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We narrowed to 614 results for: cat.1

Showing: 321 - 340 of 614 results
  1. Hot Plasmids - May 2022

    Type
    Blog Post
    Published
    May 26, 2022, 1:15 p.m.
    ... Zebrafish) (Xiong, et al., 2021).    Fig. 1: Schematic showing the workflow for the BLITZ system...Biol. 2022. https://doi.org/10.1038/s41556-021-00836-1 Visual barcodes for live cell clonal multiplexing...of interest and, for in vivo work, generate a dedicated transgenic line. Using zebrafish as a model organism...off-target mutations. These plasmids contain catalytically inactive dCas9 and microbial SSAPs (dCas9-SSAP...clonal multiplexing of cells in live imaging application. Each visual barcode consists of a fluorescent...transcription response element (TRE) or kinase translocation reporters (KTRs). Find visual barcode plasmids...
  2. Suggest A Plasmid You'd Like to Find at Addgene

    Type
    Blog Post
    Published
    March 16, 2016, 5:30 p.m.
    ...to reach out to potential depositors in two ways: 1. Fill out our "Suggest a Plasmid" form Fill out the...suggestaplasmid, the name of the plasmid and a publication where we can find the plasmid. While we cannot...
  3. Plasmids 101: Inducible Promoters

    Type
    Blog Post
    Published
    Jan. 18, 2018, 2:34 p.m.
    ...Hsp70, the heat shock releases heat shock factor 1 (HSF-1), which subsequently binds to heat shock elements...prokaryotic promoter often used for bacterial protein purification. When arabinose is absent, regulatory protein...
  4. CRISPR/Cas9 FAQs Answered!

    Type
    Blog Post
    Published
    March 13, 2014, 4:08 p.m.
    ...new data). For general transfection, you could use 1 µl of 10 µM oligo stock for each well on 24-well plate...A10: The most we've tried to insert so far has been 1 kb. We used homology arms that were 800 bp long. Q11...able to cut). Clones without insertion will show a ~1 kb and ~7.5 kb fragment (both BbsI and AgeI will be...Mammalian Cells. Molecular and Cellular Biology, 18(1), 93–101. https://doi.org/10.1128/mcb.18.1.93  Ran...with the newest CRISPR technologies and their applications can be exhausting. A quick search for "CRISPR... the target site sequence (protospacer+PAM) is located? If there are other PAMs in the region, will they...puromycin selection. You could then confirm this purification by performing a genotyping assay (such as Sanger...
  5. All in a Twist: dsRNA

    Type
    Blog Post
    Published
    Feb. 2, 2023, 2:15 p.m.
    ...versions with toxicity to many organisms. Fig. 1: Exogenous sources of dsRNA Cellular sources of... 286-301 (2022). doi.org/10.1038/s41580-021-00430-1 More resources on the Addgene blog CRISPR 101: RNA...generate dsRNA as part of their infection and/or replication process within the host. dsRNA viruses are inherently...generate dsRNA intermediates as part of the viral replication process. dsDNA viruses yield dsRNA through a ...
  6. Gendered Innovations: Why Does Sex of the Cell Matter?

    Type
    Blog Post
    Published
    July 21, 2016, 2:30 p.m.
    ...healthcare system was $35.2 billion (or $140 per $1 invested in the trial). The goal of gendered innovations...is the goal of Gendered Innovations. This project: 1) develops state-of-the-art methods of sex and gender.... To remedy this, Shah et al. provide a table indicating the sex of the most commonly used cell lines ... work to be done! Researchers need to learn sophisticated methods of sex and gender analysis. Universities...
  7. Deep Dive: Statistical Tests (Comparisons)

    Type
    Blog Post
    Published
    March 7, 2023, 2:15 p.m.
    ... closely data points fall to each other (see Fig. 1). Alpha values – numerical risk allowance in a ...statistical test assumes your data follows. Fig. 1: Examples of comparable groups with and without equal...values from smallest to largest and ranking them (1 being the smallest value). It calculates the cut off...tests  Statistical tests fall into two general categories: parametric and non-parametric. In this blog ... exist somewhere within your data; it does not indicate which groups the differences exist between. For...that matter. However, this is oftentimes an oversimplification. If your independent variables are affecting...
  8. 5 Steps to Writing Grant Proposals for Grad Students

    Type
    Blog Post
    Published
    Feb. 11, 2014, 12:13 p.m.
    ... as a Professor. Step 1: Your PI forwards you a Request For Applications (RFA), what next? First,...proposal typically lists the deliverables, explains 1-2 potential pitfalls of the intended protocol, and...the grant application process. When my PhD advisor first asked me to write a grant application due the ...in a previously funded grant application to see how funds were allocated. Step 3: Get feedback from your...the next round of applications. Step 5: Keep writing! Each written grant application builds upon the ... project grant application" by the NIH Still want more information on the application process? What types...advisor alone applies for these competitive grant applications; however, in some cases, your advisor may choose...
  9. CRISPRainbow and Genome Visualization

    Type
    Blog Post
    Published
    Feb. 28, 2017, 3:30 p.m.
    ...all the colors of the CRISPRainbow. Figure 1: CRISPRainbow was used to track the localization of...is available as a kit from Addgene.   References 1. Chen, Baohui, et al. “Dynamic Imaging of Genomic ... every genomic locus, and to do so in vivo. Catalytically dead Cas9 (dCas9) cannot induce gene editing...Cas9 ortholog, and the target sequence must be located adjacent to that PAM. To scale up fluorescent CRISPR...this rainbow of colors, Ma et al. performed sophisticated tracking of multiple chromosomal loci in live... do not induce genome editing. If used with catalytically active Cas9, the short, CRISPRainbow gRNA will... PMCID: PMC3918502. Find plasmids from this publication at Addgene. 2. Ma, Hanhui, et al. “Multicolor...
  10. Plasmids 101: Golden Gate Cloning

    Type
    Blog Post
    Published
    Aug. 27, 2015, 2:30 p.m.
    ... the original plasmid (Option 1) or added using PCR-based amplification (Option 2). Advantages of Golden...Methods Mol Biol. 2014;1116:119-31. doi: 10.1007/978-1-62703-764-8_9. PubMed. More Resources at Addgene:  ... work around this is to "domesticate" your fragment: PCR-based amplification can be used to create silent...and exciting applications, this system is an incredibly powerful tool for cloning complicated constructs...Type IIS sites (such as BsaI or BbsI), that are located on the outside of the cleavage site. As a result...restriction sites that may not be amenable to "domestication", you might want to consider using an alternative...high-efficiency step. References: Sequential amplification of cloned DNA as tandem multimers using class-IIS...
  11. Hot Plasmids and Viral Preps - March 2021

    Type
    Blog Post
    Published
    March 23, 2021, 1:15 p.m.
    ...and accurately in a “single pot.’   Figure 1: Single-Pot Assembly: a) Graphic depiction of chromatin...AID system relies on a transport inhibitor response 1 (TIR1) expressed under a desired promoter with a specific...2021.   The potential tools fall into two categories: probes and editors. A probe array may consist...and should be varied as it can have important implications for the fusion protein effectivity), and a fluorescent...to visualize DNA, an editor targets DNA (via catalytically inactive dCas9) to modify chromatin. A fluorescent...both spatiotemporal protein degradation and quantification of this depletion using imaging-based measurements...BioTag, which can be used in protein affinity purification studies.    Duong et al., Genetics 2021. https...
  12. New FLIS Plasmid (April Fools 2022)

    Type
    Blog Post
    Published
    April 1, 2022, 1:15 p.m.
    ... plasmid-based system for locating and containing escaped flies. Nature 4:1-22. https://doi.org/4.01.2022...Additional resources on the Addgene blog:  Flies 101: Catching flies in the lab References Abril, U.N.O., et....
  13. The Future of Research Symposium Boston 2015

    Type
    Blog Post
    Published
    Oct. 20, 2015, 2:30 p.m.
    ...all of its successes, has many deep-rooted flaws (1). As we discovered through the four workshops at the... Follow David on Twitter @driglar.     References 1. Alberts, Bruce, et al. "Rescuing US biomedical research...University of Massachusetts Medical School. Graduate education programs are also beginning to address these issues...The panel discussion on Friday morning will be dedicated to Academic data and the Labor Market. On this...Sinche is a STEM career counselor, Director of Education for the Jackson Laboratory for Genomic Medicine...disease.  Outside the lab, he is interested in communicating science and in the intersection between science...
  14. Viral Vectors 101: Gamma-Retroviral Packaging Systems

    Type
    Blog Post
    Published
    Aug. 6, 2024, 1:15 p.m.
    ...additional flexibility in pseudotyping.   Figure 1: Genome of a prototypical gamma-retrovirus.    ...an SV40 promoter, and Neomycin selection.   Table 1: Gamma-retrovirus glossary Plasmid Type Element... be used interchangeably. Are γ-retroviruses replication incompetent? Yes, as with lentiviruses, the genes...
  15. Plasmids 101: Screening Strategies Used in Plasmid Cloning

    Type
    Blog Post
    Published
    Sept. 15, 2020, 1:15 p.m.
    ...screening blog post for more information.   Figure 1: Result of a blue-white screen. Image from Stefan ...Because Sanger sequencing can usually sequence just 1 kb of DNA, custom primers are especially helpful in... of the entire plasmid. Please note that NGS verification is more time-intensive than Sanger sequencing...
  16. CRISPR 101: Non-Homologous End Joining

    Type
    Blog Post
    Published
    April 16, 2015, 3:45 p.m.
    ...Last updated Sept 1, 2020. This post was contributed by David Wyatt and Dale Ramsden, UNC at Chapel Hill...the course of repair by NHEJ are typically small (1-10 bp) but extremely heterogeneous. There is consequently...Giovannangeli C, Jasin M, Brunet E (2014) Chromosomal Translocations in Human Cells Are Generated by Canonical Nonhomologous...
  17. Troubleshooting Your Plasmid Cloning Experiment

    Type
    Blog Post
    Published
    Sept. 24, 2019, 12:55 p.m.
    ...are working with is correct. It's also best to use 1-2 ug of the vector for digestion. PCR Design primers...plasmid; a starting point could be a molar ratio of 1:2 (plasmid:insert), but this parameter has to be optimized...constructs. His work was acknowledged in hundreds of publications including Cell, Nature, and other journals. ...
  18. Plasmids 101: The protein expression toolbox

    Type
    Blog Post
    Published
    Feb. 16, 2023, 7:05 p.m.
    ...introduced, they can deplete endogenous protein levels for 1-3 days. There’s also a CRISPR for that! CRISPR interference...more about them on our CRISPRa blog! Fig. 1 CRISPR activator and repressor mechanisms Want...interference (CRISPRi) targets a catalytically dead Cas9 fused to a transcriptional repressor to your ...
  19. CRISPR 101: Cas9 vs. The Other Cas(s)

    Type
    Blog Post
    Published
    Dec. 8, 2022, 2:15 p.m.
    ...main differences between Cas7-11 and Cas13 are 1). non-specific RNA cleavage and 2). cell toxicity. Cas7... targeting single stranded RNA.   Table 1: Fast facts on Cas family proteins and genome editing...a defined site to form a clean DNA break, Cas3 locates its target sequence and initiates single stranded... out large regions of DNA and has anti-viral application potential as a result. Fast facts – PAM requirement... has been proposed to be useful for the same applications (RNA knockdown, RNA editing, etc.). The main...
  20. How to Design Your gRNA for CRISPR Genome Editing

    Type
    Blog Post
    Published
    Sept. 24, 2020, 1:15 p.m.
    ...non-functional allele. For a 1 kilobase gene, since potential target sites occur ~1 in every 8 nucleotides,...770–788 . https://doi.org/10.1038/s41576-018-0059-1 Veres A, Gosis BS, Ding Q, Collins R, Ragavendran ...the optimal location. It is also important to have good information on the exact location of the TSS. ...appreciable levels of modification. Whole-genome sequencing of cells modified by CRISPR indicates that the consequences...specific base edit, or modulation of gene expression. Location and sequence are important considerations for ... gRNAs. For indels, it's not so important what location in the gene you target, but it is important that...fewer sequences to choose from). Finally, for HDR, location is much more important because you have to target...
Showing: 321 - 340 of 614 results