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Showing: 161 - 180 of 669 results
  1. CRISPR 101: Mammalian Expression Systems and Delivery Methods

    Type
    Blog Post
    Published
    Sept. 24, 2015, 2:30 p.m.
    ...Transformed cell lines Cargo Nucleic acids or protein Nucleic acids Nucleic acids Throughput High High High ...Dividing or nondividing Cargo Nucleic acids Nucleic acids Nucleic acids Throughput Low Low Low Efficiency... types Single cells Cargo Nucleic acids or protein Nucleic acids or protein Throughput High Very low...generate stable cell lines. Packaging and Envelope plasmids provide the necessary components to make lentiviral...for in vivo viral delivery. Cas9 mRNA and gRNA Plasmids containing gRNA and Cas9 are used in in vitro ...gRNA complex and delivered to cells using cationic lipids. Transient expression of CRISPR components, expression...efficiency of CRISPR delivery. There are a few plasmids at Addgene that have been published as CRISPR ...
  2. Addgene's Top 10 Blog Posts of 2015

    Type
    Blog Post
    Published
    Dec. 7, 2015, 6 p.m.
    ...CRISPR mediated genome engineering. 10. Plasmids 101: Control Plasmids Need help thinking about the types ...Scientists eBook Download the Plasmids 101 3rd Ed. eBook Read the Most Recent Plasmids 101, CRISPR 101, and Career... two eBooks (Management for Scientists and the Plasmids 101 2nd ed, the 3rd edition has now been released...top of the many developments in science and the plasmids, technologies, and researchers behind them. As...most popular posts continue to be those from our Plasmids 101 and CRISPR 101 series. These posts aim to ... the background they need to get started using plasmids and the revolutionary CRISPR technology in their...and how it’s used in CRISPR genome editing.   2. Plasmids 101: Cre-lox Cre recombinase can be used to generate...
  3. CRISPR-based Genome Editing Systems For Editing in E. coli

    Type
    Blog Post
    Published
    April 13, 2021, 1:15 p.m.
    .... 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 ...the pTargetF construct and then introduce both plasmids into the cell. The edit in the chromosome can ...addition of the sgRNA sequence in pEcgRNA. Next both plasmids are transformed in E. coli with the donor DNA ...DNA for editing to take place. Then plasmids are cured from the cell. Steps 1-1 and 1-2 can be done simultaneously...efficiency of transformation for pTargetF series plasmids. Fortunately, we were able to successfully delete...control over copy number. MUCICAT system contains 4 plasmids: pDonor, pTnsABC, pQCascade and pCutamp.  pDonor...
  4. Viral Vectors 101: Gamma-Retroviral Packaging Systems

    Type
    Blog Post
    Published
    Aug. 6, 2024, 1:15 p.m.
    ...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 ... genome upon viral transduction. Most transfer plasmids available from Addgene were derived from MoMLV..., and transfer) are supplied by three types of plasmids, which are cotransfected into the 293T packaging... to modify tropism. Briefly, different envelope plasmids can direct the production of virus with various...γ-retroviral packaging systems, and vice versa. Envelope plasmids may be used interchangeably. Are γ-retroviruses...plasmid, but instead are provided in trans by other plasmids or the packaging cell line. γ-Retroviruses can...
  5. Site Directed Mutagenesis by PCR

    Type
    Blog Post
    Published
    Aug. 2, 2016, 2:30 p.m.
    ...Site-directed mutagenesis of Plasmids. A) Generation of mutagenized plasmids. PCR primers (green) amplify...Smaller plasmids (~3 kb) are generally more efficiently amplified than larger constructs, but plasmids as ...Your Cloning Techniques Learn More about Plasmids in Our Plasmids 101 Series Use CRISPR to Generate Specific...site-directed mutagenesis generally applies to plasmids, but may also facilitate genome editing. Tailored...In brief, point-mutations can be introduced to plasmids using primers (with the desired mutation) in a...nuclease-resistant nicked plasmid (the PCR product). Plasmids are isolated from the resulting colonies, and ...product pictured here. B) Screening of recovered plasmids for the mutation of interest. Gel electrophoresis...
  6. What's New in CRISPR - November 2021

    Type
    Blog Post
    Published
    Nov. 18, 2021, 2:15 p.m.
    ...CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids Topics: CRISPR, Other CRISPR... where we highlight a few of the newest CRISPR plasmids available at Addgene. If you want to read more...will cover: Miniature CRISPR-Cas systems SEND plasmids Prime editing improvements Miniature CRISPR-Cas...Read the paper in Molecular Cell Find the CasMINI plasmids Efficient CRISPR editing with a hypercompact ...paper in Nature Biotechnology Find the Cas12f-GE plasmids Programmed genome editing by a miniature CRISPR-Cas12f... in Nature Chemical Biology Find the AsCas12f1 plasmids   Selective endogenous encapsidation for cellular...delivery. Read the paper in Science Find the SEND plasmids    Figure 1: SEND combines an endogenous...
  7. Plasmid Tools for Microbiome Studies

    Type
    Blog Post
    Published
    June 27, 2019, 12:25 p.m.
    ...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... tools for microbiome studies.  Find the MAGIC plasmids here Paper-based synthetic biology approach to...conjugation. The labs screened for the host-range of the plasmids and suitability of various antibiotic resistance...Snodgrassella alvi and Gilliamella apicoli. The plasmids could also be transformed into Alphaproteobacteira...toolkit for modular assembly of broad host range plasmids Counting cell division in the gut microbiota Monitoring...
  8. Working with Nuclear Receptors

    Type
    Blog Post
    Published
    July 15, 2014, 4:03 p.m.
    ...dietary lipids. Included in this family are receptors for endocrine steroids (i.e., corticosteroids, progesterone...thyroid hormone, fatty acids, oxysterols, bile acids, and numerous xenobiotic lipids derived from the diet...problem of sharing plasmids, providing researchers with a one-stop shop for plasmids and vectors, and making...development of a vast number expression and reporter plasmids and the free exchange of these vectors between...increased the burden associated with identifying plasmids in the research literature and acquiring them ... feature direct links to listings of available plasmids for our curated NRs and coregulators. We look ...2005, tr22. Keep on reading! Check out Addgene's Plasmids 101 blog series. ...
  9. What's New in CRISPR - Spring 2019

    Type
    Blog Post
    Published
    March 21, 2019, 12:47 p.m.
    ...CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids ...series, we’ll highlight a few of the new CRISPR plasmids available at Addgene. We will still periodically...paper in Nature Communications Find the Cas12b plasmids  Plant base editing with a Cas9-adenosine deaminase...wheat. Read the paper in Genome Biology Find plasmids containing these base editors Spatially and ...Neuroscience Find the AAV-based SaCas9 genome editing plasmids String assembly gRNA cloning (STAgR) String ...the paper in PLoS One Find the STAgR cloning plasmids Mobile-CRISPRi allows CRISPRi experiments in...Gross’s lab recently deposited “Mobile-CRISPRi” plasmids, a set of modular CRISPRi tools that can be used...
  10. CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More

    Type
    Blog Post
    Published
    Sept. 28, 2020, noon
    ...engineering functions in bacteria, but have no fear - plasmids from Addgene depositors are making it easier than... system available from Addgene consists of two plasmids: pCas9: carries Cas9 and chloramphenicol resistance...incubation. E. coli and T. citrea scarless editing plasmids Sheng Yang’s lab describes a two-plasmid system...editing takes two days, and the pTargetF and pCas plasmids can be subsequently cured from the bacteria. Although... other parameters. .  Stanley Qi lab's CRISPRi plasmids Stanley Qi’s lab demonstrated that a minimal, ...transcripts simultaneously. Marraffini lab's CRISPRi/a plasmids In addition to the early work of the Marraffini...pneumoniae. Robert Husson lab's M. tuberculosis CRISPRi plasmids A group from the Husson lab used CRISPRi to study...
  11. Easing the Protein Purification Process with pCri

    Type
    Blog Post
    Published
    June 19, 2015, 3:08 p.m.
    ...multiplexing. pCri plasmids are divided into two sets, each of which includes plasmids with different varieties...on the Addgene Blog Plasmids 101: E. coli strains for protein expression Plasmids 101: Protein tags ...much easier said than done. As reviewed in our Plasmids 101 series, proteins are overexpressed from a ...varieties of tags, both N- and C-terminal. Each set of plasmids uses the same restriction enzymes for cloning ...for one protein quickly and easily. These tagged plasmids also include cleavage sites should one need to...other tags used in the pCri system, please see Plasmids 101: Protein Tags. Beyond E. coli: purifying ...subtilis and Pichia pastoris pCri also includes plasmids designed for protein expression in systems other...
  12. CRISPR 101: Epigenetics and Editing the Epigenome

    Type
    Blog Post
    Published
    June 24, 2020, 5:45 p.m.
    ...experience with these constructs in the comments! Find Plasmids for Epigenetic Modification   Leah Schwiesow...expression and dCas9-based epigenome editing. Nucleic Acids Research 47:e23–e23. https://doi.org/10.1093/nar...510–517 . https://doi.org/10.1038/nbt.3199 Find plasmids from this publication at Addgene. Klann TS, Black...561–568 . https://doi.org/10.1038/nbt.3853 Find plasmids from this publication at Addgene.  Lei Y, Zhang...8: . https://doi.org/10.1038/ncomms16026 Find plasmids from this publication at Addgene. Liu XS, Wu ...https://doi.org/10.1016/j.cell.2016.08.056 Find plasmids from this publication at Addgene. Maeder ML, ...–1142 . https://doi.org/10.1038/nbt.2726 Find plasmids from this publication at Addgene. McDonald JI...
  13. New CRISPR Web Resources and #12DaysofCRISPR Recap

    Type
    Blog Post
    Published
    Dec. 12, 2017, 3:13 p.m.
    ...ve given our CRISPR Plasmids and Resources a fresh new design, sorting the plasmids we have available by...revolution, Addgene has distributed over 100,000 CRISPR plasmids. But that’s not our only job - we strive to also...up with new developments (and, of course, find plasmids that will be useful to you.) With these goals...covered on that page. To help you find popular plasmids, we’ve also added four new plasmid pages that ...hottest CRISPR tools. Base Edit: Base editing plasmids allow you to make precise C:G->T:A or A:T->G:C...double-strand breaks. Our new page shows you base editing plasmids for mammalian systems, bacteria, plants, and yeast...Regulation category already has five blue flame plasmids covering three different epigenetic effectors....
  14. What's New in CRISPR - Winter 2018

    Type
    Blog Post
    Published
    Dec. 18, 2018, 1:17 p.m.
    ...CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids ...series, we’ll highlight a few of the new CRISPR plasmids available at Addgene. We will still periodically...Read the paper in Science Find the new SHERLOCK plasmids More precision with dual-nuclease Cas9-Cas9 ...Nature Communications Find the Cas9-Cas9 chimera plasmids A modular toolkit for genome editing in plants...post Read the paper in Science Find the Cas14 plasmids Anti-CRISPR proteins for optogenetic control...paper in Nature Methods Find the anti-CRISPR plasmids Tagging human transcription factors with GFP...White’s lab recently deposited a set of CRISPR plasmids to tag human transcription factors with GFP. As...
  15. Addgene's Tips for Plasmid Quality Control

    Type
    Blog Post
    Published
    Jan. 14, 2016, 3:30 p.m.
    ...sharing plasmids through Addgene is that we provide an added level of confidence in the plasmids we distribute...take to verify the identity and quality of the plasmids we make available and provide some advice on the... the steps you can take to verify your own plasmids. Staying organized With hundreds of samples coming...critical to the maintenance and use of certain plasmids, such as special growth instructions (temperature...addition, if you should choose to deposit your plasmids with us, it will be easy to find all of the information...at Addgene, we are ready to sequence verify the plasmids. This is the most important step in ensuring quality...or sequence assembly steps. All of our incoming plasmids are sequenced at least twice, and sometimes more...
  16. No Llamas Required - Synthetic Nanobodies Against Membrane Proteins

    Type
    Blog Post
    Published
    June 18, 2020, 1:15 p.m.
    ...Nanobodies from camelids have gotten a lot of press for being a promising approach for treatment or prophylaxis...The Seeger lab found a way around this by using plasmids to generate sybodies, synthetic nanobodies against...nanobodies can be synthetically expressed off of plasmids in bacteria, and they can target epitopes that...fewer hydrophilic surfaces, require detergents or lipids to remain folded, and are often less abundant than...trinucleotides (corresponding to different amino acids) in the regions that bind to the antigen. The Seeger...form of mRNA for academic research. The template plasmids for generating your own libraries are also available... restriction sites (Geertsma, 2013). Once the phagemids are constructed, they are used to produce a phage...
  17. Production of Virus in Insect Versus Mammalian Cells

    Type
    Blog Post
    Published
    Nov. 5, 2024, 8:32 p.m.
    ...three plasmids — a transfer plasmid containing your gene of interest plus two packaging plasmids (three...three packaging plasmids for 3rd generation lentivirus production). The packaging plasmids are widely available...bacmid. Like AAV and lentiviral packaging plasmids, bacmids are readily available, so the amount of cloning...about cloning your transfer plasmid. The transfer plasmids have different packaging capacities depending ...plasmid. Production of baculovirus requires only two plasmids — your transfer plasmid and the baculovirus construct...insect and mammalian systems. Baculovirus transfer plasmids have a much larger packaging capacity — up to ...can produce AAV and lentivirus if needed # of plasmids Three or four Two Packaging limit ~4.7 kb (AAV...
  18. AAVs CREATed for Gene Delivery to the CNS and PNS

    Type
    Blog Post
    Published
    Sept. 28, 2017, 2:01 p.m.
    ...especially for the study of pain. While many new capsids (i.e. the part of the virus that determines tropism...Caltech stepped up to the challenge. Find the PHP Plasmids Here! Their Solution: Use the CREATE method to... to engineer two new IV injectable AAV capsids, AAV.PHP.eB and AAV.PHP.S, that target the CNS or the PNS...  Read on to learn more about these two new AAV capsids and how they can be useful tools for studying the..., a pool of mutant AAV capsid (cap) expressing plasmids is generated. Diversity is introduced into the...Delivering the CREATE AAV library via IV screens for capsids that are able to cross this barrier - only those... do these AAVs transduce the CNS and PNS? Both plasmids infect the PNS or the CNS much better than the...
  19. The MTA at Addgene

    Type
    Blog Post
    Published
    July 23, 2024, 2:17 p.m.
    ...organizations choose to share their plasmids under an OpenMTA, which allows plasmids to be used for both research...If you’ve deposited or requested plasmids from Addgene, then you’ve been involved in the material transfer...Even though this process is essential to sharing plasmids around the globe, it can be a bit of a mystery...use agreements. The UBMTA, which is the MTA most plasmids at Addgene are shared under, is well-understood...we are not a party (signatory) to the MTAs for plasmids in our repository. Instead, we facilitate the ...institutes. But they’re not! The vast majority of our plasmids are distributed under the UBMTA, which is widely...share your biological materials under! While most plasmids at Addgene are shared under the UBMTA, researchers...
  20. Why and how to start studying chromatin (with Addgene's help)

    Type
    Blog Post
    Published
    June 12, 2018, 11:40 a.m.
    ...Chromatin-related genes with plasmids available from Addgene The links below pull up lists of plasmids containing the...containing lists of plasmids from the indicated publications. You can request all of these plasmids directly from...study chromatin and want to start sharing your plasmids through Addgene, don’t hesitate to start the process...these pages to learn when Addgene receives new plasmids containing these genes. As with the PIs above,... In-exhaustive Chromatin-related genes with plasmids on Addgene.org AGO1 BRCA1 CREBBP CUL1 H2AFX...) ARID1A   Chromatin research articles with plasmids available from Addgene Many articles reporting...chromatin-related research describe the production of plasmids that might be useful for your work. The links ...
Showing: 161 - 180 of 669 results