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Showing: 21 - 40 of 108 results
  1. 28 Hot Plasmid Technologies from 2015

    Type
    Blog Post
    Published
    Dec. 23, 2015, 3:30 p.m.
    ...amazing plasmid technologies developed by our community of depositors. With over 40,000 plasmids avaliable...amazing new plasmid tools that have come through our doors in 2015. Do you have a favorite new plasmid tool ...temporal control over CRISPR/Cas9 mediated genome modification and gene expression. The plasmids associated...system plasmids are available through Addgene and are already very popular. Use these plasmids to increase...both the GFP and the RFP proteins in the nucleus. During the first round of translation, the GFP proteins... can visualize: Cell Structure Plasmids: Cell Structure Plasmids: ER mCherry-Sec61 beta BFP-Sec61...Compartment mCherry-Rab5 BFP-Rab5 GFP-Rab5B Vacuolar & Budding Compartment GFP-Rab4B Mitochondria mito-BFP...
  2. Fluorescent Protein Travel Awards - FLiPs and Fluorescent Protein Biosensors

    Type
    Blog Post
    Published
    July 27, 2017, 1:11 p.m.
    ...sugars (including lactose), and a lac operon controlled GFP. When the enzyme breaks down the HMO of interest...lactose released activates expression of GFP from the lac operon. GFP expression can then be used to determine...Xin hypothesized that she could make enzymes controllable by tethering them to Dronpa, a fluorescent protein...their ability to be precisely spatio-temporally controlled as a key advantage over other inducible enzyme...Photosactivatable Fluorescent Proteins Use Light to Control CRISPR Genome Editing Choose the Brightest Fluorescent...Addgene.org Find Fluorescent Protein Biosensors Browse Plasmids from the Tsien Lab Browse the Michael Davidson...second sensor is a fusion protein consisting of sfGFP fused to a His-tagged ABC transporter known to bind...
  3. Stabilized Bacterial Promoters: Constant Gene Expression at any Copy Number

    Type
    Blog Post
    Published
    Sept. 4, 2018, 12:53 p.m.
    ...both positively and negatively controls the output. In this case, plasmid copy number is the input and ...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, ...trans-acting RepA protein under the control of IPTG. Because RepA is a plasmid replication initiator protein... constitutive promoter upstream of GFP increased expression of GFP six-fold, but a stabilized promoter...genome or a plasmid. Thus, a stabilized promoter can allow a system to be moved from a plasmid to the genome...
  4. 15 Years of Addgene: The Top 15 Plasmids

    Type
    Blog Post
    Published
    Jan. 8, 2019, 1:54 p.m.
    ...applications. This plasmid was the top requested plasmid of 2017. Find pMD2.G. pSpCas9(BB)-2A-GFP (PX458) - This...and an envelope expressing plasmid, such as our second most requested plasmid of all time, pMD2.G. Find...pSpCas9(BB)). The 2A-GFP allows for screening of transfected cells. Find pSpCas9(BB)-2A-GFP (PX458). lentiCRISPR... top requested plasmid from 2016. You may notice the “V2.0” at the end of this plasmid which indicates...prior version of this plasmid. Indeed the first version is the 15th most popular plasmid of all time, but ...envelope expressing plasmid pMD2.G. Find pMDLg/pRPE. scramble shRNA - This plasmid from David Sabatini....1 protocol. Pro-tip: this plasmid grows more slowly than standard plasmids. Find pLKO.1 - TRC cloning...
  5. Fluorescent CRISPR Reporters: SRIRACCHA and GEmCherry2

    Type
    Blog Post
    Published
    May 26, 2020, 1:15 p.m.
    ...via HDR using the supplied donor plasmid will express GFP. If there’s GFP expression, presumably the endogenous...  A donor plasmid that contains a puromycin resistance gene linked to an in-frame H2B-GFP. This visual...also found in the reporter gene). A control RFP expression plasmid.  With this set up, all successfully...integrated GFP reporter leaving you with just your desired genomic edit.  Find SRIRACCHA plasmids at Addgene...RFP to GFP expressing cells provides a real-time read out of Cas9 activity.  By using the RFP:GFP ratio...in the genome) and an out-of-frame H2B (histone)-GFP reporter into the genome of mammalian cells.  ...the gRNA used when transfecting your cells.  A plasmid that contains Cas9. The Madison lab also created...
  6. FlipGFP, a novel fluorescence protease reporter to study apoptosis

    Type
    Blog Post
    Published
    May 21, 2019, 12:10 p.m.
    ...self-assembling split GFP (GFP1-9 and GFP10-11) by flipping a single β-strand of GFP, hence the name FlipGFP. FlipGFP...apoptosis reporter, ZipGFP, which utilized the self-assembling split GFP (GFP1-10 and GFP11) to increase fluorescence... reporters (Zhang et al., 2019). How does FlipGFP work? GFP contains 11 β-strands and one central ɑ-helix...Lab used FlipGFP to track the spatiotemporal dynamics of apoptosis during embryo development. GFP fluorescence...diseases and disorders. You can find the plasmids for FlipGFP and FlipCherry at Addgene. References ...system, and cell turnover. Apoptosis is a highly controlled process that is triggered by internal and external...protein-protein interaction sensor based on tripartite split-GFP association." Scientific reports 3 (2013): 2854. ...
  7. X-CHIME: Context Dependent Germline Knockout in Immune Cells

    Type
    Blog Post
    Published
    Jan. 16, 2024, 6:13 p.m.
    ...Table 1). The four systems Name Function Plasmid Transduction Marker Mouse Strain C-CHIME... out a pair of genes pXPR_219 Violet-excited GFP (vex) Rosa26-Cas9 I-CHIME Inducible knockout...knockout of a single gene pXPR_068 Violet-excited GFP (vex) Rosa26-FlpO-ERT2; H11-Cas9 L-CHIME ...types (lineage-based) pXPR_070 Violet-excited GFP (vex) Lineage-Cre; Rosa26-Cas9 S-CHIME Knocks...of genes sequentially pXPR_220 Violet-excited GFP (vex) Rosa26-FlpO-ERT2; H11-Cas9 Table 1: X-CHIME...Concept These systems were benchmarked on positive control genes in CD4+ and CD8+ T cells. To demonstrate ...  The X-CHIME deposit also includes pXPR_071, a plasmid that leads to higher titer lentivirus preparations...
  8. Hot Plasmids and Viral Preps - March 2021

    Type
    Blog Post
    Published
    March 23, 2021, 1:15 p.m.
    ...subset of the new plasmids and viral preps 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...sender” cells express GFP on the surface and “receiver” cells express an anti-GFP nanobody on the cell ...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...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...
  9. When is a Monomer not a Monomer? The Top Three Ways Your Favorite Fluorescent Protein Oligomerizes in Cells

    Type
    Blog Post
    Published
    April 19, 2016, 2:30 p.m.
    ...Fluorescent Protein Resources Find Other Plasmids that Glow (Luciferase Plasmids) Find Optogenetics Resources ...remain unaware that EGFP/GFP is prone to forming noncovalent dimers. This property of EGFP can lead to significant...contributed by guest blogger Erik L. Snapp. Stop using EGFP/GFP for fusion proteins! Despite multiple studies ...protein or Enhanced Green Fluorescent Protein (GFP/EGFP) for a transcriptional reporter or as a general... a tag with a serious drawback. The standard EGFP plasmid that used to be sold by Clontech and is in a...in the world, is not inert. In all seriousness, EGFP/GFP has a real nontrivial propensity to noncovalently...best solution is to use truly monomeric FPs. EGFP and other GFP family members (superfolder, Emerald, CFP...
  10. Popular Retroviral Vectors and Their Uses in Scientific Research

    Type
    Blog Post
    Published
    July 24, 2018, 12:51 p.m.
    ...technology CAG-GFP-IRES-CRE (Plasmid #48201) This retroviral vector from the Gage lab encodes GFP and Cre-recombinase...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...Vectors   Expressing your gene of interest pMKO.1 GFP (Plasmid #10676) Retroviral vector for cloning and expressing... of interest with GFP expression.  Cloning and expressing RNAi pMKO.1 puro (Plasmid #8452) RNA interference...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...
  11. Hot Plasmids - November 2023

    Type
    Blog Post
    Published
    Nov. 14, 2023, 3:35 a.m.
    ...of the new plasmids, antibodies, and viral preps in the repository through our Hot Plasmids articles. .... Today, it's time for another edition of Hot Plasmids!  Here's what you'll find in this post:  New...., 2023 under CC-BY 4.0 License. Find PE6 plasmids here!  Doman, J.L., Pandey, S., et al. (2023)....therapies and medical applications.  Find DIRECTED plasmids here! Strebinger, D., et al. (2023). Cell type-specific... enzyme, Lee and Cheah et al. achieved precise control over when and where the enzyme is active, drastically...pulse-chase experiments, and more. Find LOV-Turbo plasmids here! Next, Qin and Cheah et al. described TransitID...LOV-Turbo into TransitID experiments.  Find TransitID plasmids here! These two developments open up new possibilities...
  12. Our Most Popular Blog Posts from 2019

    Type
    Blog Post
    Published
    Dec. 31, 2019, 2:26 p.m.
    ...feature some recently deposited plasmids every quarter. The “hot plasmids” from last March were quite popular...behalf of scientists. 9. Plasmids 101: Positive and Negative Selection for Plasmid Cloning by Jennifer Tsang...past year: CRISPR, optogenetics, chemogenetics, plasmids, fluorescent proteins, careers, and more. These...s the top 10 blog posts from the year. 10. Hot Plasmids - March 2019 - Anti-CRISPR, 2in1 Cloning, Fluorescent... about mNeonGreen, mTFP1, and mWasabi and find plasmids containing these fluorescent proteins at Addgene... PS: they’re free. 3. Fluorescent Proteins 101: GFP Fusion Proteins - Making the Right Connection by ...Joachim Goedhart shares some strategies for generating GFP fusion proteins. From considering protein size and...
  13. New Optogenetic Tools for Cytoskeleton and Membrane Control

    Type
    Blog Post
    Published
    Sept. 28, 2023, 1:15 p.m.
    ..., VVDfast to control recruitment of an “anchor” to microtubules and iLID-SspB to control the recruitment...reversibly control Rho GTPase activity on a global to subcellular scale, enabling precise control over vascular...Optogenetics gives you the power to control cells or organisms with the flip of a switch. You may be ...with popular light-sensitive ion channels used to control activities like neuronal signaling — think of a... a few recently-deposited optogenetic tools to control the cytoskeleton and cell membrane dynamics. First...module, which are also available as lentiviral plasmids if you want to make a stable cell line. This design...component of the cytoskeleton – actin? Actin dynamics control cell morphology, movement, and more, often driven...
  14. CRISPRainbow and Genome Visualization

    Type
    Blog Post
    Published
    Feb. 28, 2017, 3:30 p.m.
    ...Pitfalls When Using Fluorescent Proteins Control Protein Activity with GFP Resources on Asddgene.org Find Fluorescent...signal to noise ratio of the system, they modified GFP-dCas9 and the gRNA scaffold to enhance complex assembly...the amount of background fluorescence from unbound GFP-dCas9. With these improvements, labeling efficiency...sequences, which recruit fluorescent proteins BFP, GFP, and RFP fused to the respective hairpin binding ...24360272. PubMed Central PMCID: PMC3918502. Find plasmids from this publication at Addgene. 2. Ma, Hanhui...25713381. PubMed Central PMCID: PMC4364232. Find the plasmids from this publication at Addgene. 3. Ma, Hanhui...27088723. PubMed Central PMCID: PMC4864854. Find the plasmids from this publication at Addgene. 4. Kiani, Samira...
  15. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

    Type
    Blog Post
    Published
    March 3, 2020, 2:15 p.m.
    ...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...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...levels similar to that of a single AAV expressing GFP. The lab tested the base editors in vivo and achieved...voltage indicators, however, fall short compared to GFP-based sensors in terms of response and brightness...overcome this overlap, Yiyang Gong’s lab created two plasmids containing a red-shifted Ace-mScarlet, a fusion...
  16. Plasmids 101: What is a plasmid?

    Type
    Blog Post
    Published
    April 2, 2020, 6:17 p.m.
    ...cloning plasmids, expression plasmids, gene knock-down plasmids, reporter plasmids, viral plasmids, and ... of scientists and plasmid lovers - serves as an introduction to plasmids. Plasmids 101 will provide you...quantity inside a cell Plasmids 101: Green Fluorescent Protein (GFP) Plasmids 101: Luciferase Monitor...be asked to design, modify, or construct a plasmid. A plasmid is a small circular piece of DNA found in... components that make up a plasmid and why each is important. Our “Plasmids 101” series designed to educate...advancing the field.   What is a plasmid? At their most basic level, plasmids are small circular pieces of...virulence. All natural plasmids contain an origin of replication (which controls the host range and copy...
  17. Hot Plasmids - August 2020

    Type
    Blog Post
    Published
    Aug. 18, 2020, 1:15 p.m.
    ...subset of the new plasmids and viral preps 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...They generated plasmids tagged with EB3 to mark the growing tips of microtubuli and plasmids tagged with ...and dCas9-VPR targeting plasmids can be found at Addgene. Check out these plasmids for piggyBac gRNA delivery...highlights from recent CRISPR plasmids. To find all of the CRISPR plasmids available from Addgene, head... Find the plasmids at Addgene The MoClo CRISPR/Cas Toolkit for plants includes 95 plasmids consisting... Find the plasmids at Addgene! A new tool for synthetic biology uses CRISPRi to control gene expression...
  18. A New Optogenetic Tool Based on AraC Controls Gene Expression with Blue Light

    Type
    Blog Post
    Published
    June 17, 2021, 1:17 p.m.
    .... pBLADEONLY: This plasmid contains only BLADE and is based on the pTRC99a plasmid. It does not include...Their system is based on the AraC protein that controls transcription from the PBAD promoter. “AraC is...AraC and other promoter systems, head over to our Plasmids 101: Inducible Promoters article.) Modifying AraC...reporter downstream of the PBAD promoter. To use this plasmid with your gene of interest, you would replace mCherry...PBAD promoter. If you already have a pBAD33-based plasmid expressing your gene of interest, all you have ... of interest, under the pBAD promoter, can be controlled with light without the need of any cloning. ...strain transformed with pBLADE expressing superfolder GFP instead of mCherry under the PBAD promoter. They ...
  19. Using Addgene's New Viral Service for Your Research

    Type
    Blog Post
    Published
    Nov. 17, 2016, 3:30 p.m.
    ...delivering control shRNAs, GFP, and rtTA from the Tet-on system. The first two can serve as controls in a variety...virus, and quality control data for each of the materials we distribute. Quality control info can be found...The viral preparations undergo rigorous quality control testing at Addgene meaning they come ready made...accelerate your research.   Why distribute virus? Plasmid distribution is booming, but, over the years, many...list of what’s available or suggest additional plasmids with the Viral Service Suggestion Form. Lentivirus...used to activate expression of a gene under the control of the tet operator. AAV AAVs are the workhorses...are already available allowing you to chemically control neuronal activity while studying your phenotype...
  20. Hot Plasmids May 2018 - Optogenetics, Decaffeination, Biosensors, and Fluorescent Protein Tools

    Type
    Blog Post
    Published
    May 15, 2018, 12:43 p.m.
    .... Various soCoChR plasmids described in this work including the soCoChR-GFP plasmid as well as several...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...write about a recent plasmid deposit please sign up here.     Listen to the Hot Plasmids episode! Expanding...blue light.  Similarly, light can also be used to control homo-oligomerization of a protein fused to CRY2...further probe cellular function. The CRY2clust Plasmid can be found here. Park et al. Nat Commun. 2017..., the Barrick lab has deposited the pDCAF3-IS5 plasmid containing a synthetic operon that enables the ...
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