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We narrowed to 854 results for: REN

Showing: 181 - 200 of 854 results

  1. RUBY-Red Siliques

    Type
    Blog Post
    Published
    March 1, 2022, 2:15 p.m.
    ...microscopy and beautiful imaging.   References and Resources References  He, Y., Zhang, T., Sun, H. et al...killing the untransformed seedlings or callus (undifferentiated plant cell culture), which is great for a ...desired plants! PCR or fluorescent markers are currently used in these situations to select against CRISPR...such as cacti and beets. Betanin belongs to a different chemical family than the red/purple plant pigments...it for selecting transformation events and am currently planning to use it to simplify my work with an...(Bottom panels) RUBY expression can vary from different transformation events likely due to insertional...lower expressing RUBY plant is a pale pink in transparent tissues, or in green tissues is slightly darker...

  2. Rewiring Metabolic Circuitry with CRISPR RNA Scaffolds [Video]

    Type
    Blog Post
    Published
    April 7, 2015, 4:21 p.m.
    ...of many complex cellular behaviors, such as differentiation or metabolism. Our attempts to manipulate these...genes or to introduce heterologous genes, but the trend of research has shifted in recent years toward tinkering...system for multidirectional control The CRISPR interference (CRISPRi) model consists of a catalytically ... multiplex control via scRNA design is readily apparent in metabolic engineering. The authors elegantly.... cerevisiae by using three RNA programs to differentially alter the levels of five genes that encode ...sequentially rerouted the metabolic flux to generate differently pigmented derivatives of violacein. Using dCas9...that will still recognize guide RNA but with a different dCas9 binding module, alternative sets of transcriptional...

  3. Extracurricular Activities for a Strong Science Career Path

    Type
    Blog Post
    Published
    Jan. 21, 2014, 3:08 p.m.
    ...available jobs, fields, and trends “Never Leave an Empty Seat” at conferences and seminars, as this is ... path to professorship. But recently a downward trend in funding and space in academic research labs has...traditional academic setting and to shape and strengthen interests and skills. Although the word “extracurricular...potential EAs and which professional skill sets are strengthened. This short list highlights the ubiquity of ...particular field of study Assess your interest in a different field Outreach activities (e.g. Volunteer...Marketing Communication Business models Conference or club organizer Management Leadership...know where graduate students and postdocs are currently getting hired? Let us know what topic you'd like...

  4. Using CRISPR/Cas9 to Edit Disease Out of the Genome

    Type
    Blog Post
    Published
    June 23, 2022, 1:15 p.m.
    ...seeing adoption of the technology in different labs for different applications.” Li’s team noted that ... genetic diseases, and several treatments are currently being tested in clinical trials. It is speeding...cells of patients with cystic fibrosis (8).   The difference with CRISPR/Cas9 in comparison to other genome...for selection and optimization. In addition, the current work in developing anti-CRISPR proteins aid the...possible through the use of nanoparticles. [6].    References 1. Zhang B. 2021. “CRISPR/Cas gene therapy.” ...at genome editing with CRISPR-Cas9 technology.” Current genetics. https://doi.org/10.1007/s00294-019-01040...its Application in Genetic Diseases: A Review.” Current pharmaceutical biotechnology. https://doi.org/10.2174...

  5. CRISPR 101: Off-Target Effects

    Type
    Blog Post
    Published
    Feb. 8, 2024, 2:15 p.m.
    .... Unfortunately, there really aren’t any effective off-target reference controls. Off-targets and your...they do arise. Happy CRISPR’ing! References and Resources   References Rabinowitz R, Offen D. Single-Base...effects should impact your experimental design differently. Yes, it is always better to reduce off-target...mutation, off-targets must be quantified slightly differently. For a comprehensive approach, RNA-seq would ...acknowledged as a potential limitation in a study. Strength in numbers If you assess your off-target frequency...to control for off targets as well as clonal differences. If you are performing CRISPR library screens... as a transfection or transduction control, a different gRNA would have distinct off-target sites, eliminating...

  6. Scientific Reproducibility - Focusing on Solutions at the Minisymposium on Reproducibility

    Type
    Blog Post
    Published
    May 18, 2018, 7:32 p.m.
    ...of the program beneath it. You can jump to the different time stamps in the description to watch any sections...precisely. You can find a great discussion of different types of replication in Nosek and Errington 2017...another’s reagents with the confidence that they aren’t simply doing an experiment wrong. However, even... a plate or running a gel have intricacies that aren’t always mentioned in static written protocols. It...scientific findings. This makes sense on many different levels - it’s hard to process large amounts of...to get a publication (for better or worse, the currency for success in academic research). Initial positive...review our experimental designs and we need to be transparent about the reasons we alter these designs if we...

  7. From Lab Bench to Leadership: Transitioning into Management as a PhD

    Type
    Blog Post
    Published
    Jan. 21, 2025, 2:15 p.m.
    ...skills that were quite different from mine. Learning to bridge those differences was a pivotal moment in...technical problems in the lab, management involves a different skill set: mentoring, setting strategic goals,... day-to-day details. Ignoring individual differencesManaging a team isn’t “one size fits all”. Each team...team member has unique motivations, strengths, and learning styles. For example, during my time as a lab...autonomously. Failing to recognize and adapt to these differences could have led to frustration, micromanagement...cohesive, productive environment. For example, in my current role managing a cross-functional team on a biomarker...team meeting to highlight their complementary strengths. By encouraging alignment on goals and clarifying...

  8. Viral Vectors 101: Biosensors

    Type
    Blog Post
    Published
    July 6, 2023, 1 p.m.
    ...imaging for advanced monitoring of different factors, in different or the same cellular location, all ...covered with packaging plasmids! References and Resources References  Bhalla N., Jolly P., et al. Introduction...biosensors provide quantifiable readouts for levels of different chemicals, hormones, proteins, etc., that you ...and zinc. These ion sensors can be targeted to different cellular locations or tissues depending on the...acceptor of a FRET pair on actinin will produce different signals based on changes to the structure of actinin...organisms, but AAVs make it possible. In AAV systems, different serotypes can be used to affect or determine viral...

  9. Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity

    Type
    Blog Post
    Published
    Nov. 5, 2019, 1:28 p.m.
    ...isolated from different organisms and engineered Cas9 variants that were able to target different PAM sites...activity of Sniper-Cas9 to different Cas9 variants using gRNAs of different lengths (Lee et al., 2018)...found in other species can recognize a variety of different PAM sequences. Researchers have also used experimental...specificity can target more sites. Created with BioRender.com. Specificity Specificity is the assessment...relative to eSpCas9 and SpCas9-HF across a number of different sites. Using a combined random and directed mutagenesis...choosing a Cas protein for your experiment. References Hu, Johnny H., et al. "Evolved Cas9 variants ...

  10. A Practical Approach to Choosing the B(right)est Fluorescent Protein

    Type
    Blog Post
    Published
    June 1, 2017, 2:30 p.m.
    ...performance under different imaging conditions (e.g. different emission filters) or different set-ups. Many...uptake by cells. To correct for this variation, a reference fluorescent protein that is expressed at an equal...be used. An assay developed in our lab uses a reference protein that is translated from the same open-...between the fluorescent protein of interest and the reference protein (Goedhart et al, 2011) allows for a precise... a set of fluorescent proteins (with the same reference protein) under identical conditions, a ranking...for co-expressing mTurquoise2 with mVenus as a reference protein is available from Addgene. Another way...

  11. Luminescent Imaging with Nano-lanterns

    Type
    Blog Post
    Published
    May 25, 2017, 2:30 p.m.
    ...Nano-lantern technology. Nano-lanterns contain a Renilla luciferase variant fused to an FP; when supplied...Solving the problems of low luminescence By itself, Renilla luciferase has a low quantum yield, and when transiently... first Nano-lantern, a fusion of a mutagenized Renilla luciferase (RLuc8) with Venus. This luminescent...resonance energy transfer (BRET). Photons emitted by a Renilla luciferase variant are used to excite the fused...technique’s versatility and adaptability to many different contexts. Improving Nano-lanterns In 2015, Takai...characterizing Nano-lanterns and eNL for many different applications. For long-term imaging, especially... for excitation, you instead have to rely on differences in emission wavelength. Filtering the emission...

  12. Tagging Optogenetics and Chemogenetics Receptors: Fluorescent Proteins and Other Options

    Type
    Blog Post
    Published
    May 11, 2021, 1:15 p.m.
    ...ganglia in movement disorders.   References and Resources References Armbruster BN, Li X, Pausch MH, Herlitze...GFP) and mCherry, two of the most common tags currently used, are approximately 240 amino acids in size...in monkey neurons, we next hypothesized that a different tag fused to the hM4Di might improve the transport...Surprisingly, we found that this small change made a big difference. Replacing the mCherry with the HA tag resulted...Overview of Affinity Tags for Protein Purification. Current Protocols in Protein Science 73: . https://doi....doi.org/10.1002/0471140864.ps0909s73 Additional references on the Addgene blog Browse Fluorescent 101 blog...Find more about the many types of protein tags References on Addgene.org Check out Addgene's Chemogenetics...

  13. Human Germline Editing Using CRISPR

    Type
    Blog Post
    Published
    Aug. 10, 2017, 2:19 p.m.
    ...any end goal not available with current techniques like PGD.  Reference Ma, Hong, et al. "Correction of...al. designed plasmids containing Cas9 and two different gRNAs, and electroporated them with an ssODN repair...editing through the NHEJ pathway. Created with BioRender.com. In later characterization studies, the ...Moreover, introducing new DNA seems impossible with current tools, thus quieting some fears about the creation...creation of “designer babies.” The differences in editing between iPS cells and embryos make a case for conducting...of such a treatment on top of the expense of IVF render this argument less convincing at present.   Another...embryos to only 60%? Unfortunately, given the differences between CRISPR repair in embryos and iPS models...

  14. New Tool for Lineage Tracing: The ClonTracer Library

    Type
    Blog Post
    Published
    Sept. 22, 2015, 2:30 p.m.
    ...replicates would have different labels - i.e. they would stochastically arise from different cells throughout...arise during treatment or are preexisting in the parent population prior to the start of treatment. They...They hypothesized that, if they labeled the parent cell population using the library, propagated it, separated...labels - i.e. they would always come from the same parent cells that represent the preexisting resistant ... determine using NGS because the error rate of current NGS approaches allows for a detection limit of ...up-front quickly. This approach is in contrast to the current treatment paradigm where resistant populations ...development of combination therapies.         References 1. Hyo-eun, C. Bhang, et al. "Studying clonal...

  15. FLEx Technology and Optogenetics: Flipping the switch on gene expression with high spatial and temporal resolution

    Type
    Blog Post
    Published
    Oct. 17, 2019, 12:28 p.m.
    ... use of several Cre transgenic mice targeting different brain areas enabled the drawing of a detailed ...the genOway press release for more information. References Abdallah, Khaled, et al. "Adeno-associated virus... delivery of Cre recombinase in mouse primary afferents." Scientific reports 8.1 (2018): 7321. PubMed ...for analyzing the neural circuits of behavior." Trends in cognitive sciences 15.12 (2011): 592-600. PubMed...Optogenetic approaches to study the mammalian brain." Current opinion in structural biology 57 (2019): 157-163...and Peter Hegemann. "Rhodopsin-regulated calcium currents in Chlamydomonas." Nature 351.6326 (1991): 489...conditional gene modification technology in the mouse." Current protocols in immunology 105.1 (2014): 10-34. PubMed...

  16. 9 tips for a successful postdoctoral experience

    Type
    Blog Post
    Published
    Oct. 9, 2018, 12:21 p.m.
    ...in with the current literature. Finally, if you give your talk or poster to enough different kinds of audiences... NIH, in the United States) Strong letters of reference that attest to your talent and expertise as a ...data needed to rule out alternative models or to strengthen your new model?  PFs need to be regularly thinking...Leader position applications require 3 letters of reference- the graduate school mentor, the postdoctoral ... and your research well. Who could fill these different roles? A second or third mentor. Therefore, seek...the job market. Additional mentors are not so different from having a thesis committee in graduate school...presentations and will be able to provide letters of reference, informal recommendations, more positive grant...

  17. Antibodies 101: Choosing the Right Isotype

    Type
    Blog Post
    Published
    April 6, 2023, 3 p.m.
    ...antibody for your application!  References and resources References Lu, Q. L., & Partridge, T. A. (1998... while polyclonal antibodies contain a mix of different isotypes and subclasses. They each have their ...of clones and thus the potential to bind many different sites on the target protein they tend to have ...polyclonal primary antibody contains a mix of different isotypes and subclasses, use a broadly reactive...secondary antibody binding and therefore the signal strength (Fig. 1). Monoclonal primaries If you do decide... be worth considering an antibody raised in a different species.      Table 1: Isotype considerations...targets, look for primary antibodies raised in different, and distantly related, species, and secondary...

  18. Open Resources and Plasmid Tools For Studying C. elegans

    Type
    Blog Post
    Published
    July 18, 2019, 12:55 p.m.
    ...collaboration. The field already has comprehensive reference pages and curated databases for scientists including...discussion on the best strategies and protocols for different experiments.  In this blog post let's take a ...atlas of every C.elegans  neuron. Scientists are currently doing this using two approaches: single-cell RNA-sequencing... peer-reviewed and assigned a DOI that can be referenced. In addition the data published in microPublications...embryonic genes are individually depleted via RNA interference (RNAi). Scientists monitor the effects of RNAi...RNAi using four-dimensional contrast interference (DIC) microscopy and computer imaging processing. The... back frequently for what’s new and popular! References Hammarlund, Marc, et al. "The CeNGEN Project:...

  19. Plasmids 101: In-house NGS Plasmid Quality Control Now at Addgene

    Type
    Blog Post
    Published
    April 6, 2021, 12:30 p.m.
    ...examine three things: Aligning the NGS result to a reference sequence to confirm backbone elements.   Confirming...deposited plasmids is to align the NGS result to a reference sequence like a known backbone sequence. We’re...through BLAST or by direct alignment to an NCBI reference sequence or a sequence provided by the depositor...synthesized regions that have no publicly available reference sequence or plasmids containing genes with many...the depositing laboratory confirms that these differences are expected and do not affect plasmid function...challenging to QC by NGS as they are often quite different from one library to another. They also differ ... Repository sometime soon. Stay posted!     References Guerin K, Rego M, Bourges D, Ersing I, Haery ...

  20. Meet an Addgenie: Insights into Grad School, Career Paths, and More

    Type
    Blog Post
    Published
    June 25, 2020, 1:15 p.m.
    ...My name is Lauren Flynn and I am currently wrapping up my co-op with Addgene as a DNA Sequencing Analyst...concepts that are heard often during undergrad. Lauren Flynn is the Addgenie behind our "Meet an Addgenie...and industry jobs. Since there are a variety of different career paths that don’t all need another degree...can have flexibility and be up to date with the current world. Bioinformatics it is.’” Though she misses...Shannon Rinaldi values loving what she does. Her parents told her that if she found something she loves ...-op. It has been so insightful to learn about different career paths, successes and failures, values, ... Lauren Flynn...
Showing: 181 - 200 of 854 results