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We narrowed to 511 results for: plasmid dna

Showing: 281 - 300 of 511 results
  1. Stabilized Bacterial Promoters: Constant Gene Expression at any Copy Number

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    Blog Post
    ...this case, plasmid copy number is the input and gene expression is the output. The input, plasmid copy number...to decouple gene expression and plasmid number. In a suite of plasmids modified from pSC101 with copy ...of all types of plasmids, the stabilized promoters were also tested in different plasmid backbones that...stationary phase, the number of plasmids per cell increases 4-5 fold (for pUC plasmids) or ~2 fold (for p15a, ...RepA is a plasmid replication initiator protein, they could alter copy number of the plasmid by altering...genome or a plasmid. Thus, a stabilized promoter can allow a system to be moved from a plasmid to the genome...special collections page Download the Plasmid 101 eBook See all plasmids deposited by the Voigt lab ...
  2. Handling Plasmids from Addgene - Purifying Plasmid DNA

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    Protocol
    ...Recovering Plasmid DNA from Bacterial Culture Recovering Plasmid DNA from Bacterial Culture You may also...concentrated plasmid DNA. This page will discuss the general procedure for purifying plasmid DNA from bacterial...high concentration of clean plasmid DNA. To improve the purity of plasmid DNA purified without a kit it ...isopropanol to precipitate the plasmid DNA. Either spin to pellet the DNA or apply the solution to a column...How to purify plasmid DNA from a bacterial culture, including protocols, tips, and FAQ Protocols... new window) Promega sell kits for isolating plasmid DNA in quantities as low as a few micrograms to as...describe the general procedure for purifying plasmid DNA from bacterial cultures. If you will be using...
  3. DNA Service - Cloning Grade DNA

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    Collection
    ...Details Plasmids Available FAQ Addgene is offering Cloning Grade DNA (cgDNA) for over 200 plasmids in our...next generation sequencing Plasmids Available as Cloning Grade DNA ID Plasmid Description Industry PI FAQ...performed on my cloning grade DNA order? For each cloning grade DNA prep, the plasmid sequence has been validated...different DNA concentrations. Can I directly transfect cloning grade DNA into cells? Cloning grade DNA is designed...cloning grade DNA preps of this plasmid available, but helps to inform us of which plasmids would be most...cloning grade DNA for over 200 of our most popular plasmids! DNA... DNA Service: Cloning Grade DNA Service Details...
  4. Fluorescent Proteins 101: Fluorescent Biosensors

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    Blog Post
    ...Resources on Addgene.org Find Biosensor Plasmids Find Optogenetics Plasmids Visit the Fluorescent Protein Guide...associated publication for the specifics of your chosen plasmid. Types of biosensors When choosing a biosensor...biosensors to follow processes such as protein or DNA binding, enzyme or transcriptional activation, conformational...
  5. Viral Vectors 101: Gamma-Retroviral Packaging Systems

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    Blog Post
    ...γ-retroviral packaging plasmids are not interchangeable. General envelope plasmids, such as VSV-G (Vesicular...in trans by specific plasmids. This method, therefore, reduces the number of plasmids that are required ...encoded by the transfer plasmid, but instead are provided in trans by other plasmids or the packaging cell...do many γ-retroviral plasmids have similar names? The nomenclature of the plasmid backbone is meant to...components are needed: γ-Retroviral transfer plasmid encoding a transgene, sgRNA, or shRNA of interest..., which facilitate integration of the transfer plasmid sequences into the host genome. Typically, it is... genome upon viral transduction. Most transfer plasmids available from Addgene were derived from MoMLV...
  6. Safe Port in a Storm...How Addgene is Weathering the Pandemic

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    Blog Post
    ...urgent requests for access to coronavirus-related plasmids and to receive important coronavirus-related deposits...shipping staff agreed to come in and start getting plasmid deposits into the collection and to start shipping...support Addgene now, when their distribution of plasmids for COVID-19 research is accelerating essential...’ve recently piloted Addgene’s new cloning grade DNA service, and viral vector distribution is recovering...-related slowdown. More scientists are sharing plasmids and other reagents every day, and this crisis ...
  7. SciComm: Taking Science to Elementary and Middle Schools

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    Blog Post
    ...the same page in terms of the vocabulary--DNA, protein, plasmid, gene, etc. Though I talked about CRISPR...kid’s face when you’ve shown them how to isolate DNA from a strawberry, or demonstrated that they’re living...out our comprehensive CRISPR guide Find CRISPR plasmids and resources ...
  8. Plasmid Tools for Microbiome Studies

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    Blog Post
    ...conjugative mobilization of broad host-range IncQ plasmids." Plasmid 62.2 (2009): 57-70. PubMed PMID: 19465049...page Deposit microbiology plasmids with Addgene Find synthetic biology plasmids ...family-RP4 conjugation system. This system can deliver plasmids to both Gram-positive and Gram-negative cells.... Wang lab further developed a modular suite of plasmids (pGT) with various replicative origins that can...genera across four phyla that have taken up the plasmid through conjugation in vivo studies. However, they... tools for microbiome studies.  Find the MAGIC plasmids here Paper-based synthetic biology approach to...difficile. As mRNA expression cannot be identified with DNA-based qPCR methods, the ability to detect mRNA transcripts...
  9. Plasmids 101: Broad Host Range Plasmids

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    Blog Post
    ...Addgene blog Plasmids 101: Origin of Replication Plasmids 101: What is a PlasmidPlasmids 101: Transformation...host range in plasmids? Not all plasmids were created equally. Only a handful of plasmids have been identified...range plasmid with only one ori and a broad host range plasmid with multiple oris that vary in DnaA-box ...broad host-range IncQ plasmids. Plasmid, 62(2), 57–70. https://doi.org/10.1016/j.plasmid.2009.05.001  Meyer...define plasmid host range, identify a few of the features that confer broad host range in plasmids in nature...recombinant vectors.  A plasmid’s host range is determined by the different hosts that a plasmid can transfer to...influence the plasmid’s ability to establish and maintain itself within host cells.  The plasmid has multiple...
  10. Plasmid Cloning by PCR (with Protocols)

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    Protocol
    ... you are amplifying from plasmid DNA (rather than from genomic DNA or a cDNA library), roughly 18-21bp...may also like... Restriction Digest of Plasmid DNA DNA Ligation Bacterial Transformation Summary PCR based...and NotI to ligate our cDNA into the recipient plasmid. Remember to insert your DNA in the correct orientation... Protocols Plasmid Cloning by PCR Plasmid Cloning by PCR You may... piece of DNA and at the same time adding restriction sites to the ends of that piece of DNA so that it...recipient plasmid (usually in the Multiple Cloning Site (MCS)), but do not cut elsewhere on the plasmid. Bonus.... Digest Your DNA Set up restriction digests for your PCR product and recipient plasmid. Because you lose...
  11. Even more elegant: Single injection CRISPR/Cas9 in C. elegans

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    Blog Post
    ...This construct will serve as the repair template plasmid to create fluorescent and 3xFLAG-tag fusion proteins...proteins. The repair template and Cas9-sgRNA plasmid is then injected into the germline of young adult ....115.178335. [Epub ahead of print] PubMed. Find plasmids from this publication at Addgene. Other strategies...10.1038/nmeth.2641. Epub 2013 Sep 1. PubMed. Find plasmids from this publication at Addgene. Scalable and... and versatile genome editing using linear DNAs with microhomology to Cas9 Sites in Caenorhabditis elegans...genetics.114.170423. Epub 2014 Sep 23. PubMed. Find plasmids from this publication at Addgene. Additional...
  12. Plasmid Cloning by Restriction Enzyme Digest (with Protocols)

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    Protocol
    ...You may also like... Restriction Digest of Plasmid DNA DNA Ligation Bacterial Transformation Summary The...promoters, selectable markers, or any other DNA element between plasmids. Let's assume that you are beginning...recipient plasmid (usually in the Multiple Cloning Site (MCS)), but do not cut elsewhere on the plasmid Will...sites to your recipient plasmid : You can modify the MCS of your recipient plasmid using Annealed-oligo ...Procedure Digest your DNA Set up restriction digests for your donor and recipient plasmids. Because you lose.... We recommend 1.5-2μg of donor plasmid and 1μg of recipient plasmid. It is also critical that as much...re-circularization of the recipient plasmid. You should treat your digested recipient plasmid with a phosphatase prior...
  13. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

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    Blog Post
    ...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles ...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need...easily assemble multiple DNA fragments. This system has been used to construct plasmids for use in model organisms...need. If you'd ever like to write about a recent plasmid deposit please sign up here.        AAV delivery... Figure 1: The base editor is split into two plasmids and co-transfected into cells for reconstitution...overcome this overlap, Yiyang Gong’s lab created two plasmids containing a red-shifted Ace-mScarlet, a fusion...channelrhodopsins. Find the Ace-mScarlet voltage indicator plasmids at Addgene! Beck et al., Sci Report 2019. PubMed...
  14. Molecular Biology Protocol - Restriction Digest of Plasmid DNA

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    Protocol
    ... Protocols Restriction Digest of Plasmid DNA Restriction Digest of Plasmid DNA You may...... Recovering Plasmid DNA from Bacterial Culture Purifying DNA from an Agarose Gel DNA Ligation Introduction...digest of plasmid DNA Protocols...Electrophoresis chamber Pipetman Reagents Liquid DNA aliquot of your plasmid of interest (see below for recommend ...to digest your plasmid. Pro-Tip To determine which restriction enzymes will cut your DNA sequence (and ...typically involves ∼500 ng of DNA, while molecular cloning often requires 1 µg of DNA. The total reaction volume...volume of DNA to be cut. A typical restriction digestion reaction could look like this: 1 µg DNA 1 µL of...
  15. With Our New Viral Service, We're Taking CRISPR Further!

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    Blog Post
    ...receive transfer plasmid DNA that you can use along with lentiviral packaging plasmids to create your own...rough approximations of the total number of CRISPR plasmids for that particular organism available at Addgene...helped distribute many of these technologies in plasmid form and are proud to have facilitated their fast...fast adoption. However, in many cases the plasmids themselves are only the starting point for the production... use; after receiving a pooled gRNA library in plasmid format, a researcher must amplify the library, ...
  16. Protocols for Molecular Biology, Plasmid Cloning, and Viral Preps

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    Protocol
    ...the Video! DNA Ligation Assemble DNA using DNA ligase Bacterial Transformation Introduce DNA into a bacterial...phenol-chloroform extract, and precipitate DNA DNA Quantification Measure DNA concentration with a spectrophotometer...and analyze plasmid DNA with restriction enzymes Agarose Gel Electrophoresis Separate DNA by size on an...Add a short stretch of DNA to a plasmid Gibson Assembly Combine overlapping DNA fragments in a single ...Store bacterial strains or plasmids for long term use Watch the Video! DNA Purification Miniprep, phenol-chloroform...Amplify CRISPR pooled-plasmid libraries Diagnostic Restriction Digest Verify a plasmid using restriction ...FAQ Watch the Video! Purifying DNA from an Agarose gel Isolate specific DNA bands cut from a gel Watch the...
  17. Meet the New Addgene Board Members!

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    Blog Post
    ...over 100 requests for the plasmids and the lab eventually deposited these plasmids at Addgene. While deposits...she says. In 11th grade she heard a talk about Z DNA that inspired her to major in molecular biology in...The mission to share critical reagents such as plasmids and viral stocks for researchers around the world...
  18. What the HEK?

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    Blog Post
    ...transfect the ‘helper’ plasmids (viral packaging machinery) along with the viral plasmid containing the cargo...Netherlands. Transformation of HEK cells with adenovirus 5 DNA was postdoc Frank Graham’s 293rd experiment, hence...T-antigen. This allows them to replicate viral plasmids with the SV40 origin of replication. To generate...
  19. Protocol - How to Ligate Plasmid DNA

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    Protocol
    ... Protocols DNA Ligation DNA Ligation You may also like... Plasmid Cloning by Restriction...and insert DNA to use. Combine the following in a PCR or Eppendorf tube: Vector DNA Insert DNA Ligase Buffer...How to Ligate Plasmid DNA Protocols...Restriction Enzyme Digest Restriction Digest of Plasmid DNA Bacterial Transformation Background Information...the construction of a recombinant plasmid is connecting the insert DNA (gene or fragment of interest) into...backbone of the two DNA fragments. This reaction, called ligation, is performed by the T4 DNA ligase enzyme....ligation, the insert DNA is physically attached to the backbone and the complete plasmid can be transformed...
  20. Protocol - Bacterial Transformation

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    Protocol
    ...also like... Plasmid Cloning by Restriction Enzyme Digest Restriction Digest of Plasmid DNA DNA Ligation ... will help to maintain the plasmid without rearrangement of the plasmid DNA. Additionally, specific treatments...tube of plasmid DNA and just need to transform bacteria so that you can grow up more of the plasmid) you ... which foreign DNA is introduced into a cell. Transformation of bacteria with plasmids is important not...both storing and replicating plasmids. Because of this, nearly all plasmids (even those designed for mammalian...the least expensive) are fine for transforming plasmid DNA for the purposes of storage and amplification...transforming with very small amounts of DNA or if you're multiple plasmids at once. To save money, many labs...
Showing: 281 - 300 of 511 results