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We narrowed to 724 results for: rel

Showing: 321 - 340 of 724 results
  1. The AAVantages of AAV in CRISPR Screens

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    Blog Post
    ... activation, and knockout. Most CRISPR screens rely on lentiviral systems, a fact supported by the wide...still beats lentivirus. In mice, AAV is almost entirely non-immunogenic — meaning when conducting in vivo...not integrate into the host genome. AAV instead relies mainly on episomal expression. Episomes are circular...It is important to note, however, that while AAV rarely integrates into the genome, CRISPR may increase...
  2. Fluorescent Proteins 101: Fluorescent Protein Timers

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    Blog Post
    ...of protein concentration. Calibration curves correlating this ratio to the total expression time can therefore...used to: Monitor dynamics of vesicle fusion and release from the plasma membrane by fusing various vesicle... situation where one wants to understand the relationship between the age of a cell, protein, or cellular...nascent tissues and the formation of limbs are correlated with changes in gene expression. In a developing...
  3. Plasmids 101: Optimizing Plasmid Yields

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    Blog Post
    ...good, high quality preps due to its endA1 recA1 relA1 genotype, as these mutations improve plasmid stability...Certain strains, including HB101 and derivatives, release large amounts of carbohydrates that can inhibit... a plasmid whose copy number is unknown, it is entirely possible that you are working with a low copy ...these factors are generally, but not perfectly, correlated. Typical growth times for high copy plasmids...
  4. Drew Endy Introduces the Biobrick Public Agreement Plasmid Collection

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    Blog Post
    ...parts have been carefully engineered to support reliable functional composition. In other words, these ...incredible hidden story here. The parts we are releasing simply plug into this existing economic activity...and to the design community: If you can begin to reliably put together 10-gene systems, what do you want...3 May 2013). Vivek Mutalik et al. "Precise and reliable gene expression via standard transcription and...
  5. Viral Vectors 101: The Retroviral Lifecycle

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    Blog Post
    ...tools in molecular biology. “Retroviruses” is an umbrella term which encompasses 1.) the gamma-retroviruses...After uncoating, reverse transcription follows the release of the two strands of viral RNA and of the viral...The genome of viral tools are often not virology related at all, and you will instead get expression of ...genome can direct the production, packaging, and release of progeny viral particles. And there you have ...
  6. Negotiating Work and Life: How to Find the Joy

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    Blog Post
    ... If you are miserable at home or work, your relationships will suffer in both the short run and the long...agree on before you get enmeshed in a serious relationship. #5 Thou shalt not sweat the small stuff The... make your life easier and to have more time to relax and be with friends and family. #7 Thou shalt create...swim lesson missed can mean a world of mental relaxation. And, I’m not sure I should put this in print...
  7. New CRISPR Tools: Cas7-11 and PASTE

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    Blog Post
    ...this information to identify a large variety of related bacteria with similar Cas systems. Some of these...knockdown efficiencies. The ability to identify related Cas systems opens up the potential of further development.... But they weren’t done engineering quite yet – surely, they thought, the integration rate could be improved...with mRNA and a synthetic guide. Like PRIME, PASTE relies on single-stranded nicks instead of the double-...
  8. Deciphering the Mysteries of Behavior with Viral Vectors

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    Blog Post
    ...integrating neuronal signalling and triggering release of the stress hormone norepinephrine to promote...are chemogenetically activated, norepinephrine release causes a freezing response, a form of immobility...study from 2014 (Bahi et al., 2014) supports the relevance of BDNF in depression. The researchers found that...neuroscience to reveal insights into the complex relationship between genes, neurons, and behavior. There ...
  9. Plasmids 101: Stringent Regulation of Replication

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    Blog Post
    ...All plasmids rely on their host cell's replication machinery in order to replicate—but not always to ...replication independently are said to be under relaxed control, as they only require the host's replication...replication (oriC), where initiation begins. This process relies on the initiation protein DnaA. First, DnaA must... chromosomal DNA ensure that the helicases are released from the DNA once the replication forks reach ...
  10. Data Freedom: The Expansion of Data Sharing in Research Publications

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    Blog Post
    ...researchers and publishers. Nonetheless, the initial release caused a storm as the organization left open the... data be stored in a retrievable format, we too rarely preserve “raw” data of any sort in a form that ...is important to my lab is three-fold. Firstly, we rely on many other labs to teach us how to do experiments...product. If we don’t take interest in how it is released, we will be in danger of having to deliver on ...
  11. Antibodies 101: Single Chain Fragment Variables (scFvs)

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    Blog Post
    ...to avoid animal use by using semi-synthetic or entirely synthetic VL and VH sequences. Phage display also...scFvs are also used for eye diseases, such as age-related macular degeneration (AMD) since direction injection...of the CAR facilitates signal transduction and release of cytotoxic granules from the T cell. When a CAR... CAR has an scFv that binds cancer-related antigens, binding of the scFv part of the receptor can activate...
  12. CRISPR 101: Off-Target Effects

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    Blog Post
    ...is low, but since all downstream experiments will rely on that clone not having any confounding mutations...sequencing The only way to quantify off-target effects entirely is to perform whole genome sequencing. While this...major con is that binding by Cas does not always correlate with catalytic activity at those sites, especially...and integrase-defective lentiviral vectors - which rely on insertion of DNA by the NHEJ pathway during DNA...
  13. RNA Interference in Plant Biology: New Tools for an Old Favorite

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    Blog Post
    ... of CRISPR technologies, one might incorrectly relegate RNAi to history. The straightforwardness of RNAi...2018) and the model bryophyte Physcomitrium (Physcomitrella) patens (Bezanilla et al., 2005; Nakaoka et...Klueh P, Quatrano RS (2005) An RNAi System in Physcomitrella patens with an Internal Marker for Silencing...2012) An Inducible RNA Interference System in Physcomitrella patens Reveals a Dominant Role of Augmin in...
  14. CRISPR 101: Multiplex Expression of gRNAs

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    Blog Post
    ...specific sites that allow them to be cleaved and released. These constructs tend to be smaller than constructs... If Csy4 is not expressed, the gRNAs cannot be released, adding temporal and/or spatial control to the...recognize the tRNA sequences, cleave them, and release the gRNAs. PTGs are assembled into a wt Cas9-containing...editing of six different genes. This system doesn’t rely on any additional or host-dependent factors and ...
  15. How to Deposit Your Plasmids with Addgene

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    Blog Post
    ...) after three years on hold, Addgene staff may release the hold unless otherwise requested. Distribute...assembled or theoretical — it does not have to be entirely verified by sequencing. Upload any support files...easier for other scientists to find information related to your plasmid. It is optional to include the ...and alternative name boxes as needed. Use the "Relevant mutations/deletions" box to describe any mutations...
  16. Designer PUF Proteins for Any RNA Target

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    Blog Post
    ...produced less reliable results. She also notes that for reasons that are not yet entirely clear some PUF...1;8(1):7. doi: 10.1186/1754-1611-8-7. PubMed.  Related Resources Addgene's Synthetic Biology Overview...
  17. CRISPR Protocol for Genomic Deletions in Mammalian Cell Lines [Video]

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    Blog Post
    ...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...
  18. Chemogenetics vs. Optogenetics: Which Method Should I Choose?

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    Blog Post
    ...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...
  19. The Open Repository of CRISPR Screens: CRISPR Screen Data in One Place

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    Blog Post
    ...treatment can browse through screens performed in relevant cell lines or conditions. This increased ease ...screen name takes users to a display page with the relevant metadata and the screen results. Screenshots updated...enzyme system, sgRNA library and other details relevant to screen result interpretation. The analytical...
  20. Viral Genome Sequencing - A One Stop Shop for AAV Identity and Serotype Confirmation

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    Blog Post
    ...preparation approaches described previously require a preliminary double stranding step. The double stranding step...preparations and showed that VGS can quickly and reliably confirm the identity of AAV genomes and detect...the Addgene blog Read all of our viral vectors related blog posts Read our blog post on AAV titers Browse...
Showing: 321 - 340 of 724 results