Skip to main content

We narrowed to 498 results for: plasmid dna

Showing: 361 - 390 of 498 results
  1. Lentivirus Production

    Type
    Protocol
    ...Transfection grade DNAs: Lentiviral Packaging plasmid(s), Envelope plasmid, and Transfer plasmid encoding your...therefore, plasmid DNA purification should include an endotoxin removal step. For high quality plasmid DNA, ...transfection plasmids into OptiPro SFM: Reagent Amount per 10 cm dish* Packaging Plasmid ( psPAX2 ) 1.3...1.3 pmol Envelope Plasmid ( pMD2.G ) 0.72 pmol Transfer Plasmid* 1.64 pmol OptiPro SFM to total volume...volume 500 μL *Plasmid concentrations and ratios should be optimized for each transfer plasmid. Pro-Tip Endotoxins...dCas9-KRAB (total μg of plasmid DNA 27.8 μg), this would be 83.4 μL of 1 mg/mL PEI in 416.6 μL of OptiPro...the diluted DNA mixture. Add the diluted PEI dropwise while gently flicking the diluted DNA tube. Incubate...
  2. Protocol - How to Streak a Plate

    Type
    Protocol
    ...for DNA purification will minimize the chance of having a mixture of plasmids in your purified DNA. This...Agar Plates Bacterial Transformation Recovering Plasmid DNA from Bacterial Culture Introduction If you have... stab culture of bacteria and need to purify plasmid DNA from it, you will want to isolate an individual...single colonies, you can proceed to Recovering Plasmid DNA or use the individual colonies for other experiments...antibiotic. Label the bottom of the plate with the plasmid name and the date. It is also a good idea to add...overnight (12-18 hours) at 37 °C. Pro-Tip Some plasmids or bacteria need to be grown at 30 °C instead ... 37 °C. This is often true for large unstable plasmids, which sometimes recombine at 37 °C. Be sure to...
  3. Video Library

    Type
    Protocol
    ...Storing and Handling Addgene Plasmids What to do after you receive your plasmids from Addgene Instructions...Protocol Purifying DNA from an Agarose Gel Gel purification allows you to isolate and purify DNA fragments based...electrophoresis, you can cut DNA bands out of the agarose gel and purify the DNA samples. This is a commonly...Protocol Diagnostic Restriction Digest Verify a plasmid using restriction enzymes Diagnostic Restriction...Instructions for Storing and Handling Plasmids Genomic Deletions with CRISPR Generate genomic deletions in mammalian...Transformations We walk you through a standard plasmid transformation protocol and offer some tips and...the standard laboratory procedure for separating DNA by size for visualization and purification. Agarose...
  4. Fluorescent Proteins 101: Green Fluorescent Protein (GFP)

    Type
    Blog Post
    ...taken up the plasmid. This can serve as an alternative to antibiotic selection. Plasmids of this type .... Scientists can easily utilize GFP-containing plasmids as a means to many functional ends. We’ve listed...each protein or domain being tested. Find FRET plasmids here. Split EGFP: An alternative to FRET, split... marking/selection: Expression constructs like plasmids often include GFP as a marker to help identify...nude mice in cancer studies, act as a reporter for DNA double strand break repair, and to label pathogenic...techniques in fluorescent microscopy. Read More: All Plasmids 101 Articles Addgene's Fluorescent Protein Guide... plasmids 101...
  5. CRISPR-based Genome Editing Systems For Editing in E. coli

    Type
    Blog Post
    ...sequence in pEcgRNA. Next both plasmids are transformed in E. coli with the donor DNA for editing to take place...beneficial for plasmid clearance. It is more convenient to update the spacer(20nt) on pEcgRNA plasmid as only.... pCutamp cures the plasmids by targeting the ampR promoter in all three plasmids. pCutamp is then removed... 13 plasmids with 14 rounds of transformation in 30 days. Figure 2: (A) MUCICAT plasmids for ... original pCas/pTargetF system consists of one plasmid that expresses the S. pyogenes Cas9, a temperature-sensitive...the pTargetF construct and then introduce both plasmids into the cell. The edit in the chromosome can ...the pMB1 replicon, resulting in cutting of the plasmid. At this point, subsequent introductions of pTargetF...
  6. Celebrating 15 Years of Scientific Sharing

    Type
    Blog Post
    ...the challenges of DNA distribution to ensure scientists everywhere can access plasmids despite the evolving... that is something to recognize! Distributing plasmids, viral service, and more For the first time ...to worry about succeeding at our core mission. Plasmid distribution is amazingly still growing at >9% ...Addgene Resources on the Addgene website Find plasmids for your research  Learn about our viral service...
  7. Plasmids 101: Secondary Nanobody Toolbox

    Type
    Blog Post
    ... How to Use the Nanobody Toolbox Find Nanobody Plasmids Structural comparison As the name suggests, ... Species Antibody Subclass Nanobody Addgene Plasmid Rabbit N/A* TP897 pTP1183 (1x cysteine) pTP955...Nanobody In Bacteria: Table 2 also has a link to the plasmid you’ll need to express your nanobody of choice ...column. bdNEDP1 protease can be generated using plasmid pDG02583. Label the Nanobodies: Purified nanobodies...Journal of Cell Biology. PubMed PMID: 29263082 Find plasmids from this publication at Addgene. 2. Bates, M...23495938. Additional Resources on the Addgene Blog DIY DNA ladders from Penn State University Use Nanobodies... on Addgene.org Find more nanobody expression plasmids here Additional Resources Looking for monoclonal...
  8. New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries

    Type
    Blog Post
    ...derivatives. Unmodified Cas9 causes double stranded DNA breaks that commonly result in a complete loss of...These mutations result in an inactive RNA-guided DNA binding protein (dCas9). dCas9 is then tethered to... CRISPR Resources on Addgene.org Find CRISPR plasmids and resources here Find pooled libraries available...viability genes as they are subject to an increase in dsDNA breaks that can cause cell death. Thus, CRISPR inhibition...mitigating toxicity induced by high copy number dsDNA cutting. A Dolcetto library containing only 3 sgRNAs...
  9. AAVs in Retinal Gene Therapy

    Type
    Blog Post
    ...random) integration into the genome, and its large DNA packaging capacity is well suited for larger transgenes...AAV. Its main limitation is the small size of its DNA cargo - 4.8 kb at most - which means that a gene ...in mammals Resources at Addgene.org Find AAV plasmids Find ready-to-use AAV viral preps Browse all viral...
  10. The AAVantages of AAV in CRISPR Screens

    Type
    Blog Post
    ...episomal expression. Episomes are circular pieces of DNA that reside outside a host cell’s genome. In this... The most obvious workaround is to use a multi-plasmid system, where you have one AAV vector dedicated...levels of AAV vector integration into CRISPR-induced DNA breaks. Nature Communications, 10(1). https://doi.org...
  11. The Challenges of Cell Culture

    Type
    Blog Post
    ...good that it is used as a forensic technique (aka DNA fingerprinting) that can place suspects at the scene...range of testing, from animal doping to forensics, DNA sequencing to drug testing. You can find Nick on ...Protein Localization Resources on Addgene.org Find Plasmids for Mammalian Cells ...
  12. FlipGFP, a novel fluorescence protease reporter to study apoptosis

    Type
    Blog Post
    ... external signals such as developmental cues and DNA damage. These signals activate a cascade of caspases...these diseases and disorders. You can find the plasmids for FlipGFP and FlipCherry at Addgene. References...Download the fluorescent proteins 101 eBook Read our plasmids 101 blog series Resources on Addgene.org Browse...protein fusions Browse the fluorescent proteins plasmid kits ...
  13. Plasmids 101: The Promoter Region – Let's Go!

    Type
    Blog Post
    ...Once you've gotten to know what a plasmid is in general, it's time to take a look at some of its parts...origin of replication are necessary to replicate plasmids and make sure the cells maintains it. Here, we'll...the promoter, which is necessary for getting the plasmid express our gene of interest. This element is responsible...  The RNA polymerase(s) RNA is transcribed from DNA using an RNA polymerase (RNAP). In bacteria this .... This means that the promoter present in your plasmid backbone must to be compatible with the type of...transcript, you will also need to make sure your plasmid has a promoter suited to working in your host organism...development-specific promoters available to scientists. Plasmids are oftentimes put to therapeutic uses, and in...
  14. Viral Vectors 101: Producing Your rAAV

    Type
    Blog Post
    ...packaging plasmids: the pHelper plasmid containing Ad E2A, E4, and VA RNA genes; and the pRepCap plasmid containing...to be digested with DNase before undergoing titering, to remove residual plasmid DNA carried over from ...with your transfer plasmid, carrying your gene of interest, and the two helper plasmids, commonly called...called “triple plasmid transfection” (Figure 1).    Figure 1: Overview of key steps of AAV production, iodixanol...repeats (ITR). You should always have a high-quality plasmid standard and rAAV reference material of a known...blog Parts of the AAV Packaging PlasmidParts of the AAV Transfer PlasmidAAV Variables That Matter AAV protocols...
  15. 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...the plasmids from the associated paper:   Color Base FP Description Article (Link to Plasmids) PI ...Constant rate of p53 tetramerization in response to DNA damage controls the p53 response. Gaglia et al. Mol...and experimental design. We hope you find these plasmids useful. Good luck, and happy experimenting! References... (Feng Zhang Lab 2015)  Fluorescent Proteins Plasmids and Resources Reference Feng, S., Sekine, S.,...
  16. Protocol - pLKO.1 – TRC Cloning Vector

    Type
    Protocol
    ...measure the DNA concentration, use 1 μL) 2 μL 10x NEB T4 DNA ligase buffer 1 μL NEB T4 DNA ligase add ...transfect plasmid DNA directly into the target cells. The shRNA will be expressed, but the DNA is unlikely...μg pLKO.1 shRNA plasmid 750 ng psPAX2 packaging plasmid 250 ng pMD2.G envelope plasmid to 20 μl serum-...to vary the ratio of shRNA plasmid, packaging plasmid, and envelope plasmid to obtain the ratio that gives...shRNA. psPAX2 Packaging plasmid for producing viral particles. pMD2.G Envelope plasmid for producing viral... also be used with packaging plasmid pCMV-dR8.2 dvpr and envelope plasmid pCMV-VSVG from Robert Weinberg...#B7001S NEB buffer 2 NEB #B7002S T4 DNA ligase NEB #M0202S T4 DNA ligase buffer NEB #B0202S DH5 alpha ...
  17. 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...
  18. Adapting Toehold Switches to Detect Zika Virus

    Type
    Blog Post
    ... Check out All the Plasmids from the Collin's Lab Find Synthetic Biology Plasmids for Your Next Experiment... days of lost productivity waiting for follow-up DNA oligos to arrive. We also were careful to set up ...Components." Cell (2016). PubMed PMID: 27160350. Find Plasmids from the publication at Addgene 2. Green, Alexander...Experiment Deposit Your Plasmids with Addgene ...
  19. A Deep Dive into BioBuilder

    Type
    Blog Post
    ...Standards Find Plasmids for Creating and Controlling Gene Networks Browse All SynBio Plasmids ...cellular extracts as a means to rapidly prototype DNA circuits and logic gates. This BioBuilder-Caltech...
  20. New Tools Enable CRISPRa for Neuroscience Applications

    Type
    Blog Post
    ...comprehensive CRISPR guide Find CRISPR plasmids and resources Find CRISPRa plasmids ...genes can be relatively laborious because multiple plasmids/viruses are needed to deliver all the protein ...construct for generating the SPH mouse. (B) AAV plasmids used to express CRE under neuron-specific promoters...individual neuronal populations.  The Yang Lab’s AAV plasmids used to express Cre under neuron-specific promoters... CD8+ cells were then isolated and their genomic DNA sequenced. Guide RNAs targeting several known and...sensitive applications such as CRISPR screening. The plasmids used by the Qi Lab for this particular application...simpler to implement in genome-wide screens over cDNA libraries. However, using CRISPRa to target individual...
  21. Cpf1: A New Tool for CRISPR Genome Editing

    Type
    Blog Post
    ...Cas9’s second HNH endonuclease domain. Cpf1 cleaves DNA in a staggered pattern and requires only one RNA ...Francisella Cpf1 (FnCpf1), they employed an E. coli plasmid depletion assay to discover FnCpf1’s PAM sequence...system." Cell (2015). PubMed PMID: 26422227. Find plasmids from this publication at Addgene. 2. Zetsche,....1 (2016): 31-34. PubMed PMID: 27918548. Find plasmids from this publication at Addgene. 3. Kim, Daesik...Biotechnol. (2016). PubMed PMID: 27272384 Find plasmids from this publication at Addgene. Kleinstiver...Biotechnol. (2016). PubMed PMID: 27347757. Find plasmids from this publication at Addgene. Makarova, Kira...PMID: 26411297. Resources at Addgene Find CRISPR plasmids at Addgene Read Addgene's CRISPR Resource Guide...
  22. Protocol - How to Inoculate a Bacterial Culture

    Type
    Protocol
    ...isolate your plasmid DNA from the bacterial culture by following the Isolating Your Plasmid DNA protocol....copy regardless of plasmid size. See the plasmid's info page to determine if your plasmid is high or low ...Glycerol Stocks for Long-term Storage of Plasmids Recovering Plasmid DNA from Bacterial Culture All Addgene ...resistance gene on a plasmid 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 h on average. Certain features of a plasmid may render...
  23. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    ...curated collections of plasmids as kits with greatly reduced costs per plasmid. We generally create kits...just the tool you need. The plasmids in this portion of the BIOFAB Plasmid Set contain terminators of ...populations. This kit consists of a 48 plasmid adapter library, with each plasmid carrying a unique barcoded Illumina-M13F...researcher at a nonprofit institution, you can order plasmids covering a wide range of fields from Addgene. ...kits to allow you to easily use a set of plasmids together on a tight budget. To help popularize our ...order from the repository: FX Cloning Kit BIOFAB Plasmid Set pCri System Cell Free Protein Expression Kit... production (a variety of pExpression vectors) plasmids. The type IIS restriction sites used in these ...
  24. CRISPR Plasmids - RNA Editing

    Type
    Collection
    ...selection of CRISPR plasmids and resources. Find more CRISPR functions along with plasmids categorized by ...suggestions for other plasmids that should be added to this list? Fill out our Suggest a Plasmid form or e-mail...CRISPR plasmids based on Cas13 designed to precisely edit RNA targets. CRISPR...enzymes Cas13a/C2c2 and Cas13b, target RNA rather than DNA. Fusing the catalytic domain of ADAR2(E488Q) adenosine...Browse, sort, or search the tables below for CRISPR plasmids designed for RNA editing. To learn more about ...CRISPR topics, read our CRISPR Guide . Mammalian ID Plasmid Gene/Insert PI Publication Return to top CRISPR...by organism by visiting our CRISPR plasmids page . Find a comprehensive list of CRISPR resources by visiting...
  25. 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...information, read the Split-BioID blog post. Find plasmids for Split-BioID RaPID: RNA-protein interaction...
  26. 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...
  27. 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...
  28. 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 ...
Showing: 361 - 390 of 498 results