We narrowed to 781 results for: Por
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TypeBlog PostPublishedMay 4, 2017, 2:30 p.m....have been around since 2000 when Terskikh et al. reported the production of dsRed E5. This timer predictably... your experimental setup less cumbersome. 3. Portability across multiple systems Terskikh et al. showed...fluorescent timers that change color from blue to red report on cellular trafficking." Nature chemical biology...Chronology of islet differentiation revealed by temporal cell labeling." Diabetes 58.8 (2009): 1863-1868...
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Truncated gRNAs for Regulating Gene Expression
TypeBlog PostPublishedJan. 10, 2017, 3:37 p.m....suffers from several limitations. Perhaps most importantly, most Cas9 orthologs are less well characterized...(1, 3). The gRNA can be further modified by incorporation of an RNA hairpin, such as the MS2 hairpin, ...with nuclease-competent Cas9. An RNA hairpin incorporated into the truncated gRNA recruits a transcriptional...target site. Benefits of truncated gRNAs Importantly, the use of truncated guides has largely been... -
3D Printing Meets CRISPR Cas9
TypeBlog PostPublishedOct. 17, 2017, 12:55 p.m....this rarely happens. But if you ever have an opportunity to read one of these structure papers – while...function in the human body?” … and probably most importantly… "how do we know this?” Over the past fifteen... nuclease active site wasn’t even close to its reported cleavage site on the complementary DNA strand....model also displays the several Lys/Ala mutations reported by Ian Slaymaker and colleagues to reduce off-... -
SciComm: Taking Science to Elementary and Middle Schools
TypeBlog PostPublishedJuly 9, 2019, 12:52 p.m....has made strong efforts in the last 5 years to incorporate more science and technology into the school curriculum...presentation to their students. I didn’t think of this opportunity as coming from networking at the time, but that...presentation because, in my opinion, it was more important to communicate the applications of CRISPR over...use it? This last section was arguably the most important, and it was a little worrisome for me since bioethics... -
Isolating Genomic Regions of Interest with the CRISPR System
TypeBlog PostPublishedMay 30, 2019, 12:44 p.m....expression plasmid. Experimental use Since the initial report describing CRISPR-mediated purification of a specific...including Protein A, 1xFLAG, 2xAM, and HA have been reported, as well as affinity purification with an anti-Cas9...this technique, researchers have begun to make important discoveries in various biological fields. In 2015...chromatin immunoprecipitation (enChIP)." Scientific reports 3 (2013): 3171. PubMed PMID: 24201379. PubMed Central... -
Tips for arabidopsis transformation
TypeBlog PostPublishedOct. 25, 2018, 1:23 p.m....analyzable transgenic in hand, so it is pretty important to get this process right the first time. I’ll...to transform when they begin flowering. It is important to perform the transformation not long after flowering...cut off the primary inflorescence (the flowering portion of the plant) near the base of the stem. This buys...s time to select for transformants. It’s very important to select multiple T1 plants from each transformation... -
An Introduction to Adenovirus
TypeBlog PostPublishedOct. 3, 2023, 1:15 p.m....toward saying that host-virus interactions are an important part of the biology of adenoviruses (AdVs). AdVs... Although host-virus interactions likely seem important for any virus, we will see that they are very ...(Tollefson et al., 1996) – cell death has been reported when using vectors, and immune inactivation of...Adenovirus Tales: From the Cell Surface to the Nuclear Pore Complex. PLoS Pathog, 11(6), e1004821. https://doi.org... -
CRISPR 101: Making a Knock-In Cell Line
TypeBlog PostPublishedDec. 22, 2022, 2:15 p.m....typically require an exact DNA sequence to be incorporated at a precise genomic location, with little to...template for repair, which will result in the incorporation of your sequence, a.k.a a knock-in! So how does...higher HR frequencies than quiescent cells. It is important to know that HR is often mutated in cancer cells...molecule is used as the template, you need to incorporate homologous sequence to the right and/or left ... -
Better Dyeing Through Chemistry & Small Molecule Fluorophores
TypeBlog PostPublishedSept. 8, 2016, 2:30 p.m....transcyclooctene–tetrazine)– Nonnatural amino acids can be incorporated into a protein structure and then used with ...attach a fluorophore at the specific site of incorporation (Figure 1d). Fluorogen activating proteins...excess dye from the sample, which is particularly important for samples where washing is difficult, such as...inside living cells. We recently discovered that incorporation of four-membered azetidine rings could substantially... -
Interview: Hodaka Fujii on enChIP, New CRISPR Tools, and More
TypeBlog PostPublishedDec. 2, 2014, 7:23 p.m...., as well as the Editorial Board of Scientific Reports and PLoS One. Additionally, you are involved in...is being involved in the scientific community important to you and your lab? Fujii: I first knew Addgene...interact with each other, which is critically important, especially for young researchers. It was a really...technologies. Majority of them are eager to just "import" technologies developed abroad, so it's a little... -
An Inside Look into Addgene's Dev Team
TypeBlog PostPublishedJan. 23, 2020, 2:45 p.m....happening at Addgene under the hood. A significant portion of our development may not be visible to users ...but you have definitely reaped the benefits. We support everyone that works with Addgene in some way. For...the development process at Addgene. Diversity supports our innovation Our software development team is...are reusable software components that can be incorporated into software. You can think of these libraries... -
Viral Vectors 101: Pseudotyping
TypeBlog PostPublishedApril 20, 2021, 2:30 p.m.... envelope allows the lentiviral vector to be transported retrograde and also has higher neuronal transduction...rabies glycoprotein. The glycoprotein will be incorporated into the replicating rabies virus envelope, ... lentiviral vectors enables retrograde axonal transport and access to the nervous system after peripheral...0042 Takeuchi Y, Liong SH, Bieniasz PD, Jäger U, Porter CD, Friedman T, McClure MO, Weiss RA (1997) Sensitization... -
CRISPR 101: Any Base Transversion Editors
TypeBlog PostPublishedApril 1, 2025, 1:15 p.m....synthesis polymerase known to preferentially incorporate A bases across from abasic sites. This approach...collaborative team from the David Liu and Dali Li labs reported a similar tool shortly thereafter, using mouse...a template — in this case, encouraging it to incorporate a new base across from the abasic site before...Transversion Editors Read about four base editor reporters Resources on Addgene.org Browse CRISPR plasmids... -
Hot Plasmids Spring 2024
TypeBlog PostPublishedMay 23, 2024, 1:15 p.m....2024). They developed a new prime editor that incorporates La’s N-terminal domain, PE7 (Figure 2). PE7...high microglia-specific gene expression when incorporated in an AAV vector (Figure 5). Efficiency and ...including in human retinal organoids and live mice. Importantly, REVeRT avoids the introduction of extraneous...associated with viral vector-based therapies. REVeRT supports advanced gene expression regulation, enhancing... -
Plasmids 101: Broad Host Range Plasmids
TypeBlog PostPublishedApril 11, 2024, 1:15 p.m....methyltrophus, Methylococcus methanolicus, Methylosinus trichosporium, Myxococcus xanthus, Neisseria spp., Paracoccous...Paracoccus denitrificans, Pasteurella multocida, Porphyromonas gingivalis, Proteus mirabilis, Providencia spp...Xanthomonas campestris In addition to incorporating broad host range replicons, recombinant vectors...can be expressed. For example, scientists can incorporate interchangeable antibiotic resistance cassettes... -
Deciphering the Mysteries of Behavior with Viral Vectors
TypeBlog PostPublishedSept. 17, 2019, 12:40 p.m....Geneva (Creed et al., 2015) used optogenetics to support these existing findings by controlling neurons ... animal is placed into a tank of water with no support from below or anything to hold on to. In general..., 2007). A study from 2014 (Bahi et al., 2014) supports the relevance of BDNF in depression. The researchers...of viral vectors to fine tune gene expression temporally and spatially, exciting times are ahead for behavioral... -
What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program
TypeBlog PostPublishedMay 2, 2019, 12:41 p.m....number of systems that can be studied by providing support "for development of tools, approaches, and infrastructure...great for studying parenting strategies and make important ecological indicators since species live in water...Aiptasia - algae Breviolum minutum symbionts are important models for solutions to the coral reef crisis.... interesting biologically. They have economic importance as harmful weeds. The parasitic fusion is such... -
Hot Plasmids - November 2023
TypeBlog PostPublishedNov. 14, 2023, 3:35 a.m.... editing efficiencies in vitro and in vivo. Incorporating reverse transcriptase (RT) variants, PE6a and...., 2023, reused under CC-BY 4.0 License. Importantly, even commercial antibodies can be tethered on... more. For added precision, the authors also incorporated LOV-Turbo into TransitID experiments. Find ...in light-regulated LOV-Turbo enables precise spatiotemporal control of proximity labeling in living cells... -
Using Video to Share Your Science: We Share Science
TypeBlog PostPublishedNov. 3, 2016, 2:30 p.m....research. Open access journals also provide many opportunities. But these continue to rely on printed journal...years. Which leads to the question of how we can support researchers as they try to keep up with the growing...total view count and videos published, YouTube reported a total of 865,995 views for the 926 video abstracts...the video abstract genre offers a low-barrier opportunity for researchers to leverage the video medium ... -
CRISPR 101: Validating Your Genome Edit
TypeBlog PostPublishedNov. 3, 2022, 12:15 p.m.... in advance Before validating your edit, it’s important to know a few things about your target cells and...goal is to generate a clonal cell line, so it’s important to verify that you won’t need to screen hundreds...in silico prediction analyses like CRISPRitz or CRISPOR can help narrow down the list of sites where off... integration into the guide RNA selection tool CRISPOR. (2016) Genome Biol 17: https://doi.org/10.1186...