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We narrowed to 337 results for: c rel

Showing: 241 - 260 of 337 results
  1. Antibodies 101: The Basics of Western Blotting

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    Blog Post
    ...post-translational modifications, quantify protein levels relative to standards, detect the cellular location of ...thickness of the band provides information about the relative abundance of the protein in the sample. More protein...4354 . https://doi.org/10.1073/pnas.76.9.4350 Yang P-C, Mahmood T (2012) Western blot: Technique, theory,...endogenously expressed protein at physiologically relevant levels. Some vendors will also test their antibody...known to express the protein at physiologically relevant levels (not overexpression systems) while negative...molecular biology protocols Browse other articles related to antibodies Resources on Addgene.org Find written...
  2. Fluorescent Proteins 101: History of Fluorescent Proteins

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    Blog Post
    ...expressed GFP in exogenous organisms (E. coli, and later C. elegans) for the first time. After Chalfie’s work... in molecular detail. On the underside of the “umbrella” of A. victoria there is a ring that glows with...
  3. Six Spooky Science Stories and Halloween at Addgene

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    Blog Post
    ...PubMed Central PMCID: PMC1559948. Brusca, Richard C., and Matthew R. Gilligan. "Tongue replacement in ...membrane. Vampirovibrio chlorellavorus will not grown in culture alone and relies on its algae host for ...ant’s body. The fruiting bodies then rupture and release spores onto the forest below for the next unsuspecting...stumble upon. Vampire bacteria Vampirovibrio chlorellavorus is a predatory bacteria that attaches to the...adult worms develop in the digestive tract and release eggs in the bird feces, which get eaten by another... the predatory cyanobacterium Vampirovibrio chlorellavorus." PeerJ 3 (2015): e968. PubMed PMID: 26038723...
  4. Evolution of Brainbow: Using Cre-lox for Multicolor Labeling of Neurons

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    Blog Post
    ...Sato T, van Es JH, van den Born M, Kroon-Veenboer C, Barker N, Klein AM, van Rheenen J, Simons BD, Clevers...melanogaster. Hadjieconomou D, Rotkopf S, Alexandre C, Bell DM, Dickson BJ, Salecker I. Nature Methods. ...observed in a given area. In 2013, Dawen Cai, et al. released a refinement of the Brainbow technology, Brainbow...
  5. Management for Scientists: Seeking Feedback

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    Blog Post
    ...ask at least one question to clarify the situation; C = confirm that you have understood the speaker accurately...brings feedback back to the manager. Team members rarely rush to give honest feedback to the manager for...
  6. Isolating a Monoclonal Cell Population by Limiting Dilution

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    Protocol
    ...hemocytometer or other cell counter. Pro-Tip Prepare a relatively dilute cell solution (<10 6 cells/mL) before ...heat-inactivated FBS and 5 mL of 100X glutaGRO. Store at 4 °C. Polyclonal stable cell pool: see our protocol for...
  7. PiggyBac-ing Through the Genome Editing Field

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    Blog Post
    ..., G. S. Parker, S. J. Qualls, B. M. Lewis, E. Ke, C. T. Dargitz, R. Wright, A. Khanna, F. H. Gage, and... Mikkers, J. Kool, L. van der Weyden, A. H. Lund, C. H. Wilson, R. Rance, J. Jonkers, M. van Lohuizen,... procedure is cumbersome and inefficient, as it relies on random integration efficiencies that may be ...off-target effects is likely due to the fact that PBx relies on the inverted terminal repeats (ITRs) found on...
  8. CRISPR Protocol for Genomic Deletions in Mammalian Cell Lines [Video]

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    Blog Post
    ...Bauer DE, Kamran SC, Lessard S, Xu J, Fujiwara Y, Lin C, et al. An erythroid enhancer of BCL11A subject to...of the method. One observation was an inverse relationship between deletion size and frequency [3]. There... DNA function is typically inferred based on correlative biochemical characteristics and ectopic reporter...   Like the video? The Orkin and Bauer lab's related paper describes their methods for CRISPR design...
  9. Chemogenetics vs. Optogenetics: Which Method Should I Choose?

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    Blog Post
    ...annurev-pharmtox-010814-124803 Vlasov, K., Van Dort, C. J., & Solt, K. (2018). Optogenetics and Chemogenetics...level of control over timing. Because chemogenetics relies on chemical activation and the diffusion of drugs...throughout the body. Controlling Stimulation Some studies rely on delivering reversible or varied amounts of stimulation... of being less invasive and more flexible as it relies on designer ligands that can be simply introduced...
  10. 3 Tips to Improve HDR Efficiency for CRISPR Editing in Human Cells

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    Blog Post
    ...In mammalian cells such as stem cells, HDR is relatively rare and DSBs are predominantly repaired by NHEJ...either the PAM (changing one of the G’s to an A,T or C – but avoid NAG) or guide RNA target (“seed”) sequence... or guide RNA blocking mutations? This depends entirely on the locus you are editing, and if the blocking...experiments with blocking mutations, we still weren’t entirely happy with our editing outcomes and in many cases...mutation were on the same oligo, the intended mutation rarely got in. It seemed that the cell was only using ...characterize this phenomenon and found a general relationship between the distance of a mutation from the ...(and let them cut close).   Figure 2: Relationship between cut site to mutation distance and editing...
  11. Antibodies 101: Reading a Flow Plot

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    Blog Post
    ...population. Heat maps are often used to indicate the relative density of cells. You can see both of these features...Barlow-Anacker, A., Bochkov, Y., Gern, J., & Seroogy, C. (2017). Neonatal immune response to rhinovirus A16...are used to show frequency of events, instead of relying on clustered dots. In a contour plot, each line...intracellular IFNγ, IL-17 and IL-10 producing T cells correlates with the occurrence of post-transplant opportunistic...
  12. Quick Guide to All Things Lentivirus

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    Blog Post
    ...transfection. This supernatant can be stored at 4 °C or can be directly added to your target cells. However...and plasmids.  References 1. Miller, A. DUSTY, and C. A. R. O. L. Buttimore. "Redesign of retrovirus packaging...vectors, gene transfer into mammalian cells often relied on chemical (CaCl2, cationic liposome) or electrical...Quickly after transfection (4-8h), cells start releasing viral particles into the culture supernatant and...viral capsid antigen p24, the FACS dosing method correlates viral titre to the number of cells transduced...
  13. Natural or synthetic? How Addgene’s dataset reveals trends in biological innovation

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    Blog Post
    ... Kunjapur, Aditya M., Philipp Pfingstag, and Neil C. Thompson. "Gene synthesis allows biologists to source...slight or large variations depending on how closely related these species are. If a gene was moved exactly ...exactly as is from one organism to a distantly related organism, the gene may not express well because of these...saw that a percent sequence identity below 85% correlates with synthetic sequences. The researchers then...growing trend of sourcing genes from distantly related organisms. In 2006, less than 1% of the genes deposited...applications in monitoring the accidental or intentional release of engineered organisms. “Is [the organism] engineered...
  14. Tag Your Favorite Yeast Genes with Ease

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    Blog Post
    ...promoter substitution), and tagging at either the N- or C-terminus (3xHA, 13xMyc, GST, or GFP). Longtine et ...) PLoS ONE 8(7): e67902. Many imaging studies rely on direct fusion of fluorescent proteins (FPs) to...
  15. Addgene's a Nonprofit? Nonprofit Awareness Day 2017

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    Blog Post
    ...under the United States Internal Revenue Code 501(c)(3). That means we were formed to benefit the public...confidentiality where it is appropriate. This grows our relationship with our community members. We also find that..., Susanna, Tenisha, Thomas, Tony, Tracy, Tyler, Tyrel, Wogenie, and Xuan Additional Resources on the Addgene...
  16. Antibodies 101: Fc Effector Functions

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    Blog Post
    ...) antibody-dependent cellular cytotoxicity (ADCC) c) antibody-dependent cellular phagocytosis (ADCP). ...cells expressing Fcγ receptors binds to IgG and release cytotoxins that kill the target cell. If the pathogen...antibodies and eosinophils, where the eosinophils release cytotoxins via degranulation.  Antibody-dependent...
  17. CRISPR 101: Drug discovery and CRISPR

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    Blog Post
    ...field! References and Resources References Fellmann, C., et al., Cornerstones of CRISPR-Cas in drug development... or have a simple pathology. In these cases, preliminary identification of potential targets by CRISPR...researchers to select and generate physiologically relevant models. In complex diseases, it can aid in generation...
  18. Plasmids 101: Gene, enhancer, and promoter trapping

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    Blog Post
    .... DOI: https://doi.org/10.1080/rsob.180241 Vanni, C., et al., Unifying the known and unknown microbial...traps? Traps – gene, enhancer, and promoter – all rely on the random integration of a reporter construct... effective tools but neglect some biologically relevant situations. Tissue-specific genes – the genes...
  19. 22 Hot Plasmid Technologies from 2014

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    Blog Post
    ...signaling dynamics are influenced by the relatively long life-cycle of a protein from expression to degradation...the mitochondrial targeting sequence of cytochrome c oxidase subunit VIII, so that they can be imported...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...compartment of action via sequestration. The strategy relies on several observations: Rapamycin is a membrane-permeable...physiological setting. Genetic techniques typically rely on overexpression or knock-down, where signaling...or small molecules and exceed a physiologically relevant exposure in intensity and/or duration. Both of...
Showing: 241 - 260 of 337 results