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Showing: 101 - 120 of 206 results
  1. Magnetic Control of Proteins: More than a Dream

    Type
    Blog Post
    ...of ~75% in response to the magnetic field (Figure 2); they named this variant MagLOV. Andrew was thrilled...didn’t need any added cofactors.      Figure 2: Fluorescence intensity and ΔF/F of MagLOV, a variant...sample. The imaged area measures approximately 82 mm across. Video courtesy of Andrew York and Maria Ingaramo...new microscopy tools for biological applications across a wide range of topics. He embraces open science...
  2. Plasmids 101: Choosing an Antibiotic Resistance Gene

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    Blog Post
    ...antibiotic selection. Essentially, this gene is a 2-in-1 providing both bacterial and eukaryotic selection...Zeocin-induced DNA cleavage in human cells. Mutagenesis, 20(2), 111–114. https://doi.org/10.1093/mutage/gei016I ...because it can be a one-stop shop for selection across systems and species. The cost? Zeocin is genotoxic...off-target mutations are undesirable. Pros: Works across many species/systems. Cons: Doesn’t work for all...
  3. Hot Plasmids - January 2023

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    Blog Post
    ...is always best to have options.      Fig. 2: Addgene’s western blot for mEGFP-HRas (from Plasmid...the presence of oxidizing agents. Adapted from Fig. 2 Campbell et al, Nature Methods   Find YFP plasmids...cytoplasmic mRNA with 90-99% knockdown efficiency across the 11 candidate transcript targets analyzed. ...
  4. DAP arrays for multiplex gene editing

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    Blog Post
    ...muscular dystrophies, heart disease, and type 2 diabetes, across four different types of human cells, including...(#186715) and hCtRNA_VT (#186716).   Fig. 2: Comparison of previous representative dual-gRNA architectures...
  5. Four Factors that Differentiate the Stem Cell Field

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    Blog Post
    ...Interview with Stem Cell Researcher Darrell Kotton 2. Stem cell scientists care about patients As any grad... Yamanaka explained that it took 50 people nearly 2 years to create the first stem cell line that could...cells, and the difficulty of sharing banked iPSCs across international borders. While questions of ethics...
  6. 5 Great Apps for Lab Life

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    Blog Post
    ...misplacing your results or losing that lab notebook from 2 years ago. The free subscription to Lab Archives allots...notebooks you’re saving trees! The Earth thanks you. 2. Gibco Cell Culture by Gibco Whenever I start to learn...could help me with calculations. This is how I came across the Gibco Cell Culture app. Gibco organizes its...
  7. Synthetic Photobiology: Optogenetics for E. coli

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    Blog Post
    ...Marcotte EM, Voigt CA. Nature. 2005 Nov 24;438(7067):441-2. PubMed. Find the plasmids from this publication ...Levskaya A, Voigt CA. J Mol Biol. 2011 Jan 14;405(2):315-24. doi: 10.1016/j.jmb.2010.10.038. Epub 2010...this far-red/red light-responsive system is spread across three plasmids, with the response regulator encoded...
  8. Selecting Your Plasmid Purification Kit

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    Blog Post
    ... environmental sustainability in mind (Table 2). Table 2: Sustainability features highlighted in plasmid...matching!   Figure 2: Plasmid isolation workflows are similar across kits. Lyse your bacteria to...debris”; and then clean-up the plasmid DNA (Figure 2). For most kits, the steps for lysing cells and removing...
  9. Lentiviral Vector Guide

    Type
    Guide
    ...intact. First-generation plasmids include (Figure 2): Transfer plasmid — contains transgene and wild-type...envelope removed Envelope plasmid — contains env Figure 2: First-generation lentiviral plasmids. Created with...plasmid 1 — contains gag and pol Packaging plasmid 2 — contains rev Envelope plasmid — contains env Third-generation...The inside out of lentiviral vectors. Viruses , 3 (2), 132–159. https://doi.org/10.3390/v3020132 PMID: ...Infectivity and Integration Targeting. PLoS ONE , 2 (12), e1340. https://doi.org/10.1371/journal.pone.0001340...features of lentiviral vectors. Human Gene Therapy , 24 (2), 132–142. https://doi.org/10.1089/hum.2012.229 PMID... contains many viral vector-specific terms and acronyms, so if you're new to viral vectors or simply need...
  10. Top Requested Lentivirus and AAV of 2016

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    Blog Post
    ... tropism and axonal transport of AAV serotypes 1, 2, 5, 6, 8 and 9 in the mouse brain. PLoS One. 2013 ...PMID: 24086725. PubMed Central PMCID: PMC3785459. 2. Krashes MJ, Koda S, Ye C, Rogan SC, Adams AC, Cusher...patterns of transduction and transgene expression across different cell types (Aschauer et al., 2013). Expression...
  11. Antibodies 101: Polyclonal Antibodies

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    Blog Post
    ...animal is given additional booster immunizations every 2-3 weeks to increase the antibody titer. The titer ...level of antibodies is reached - typically within 2-4 months. After the animal has the desired level of...antibody, you’ll want to use the same positive control across experiments to be aware of signal strength. In ...
  12. Chemogenetics Guide

    Type
    Guide
    ...muscarinic receptor and has not been used in vivo . Figure 2: DREADDs, their ligands, and signaling properties.... Reference Rq(R165L) Human M3 muscarinic Arrestin-2/-3 CNO* Increase Arrestin translocation Arrestin signalling...hM1Dq hM5Dq Human M3 muscarinic G αq CNO* Increase Ca 2+ Neuronal burst firing Armbruster et al., 2007 rM3D...channels, their effect, and outcome in neurons. Table 2. Descriptions of PSAMs and their activity in neurons...Forbes SL, Liggett SB (2001). Modification of the beta 2-adrenergic receptor to engineer a receptor-effector...inhibition Tung et al., 2015 iLMO: GeNL_SS- hGtACR1 GeNL_SS hGtACR1 CFz Cl - influx Neuronal inhibition Ikefuama...
  13. CRISPR 101: Cas9 vs. The Other Cas(s)

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    Blog Post
    ...11 and Cas13 are 1). non-specific RNA cleavage and 2). cell toxicity. Cas7-11 does not display collateral...Cpf1 is a single RNA-guided endonuclease of a class 2 CRISPR-Cas system. Cell, 163(3): 759-771 (2015). 10.1016...about a third of the size) and does not require a tracrRNA (it can self-process pre-crRNA into crRNA). The...
  14. Plasmids 101: Repressible Promoters

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    Blog Post
    ...immediate early gene expression. Genes Dev. 1988 Jun;2(6):718-29. doi: 10.1101/gad.2.6.718. PMID: 2843425...Targeted Gene Expression in Drosophila.” Genetics 186(2) (2010): 735-55. PubMed PMID: 20697123. PubMed Central... in Saccharomyces cerevisiae.” FEMS Yeast Res. 12(2) (2012): 197-214. PubMed PMID: 22129153. Additional... gene expression and tracing of gene expression across development. One common binary system is the GAL4...
  15. CRISPR 101: Epigenetics and Editing the Epigenome

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    Blog Post
    ...form or as ready-to-use lentivirus. Figure 2: dCas9-Tet1 demethylates cytosines at promoters and...pX330a dCas9-LSD1 for targeted removal of H3K4me1/2 and H3K9me2 histone modifications. Like the TALE-LSD1...approach for targeted DNA demethylation. Cell Discovery 2: . https://doi.org/10.1038/celldisc.2016.9 Find plasmids... epigenome (the sum of epigenetic modifications across the genome) has been implicated in disease states...
  16. 6 Tips for Grant Writing

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    Blog Post
    ...days before the deadline isn’t going to be much use. 2. Originality is essential for grant success The two... it’s important not to throw in the towel if 1 or 2 funding bodies say no. If possible, get feedback from...you be interested in it?) so make sure that comes across. Check out some in-depth grant writing tips at ...
  17. Antibodies 101: Choosing the Right Isotype

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    Blog Post
    ... reduce the background staining (Table 2).      Table 2: Secondary antibody selections for a four-antibody...commercially available secondary antibodies and found that across suppliers there was a detection bias of IgG2a>IgG2b...
  18. Plasmids 101: Terminators and PolyA signals

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    Blog Post
    ...due to the presence of additional helper sequences (2-3). As alluded to above, termination and polyadenylation...and translation processes as well.   Figure 2: The conserved eukaryotic polyadenylation signal directs...The purpose and mechanism of polyadenylation vary across cell types, but polyadenylation generally serves...
  19. Multiple Plasmids at a Low Price: Kits from Addgene

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    Blog Post
    ...wheat germ, HeLa, and Leishmania (Gagoski, et al 2015[2]). The proteins encoded in this set range in size ...to generate Illumina sequencing libraries using a 2-step PCR-based protocol and are compatible with single-end...Hanno, et al. "Molecular basis for inhibition of AcrB multidrug efflux pump by novel and powerful pyranopyridine...can quantitatively determine allele frequencies across timepoints or populations. This kit consists of...
Showing: 101 - 120 of 206 results