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Showing: 61 - 80 of 878 results

  1. Plasmids 101: Methylation and Restriction Enzymes

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    Blog Post
    ... for purposes other than cloning or confirming plasmids. It turns out that restriction enzymes are one...your plasmid of interest by PCR generates mutated plasmids with no methylation (there are no methyltransferases... is destroyed leaving behind a pool of mutated plasmids which can later be verified by Sanger sequencing...Results Use REPLACR Mutagenesis to Mutate Your Plasmids Resources on Addgene.org Check Out Our Plasmid...

  2. Plasmids 101: Optimizing Plasmid Yields

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    Blog Post
    ... a strain optimized for plasmids with repeat elements, such as viral plasmids with inverted terminal repeats...Different plasmids and strains will vary in their optimal growth conditions. For many high copy plasmids, standard...terms, more volume = more cells = more plasmid. Plasmids can vary in copy number, the number of plasmid...concentrations will work just fine; however, for low copy plasmids or slower growing strains, a change in media may.... Reduce the antibiotic concentration Low copy plasmids produce fewer transcripts of their antibiotic ...correlated. Typical growth times for high copy plasmids in standard growth strains range from 12-16 hours...hours, but cultures with lower copy plasmids may need to be grown for 20 hours or more to achieve maximum...

  3. Plasmids 101: Terminators and PolyA signals

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    Blog Post
    ...Download our Plasmids 101 eBook to get all the background you need to start working with plasmids! What are...Plasmids designed to express genes in a given host cell type are generally broken down into two broad...the end.  Nearly all common bacterial expression plasmids use Rho-independent terminators, which include...termination with polyadenlyation. Mammalian expression plasmids are primarily used to create mRNA and the commonly...expression in a context-dependent manner. Nucleic Acids Research. 2000. PubMed PMID:10648781. PubMed Central...Learn about New Cloning Techniques Read all of our Plasmids 101 Posts Resources on Addgene.org Browse our...

  4. Plasmids 101: Stringent Regulation of Replication

    Type
    Blog Post
    ...replication. In general, these plasmids tend to be low copy number. Conversely, plasmids that can initiate DNA ...All plasmids rely on their host cell's replication machinery in order to replicate—but not always to ...replication of the host cell's chromosomal DNA.  Plasmids are said to be under stringent control when they...for elongation and termination. These types of plasmids tend to be high copy number. Here, we will consider...consider the replication mechanism of plasmids under stringent control, such as pSC101. DNA replication...bacterial chromosome and for stringently controlled plasmids. Binding of IHF (green) redistributes DnaA (red...sustainability. Plasmid DNA replication and regulation Plasmids must also strike a balance: replicating too slowly...

  5. Plasmids 101: Golden Gate Cloning

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    Blog Post
    ...Addgene’s plasmids are used with a wide variety of restriction enzyme-based cloning methods. Each method...an attB recombination scar encoding eight amino acids, but Golden Gate assembly can be designed to be ...fragments to create TAL effector nucleases. These plasmids were designed to utilize the BsaI and BsmBI Type...create CRISPR/Cas9 constructs, assemble standard plasmids parts in different combinations, or other new ... JA, Somia NV, Bogdanove AJ, Voytas DF. Nucleic Acids Res. 2011 Jul;39(12):e82. Epub 2011 Apr 14. PubMed...PubMed. More Resources at Addgene:  Check out more Plasmids 101 Posts! Check out Addgene’s restriction cloning... plasmids...

  6. Plasmids 101: Blue-white Screening

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    Blog Post
    ...This post is part of our ongoing Plasmids 101 series. Plasmids 101 will provide you with an overview ...of the Plasmids 101 posts here. Now that we have covered antibiotic selection here at Plasmids 101, we...far, so good, but how does this help us screen plasmids? Blue-white screening in the lab Scientists discovered...enzyme. Providing DNA encoding this section of amino acids (called the α-peptide) to a lacZΔM15-mutant bacterial...antibiotic resistance), but also confirm those plasmids have your insert (blue-white screening). Other...probably the most widespread way to select for plasmids containing an insert, there are other methods....genes supplied on the transformed plasmid. Such plasmids may contain genes that allow for the use of a ...

  7. Tips for Using BLAST to Verify Plasmids

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    Blog Post
    ...Resources on the Addgene Blog: Plasmids 101: How to Verify Your Plasmid Plasmids 101: An Inside Look at NGS...helps us compare the sequencing results of the plasmids in our repository with known reference sequences...provided by the laboratories that deposit their plasmids with us or other entries in NCBI’s numerous databases... grown over the years (we now have over 60,000 plasmids!), the number of sequencing results we analyze...busy week, we may need to analyze more than 200 plasmids as part of our quality control process. Consequently...yourself frequently on the BLAST website to verify plasmids or validating your new clones, try these tips ...verification steps and free up more time for using your plasmids instead! All BLAST images are modified screen...

  8. Hot Plasmids: FRET-Based Biosensors

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    Blog Post
    ...popular & newly available plasmids at Addgene. If you're interested in plasmids for in vivo imaging, check...the greatest challenges of neuroscience.”  Hot plasmids: Twitch sensors Griesbeck’s recent contribution...journal.pone.0082009. (PubMed) Interested in More Hot Plasmids from Addgene? Check out our Hot Plasmid page,...

  9. Plasmids 101: The Promoter Region – Let's Go!

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    Blog Post
    ...origin of replication are necessary to replicate plasmids and make sure the cells maintains it. Here, we'll.... Chicken version is commonly used in promoter hybrids. CAG General expression mRNA Strong hybrid mammalian...development-specific promoters available to scientists. Plasmids are oftentimes put to therapeutic uses, and in...Additional Resources on the Addgene Blog Browse All Plasmids 101 Posts Learn about Mammalian Vectors Read about...Luciferase and GFP Resources on Addgene.org Find Plasmids for Your Research     ...

  12. Hot Plasmids and Viral Preps - September 2021

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    Blog Post
    ...subset of the new plasmids and viral preps in the repository through our hot plasmids articles. These articles... CRISPR plasmids are always being added to the repository. To find all of the CRISPR plasmids available...'ll make it easier for you to find and use the plasmids you need. Here's what you'll find in this article... Xiao Wang Lab has recently deposited a set of plasmids that helps identify base edited cell populations...populations without end-point sequencing assays. These plasmids use “Cas9-mediated adenosine transient reporter...available from Addgene, head over to our CRISPR Plasmids and Resources page. Here are some highlights from the...selectively control parvalbumin interneurons from the Dimidschstein Lab More GCaMP8 ready-to-use AAV preps  ...

  13. Hot Plasmids and Viral Preps - July 2021

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    Blog Post
    ...subset of the new plasmids and viral preps in the repository through our hot plasmids articles. These articles... CRISPR-based genome editing in organoids By Ashley Waldron Organoids are three-dimensional cultures that... CRISPR plasmids are always being added to the repository. To find all of the CRISPR plasmids available...'ll make it easier for you to find and use the plasmids you need. Here’s what you’ll find in this article...new toolkit for performing genetics studies in organoids. The Organoid EasyTag System is a straightforward...system, the approach is intended to be amenable to organoids derived from other tissue-types. By bringing together...available from Addgene, head over to our CRISPR Plasmids and Resources page. Here are some highlights from the...

  14. Hot Plasmids and Viral Preps - May 2021

    Type
    Blog Post
    ...subset of the new plasmids and viral preps in the repository through our hot plasmids articles. These articles...highlights from recent CRISPR plasmids. To find all of the CRISPR plasmids available from Addgene, head...'ll make it easier for you to find and use the plasmids you need. Here's what you'll find in this post...head over to our CRISPR Plasmids and Resources page.  A new system uses light to deactivate photocleavable... accumulation of indels to measure time. These plasmids with different promoters driving expression of...containing vectors developed in the Jordane Dimidschsteind lab provide expression selectively in Parvalbumin...

  15. Hot Plasmids and Viral Preps - March 2021

    Type
    Blog Post
    ...subset of the new plasmids and viral preps in the repository through our hot plasmids articles. These articles...highlights from recent CRISPR plasmids. To find all of the CRISPR plasmids available from Addgene, head...head over to our CRISPR Plasmids and Resources page.  Plasmids for delivering CRISPRi components by a single...'ll make it easier for you to find and use the plasmids you need. Here's what you'll find in this post...inducible degron system for C. elegans New CRISPR plasmids New items from the viral service Epigenetic ... Haynes at Emory recently contributed a set of plasmids to the repository that will help epigenetic researchers...proteins (FPs) fused to the AID* (minimal 44 amino acids auxin inducible degron sequence) tagged proteins...

  16. Hot Plasmids and Viral Preps - January 2021

    Type
    Blog Post
    ...subset of the new plasmids and viral preps in the repository through our hot plasmids articles. These articles...highlights from recent CRISPR plasmids. To find all of the CRISPR plasmids available from Addgene, head...'ll make it easier for you to find and use the plasmids you need. If you'd ever like to write about a ...mGold, a new yellow fluorescent protein New CRISPR plasmids New items from the viral service A fast blue-light...head over to our CRISPR Plasmids and Resources page.  CDDR (CRISPR–Cas9-based Dual-fluorescent DSB Repair... two DSBs in a fluorescent reporter. Find the plasmids here Yongsub Kim’s lab engineered prime editors...the plasmid here Jesse Zalatan’s lab deposited plasmids for a chemically inducible CRISPRa system in yeast...

  17. Plasmids 101: Choosing an Antibiotic Resistance Gene

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    Blog Post
    ...Over-Agar Antibiotic Plating Plasmids 101 eBook Resources on the Addgene blog Plasmids 101: Antibiotic Resistance...Plasmids need antibiotic resistance genes so that you can specifically isolate bacteria containing your...antibiotic. The use of antibiotic resistance DNA plasmids are traditionally grown in bacteria as a way to...produce more of the plasmid, isolate individual plasmids, or express a gene contained in a plasmid. During...your experiment — to grow, express, or isolate plasmids. The presence of an antibiotic resistance gene...bacterial and eukaryotic selection, whereas other plasmids must carry both a bacterial and a mammalian antibiotic...Resistance Plasmids 101: Blue-White Screening Choosing Your Perfect Plasmid Backbone  ...

  18. Plasmids 101: Gene, enhancer, and promoter trapping

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    Blog Post
    ...in the Lab Plasmids 101: Screens vs. Selections Plasmids 101: Knockout /Knock-In Plasmids ...the Lab Bench Plasmids 101 e-book Additional resources on the Addgene blog Plasmids 101: Using Transposons...

  19. Plasmids 101: Expressing shRNAs for RNA Interference

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    Blog Post
    ....   Expressing shRNAs using plasmids The design of shRNA plasmids requires three important steps: ...shRNA plasmids are being designed using RNA polymerase II promoters. The design of these plasmids is meant...with Cas13a (C2c2) Plasmids 101: The Promoter Region – Let's Go! Browse All Plasmids 101 Posts Additional...Following delivery into cells using viral vectors or plasmids, shRNAs hijack the endogenous miRNA machinery ...by a complex called Drosha to pre-miRNA. miRNA plasmids are engineered to skip this first pri-miRNA step...don’t need additional flanking sequences, shRNA plasmids are a bit smaller, with the full sequence being...60 base pairs. This is much shorter than miRNA plasmids, which require additional flanking regions comprised...

  20. Plasmids for Endogenous Gene Tagging in Human Cells

    Type
    Blog Post
    ... the tag. Created with BioRender.com. Plasmids, plasmids everywhere To find out more about gene edited...expensive for many labs. We’ve created and tested plasmids that use CRISPR/Cas9 to endogenously tag a wide...wide variety of genes with GFP. These plasmids are available through Addgene, and the stem cell lines we...found in the Cell Catalog on our data portal. The plasmids should be functional in many different human cell...constructs below. Read on to find out how these plasmids work and to discover more resources for your genomic...BioRender.com. The first step in creating the plasmids was to identify the gene of interest and decide...this manner, we have created an initial set of 10 plasmids representing 10 human genes and will add more ...
Showing: 61 - 80 of 878 results