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Showing: 341 - 360 of 505 results
  1. Protocol - How to Inoculate a Bacterial Culture

    Type
    Protocol
    ...Storage of Plasmids Recovering Plasmid DNA from Bacterial Culture Background Information Plasmids can carry...isolate your plasmid DNA from the bacterial culture by following Isolating Your Plasmid DNA . Antibiotic...copy regardless of plasmid size. See the plasmid's info page to determine if your plasmid is high or low ...resistance gene on a plasmids allows researchers to easily isolate bacteria containing that plasmid from bacteria...numbers of bacteria necessary to isolate enough plasmid DNA for experimental use. The following protocol ... low copy plasmids? The copy number refers to the number of copies of an individual plasmid within a single...number plasmids should only need to be grown for 12-16 hr on average. Certain features of a plasmid may ...
  2. Antibodies 101: Producing Recombinant Antibodies

    Type
    Blog Post
    ... great collection of ready-to-use rAbs and rAb plasmids!). Since recombinant antibodies conveniently allow...production, reliable expression, and easy distribution as DNA (Trimmer, 2020), you may be interested in using them...antibodies can be produced through a single or dual-plasmid transfection, depending on whether the heavy and...and light chain genes are contained to one plasmid or if they’ve been separated onto two. You’ll first...first transfect your cells with your plasmid(s), and then wait 7-14 days (in mammalian cells) to collect ...on the Addgene blog Introduction to Antibodies Plasmid-based Recombinant Antibodies Polyclonal Antibodies...
  3. Cpf1 Update: Comparison to Cas9 and NgAgo

    Type
    Blog Post
    ...distant cousins of well-known Cas9. Cpf1 cleaves DNA in a staggered pattern and requires only one RNA ... is well suited for genome editing.  Find Cpf1 Plasmids at Addgene   Image attribution: Zetsche...Biotechnol. 2016 Jun 6. PubMed PMID: 27272384 Find plasmids from this publication at Addgene. 2. Kleinstiver...Biotechnology (2016). PubMed PMID: 27347757. Find plasmids from this publication at Addgene. 3. Zetsche ....cell.2015.09.038. PubMed PMID: 26422227 Find plasmids from this publication at Addgene. 4. Makarova...Our CRISPR Guide Pages Check Out MpAgo from the Doudna Lab Find Validated gRNAs ...
  4. CRISPR 101: Validating Your Genome Edit

    Type
    Blog Post
    ... uses a 3rd sequencing trace file from the donor DNA. This method can precisely estimate editing frequency...clones. The drawback is that you must generate a DNA molecule with homology to your genome edit to mimic...Tools Read other CRISPR blog posts Find CRISPR Plasmids at Addgene  ...
  5. Plasmid Modification by Annealed Oligo Cloning (with Protocols)

    Type
    Protocol
    ...Restriction Digest of Plasmid DNA DNA Ligation Bacterial Transformation Summary Oligo overlap cloning can...anytime you need to add a short stretch of DNA to a plasmid, such as: Changing a Multiple Cloning Site...cut out the band containing your vector DNA. Gel purify your DNA away from the agarose using a commercially...Modify your plasmid MCS or add short sequences using oligo overlap cloning. Protocols... Protocols Plasmid Modification...Modification by Annealed Oligo Cloning Plasmid Modification by Annealed Oligo Cloning You may also like... Restriction...
  6. Synthetic promoter AAVs for cell-type specific expression in retinal cells

    Type
    Blog Post
    ...epigenetic analysis and designed using stretches of DNA that were transcriptionally active in retinal cell... GFP marker (CatCH-GFP). The lab deposited AAV plasmids containing the active promoters at Addgene. Performance...of the retina.  Find the AAV synthetic promoter plasmids! Comparing synthetic promoters performance in ...blog posts Resources at Addgene.org Find AAV plasmids Find ready-to-use AAV viral preps Browse all viral...
  7. Viral Vectors 101: Biosensors

    Type
    Blog Post
    ...receptor could be something like an antibody, enzyme, DNA, etc. The receptors job is to generate a quantitative...genetically encoded, and luckily, we have pre-designed plasmids for these systems! Ion sensors One common biosensor... vehicle, we’ve got you covered with packaging plasmids! References and Resources References  Bhalla ...
  8. Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity

    Type
    Blog Post
    ...Visit our CRISPR plasmids and resources page Read our CRISPR guide Find CRISPR plasmids for mammalian systems...Cas9 variants with broad PAM compatibility and high DNA specificity." Nature 556.7699 (2018): 57. PubMed ...relative to Cas9. Since then, the Joung and Jennifer Doudna Labs used targeted mutagenesis to generate hyper...example is CasX, characterized by the Oakes and Doudna Labs, which is both small and potentially less ...
  9. Top Requested Lentivirus and AAV of 2016

    Type
    Blog Post
    ... Cas9 nuclease, which introduces double stranded DNA breaks, can be expressed from lentiCas9-Blast. Purpose...typically express Cas9 and a gRNA from the same plasmid. LentiCas9-blast virus can be used to generate ...with a single-vector system). Tips for using this plasmid Cas9 expression is typically cytotoxic, which makes...
  10. Pooled CRISPR Libraries Offer Genome-Wide Control for Large-Scale Functional Screens

    Type
    Blog Post
    ...Konermann, the first generation of CRISPR-Cas9 plasmids were not designed with gene activation in mind...tetraloop and stem-loop 2; 3. The MS2-P65-HSF1 plasmid which expresses the activation helper protein. ...structure of Cas9 in complex with guide RNA and target DNA. Nishimasu H, Ran FA, Hsu PD, Konermann S, Shehata...
  11. Proximity Labeling: A Powerful Tool for Protein Complex Purification and Proteomic Mapping

    Type
    Blog Post
    ... resources on the Addgene blog Plasmid 101 Protein Expression Plasmid 101 Biotinylation Other resources...vivo studies (Che and Khavari, 2017). Find APEX plasmids at Addgene! Since the development of BioID and... biotin ligase from A. aeolicus, which lacks the DNA-binding domain (233 amino acids) found in the E. ... specific locations in the cell.   Find BioID2 plasmids here APEX2: A more sensitive ascorbate peroxidase... They named this mutant APEX2.  Find the APEX2 plasmids! TurboID and minturbo: Rapid and non-toxic proximity...allowing for more precise temporal control.  Find plasmids for TurboID and miniturbo Split-BioID: A conditional...streptavidin and separated via flow cytometry.  Find plasmids for EXCELL here! Since BioID was developed in ...
  12. Plasmids 101: Repressible Promoters

    Type
    Blog Post
    ...Tet-Off system.  For more information on Addgene Tet plasmids, see our Tetracycline resource page. Cumate Switch...binding to the lexA operator (lexAop). Fusing the LexA DNA-binding domain (DBD) to GAL4 or VP16 activation domain...20697123. PubMed Central PMCID: PMC2942869. Find plasmids from this publication at Addgene. del Valle Rodriguez...20434990. PubMed Central PMCID: PMC2883883. Find plasmids from this publication at Addgene. Wei, Xing, ...22406855. PubMed Central PMCID: PMC3846601. Find plasmids from this publication at Addgene. Riabinina, ...25581800. PubMed Central PMCID: PMC4344399. Find plasmids from this publication at Addgene. Riabinina O...Hill, C. et al. A LexAop > UAS > QUAS trimeric plasmid to generate inducible and interconvertible Drosophila...
  13. CRISPR Guide

    Type
    Collection
    ...purify specific regions of DNA, image DNA in live cells, and precisely edit DNA and RNA. The ease of generating...Browse Plasmids: RNA Targeting , RNA Editing Degrading DNA with Cas3 Rather than initiating DNA cleavage...-stranded DNA plasmid. Small ssDNA oligos often work well for small edits like a single-point mutation...homology with the target DNA. Once the Cas9-gRNA complex binds a putative DNA target, the seed sequence...will begin to anneal to the target DNA. If the seed and target DNA sequences match, the gRNA will continue...strands of the target DNA. This results in a double-strand break (DSB) within the target DNA, located ∼3–4 nucleotides...of target DNA. Cas9n increases target specificity. Since two nickases targeting opposite DNA strands are...
  14. CRISPR 101: Cas9 Nickase Design and Homology Directed Repair

    Type
    Blog Post
    ...In this post, we’ll summarize how IDT (Integrated DNA Technologies) first demonstrated how CRISPR nickases...Check out CRISPR Topic Page Find CRISPR Nickase Plasmids Browse the CRISPR Guide ...insertions (long ssDNA; IDT Megamer® ssDNA Fragments) Test both bottom and top strand ssDNA donors (if possible...longer insertion (mCherry) using IDT Megamer long ssDNA with 100 nt homology arms. Schubert and Yan next...
  15. AAV Production in HEK293 Cells

    Type
    Protocol
    ...of each plasmid needed to have a 1:1:1 molar ratio with 2 mg total DNA per CS5 Plasmid Plasmid Size (bp... each plasmid DNA into the bottle containing the Opti-MEM. Mix well. Add 4 mL of PEI (1:2 μg DNA to μg...conditions must be optimized. Plasmids for transfection: pHelper; pRC (Rep-Cap), plasmid expressing your gene ...(bp) DNA Concentration (μg/μL) Volume of DNA (μL) RepCap 7,265 1.00 727.6 pHelper 11,854 1.00 1,185 Transfer...Transfer Plasmid 5,842 1.00 584.2 Total bp 24,961 In total, we would like 2 mg of DNA or 2000 μg. Using...molar ratio of each plasmid: 2000 μg / 24,961 bp = 0.08 μg/bp Therefore, for each plasmid we need: Sample ... the total number of base pairs from all three plasmids, we can determine the total μg/bp we need to achieve...
  16. Split Fluorescent Proteins for Studying Protein-Protein Interactions

    Type
    Blog Post
    ...popular split-FP plasmids from our catalog to help you find the right split-FP plasmid for your experiment...below, and click the Article link to find all the plasmids from the associated paper:   Color Base FP...Constant rate of p53 tetramerization in response to DNA damage controls the p53 response. Gaglia G, Lahav...and experimental design. We hope you find these plasmids useful. Good luck, and happy experimenting! References...
  17. CRISPR Plasmids - Bacteria

    Type
    Collection
    ...efficiency than NHEJ. ID Plasmid Gene/Insert Promoter PI Publication Browse CRISPR Plasmids By Function Genome...cytosine base editor that can alter DNA bases without inducing a DNA break. Cytosine base editors convert...gRNA expression plasmid to target the dCas9-activator to your specific locus. ID Plasmid Gene/Insert Promoter...gRNA expression plasmid to target the dCas9-repressor to your specific locus. ID Plasmid Gene/Insert Promoter... purify a region of genomic DNA and its associated proteins, RNA, and DNA. The enCHIP system uses an anti-FLAG...with a wide variety of Cas-containing plasmids. ID gRNA Plasmid Promoter Cloning Enzyme(s) Validated In...Ampicillin none, need Cas9 plasmid Qi Do you have suggestions for other plasmids that should be added to ...
  18. General Transfection

    Type
    Protocol
    ...therefore, plasmid DNA purification should include an endotoxin removal step. For high quality plasmid DNA, ...to the diluted DNA. Add the diluted PEI dropwise while gently flicking the diluted DNA tube. Incubate ...possible range of ratios to test: Ratio of DNA:PEI Amount of DNA (μg) Volume of 1 mg/mL PEI (μL) 1:1 18.9...protocol to transfect mammalian cells with your plasmid of interest. Protocols...25 mM chloroquine diphosphate. Dilute 18.9 µg of DNA into 500 µL of Opti-Pro SFM. Pro-Tip Endotoxins can..., the plasmid should also be propagated in an endonuclease negative E. coli strain such as NEB stable....is prepared, transfect cells with a fluorescent plasmid using a variety of ratios. Check the cells 1–2 ...
  19. Transfection for Recombinant Antibodies

    Type
    Protocol
    ...meter Reagents HEK293 cells Recombinant antibody plasmid DNA 500 mL vented flask 50 mL conical tubes Microcentrifuge...Transfer the PEI-MAX and recombinant antibody plasmid DNA sample to the biosafety cabinet and incubate ... cabinet. Add 180 µg of recombinant antibody plasmid DNA to one tube of 6 mL BCD TFX. Cap the tube and...Recombinant Antibodies You may also like... Antibody Plasmid Collection Antibodies Blog Posts Molecular Biology...suspension HEK293 cells with recombinant antibody plasmids using Polyethylenimine Max as a transfection reagent...General Considerations For antibody-expressing plasmids containing the SV40 origin of replication use ... SV40 large T antigen. For antibody-expressing plasmids containing the Epstein-Barr virus origin of replication...
Showing: 341 - 360 of 505 results