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We narrowed to 639 results for: des.2

Showing: 481 - 500 of 639 results
  1. Sharing is Caring: But How to Distribute Open Hardware?

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    ... high-priced commercial devices.     Fig. 2: Workflow for open software (left) vs. open hardware...provide the construction plans or CAD (computer aided design) drawings of their devices, which makes it very...has allowed the community to regularly replicate designs worldwide. Distributing hardware via globally established...similar way to the biological protocol, and assembly designs based around the use of commercially available ...users outside the project to modify the raw and design files, allowing the device to take on a community-driven...of work from universities and research centers provides a potential conflict between traditional IP-based...
  2. Plasmids 101: Yeast Vectors

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    Blog Post
    ...and are considered “high copy”. A fragment from the 2 micron circle (a natural yeast plasmid) allows for...element. This link provides a more extensive list of yeast auxotrophic markers and includes the associated...differ from the bacterial elements previously described. Why do scientists use yeast vectors? Yeast are... that come with working with prokaryotes. This includes but is not limited to: rapid growth, ease of replica...most commonly used selection markers in yeast and provides the element needed to overcome the auxotrophy ...
  3. Summer SciComm: Preprints

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    ... scientific communication ecosystem Figure 2: The scientific ecosystem, enriched by open access...been common in fields like math and physics for decades (see: arXiv.org), but have been only adopted by...course, preprints don’t replace journals and other modes of scientific communication. Researchers often post...to receive deposits of plasmids that have been described in a preprint. In fact, over 1,500 plasmids in...Depositing plasmids that were used in a preprint provides all the same benefits as sharing those plasmids...resources on the Addgene blog Summer SciComm Series: Modes of Communication Intro to Our Summer SciComm Series...
  4. Using CRISPR/Cas9 to Edit Disease Out of the Genome

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    ...cellular physiology.  https://doi.org/10.1002/jcp.30064 2. Barman et al. 2020. “A glance at genome editing with...ability to influence editing efficiency. In 2022, despite the increasing effectiveness of CRISPR/Cas9, scientists...
  5. Improving Transduction Efficiency with Exosome AAVs

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    ... enrich the microvesicles containing AAVs (Figure 2). Since the development of the exo-AAV isolation protocol...producer cells and purification protocols often describe a process that begins with cell lysis to release...
  6. 3 Challenges in Plant Synthetic Biology

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    ...and open a new conversation about GMOs.  Challenge #2: Technical obstacles to plant synthetic biology In...have been a model organism for plant research for decades, and the biochemical pathways involved in central...
  7. Back to Bacteria: CRISPR gRNA Multiplexing Using tRNAs

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    ...3570-5. doi: 10.1073/pnas.1420294112. Epub 2015 Mar 2. PubMed. Find the plasmids from this publication ...cleaved precisely as predicted with no addition of nucleotides to the 5’ spacers. The 3’ ends were modified ...advantage over other methods that favor certain nucleotides at the 5’ end. PTG construct schematics. Scissors...the plasmids made by Xie et. al are specifically designed for plant expression, PTGs will likely be adaptable...worries, I've summarized the three strategies described in this post in the graphic below - including ...
  8. Plasmids 101: The protein expression toolbox

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    ... level.     Fig. 2 Tetracycline on/off promoters and modes of action Check out Addgene's ...and SMASh degron tagging vector! Destabilizing domains Destabilizing domains (DD) are akin to degron ...post-translational level, unlike most of the other mechanisms described. Fig. 3 dTag mechanism of protein degradation...
  9. CRISPR/Cas9 FAQs Answered!

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    ...extraction solution, runs the protocol, then uses around 2–4 µl in each 50 µl PCR reaction. The gDNA extracted... early onset Parkinson Point mutations. Cell, 146(2), 318–331. https://doi.org/10.1016/j.cell.2011.06.019...template vector design guidelines? A7: A few notes below are considerations for designing HR donor. Generally...usually pick 3–6 guides around the region to find the most efficient guide (most guides would work, but... this ‘split RNA’ design is not as efficient in genome editing as the second design (in pX330/PX335), ... CRISPR plasmid tools and numerous experimental design decisions to make, it makes sense that scientists...CRISPR forum's most popular questions and answers. Designing your CRISPR genome editing experiment Q1: Should...
  10. A Practical Approach to Choosing the B(right)est Fluorescent Protein

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    ...closely mimicking the future application. In figure 2 we provide an example of the comparison of the practical...tables with fluorescent protein properties and provides a quick way to compare fluorescent proteins, e.g...been used in yeast by Lee et al (2013) and in nematodes by El Mouridi et al (2017) and Heppert et al (...practical brightness. Therefore, practical brightness provides a better picture of what can be expected in a ...
  11. 27 Hot Plasmids from 2016

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    ...recombineering (2) to simultaneously incorporate multiple single-strand DNA (ssDNA) oligonucleotides (oligos)...backbone, which expresses the gRNA from a Drosophila U6:2 promoter and Cas9 from the actin 5C promoter. Addgene...backbones for lentivirus LV 1-5 and retrovirus RV 2-5 were constructed. The authors then used GMAP assembly...number of tandemly expressed gRNAs respectively) and 2) the size of the deletion. Smaller deletions generally...relaxed gRNA design parameters. To demonstrate the effectiveness of their library design, Moffat laboratory... pCAG-T7-TALEN(Sangamo)-Destination series, pCAG-Golden-Gate-Esp3I-Destination Takashi Yamamoto pcDNA-TAL-NC2...vector, and besides being used for restoring strain prototrophy, can also aid in designing self-establishing...
  12. Why and how to start studying chromatin (with Addgene's help)

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    ...JS, Legube G, Miller KM Genes Dev. 2015 Jan 15;29(2):197-211. DNA Cross-Bridging Shapes a Single Nucleus... articles reporting chromatin-related research describe the production of plasmids that might be useful...colleagues and guest bloggers have written posts describing new methods and tools for studying chromatin ...
  13. Antibodies 101: Isotypes

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    ...IgM, IgD, and IgG are deleted.     Figure 2: Isotype switching requires DNA recombination of the...molecules are recruited by the antibody to help destroy and remove a pathogen. Different isotypes also ...well as the genes that encode those proteins are designated by the lower-case Greek letters μ, δ, γ, ε, and...
  14. Viral Vectors 101: Viral Vector Elements

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    ...available in the adenovirus section below!   Fig. 2 - Viral vector components of AAV Adenovirus Adenoviruses...promoter should flank this component as well. On both sides of this promoter-gene combo are two long terminal...Laboratory Press; 1997. Principles of Retroviral Vector Design. Available from: https://www.ncbi.nlm.nih.gov/books...
  15. Viral Vectors 101: Viral Applications

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    ...cellular responses in addition to antibody response 2) very high immunogenicity 3) and long-lasting immune...biology – they can deliver materials to specific destinations, haul a variety of cargo, and even handle a ...delivery of the actual virus to which immunity is desired. Instead, components of the virus are now delivered...
  16. Viral Vectors 101: Viruses as Biological Tools

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    ...PubMed PMID: 8491198. PubMed Central PMCID: PMC413431. 2. Bukrinsky MI, et al. “Active nuclear import of human...target cells and organisms, and when that cargo is designed to make you sick…well, you feel it. But the same...host genome or temporarily express whatever it encodes. This ability to infect cells with a high efficiency...
  17. Plasmids 101: Sequence and Ligation Independent Cloning (SLIC)

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    ..., but at a lower efficiency (~20%). Figure 2: Schematic of multicomponent assembly with SLIC. Multiple..., the use of LIC is often limited to specially designed plasmids. Sequence- and ligation-independent cloning...the “damage” and producing a complete plasmid. Besides being compatible with any vector, the SLIC protocol...
  18. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

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    ...higher quenching of mScarlet emission. Figure 2: Ace-mScarlet is a fusion between the voltage-sensitive...showing the potential for broad use. This kit is designed for use with acceptor vectors from the MoClo Toolkit...tracing Article contributed by Erin Sanders CreLite, designed by the Eisenhoffer lab, is a new tool that increases...
  19. Plasmids 101: Cre-lox

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    ..., N. and Hamilton, D. 1981. PubMed PMID: 6276558. 2. Site-specific DNA recombination in mammalian cells...using a resistance marker; however, it is often desirable to remove the marker after the initial selection... Combining this with some of the loxP methods described above, a genetic modification can be restricted...
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