Skip to main content
Addgene
Open Menu

Enter a sequence to perform a BLAST-based search of Addgene plasmid sequence databases.

In Category

We narrowed to 663 results for: Mal

Showing: 221 - 240 of 663 results

  1. The AAVantages of AAV in CRISPR Screens

    Type
    Blog Post
    Published
    Feb. 4, 2025, 2:15 p.m.
    ...of hundreds to tens of thousands of genes with minimal effort. The versatility of Cas effectors allows... the host genome. AAV instead relies mainly on episomal expression. Episomes are circular pieces of DNA... pool for downstream NGS and means you can use smaller volumes of your library for each experiment. Additional...to use variants of Cas9, like split Cas9, or a smaller Cas9 ortholog like SaCas9. You could even venture...

  2. Magnetic Control of Proteins: More than a Dream

    Type
    Blog Post
    Published
    Sept. 24, 2024, 1:15 p.m.
    ...Matsuoka et al., 2023), but these effects were very small or were possible only in non-biological conditions...slight but detectable change in fluorescence when a small magnet was passed over the sample (Frank Hayward...license. They did more experiments to see if any small molecules act as a cofactor (among others, flavins...clearly visible whether expressed in E. coli, in mammalian cells, or in purified form, and didn’t need any...

  3. PITChing MMEJ as an Alternative Route for Gene Editing

    Type
    Blog Post
    Published
    Feb. 23, 2016, 3:30 p.m.
    .... optimized the PITCh-gRNA for minimal off-target binding in mammalian genomes as assessed by CRISPR design... of alternative end-joining, requires only very small homology regions (5-25 bp) for repair, making it...similar to HDR, but it is accomplished using much smaller regions of homology, which facilitates easier cloning...

  4. The Effect of COVID-19 on Liu Lab Plasmid Requests From Addgene Data

    Type
    Blog Post
    Published
    July 16, 2020, 1:15 p.m.
    ...uncertainty estimates for each parameter, we added log-normal noise to each of the terms which make up our distribution...of the product of a Poisson and multivariate log-normal likelihoods. Effects of weekends, winter break... effects. Values are the inferred percentage of normal activity (the average rate of unique PIs/labs placing...lockdown), request activity appears to return to normal. The model fit these two discrete phases with an...

  5. DNA Purification Without a Kit

    Type
    Blog Post
    Published
    Feb. 11, 2020, 2:15 p.m.
    ... columns, it’s bound to glass syringe filters. Normally DNA does not bind silica or glass, but the addition... Starting material: plant, microbe, blood, or mammalian cells or tissue Product: total nucleic acids While...purify DNA and RNA from plants, microbes, blood or mammalian cells in 30 seconds or less without using a pipette...(2017). Nucleic acid purification from plants, animals and microbes in under 30 seconds. PLoS biology....

  6. INTEGRATE: Bacterial Genome Engineering Using CRISPR-Transposons

    Type
    Blog Post
    Published
    Dec. 7, 2020, 2:53 p.m.
    ...strongly biased towards T-RL, where the R end is proximal to the target site (Klompe et al., 2019, Vo et...pSPIN), which offer simple transformations for smaller cargos, and the ability to easily cure cells of...something called target immunity, whereby multiple proximal insertions with the same transposon exhibit reduced... R, Jiang Y, Yang J, Yang S (2020) Multicopy Chromosomal Integration Using CRISPR-Associated Transposases...

  7. AAVs CREATed for Gene Delivery to the CNS and PNS

    Type
    Blog Post
    Published
    Sept. 28, 2017, 2:01 p.m.
    ...produced from this plasmid pool are injected into an animal with cell-type-specific Cre, the polyA sequence...pre-designed primers. By using this library to infect an animal expressing Cre in a cell type of interest, a scientist...scientist can isolate DNA from the infected animal and use the pre-designed primers to determine which...about using AAV as a tool for gene expression in mammals. Subscribe to Viral Vector Blog Posts Additional...

  8. What’s in Your Tube?: A Quick Guide to Measuring DNA by Spectrophotometry

    Type
    Blog Post
    Published
    July 1, 2025, 1:15 p.m.
    ...accuracy    In many cases, small amounts of contaminants in your sample will have minimal impact on downstream... spectra across this range of wavelengths with maximal absorption at 260 nm (Figure 1A). Thanks to the...RNA (and vice-versa). Both RNA and DNA absorb maximally at 260 nm, so distinguishing between the two can...

  9. Great Results Start with Great Standard Curves

    Type
    Blog Post
    Published
    Aug. 15, 2024, 1:15 p.m.
    ...standard in their bicinchoninic acid assay (BCA) to normalize samples before running a western blot. Standard...increase the accuracy of the curve, avoid pipetting small volumes (< 2 µL) or volumes too large for a standard...with a higher concentration of standard or make smaller dilutions.        As mentioned above, it is a good...individual %CVs for each point on the curve. ‌The smaller the %CV, the more accurate the curve. Though it...

  10. Plasmids 101: Choosing an Antibiotic Resistance Gene

    Type
    Blog Post
    Published
    Oct. 10, 2023, 1 p.m.
    ...beta-lactamase is excreted. Satellite colonies are small colonies of bacteria which do not contain the plasmid... its associated resistance gene. They can grow proximal to a colony that does contain the plasmid that...other plasmids must carry both a bacterial and a mammalian antibiotic selection gene. However, it does require...Pros: Widely available, cost-effective, confers mammalian resistance to G418. Con: Slow transformation ...

  11. Viral Vectors 101: The Retroviral Lifecycle

    Type
    Blog Post
    Published
    July 27, 2023, 1:15 p.m.
    ...contact with every day (Prussin et al., 2015), only a small fraction typically cause disease. The gamma-retroviruses...most cases, interested in transferring genes to mammalian cells (i.e. transferring DNA), yet retroviruses...structure of a wild-type viral particle — and of the normal, replicative life cycle — can help you understand...express. In the case of a natural virus, this new chromosomal locus is considered “proviral DNA” (Rowe et al...

  12. CRISPR 101: Making a Knock-In Cell Line

    Type
    Blog Post
    Published
    Dec. 22, 2022, 2:15 p.m.
    ...dominant homology-directed repair (HDR) pathway in mammalian cells, but a less frequent DNA repair mechanism...suggestions. Disable the other repair mechanisms Mammalian cells have 2 primary repair mechanisms besides... HDR events compete with NHEJ-mediated edits of small insertions and deletions.   Start your knock-in...advances in CRISPR/Cas9-mediated knock-ins in mammalian cells. J Biotechnol., 16(4): 387-390 (2020). 10.1016...

  13. Tips for Screening with Yeast Two Hybrid Systems

    Type
    Blog Post
    Published
    Oct. 22, 2015, 2:30 p.m.
    ... experiments. False positives can occur even in small scale experiments, although these can often be accounted...target proteins in heterologous systems (e.g. mammalian proteins in S. cerevisiae). While this may ...alternative fungi (C. albicans, pC2HB) (7) and mammalian cells. If the problem is that your proteins are...for detecting protein-protein interactions in mammalian cells based on protein splicing. Anal Chem. 2001...

  14. How to Write a Scientific Review Article

    Type
    Blog Post
    Published
    Feb. 16, 2017, 3:30 p.m.
    ...from genome-wide studies, as well as results from smaller and more specific studies. I also did not limit...of the iceberg. For writers, this is probably “a normal day.” The way I broke this cycle was to just start...You will also begin to hate the article. This is normal and it means you’re on the right track!  Get feedback...deacetylases in B-and T-cell development, physiology and malignancy." Genes & cancer 6.5-6 (2015): 184. PubMed PMID...

  15. Supporting Reproducibility with a Connected ELN

    Type
    Blog Post
    Published
    Jan. 17, 2019, 1:38 p.m.
    ... The kind of informal conversations about research that can take place in Slack normally never become ...sources The data entered into an ELN is only ever a small fraction of all data directly relevant to a particular...experiment, series of experiments, or project. ‘Small’ data produced by the research group in spreadsheets...

  16. Beyond the Blood Brain Barrier: PHP.B Enters the Central Nervous System Via the LY6A Receptor

    Type
    Blog Post
    Published
    July 23, 2019, 12:46 p.m.
    ...tracks between strains of mice. This suggests that a small genetic difference between these two mice might ...generating a diverse library of AAV9 mutants that had a small randomized peptide loop inserted in the AAV9 capsid... Project. They focused their search on SNPs and small insertions and deletions (indels) most likely to...about using AAV as a tool for gene expression in mammals. Resources on Addgene.org Search for AAV vectors...

  17. QC Sequencing Technologies at Addgene

    Type
    Blog Post
    Published
    July 15, 2025, 1:15 p.m.
    ... NGS might not be the best choice for small sample sizes, small regions of interest, or complex sequences.... However, Sanger sequencing remains useful for small sample sizes and shorter regions due in part to ...raw sequencing data to FASTQ format, cleans and normalizes reads using the BBTools suite, and assembles ...

  18. CRISPR 101: Any Base Transversion Editors

    Type
    Blog Post
    Published
    April 1, 2025, 1:15 p.m.
    ... most common type of base excision repair. But mammals also have an enzyme to remove inosine from DNA:...particular species and more, base editors are getting smaller, more accurate, more efficient, and more diverse...precise, efficient A•T-to-C•G base editing in mammalian cells and embryos. Nature Biotechnology, 42(4)...editors for efficient T-to-G and C-to-G editing in mammalian cells. Nature Biotechnology, 42(10), 1538–1547...

  19. Bioinformatics at Addgene

    Type
    Blog Post
    Published
    July 14, 2022, 1:15 p.m.
    ...on each other for the entire package to run. The small, portable system provided by a container is sequestered... testing and refinements, we specified a select small number of input file names or filtered the input...of the inputs, such as the file name. We started small with a print statement and tested that the desired...working on one process at a time, and testing a small set of data each time a new process was added, we...

  20. Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus

    Type
    Blog Post
    Published
    Sept. 1, 2020, 1:15 p.m.
    ...vector like AAV? By breaking the transgene into smaller pieces. Reassembly of fragmented genomes is the...lower than expression of wild-type dystrophin in normal muscles, mice treated with the overlapping split...and acceptor sequences were tested and with the optimal sequences, the group achieved ~80% of muscle cells...application (Trapani et al., 2015).  Expression of smaller fragments of the transgene have been seen with ...
Showing: 221 - 240 of 663 results