We narrowed to 791 results for: Cre
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TypeBlog PostPublishedOct. 11, 2016, 2:30 p.m.... optimized Cas9 variants have been created in an effort to increase translation in a particular plant ... the development of disease-resistant crops to increase agricultural yield (Wang et al., 2016; Wang et... the intervening region into the plant genome. Created with BioRender.com. In recent years, deaminase-mediated...Addgene carries several useful CRISPR toolkits for creating plant expression plasmids, including plant CRISPR...
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Plasmids 101: Gibson Assembly and Other Long-Homology Based Cloning Methods
TypeBlog PostPublishedMarch 1, 2016, 3:30 p.m....highly recommend watching this entertaining video created by our friends on the Cambridge 2010 iGEM team ...of homology at their ends, which are typically created by PCR. Then, the fragments are incubated together... homology between neighboring fragments can be created via PCR amplification with primers that contain...typically fairly high, so there is usually no need to screen a large amount of colonies. Excluding the time ...advantages that Gibson assembly does not such as increased efficiency, shorter incubation times, or the ability... -
Viral Vectors 101: AAV Variables That Matter
TypeBlog PostPublishedJune 1, 2023, 1:15 p.m....from Aschauer et al., 2013, Figure 1. Used under Creative Commons Attribution License. Within the nervous...can become methylated over time, resulting in decreased expression (Damdindorj et al., 2014; Nieuwenhuis...from Griffin et al., 2019, Figure 4. Used under Creative Commons Attribution 4.0 International License....vice versa. The total volume needed, however, increases with the size of the region you want to cover ... effects (e.g. recombinase-dependent vectors) increases with the amount of virus you add, so it is strongly... -
Plasmids 101: Dimers and Multimers
TypeBlog PostPublishedJan. 10, 2023, 2:15 p.m....generated by SnapGene software. Thanks to increasing affordability and accessibility, more researchers...by growing seed stocks at 30°C compared to 42°C. Screen multiple colonies to isolate the monomer Sometimes... 1984; Summers et al., 1993). In these cases, screening multiple bacterial colonies using one of the detection...DNA-forming sequences and WRN deficiency independently increase the frequency of base substitution in human cells... self-control and a sense of direction are the secrets of multicopy plasmid stability. Mol Microbiol. ... -
Plasmids 101: Repressible Promoters
TypeBlog PostPublishedDec. 20, 2022, 2:15 p.m....promoters and create sophisticated patterns of UAS-driven gene expression. To further increase the complexity...system into a repressible system, Gossen and Bujard created the tetracycline-controlled transactivator (tTA...bacterial operons. A chimeric transactivator, cTA, was created by fusing CymR to the activation domain VP16. cTA...state, and co-expression of the inducer QF can increase QUAS driven expression by ~3,300-fold in Drosophila... -
Finding Your Perfect Job After University
TypeBlog PostPublishedJan. 12, 2016, 3:30 p.m.... is a tumour suppressor. This summer role was incredibly valuable because it was a set duration of only...with the large scale data analysis, as this is increasingly reliant on programming skills which are not ...attempted was more meetings, but this simply seemed to create more bureaucracy. As with any large company (both...detection and diagnosis of different types of pancreatic cancer and highlighting which treatment would... mutations. This is a particular challenge in pancreatic cancer where one drug does not work for all patients... -
Celebrating the 2024 Nobel Prize in Chemistry
TypeBlog PostPublishedOct. 17, 2024, 1:15 p.m....understanding of how protein folding works and creating biological tools not found in nature. Dr. Baker... Figure 1: Top7 receives the Nobel Prize. Created with BioRender.com. Top7 gets its name from...approximate, two-dimensional map. The Baker Lab wanted to create a new fold that is not present in nature (at least...simply to be stable and novel, the principles that created it have been applied to numerous other protein ... -
CRISPR Cheat Sheet
TypeBlog PostPublishedJan. 27, 2021, 2 p.m....example) that are used to increase or decrease expression of a gene. Screen: A library of gRNAs with a...cell population. The resulting mutant cells are screened for phenotypes of interest. Limitations of CRISPR... -
Congratulations, Deck The Lab winners!
TypeBlog PostPublishedJan. 14, 2021, 1:30 p.m....annual Deck the Lab competition drew upon the creativity of the community, who delivered impressive science-themed... used an impressive variety of lab materials to create their decorations! Despite all the craziness of...first place in the home edition, the MicrobiGals created glow in the dark petri dish ornaments and microbe...December 23, 2020 In second place, Dr. Anne Madden created a microbe advent tree displaying over 25 archaea... -
Finding Your Science Policy Path
TypeBlog PostPublishedSept. 22, 2020, 1:15 p.m....Each path to science policy is unique and this creates a rich and diverse workforce. Out of all the career...QUESTION. Science policy is the work you do to creatively connect seemingly disparate individuals and ideas...also happen at the state and local level. The big secret about science policy that I didn’t learn until ...bring researchers to Congress to advocate for increased science funding and other issues. Whether you ... field where you have no specific scientific credentials. But before you even apply to that first science... -
Transferable Skills Guide: Teamwork
TypeBlog PostPublishedNov. 28, 2017, 2 p.m....my partner Mike and I split the work, shared the credit, and we both won accolades that would launch our..., the Senior Scientist who coordinates all kit creation and quality control efforts with depositors; .... We worked with Andrew, the team’s founder, to create a mission statement in the first few meetings and...becoming part of a team is a really good way of creating and strengthening those social bonds. So never...communication options. Addgene, along with an increasing number of academic labs, uses Slack constantly... -
Lambda Red: A Homologous Recombination-based Technique for Genetic Engineering
TypeBlog PostPublishedDec. 15, 2016, 3:57 p.m.... to screen for positive clones in most cases, and restriction enzyme digest can be used to screen plasmids...strand was degraded. Beta: Beta protects the ssDNA created by Exo and promotes its annealing to a complementary...recombination frequency between 0.1% to 1%, and can be increased to as high as 25-50% by designing oligos that ...recombination than dsDNA substrates, so you should screen more clones when using dsDNA. Have you used the... -
Sequencing Options for CRISPR Genotyping
TypeBlog PostPublishedOct. 4, 2016, 2:30 p.m....be used in concert with in silico prediction to create a more comprehensive list of off-target editing...of DSBs throughout the genome. However, their decreased sensitivity means that the best option moving ...with a focus on the ways science can be used to create a more just and equitable society. Read more at.... Bell, Charles C., et al. "A high-throughput screening strategy for detecting CRISPR-Cas9 induced mutations...Learn to Use Cas9 Activators Perform Genome-Wide Screens with CRISPR Generate Mouse Models with CRISPR/Cas9... -
Developing Transferable Skills During Science Training
TypeBlog PostPublishedJune 3, 2014, 2:14 p.m....paths. Check out Joanne's Reddit AMA Here are some concrete things you can do to develop those transferable...Manage a project involving multiple scientists, create and stick to timelines Be a mentor in a formal ...If opportunities don't exist in your department, create them and show your leadership skills too. Teach...are always excellent Technical knowledge and creativity Become a “thought leader,” develop a technical... -
Special Delivery: Fluorophore Targeting for FRET Studies
TypeBlog PostPublishedJuly 19, 2016, 2:30 p.m.... drug discovery by big pharma (i.e. HTRF and LanthaScreen) (Degorce et al., 2009), measuring intracellular...are critical in setting up a FRET-based assay or screen (the Addgene blog has an excellent primer on FRET... biomolecules each containing multiple binding crevices that can nonspecifically soak up your fluorophore...donors (Fig. 1). Scores of FP variants have been created, thereby enabling a broad spectrum of donor fluorescence...strategies. FRET experimental design lends itself to creativity and innovation, valuable commodities in any NIH... -
IBEX Knowledge-Base: A Data Resource for Multiplex Tissue Imaging
TypeBlog PostPublishedJune 8, 2023, 1:15 p.m....including Andrea Radtke, PhD, and Ziv Yaniv, PhD, have created the IBEX Knowledge-Base, a community repository...from the Zenodo dataset. Figure 2: Screenshot showing reagent entries with associated metadata...others in the IBEX community. Figure 3: Screenshot showing recent topics in the IBEX discussion ...when designing the IBEX Knowledge-Base, seeking to create an iterative process that is constantly becoming... -
Scientific Sharing in the Time of COVID-19: Databases and Resources
TypeBlog PostPublishedMay 12, 2020, 1:15 p.m....COVID-19 research? We decided to give it a try, by creating a service for COVID-19 researchers. So far, we...to researchers worldwide. “COVID-19 has spread incredibly fast and without any notion of national boundaries...-19. “Open scientific sharing is important for creating research synergies and accelerating the translational... but we believe that by coming together, we can create a significant impact on both clinical care and ... -
2023 and 2024: Reflections and Looking Ahead
TypeBlog PostPublishedJan. 23, 2024, 2:15 p.m.... The MORF library is only one of 22 libraries, created from 14 deposits, that became available through...would be remiss not to mention that 2024 is an incredibly special year for Addgene: it marks our 20th anniversary...twenty years while seizing new opportunities to create even greater value for the scientific community...every Addgenie, thank you for twenty years of incredible success, and for believing, as we do, that sharing... -
Selecting Your Plasmid Purification Kit
TypeBlog PostPublishedMay 27, 2025, 1:15 p.m....kit size, it may be tempting to try increasing your input to increase your output. But, exceeding a kit’...their relative qualities and quantities. Image created in BioRender.com. Transformation Grade DNA...that you are left with pure plasmid DNA. Image created in BioRender.com. For the clean-up stage, plasmid...kit. Do you want eco-friendly options? It’s no secret that labs produce a lot of waste. If you are looking... -
An Addgene Co-op: The Intersection of Fun, Friendship, and Work
TypeBlog PostPublishedJune 29, 2023, 7 p.m....within content and business. Joining the Addgene crew! This pattern was consistent: everyone I spoke ...One of the bigger projects I was tasked with was creating and sustaining a biweekly report of our social...coworkers and that trust then translated into this incredible experience. Of course, I wasn’t presenting to... research on loads of different best practices, create an email strategy, and make the occasional TikTok...