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Showing: 201 - 220 of 769 results
  1. Quick Guide to Working with Drosophila Part 1: Getting Started with Flies

    Type
    Blog Post
    Published
    July 13, 2017, 2:30 p.m.
    ...case, the larva will metamorphose into its adult form. In all, it takes roughly 10 days for an egg to ...Some resources will direct you to the latest information about gene function, while others offer fly stocks...Flybase.org is absolutely essential. You can look up information about your fly gene using the search box in the... started. Any given gene’s webpage will have information on where the gene is expressed within the fly...website as well. Additionally, they have useful information on topics such as choosing the right balancer...
  2. Twenty Years of Addgene Sharing: CRISPR

    Type
    Blog Post
    Published
    April 18, 2024, 1:15 p.m.
    ...working day, including appropriate MTAs and customs forms. Of course, ordering the plasmids is the easy part...
  3. Plasmids 101: Degron Tags

    Type
    Blog Post
    Published
    March 14, 2024, 1:15 p.m.
    ...ligase complex. Finally, when auxin is added in the form of auxin hormone indole-3-acetic acid (IAA), the...behave with a new protein, but you can make an informed choice!   References and Resources References...
  4. Viral Vectors 101: Voltage Indicators

    Type
    Blog Post
    Published
    Jan. 30, 2024, 2:15 p.m.
    ...exogenously to measure a phenotypic response in the form of fluorescence or voltage indicators.   Viral... here!). The only issue with these GEVIs? They perform poorly in two-photon conditions, which are necessary...
  5. PITChing MMEJ as an Alternative Route for Gene Editing

    Type
    Blog Post
    Published
    Feb. 23, 2016, 3:30 p.m.
    ...MMEJ (microhomology-mediated end-joining)? MMEJ, a form of alternative end-joining, requires only very small...’s become clear that the power of this editing platform lies in the diversity of nucleases and their applications...
  6. Which Fluorescent Protein Should I Use?

    Type
    Blog Post
    Published
    May 20, 2014, 2:06 p.m.
    ...the two halves are in close proximity, they will form the full FP and fluoresce. Split FPs can be used...
  7. Antibodies 101: Immunoprecipitation

    Type
    Blog Post
    Published
    Dec. 7, 2021, 2:15 p.m.
    ...antibody-target protein immune complexes are allowed to form. Following incubation, beads are used to immobilize...-40 or triton-X, to preserve native protein conformations and interactions. For difficult to release proteins... in the lysis buffer, keep samples on ice, and perform the IP at 4oC. When choosing the capture antibody... recognizes the target protein in its native conformation. Frequently, the antibodies used for a standard... are completely removed. Wash steps should be performed even with a pre-cleared sample.  Eluting the target...and negative controls for an IP. When possible, perform the IP in parallel with both a sample known to ...order to identify any non-specific interactions, perform parallel IPs with beads only and an isotype control...
  8. Don’t FRET: Bimolecular Fluorescence Complementation Makes Visualizing Protein-Protein Interactions Easy

    Type
    Blog Post
    Published
    Aug. 27, 2020, 1:15 p.m.
    ...protein interaction partners (PIPs), the FP fragments form the complete FP because the PIPs they’re tethered...to bring them into close proximity (Figure 1). Formation of the complete FP results in a fluorescent signal...selection of FP fragments and, preferably, some information about the structures of the tested PIPs. Many...fuse the FP fragments. In the absence of this information, you can fuse each FP fragment to the N- and ...your results. Unfortunately, without structural information, constructing appropriate controls may requires...
  9. Hot Plasmids - August 2020

    Type
    Blog Post
    Published
    Aug. 18, 2020, 1:15 p.m.
    ...synthetic oscillator, bistable network, stripe pattern-forming incoherent feed-forward loop. Find the plasmids...systems at Addgene! Schematic of the evolution platform to generate TEV protease variants. Catalysis by...the right places, which can provide misleading information on where exactly a structure or protein is located...dissolved at a higher concentration, and results in uniform NB biotinylation. Once induced, the NBs could be...developed fluorescently labeled piggyBac vectors for uniform and sustained expression of single or multiplexed...
  10. Multiplexed Capture of Promoter-enhancer 3D Chromatin Structures Using CRISPR

    Type
    Blog Post
    Published
    July 2, 2020, 12:40 p.m.
    ...chromatin, the complex of DNA and proteins that forms chromosomes. These long range DNA interactions are... are often detected with chromosome conformation capture (3C) based methods, such as 5C or Hi-C (Han et...generated with current 3C methods provide useful information about chromatin interactions, they are grainy...for answering more questions about chromatin conformations. The Xu lab presented three ways to use CAPTURE... capture of chromatin interactions The Xu lab performed a proof-of-concept experiment to show that CAPTURE...original CAPTURE method. Both CAPTURE methods outperformed other 3D chromatin methods such as ChIA-PET ...is detection of temporal changes in chromatin conformation, like those that occur during development and...
  11. Tips for a 1st time AAV user (by a Rookie AAV user)

    Type
    Blog Post
    Published
    Oct. 23, 2018, 11:49 a.m.
    ...are required for proper packaging of AAV, but also form secondary structures that are prone to deletion ...and XmaI restriction sites). Another way is to transform AAV transfer plasmids into bacterial strains, ...found in the culture media, you should consider performing PEG precipitation. Instead of sonicating the ...
  12. Plasmids 101: Codon usage bias

    Type
    Blog Post
    Published
    Sept. 27, 2018, 1:09 p.m.
    ...choice, you should perform a functional assay to make sure your protein isn’t forming inclusion bodies ...
  13. New Tools Enable CRISPRa for Neuroscience Applications

    Type
    Blog Post
    Published
    July 2, 2019, 12:51 p.m.
    ...specify and assemble diverse arrays of neurons, forming the neuronal circuits that will later be refined...traditional cDNA overexpression: isoform-specific gene expression. Gene isoforms refer to mRNAs generated from...untranslated or coding regions. Typically, each gene isoform has a distinct transcriptional start site. Because...transcriptional start sites in order to better understand isoform-specific gene regulation — at least, more straightforward...straightforward than generating cDNA for each gene isoform individually. To highlight this advantage, they...neurons and synapses as well as long-term memory formation. The Bdnf gene possesses 9 distinct transcriptional...with CRISPRa, the Day lab singled out two Bdnf isoforms (I and IV) for investigation. Co-transduction ...
  14. CRISPR 101: Targeting RNA with Cas13a (C2c2)

    Type
    Blog Post
    Published
    Sept. 21, 2017, 2:07 p.m.
    ... in spacer acquisition following infection, as a form of “bait” to identify new CRISPR-associated proteins...target binding and cleavage through a series of conformational changes in the Cas13a molecule. Like Cas9, ...
  15. Designing Your Chalk Talk for the Academic Job Interview

    Type
    Blog Post
    Published
    March 12, 2019, 1:37 p.m.
    ...vision. Practice drawing and writing everything in a form that is easily visible from the back of the room... vision. Organize your vision into a chalk talk format. Practice. Define your research vision A chalk...find, and how you will interpret and use the information. In contrast, a list of experiments or a laundry...Organize your research vision into the chalk talk format Once you have developed your research vision, you...most of your limited speaking time. Beyond the information you seek to convey in your chalk talk, there'...
  16. CRISPR 101: Making a Knock-In Cell Line

    Type
    Blog Post
    Published
    Dec. 22, 2022, 2:15 p.m.
    ...location. HDR depends on resection at the break site to form ssDNA and uses the ends of the ssDNA to find a repair...increase HDR frequency by committing a break to performing HR before other factors were loaded onto the ...
  17. Negative Can Be Positive: Open AAV Data with Addgene

    Type
    Blog Post
    Published
    Sept. 6, 2022, 1:15 p.m.
    ...highlights the dearth of AAV vector information provided in openly accessible forms like publications. Why not ... two years testing and reformulating our AAV construct to optimize performance in our system and yet none...literature, and as a result can leave scientists under-informed with respect to how different serotypes, promoters...this one set of experiments didn’t provide any information on other important factors such as what is the...adjacent areas impacted the experiments we wanted to perform. It required a great deal of time and effort to...packaging viral particles (6), can influence vector performance. Open science initiatives, like Addgene’s Data...negative data and instead focus on getting this information out into the public where it can be utilized ...
Showing: 201 - 220 of 769 results