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Showing: 61 - 80 of 225 results
  1. Drew Endy Introduces the Biobrick Public Agreement Plasmid Collection

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    Blog Post
    ...Addgene through the Biobrick Public Agreement (BPA) Plasmid Collection along with a BIOFAB kit comprised of..."Addgene is one of the leaders in distributing plasmids amongst the academic community. On the BioBricks... flow.' People must be able to use genetically encoded functions - the words in our language for programming... with Endy more about the BIOFAB and BIL gates plasmid kits, the Biobricks Public Agreement, and the future...first to be made available via Addgene and the BPA Plasmid Collection - enable? Endy: The BIOFAB collection...engineering an entire cell. Typically when people use plasmids, they are trying to do one thing at a time. What... tricky to tame the rest of a cell. The BIOFAB plasmids represent the first systematic collection of genetic...
  2. Plasmids 101: Screening Strategies Used in Plasmid Cloning

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    Blog Post
    ...once in the plasmid backbone and another enzyme that cuts within the insert. If the plasmid contains the... PCR product if the plasmid contains the insert and no PCR product if the plasmid does not contain the...Addgene blog Get all the plasmid basics in our Plasmids 101 series Find more molecular biology protocols...your desired plasmid. In many cases, you will need a screening strategy as well. In a screen, you aren’t... for example on a plasmid, creates a functional 𝛽-galactosidase. Blue-white screens rely on vectors where...where a  screen comes in. Let’s take a look at All_in_one_CRISPR/Cas9_LacZ, a CRISPR gRNA plasmid from Lynne...blue-white screen, which relies on the lacZ gene. lacZ encodes the enzyme 𝛽-galactosidase which can hydrolyse...
  3. New and Upcoming Viral Vectors - Spring 2019

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    Blog Post
    ...indicators Plasmid Serotype Name 119036  AAV1  pAAV-hsyn-flex-Voltron-ST Chemogenetics Plasmid Serotype...DreO-bGHpA 121675  AAV9  pAAV-EF1a-fDIO-Cre (FLP-dependent CRE) 55634  AAV1  pAAV-EF1a-mCherry-IRES-... constitutive (pAAV-Syn-Archon1-KGC-GFP-ER2) and cre-dependent version (pAAV-Syn-FLEX-rc [Archon1-KGC-...membrane-embedding voltage detector. Find Archon1 and its cre-dependent version at Addgene! Fluorescent protein...be used as the control vectors for experiments encoding a fluorescent-tagged molecular tool.   Find pAAV-FLEX-tdTomato...serotype you’d like to be notified about. Controls Plasmid Serotype Name 114472  AAV5, AAV8  pAAV-hSyn-mCherry...channels for neuronal manipulation Recombinases Plasmid Serotype Name 50363  AAV5  AAV phSyn1(S)-DreO-bGHpA...
  4. Choosing the B(right)est Fluorescent Protein: Photostability

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    Blog Post
    ...localized fusion proteins and do not require dedicated plasmids or constructs. It should be noted that the photostability...He develops, characterizes and uses genetically encoded fluorescent probes. You can follow him on twitter...University of Amsterdam) where she develops genetically encoded FRET based biosensors.     Additional Resources...Find Empty Backbones with Fluorescent Tags Find Plasmids for Subcellular Localization Browse the entire...excitation light less efficiently. Similarly, decreasing the power of the excitation light reduces the... excitation/emission cycles per unit of time, decreasing the likelihood that a fluorophore will bleach...
  5. The 10 Most Distributed Plasmid Technologies in Addgene's First 10 Years

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    Blog Post
    ...cloning vector. Lentiviral Plasmids -  If you're familiar with the pLKO plasmids you'll note that those are...Actually, these two plasmids from Didier Trono's lab are our two most popular plasmids of the past 10 years...influx of plasmids for reprogramming differentiated cells into pluripotent stem cells. Plasmids from Shinya... have 19 different ubiquitin plasmids in the repository. 100,000 Plasmids Shipped! - By 2010, Addgene ...our stride. We shipped our 100,000th plasmid. A variety of plasmids continued to be popular years after...10 years of plasmid sharing  Interested in more facts about Addgene's 10 years of plasmid sharing? Check...pSV-PGC1 was Addgene's first distributed plasmid and was created in the lab of my thesis advisor, Dr. Bruce...
  6. Hot Plasmids - October 2022

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    Blog Post
    ...of the new plasmids, antibodies, and viral preps in the repository through our hot plasmids articles. ...constructs in plasmid form. Fig. 1: Summary of the approach and outcomes of the screen for improved...Think we missed something hot? You can pitch a Hot Plasmids section (antibodies and viral preps welcome!) ...Two of their constructs are currently available as Cre-dependent, EF1ɑ-driven viral vectors (AAV1) - and...improved genetically-encoded voltage indicators (GEVIs) based on the ASAP sensors. The resultant JEDI-2P sensors...viral preps here (and here!)Find JEDI-2p plasmids here!  Liu, Zhuohe et al. Sustained deep-tissue voltage... improve the performance of HcKCRs. Find HcKCR plasmids here!   Govorunova EG, et al. Kalium channelrhodopsins...
  7. Plasmids 101: Positive and Negative Selection for Plasmid Cloning

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    Blog Post
    ... successfully takes up plasmid DNA. Among those that do, some now have plasmids that contain your gene...including ccdB on its destination plasmids. In the destination plasmid, the ccdB gene is flanked by recombination...transformed with the plasmid backbone (with or without your inserted DNA) and further screening will help you...example, Markus Ralser’s lab created a yeast prototrophy kit containing 23 plasmids to complement auxotrophy...allows the bacteria to grow on sucrose. Plasmid cloning: Creativity with naturally occurring genes  At this... finding more and more ways to creatively perform selections in plasmid cloning. Additional resources...purify your gene of interest, get it into your plasmid backbone, and zap the mixture of DNA into cells...
  8. New and Upcoming Viral Vectors - December 2019

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    ...Fon hChR2(H134R)-EYFP that is both Cre and Flp dependent. Plasmid Serotype Name 124603 AAV9 pAAV-EF1a-DIO-ChrimsonR-mRuby2...see our blog post Overview of AAV Encoded Calcium Sensors). Plasmid Serotype Name 104489 AAVrg pGP-AAV-syn-jGCaMP7b-WPRE...constructs from Christopher Harvey’s lab. These plasmids localize opsins to the soma to avoid off target...neighboring neurons. We have also packaged hChR2(H134R) plasmids from Karl Deisseroth’s lab, which includes pAAV-hSyn... has now expanded to offer many of our control plasmids in new serotypes. See our Serotype Testing AAV...AAV inventory for the entire collection! Plasmid Serotype Name 51502 AAV5 pCAG-FLEX-EGFP-WPRE 114471... jGCaMP7 from Janelia, including three jGCaMP7 plasmids now packaged in AAVrg. jGCaMP7s, the variant with...
  9. Creating accessible biology activities in schools with BioBits

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    Blog Post
    ...protein – you first need the DNA sequence that encodes it. That DNA sequence then needs to be incorporated...ll work with you to get the word out about your plasmids and their potential educational uses. We believe...30083609. PubMed Central PMCID: PMC6070313. Find the plasmids from this publication at Addgene! Additional ...developmental biology Use the pathways over time plasmids to engage students in functional genomics research...out our molecular biology reference pages Find plasmids from the BioBits BrightTM publication here ...to provide them to their students. My desire to create a set of low-cost, easy-to-use educational biology...fragrances that they can smell, or enzymes that can create hydrogels that they can touch. With BioBits, we...
  10. Hassle-free 96-well Format Epitope Tagging Using Cas9 Ribonucleoprotein

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    Blog Post
    ...on the Addgene Blog Plasmids for endogenous gene tagging in human cells Plasmids 101: Protein Tags Fluorescent...repair by HDR facilitates in-frame insertion of tag-encoding sequences at the intended target site. With the...from many pitfalls: they require construction of plasmid vectors and/or rely on cumbersome in vitro synthesis...single-stranded donor DNA (ssODN) that contains the tag-encoding sequence and short homology arms (60-70 bp) is...directly purchased and there is no need to construct plasmid vectors or synthesize/purify IVT sgRNA in the lab...targeting the gene of interest) and ssODN (tag-encoding donor DNA) using our TAG-IN bioinformatics tool.A...SapTrap Resources on Addgene.org Browse CRISPR plasmids Check out our CRISPR guide pages Find ready-to-use...
  11. Viral Vectors 101: Pseudotyping

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    Blog Post
    ...three plasmids: (1) The transfer plasmid, (2) the envelope plasmid, and (3) the packaging plasmid. These...glycoprotein. The pseudotyped protein is encoded on the envelope plasmid which contains a promoter, the envelope... spike protein, scientists encode the spike protein on the envelope plasmid. Image from Crawford et al...with a modified RD114 envelope glycoprotein show increased stability in sera and augmented transduction of...
  12. Popular Retroviral Vectors and Their Uses in Scientific Research

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    Blog Post
    ...Mammalian shRNA Tools for RNAi! Cre-Lox technology CAG-GFP-IRES-CRE (Plasmid #48201) This retroviral vector...vector from the Gage lab encodes GFP and Cre-recombinase. The Cre-lox system is a technology that can be...vector can be found here. Cre-Lox technology Puro.Cre empty vector (Plasmid #17408)   This is a lentiviral...separate envelope and packaging plasmids as well as transfer plasmids. This concept ensures safe handling...gamma-retroviral packaging plasmids are not interchangeable. General envelope plasmids, such as VSV-G, may be...Learn more about CRISPR plasmids for transcriptional inhibition. Retroviral Plasmid Kit Retroviral Barcoding...expressing new shRNA sequences pLKO (Plasmid #10878) This plasmid has been used by The RNAi Consortium...
  13. Antibodies 101: Isotypes

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    Blog Post
    ... heavy chain proteins as well as the genes that encode those proteins are designated by the lower-case...co-expressing IgM and IgD isotypes antibodies which are encoded by the heavy-chain constant genes μ and ẟ. These...Resources on Addgene.org Browse Addgene’s Antibodies plasmid collection ... IgG; but it's the most prevalent antibody in secretions (e.g. tears, saliva, mucus) where it protects...
  14. The Fluorescent Vegetables in Aptamer Soup

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    Blog Post
    ...cellular processes by transforming cells with plasmids encoding aptamer-tagged RNA and later introducing the...Browse fluorescent protein plasmids and resources See all Jaffrey lab plasmids ...aptamer downstream of a known promoter. Addgene’s Plasmids 101: Aptamer Fluorophores describes the enrichment...Development and characterization of sindbis virus with encoded fluorescent rna aptamer spinach2 for imaging of...for quantitative imaging, Ming Hammond’s group created Spinach2 using site-directed mutagenesis of Spinach...was cloned into bacterial expression vectors to create a library. Bacteria were transformed, and then ...for in vivo studies. Dimerization of Broccoli increases its fluorescence by about 1.8-fold, and may be...
  15. New and Upcoming Viral Vectors - September 2019

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    Blog Post
    ...Flp-dependent Cre AAV in AAV9 and AAVrg. See our new additions here: Cre vectors pAAV-EF1a-fDIO-Cre (121675...is now complete! pAAV-CAG-GFP (plasmid 37825) and pAAV-hSyn-EGFP (plasmid 50465) are now available as 20...expression. This is a Cre-dependent switch that expresses nuclear mCherry in the absence of Cre, and expresses...expresses nuclear EGFP in the presence of Cre. Biosensor AAV (calcium sensors and GABA sensors) Calcium sensors... technology, see our blog post Overview of AAV Encoded Calcium Sensors). We are expanding the inventory...sensor (see below), in addition to our inventory of Cre-dependent GABA sensors. See all our GABA sensor AAV...reduced. This variant has an approximately 12-fold increase in brightness after ~100 action potentials. This...
  16. What's New in CRISPR - March 2020

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    Blog Post
    ...CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid tools...CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids ...Biotechnology Find the base editor plasmids CRISPRi in Caulobacter crescentus Figure 1: Serial dilutions... Bioengineering Find the optogenetic repressor plasmids Cytosine base editors with minimized off-target...CRISPRi system, the Laub lab repressed ctrA, a gene encoding an essential cell cycle regulator. The lab expressed...once. Read the paper in mBio Find the CRISPRi plasmids A multiplexed gRNA piggyBac transposon system... Read the paper in Scientific Reports Find the plasmids Enhanced CRISPR-based DNA demethylation ...
  17. Measuring Kinase Activity at the Single-Cell Level with Kinase Translocation Reporters (KTRs)

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    Blog Post
    ...Translocation Reporters (KTRs) are genetically encoded fluorescent kinase reporters. A KTR is comprised...ERK, or a backbone to use for custom KTR design, plasmids are available from Addgene! References Kudo, ...protocols, 13 1, 155-169. PMID: 29266096. Find the KTR plasmids here! Additional Resources on the Addgene Blog...Additional Resources on Addgene.org Find FRET plasmids Find fluorescent biosensors ... key advantage of KTRs is that they are easy to create and simple to multiplex. Problems with FRET kinase...
  18. CRISPR-Cas14: a family of small DNA-targeting enzymes enabling high-fidelity SNP genotyping

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    Blog Post
    ... cas1, cas2, cas4, and a new gene cas14. cas14 encodes for a small Cas protein (40-70 kDa), which is half...regions containing the putative tracrRNA into a plasmid and expressed it in an E. coli bacteria strain....sheet Resources on Addgene.org Find the Cas14 plasmids here Checkout our CRISPR guide page Browse the...diagnostic toolkit, called DETECTR, which has been created by the authors. This kit uses Cas12 and Cas13 to...
  19. How to Deposit Your Plasmids with Addgene

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    Blog Post
    ...with your plasmids, and adding all the plasmids at once increases the likelihood that the plasmids are given...Unpublished or pre-publication plasmids": Unpublished plasmids or plasmids that will not be published are...and entering a plasmid name,plasmid type, and plasmid description/experimental purpose (right). On the...following descriptions for your plasmid: Encodes insert(s) A plasmid with one or more genes, protein...easy for you to share plasmids. To achieve this goal, we will archive any plasmids you've deposited with...Spreadsheet". Start your plasmid deposit There are two options to begin your plasmid deposit. Figure 2: Choose... Choose to submit plasmid(s) online or by using a spreadsheet. The plasmid information can be entered ...
  20. Optogenetics Plasmid Collection

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    Collection
    ... Plasmid Collections Optogenetics Plasmids Optogenetics Plasmid Collection You may ...Switch Plasmids Background Optogenetics plasmids encode proteins that are controlled by light. Many of ...Chemogenetics Plasmids Chemogenetics Guide Fluorescent Protein Guide Microbial Opsin Plasmids Optical Switch...of these plasmids encode for microbial opsins, which are membrane channels and pores derived from algae...Microbial Opsin Plasmids Browse, sort, or search the table below for the optogenetics plasmids for neuronal...ready-to-use AAV preparations of many optogenetics plasmids. ID Plasmid Description Gene/Insert Vector Type Promoter... top Optical Switch Plasmids Browse, sort, or search the table below for plasmids that use light to control...
Showing: 61 - 80 of 225 results