Skip to main content
Addgene
Showing: 41 - 60 of 224 results
  1. Plasmids 101: In-house NGS Plasmid Quality Control Now at Addgene

    Type
    Blog Post
    Published
    April 6, 2021, 12:30 p.m.
    ... NGS result to a reference sequence to confirm backbone elements.   Confirming the gene/insert by aligning...NGS result to a reference sequence like a known backbone sequence. We’re not necessarily expecting a perfect...mismatches in the origin of replication or other common backbone elements. Since we’ve successfully grown the plasmid...
  2. Nanoblades: Tiny CRISPR Ninjas for Genome Editing Difficult Cells

    Type
    Blog Post
    Published
    Sept. 26, 2019, 12:50 p.m.
    ...MLV)-like particles loaded with Cas9-gRNA ribonucleoproteins (RNPs). According to the authors, they named...but the researchers was able to edit hiPSCs, mouse bone marrow (BM) cells, primary human hepatocytes, and...viral-derived Nanoblades loaded with Cas9-sgRNA ribonucleoproteins." Nature communications 10.1 (2019): 45. ...
  3. Plasmids 101: 5 factors to help you choose the right cloning method

    Type
    Blog Post
    Published
    Aug. 21, 2018, 12:31 p.m.
    ... of the essence. This method requires a vector backbone containing a topoisomerase I cut site, toposisomerase...the topoisomerase I generated overhangs in the backbone. Once combined, the cut and ligation processes...out protocols for plasmid cloning Find vector backbones Read our molecular biology reference ...
  4. Avoiding the Dark Side of Fluorescent Protein Fusions with mOX FPs

    Type
    Blog Post
    Published
    Oct. 27, 2015, 3 p.m.
    ...modifications including glycosylation, disulfide bond formation, and proteolytic cleavage. FPs localized... cysteine residues form inappropriate disulfide bonds in the secretory pathway (Figure 1) [4,6–8]. Additionally...formation of inappropriate inter-chain disulfide bonds between FPs blocks Golgi complex-localized fusions...
  5. Plasmids 101: E. coli Strains for Protein Expression

    Type
    Blog Post
    Published
    Feb. 10, 2015, 3:06 p.m.
    ...track: Compatibility: Double-check your plasmid backbone and expression strain to make sure they are compatible...contain hydrophobic regions or multiple disulfide bonds may aggregate and become insoluble. These insoluble...below or browse Addgene’s collection of empty backbones.   Our Most Popular Plasmids 101 Posts: Origin...
  6. Using Phosphoserine to Study Protein Phosphorylation

    Type
    Blog Post
    Published
    June 23, 2016, 2:30 p.m.
    ...phosphomimetic mutation. This emphasizes the advantages of bona fide pSer-incorporation into recombinant proteins...interest (Figure 2). 1. The phosphoserine OTS The backbone of the phosphoserine OTS, Sep-OTS, contains the...using the PhosTag system (see below). This plasmid backbone can also be cloned with an ORF of interest for...
  7. Easi-CRISPR: Generating Knock-In and Conditional Mouse Models

    Type
    Blog Post
    Published
    April 5, 2018, 12:42 p.m.
    ...CRISPR machinery, Quadros et al. recommend ribonucleoprotein (RNP) complexes of Cas9 protein and the separated...alleles using long ssDNA donors and CRISPR ribonucleoproteins.” Genome Biol. 18 (2017) (1):92. DOI: 10.1186...Homology Directed Repair Learn about Cas9 Ribonucleoprotein (RNP) Delivery Resources on Addgene.org ...
  8. Deep Dive: Statistical Tests (Comparisons)

    Type
    Blog Post
    Published
    March 7, 2023, 2:15 p.m.
    ...to reduce false positives within a test.   The Bonferroni Correction and the Benjamini-Hochberg procedure...control for large numbers of comparisons. The Bonferroni does this by establishing a significance threshold...However, if many comparisons need to be performed, Bonferroni and Benjamini will greatly reduce family-wise...
  9. Plasmids 101: Modular Cloning Applications and Kits

    Type
    Blog Post
    Published
    May 14, 2024, 1:15 p.m.
    ...expressed from different plasmid backbones. They noted that backbone differences such as the order, or...used to assess how different lentiviral plasmid backbone elements impact viral titer and to compare different...
  10. CRISPR 101: Cytosine Transversion Editors

    Type
    Blog Post
    Published
    March 25, 2025, 1:15 p.m.
    ...chemically modify target bases without breaking the DNA backbone, making them efficient and precise tools for altering...from the target base and replaced it with a double-bonded oxygen. This simple enzymatic reaction enabled ...which incorrect nucleobases are removed from the backbone, creating abasic sites for further repair.   ...
  11. CRISPR 101: Cytosine and Adenine Base Editors

    Type
    Blog Post
    Published
    Feb. 13, 2025, 2:15 p.m.
    ...chemically modify DNA bases without breaking the DNA backbone, sidestepping the problem of HDR vs. NHEJ entirely...they purified HF-BE3 protein for delivery in ribonucleoprotein particles (RNPs) to both zebrafish embryos...editing Rees et al., 2017 HF-BE3   HF-BE3 and ribonucleoprotein delivery decrease BE3 off-target activity ...
  12. 15 Hot Plasmids from 2017

    Type
    Blog Post
    Published
    Jan. 9, 2018, 3:02 p.m.
    ...they purified HF-BE3 protein for delivery in ribonucleoprotein particles (RNPs) to both zebrafish embryos...components are provided in Golden Gate compatible backbones that can be combined with your gRNA and repair...been identified. In Rauch, et al. 2016 the Joseph Bondy-Denomy lab at UCSF identifes four proteins from ...
  13. Your Top Requested Plasmid in 2016!

    Type
    Blog Post
    Published
    Jan. 11, 2017, 8:47 p.m.
    ...peptides. PX459 This is the vector backbone. This particular backbone can be used to transfect a variety...
  14. Early Career Researcher Toolbox: Free Online Molecular Biology Tools

    Type
    Blog Post
    Published
    Sept. 12, 2023, 1:15 p.m.
    ...links can help you calculate how much insert and backbone you need for different types of cloning methods...method. You can select from five different insert:backbone ratios. In-Fusion cloning molar ratio calculators...
  15. CRISPR Challenges: Standardization and Homology Directed Repair

    Type
    Blog Post
    Published
    Feb. 14, 2018, 2:36 p.m.
    ...help you tackle the challenges of DNA repair (with bonus gRNA design resources.) Subscribe to CRISPR updates...biophysics can help enhance HDR. CRISPR 101: Ribonucleoprotein (RNP) Delivery The RNP delivery method consistently...
  16. In Vivo Biotinylation of Bacterial Fusion Proteins

    Type
    Blog Post
    Published
    Jan. 25, 2018, 2:09 p.m.
    ...amine-reactive biotin derivatives that generate covalent bonds with positively-charged amino acids. Unfortunately...create a plasmid based on the biotin ligase BirA backbone (Eric Campeau, Addgene plasmid #26624) was unsuccessful...
  17. Antibodies 101: Chimeric Antibodies

    Type
    Blog Post
    Published
    April 25, 2023, 1:15 p.m.
    ...parental antibody (blue, rat) are cloned into a backbone expressing the constant regions from an alternative... a specific antibody are cloned into a plasmid backbone containing all constant regions, just the heavy...
  18. Viral Vectors 101: Inverted Terminal Repeats

    Type
    Blog Post
    Published
    Oct. 19, 2023, 1:15 p.m.
    ...immediately outside of the ITRs in the plasmid backbone and do not properly assemble, but these sequences...PMID: 31914802. Savy, A., Dickx, Y., Nauwynck, L., Bonnin, D., Merten, O.-W., & Galibert, L. (2017). Impact...
  19. K. phaffii: Rising to the Occasion

    Type
    Blog Post
    Published
    April 4, 2023, 1 p.m.
    ...Number of chromosomes 16 3 4 Preferred carbon source Glucose Glucose Glucose, methanol,...meaning it can utilize methanol as its sole source of carbon and energy (as well as glucose or glycerol). K....
Showing: 41 - 60 of 224 results