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Showing: 581 - 600 of 982 results
  1. Early Career Researcher Toolbox: Free Online Molecular Biology Tools

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    Blog Post
    ...sequences to sequences in a database ExPASy translation tool: Translates a DNA sequence using all six open reading...Annotates features, BLASTs, aligns, digests, and translates a sequence.   NEBCutter2: For finding restriction...information, such as expression patterns, post-translational modifications and polymorphisms Codon optimization...
  2. Hot Plasmids and Viral Preps - July 2021

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    ...B) Strategy for leak-free transcriptional control. C) Iterative transduction workflow overview. Image ... by integrating a SL-insensitive fluorophore (LSSmOrange) as an internal control and a SL-sensitive fluorophore...fluorescent biosensor has a high sensitivity (50 nM-500nM range) and a high specificity for SLs in vitro, and they...
  3. New and Upcoming Viral Vectors - December 2019

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    ...expression, researchers often need to determine these transduction patterns empirically for their own experiments...calcium dynamics that govern such activities as neurotransmitter release is vital in studying neural networks...GP-AAV-CAG-FLEX-jGCaMP7s-WPRE 105714 AAV8 pAAV-Ef1a-fDIO-GCaMP6s Neurotransmitter sensors: Dopamine and norepinephrine Neuroscience...research relies on accurate monitoring of neurotransmitters and we are excited to offer AAV for the newest...
  4. Behind-the-scenes of the Isolation of the Thermostable IgnaviCas9 From a Yellowstone Hot Spring

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    Blog Post
    ...ahead of time included contacting YNP staff to arrange permits to visit places not accessible to the public...night was fun but also very tiring. It feels a bit strange to be using a micropipette and gloves at a campsite...similar to a type II-C Cas9 from Parvibaculum lavamentivorans, whose optimal growth temperature is 30°C. ...rRNA in bacterial RNA-Seq. This enriches for transcripts of interest without an increase in the number...
  5. New and Upcoming Viral Vectors - Spring 2019

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    ... sensor AAV GABA is the primary inhibitory neurotransmitter in vertebrates, but methods for directly imaging...GABA sensor (pAAV.hSyn-FLEX.iGABASnFR) has good membrane localization and brightness. The F102G variant... through imaging. Since it’s illuminated by red/orange light, Archon1 can also be used in conjunction ...pAAV-Syn-FLEX-rc [Archon1-KGC-GFP-ER2]) of this membrane-embedding voltage detector. Find Archon1 and its...
  6. A Tour of Addgene's Most Popular Pooled Libraries

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    ...Variations of this library allow tracking of transcription or chromatin accessibility at the single-cell... however, nuclease-dead Cas9 is fused to a transcriptional activator or repressor to create a reversible...Zhang lab developed this library of all human transcription factors, including splice isoforms, to allow...ExpRession Element. This library consists of broad host range regulatory sequences ready to be assembled with ...
  7. Comparing Cas9 to NgAgo: Can the Argonautes Best CRISPR?

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    ...in the cell. gDNA guides will also need to be transfected into the cells of interest. In contrast, RNA ...must be expressed from a plasmid or in vitro transcribed, and changes in gRNA secondary structure can ...removal RNA-guided CRISPR enzymes cause double-stranded breaks, with either blunt (Cas9) or staggered ...Cpf1) cleavage. NgAgo takes a different approach, randomly removing 1-20 nucleotides from the cleavage site...
  8. Extracurricular Activities for a Strong Science Career Path

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    Blog Post
    ...using multidisciplinary, collaborative, and translational approaches for scientific tool and technique...However, careers outside of the lab highlight “transferable” skills such as leadership, management, and ...to publication and acquisition of funding. If a grant committee is not convinced that your project is ...Leadership Networking University technology transfer office positions   Market analyses Patent...
  9. How Dry Ice Affects Viral Vector Sample pH & How to Avoid It

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    Blog Post
    ... However, the pH changes in our solutions are transient and return to normal once the tube is opened and...restored. We have no evidence to suggest that the transient change in pH affects AAV function. Furthermore...Furthermore, another study tested AAV infectivity after a range of pH exposures. They showed that AAV infectivity...MC, Fitchmun MI. Protein instability following transport or storage on dry ice. Nat Methods. 2013 Apr;10...
  10. The Power Behind NGS Plasmid Validation: seqWell

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    ...each sample remain highly normalized across a wide range of input DNA concentrations. This process is explained...plasmids on a plate) will typically have a wide range of input quantities. This variation is problematic...produced from large numbers of samples with a wide range of input concentrations (via proprietary chemistry...differences in input concentration across a 100-fold range (1ng – 100ng) are normalized to two-fold variation...
  11. Science Career Options

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    Blog Post
    ...can feel lost. Use this post to explore the wide range of careers available to scientists and open your...carry out in-depth research is applicable to a wide range of industries and is a highly desirable quality ...SAS, HTML, Matlab etc) are highly desirable in a range of roles, including: Science Reporter Technical... Statistician Bioinformatician Science Writer Grant Writer Journal Editor Science Marketer Software...
  12. Hot Plasmids - September 2019 - CRISPR, Auxin Inducible Degradation, MerMAID Channelrhodopsins, and Genome Looping

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    ...ubiquitin ligase, the Kanemaki lab was able to translate AID to yeast, as well as mammalian and human cell...PubMed PMID: 31026591. Expanding the targeting range of CRISPRCas9 by engineering SpCas9 Article contributed...are also thought to play a key role in the transcriptional regulation of many genes. A number of groups...thus far for these latter experiments, such as transcription factors tethered to dCas9, require long time...
  13. Quantifying DNA? Here are Five DNA Quantification Methods to Consider

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    Blog Post
    ...This method involves measuring the absorbance/transmission of light through a liquid to determine the concentration...spectrophotometer measures these absorbances using UV-transparent cuvettes. First you measure the absorbance of...PicoGreen or SYBRGreen, are specific for double strand DNA (as compared to spectrophotometric methods ...However, the measurements are made in the visible range and can be read with a standard ELISA reader if ...
  14. Using CRISPR/Cas9 to Edit Disease Out of the Genome

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    Blog Post
    ...editing system to correct the cystic fibrosis transmembrane conductor receptor (CFTR) by homologous recombination...Cas9 has been used to generate mutations in a wide range of organisms, but its potential to efficiently correct...Cas-based Gene Therapy in Human Genetic Diseases.” Theranostics. https://doi.org/10.7150/thno.43360 7. Yuxuan...
  15. The Crispr Babies Saga Shows the Need for Action, Not More Delays

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    ...possibility, safety, and efficacy of the mtDNA transfer options being investigated; A UK regulatory body...emerging IVF techniques designed to prevent the transmission of mitochondrial disease;” The Nuffield Council...upon a moratorium until another meeting, three branches – a private funder, government regulators, and...question we are left with is not “what is the translational pathway for CRISPR/Cas9 research” but whether...
  16. A Deep Dive into BioBuilder

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    ...lab uses cellular extracts to perform transcription and translation in vitro, and the new BioBuilder module...cutting-edge research projects in synthetic biology and transforms them into modules that students and teachers ...teams’ biological engineering designs and ideas ranged from a biological breathalyzer to pesticide breakdown...
  17. Luminescent Imaging with Nano-lanterns

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    Blog Post
    ...supplied with a luciferase substrate, the luciferase transfers energy to the FP, resulting in a fluorescent signal...luciferase has a low quantum yield, and when transiently expressed in cells, generates much less signal... principle of bioluminescence resonance energy transfer (BRET). Photons emitted by a Renilla luciferase... Nano-lantern color palette to include cyan and orange Nano-lanterns and showed that these three luminescent...
  18. Screening for Successful Genome Editing with Digital PCR

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    ...edit. Since exploitation of NHEJ to generate translational reading frame-altering indels for “functional... an unedited site distal tothe predicted double strand break, and a NHEJ/ “drop-off” probe designed to...to bind directly at the predicted double strand break site (Figure 2A). The single molecule resolution...PubMed PMID: 26914317. 4. Mock, U. et al. mRNA transfection of a novel TAL effector nuclease (TALEN) facilitates...
  19. Communicating Your Science With Help From ComSciCon

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    Blog Post
    ...next interview or whether your receive the next grant you apply for. After all, the only value your work...high level to their team.  When you're writing a grant, this means convincing a committee that your research...collaborating with colleagues in other fields or writing grant proposals to be reviewed by interdisciplinary panels...communities gather at ComSciCon's local and specialized franchise workshops throughout the year.  Find workshops...
  20. GCE4All: Making Genetic Code Expansion Accessible

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    ...factors can negatively impact both translation and fidelity of translation, leading to system-wide effects... incorporation of an unnatural amino acid in translation (Noren et al., 1989). In the late nineties, this...non-interacting with) the cells’ own natural translation machinery; these are often incorporated into ...
Showing: 581 - 600 of 982 results