Do They Mean?

    Type
    Blog Post
    Published
    Nov. 15, 2017, 3 p.m.
    ...near-perfect physical-to-infectious particle ratio of 1:1 (Zeltner et al., 2010). However, for recombinant ...preparations are genome-containing (Figure 1).    Figure 1: Electron micrograph of an Addgene AAV...PCR versus analog real-time PCR. Nat Methods. 2013 Oct;10(10):1003-5. PubMed PMID: 22035192. PubMed Central...reported a physical-to-infectious particle ratio of 50:1 (Zeltner et al., 2010). The specific infectivity of... lot (if we still have it available). References 1. Fagone, Paolo, et al. "Systemic errors in quantitative... Human Gene Therapy, Part B: Methods 23.1 (2011): 1-7. PubMed PMID: 22428975. PubMed Central PMCID: PMC3640491...
  18. Overcoming the Challenges of Lentiviral Production

    Type
    Blog Post
    Published
    Aug. 7, 2018, 12:31 p.m.
    ...limit of lentiviral vectors. Hum Gene Ther. 2001 Oct 10;12(15):1893-905. PubMed PMID: 11589831. Jiang ...is best for larger genes such as Cas9. See figure 1 for an example of how changing transfection ratios...
  19. Evolution of Brainbow: Using Cre-lox for Multicolor Labeling of Neurons

    Type
    Blog Post
    Published
    April 24, 2015, 2:39 p.m.
    ... Rheenen J, Simons BD, Clevers H. Cell. 2010 Oct 1;143(1):134-44. PubMed. Drosophila Brainbow: a recombinase-based...the Brainbow mouse neural labeling system. Brainbow-1 and -2 have been further refined to create Brainbow...subsequent recombinations cannot occur. While the Brainbow-1 system employs Cre-mediated deletion, the design of...antibodies specific to each fluorophore. Third, Brainbow-1 and Brainbow-2 each contained a “default” state; for...dendritic processes not previously visible with Brainbow-1 and -2. The general structure of Brainbow-1.0 is retained...
  20. CRISPR Activation: A Practical Guide

    Type
    Blog Post
    Published
    Aug. 18, 2016, 2:30 p.m.
    ...Last updated Oct 7, 2020 by Gabrielle Clouse. This post was contributed by guest bloggers Marcelle Tuttle...activity to a transcriptional activation domain (Fig 1). Two ways to use CRISPRa for your research CRISPRa... Stucka R, Hauber J, Lange UC (2016) Targeted HIV-1 Latency Reversal Using CRISPR/Cas9-Derived Transcriptional...
Showing: 1 - 20 of 92 results