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We narrowed to 149 results for: gfp gene

Showing: 51 - 100 of 149 results
  1. 28 Hot Plasmid Technologies from 2015

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    Blog Post
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    Dec. 23, 2015, 3:30 p.m.
    ...both the GFP and the RFP proteins in the nucleus. During the first round of translation, the GFP proteins...Compartment mCherry-Rab5 BFP-Rab5 GFP-Rab5B Vacuolar & Budding Compartment GFP-Rab4B Mitochondria mito-BFP...GTPase in division) GFP-Mff (outer membrane protein) Late Endosome mCherry-Rab7A GFP-Rab7A     ... cassette to the gene of interest. The gene to be expressed is amplified using a gene-specific forward...destination vector expressing a separate reporter gene (EGFP, iRFP, IFP1.4, puromycin, neomycin or luciferase...sgRNA-targeted gene, resulting in increased activation of endogenous transcription of the target gene. The brilliant...of downstream genes. Nihongaki et al describe the targeted activation of endogenous genes and detail the...
  2. 22 Hot Plasmid Technologies from 2014

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    Blog Post
    Published
    Jan. 6, 2015, 5:21 p.m.
    ...and GFP shRNA. Mice carrying the R26DsRedR; CRUSH-GFP; and Nestin-Cre alleles showed efficient GFP knockdown...dim GFPs The availability of the three dimensional structure of GFP, its brighter mutant S65T-GFP, and...sequence in between two fragments of EGFP in pCAG-EGxxFP. The EGFP fragments contain 482bp of overlapping...they can successfully create GFP fusion proteins with a variety of genes across the genome. Although this...of Dimitri Deheyn recently identified a family of GFP proteins in the cephalochordate Branchiostoma floridae...effectively targets your gene/region of interest is a key step for CRISPR/Cas9 gene editing. Dr. Masahito...Masahito Ikawa has created a GFP reporter plasmid for scientists to validate the efficacy of their gRNAs. The...
  3. Hot Plasmids and Viral Preps - September 2021

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    Blog Post
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    Sept. 21, 2021, 1:15 p.m.
    ...codon and the coding sequence for a green fluorescent protein (GFP). The success of the A-to-G conversion...through the success of the change in expression of GFP, for the stop codon should have changed from “TGA...cytometry is used to sort populations by mCherry and GFP expression to check for ABE’s. b) Quantification ...systems allow researchers to understand bacterial gene clusters that produce useful natural materials, ...capable of robust expression of high G+C content genes, as validated through monitoring the expression ...human mRNA binding proteins with 10 guide RNAs per gene. The lab modified the lentiviral backbone to encode...pooled library from Junjie Chen's lab targets human genes known or suspected to be involved in DNA damage ...
  4. Multiplex Genome Editing with CRISPR-Cpf1

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    Blog Post
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    May 9, 2017, 2:12 p.m.
    ...array plus a GFP tag. Four weeks post-infection, there was strong expression of Cpf1 and GFP in the targeted...lentiviral transduction One vector expresses Cas9, eGFP, and up to 4 gRNAs Each gRNA requires its own promoter...4 targets when an array of 4 crRNAs, Cpf1, and a GFP tag were transfected on a single plasmid. This is...~75% of neurons were co-transduced with Cpf1 and GFP.  Of these neurons, ~15% had indels at all 3 targeted...Cpf1 multiplexing method, other multiplex CRISPR gene editing methods relied solely on Cas9. Overall, ...Lastly, an AAV vector was used to multiplex edit 3-4 genes in a primary culture of mouse neurons and in vivo...summary of multiplexing efficiency in vivo. Multiplex gene editing with CRISPR-Cpf1 is one of the latest developments...
  5. New Optogenetic Tools for Cytoskeleton and Membrane Control

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    Blog Post
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    Sept. 28, 2023, 1:15 p.m.
    ...activity can be monitored by phosphatidic acid probe GFP-PASS. B) Time series of HEK 293T cells expressing...membrane-targeted SuperPLDx30 (magenta) and PA probe GFP-PASS (green). After 30 minutes of blue light illumination... time or location can be critical when, say, the gene is essential during development and a knockout is...
  6. Hot Plasmids: Fall 2025

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    Blog Post
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    Nov. 11, 2025, 2:14 p.m.
    ...fused to GFP forms fluorescent biomolecular condensates. A GFP-nanobody fused to the killswitch (GFP-nb–KS...protein of interest or targeted to a GFP fusion protein using an anti-GFP nanobody (Figure 4). Once incorporated... within a lox-STOP-lox sequence, followed by the EGFP, and the TEV protease. Once the recipient cells ... excises the DsRed-STOP to trigger expression of EGFP. Figure 2: Schematic of the MitoTRACER system...CRISPRa components to adipose cells to activate genes involved in converting white adipose tissue (WAT... metabolizing glucose to dissipate heat. Of the genes they tested, activating UCP1 had the most potent...increasing oxygen consumption and upregulating other genes normally expressed in BAT. When donor-derived CRISPRa-AAV-treated...
  7. Hot Plasmids - January 2023

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    Blog Post
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    Jan. 31, 2023, 2:15 p.m.
    ...released Anti-GFP [N86/8R] as another option for targeting GFP. But why might you need a second GFP antibody...PMCID: PMC9015817.   Meet anti-GFP [N86/8R]! by: Ashley Waldron Anti-GFP [N86/38.1R] was among the first...on the Anti-GFP [N86/8R] page for more details. Image credit: Addgene.   Find anti-GFP [N86/8R] here...system Heat-inducible lentiviral Car constructs Anti-GFP [N86/8R] ready-to-use antibody Hyperfolder YFP ...were compared head-to-head for gene expression changes of non-target genes and RNA-seq of a nuclear (MALAT1...caused by T cell migration.  CAR expression (or the eGFP proxy for CAR) is elevated at stable levels for ...?  Similarities:  Generated against full length GFP and converted to recombinant form by the NeuroMab...
  8. Multicolor Animals: Using Fluorescent Proteins to Understand Single Cell Behavior

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    Blog Post
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    March 5, 2019, 1:08 p.m.
    ... from the default GFP (green) to RFP, CFP, or YFP fluorescence. In Brainbow 2.1, GFP is tagged with a ...deletion of one or several of these genes permits the expression of genes farther downstream in the construct... two tandem sets of genes aligned head-to-head and the deletion of one of the gene pairs. Brainbow 2.0...incorporates the highly photostable fluorophores mOrange2, EGFP, and mKate2 (red) to solve the problematically low...and activate fluorescence of the downstream OFP, GFP, or RFP. Cells that express the construct but do ...generates cells that randomly express either nuclear GFP, membrane CFP, cytoplasmic YFP, or cytoplasmic RFP...Brainbow uses a Cre/lox system to label neurons. Genes encoding the fluorescent proteins are organized ...
  9. CRISPRainbow and Genome Visualization

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    Blog Post
    Published
    Feb. 28, 2017, 3:30 p.m.
    ...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...detect gene copy number based on the number of fluorescent puncta observed. By labeling two genes of a ...sequences, which recruit fluorescent proteins BFP, GFP, and RFP fused to the respective hairpin binding ...Fluorescent Proteins Control Protein Activity with GFP Resources on Asddgene.org Find Fluorescent Protein...vivo. Catalytically dead Cas9 (dCas9) cannot induce gene editing, but it retains its gRNA-directed targeting...Chen et al. successfully labeled protein-coding genes with both intronic and exonic gRNAs. In fact, the...
  10. CRISPR 101: Mammalian Expression Systems and Delivery Methods

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    Blog Post
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    Sept. 24, 2015, 2:30 p.m.
    ...typically used for gRNA. May contain reporter gene (e.g. GFP) to identify and enrich positive cells or a...separate transfer vectors. May contain reporter gene (e.g. GFP) to identify and enrich positive cells. Likely...permanently knock out or knock-in a gene? Do you want to activate or repress gene expression? Are you trying to... create a fusion with a reporter protein such as GFP? All of these outcomes can be most effectively achieved...repair by non-homologous end joining (NHEJ) or HDR. EGFP validation of sgRNAs: Can evaluate component delivery...efficacy by cloning in genome target sequence into EGFP reporter. Target DNA reporter system: Can evaluate...conjunction with activator or repressor domains to control gene expression. Base editors can help you make precise...
  11. Delivery Methods for Generating iPSCs

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    Blog Post
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    April 17, 2018, 1:37 p.m.
    ...cassette comprised of OCT4, SOX2, LIN28, NANOG, and a GFP reporter. Minicircles are removed from cells by dilution...a single polycistronic vector or multiple single-gene vectors can be used to package reprogramming factors...up-regulation of corresponding endogenous pluripotency genes. Retroviral vectors are prone to incomplete silencing...also disrupt the expression of tumour suppressor genes and/or oncogenes, potentially leading to the presentation... the transposase. The donor plasmid contains the gene(s) of interest flanked by terminal repeat sequences...demethylation and expression of endogenous pluripotency genes (i.e. Oct4) are other measures of reprogramming....pluripotency: history, mechanisms, and applications." Genes & Development 24, no. 20 (2010): 2239-263. PubMed...
  12. Neuronal labeling with Spaghetti Monster

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    Blog Post
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    Aug. 14, 2018, 12:42 p.m.
    ... structures GFP is limited in its ability to label subcellular structures in the CNS. GFP and other FPs...connectomic tracers Fluorescent proteins such as GFP have been used for a long time as probes to study...fluorescent signals or using anti-FP antibodies. GFP emits light in only a single channel. In multi-color...these FPs is that they are less photostable than GFP. In addition, antibody-based amplification of their..., prone to aggregation and cross-react with anti-GFP antibodies, making them difficult to use in a multicolor...with high fidelity and at lower concentrations than GFP. smFPs enable better labeling of these fine structures...moleculare were better resolved with smFP_FLAG than GFP.   3. Enhanced ability to distinguish weakly expressed...
  13. Hot Plasmids: Spring 2025

    Type
    Blog Post
    Published
    June 3, 2025, 1:15 p.m.
    ...Addgene cloned EGFP into pAG Lenti CMV N-HA Puro (Addgene #236079) to create pAG Lenti CMV HA-EGFP Puro (Addgene...excited to share our very own set of empty, HA-, and EGFP-expressing lentiviral backbones designed right here... packaging and strong expression after inserting EGFP and provide step-by-step protocols for viral generation...Figure 2). Looking for more? Explore our empty and EGFP retroviral plasmid set, our bacterial plasmid set...and labeled with primary antibody (0.01 µg/mL Anti-GFP [N86/38.1R] (Addgene #180084), 0.01 µg/mL Anti-HA... Strong expression: A CMV promoter drives robust gene expression in mammalian cells. Flexible tagging:...tag. Selectable and stable: A puromycin resistance gene makes stable cell line creation a breeze. Modular...
  14. Plasmids 101: What is a plasmid?

    Type
    Blog Post
    Published
    April 2, 2020, 6:17 p.m.
    ...quantity inside a cell Plasmids 101: Green Fluorescent Protein (GFP) Plasmids 101: Luciferase Monitor...typically include a gene that is advantageous for survival, such as an antibiotic resistance gene. In contrast...the target gene. Vital component for expression vectors: determines which cell types the gene is expressed...replication machinery proteins Antibiotic Resistance Gene Allows for selection of plasmid-containing bacteria...MCS is often downstream from a promoter. Insert Gene, promoter or other DNA fragment cloned into the ...obtained. Selectable Marker The antibiotic resistance gene allows for selection in bacteria. However, many ...referred to as “vectors” or “constructs.” To insert a gene of interest into a vector, scientists may utilize...
  15. Plasmids 101: Control Plasmids

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    Blog Post
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    April 9, 2015, 3:29 p.m.
    ...expression of Gene X using shRNA expressed from a plasmid   Figure 1: Expression Level of Gene X The results... level of Gene X in cells treated with Plasmid A is similar to the expression level of Gene X in the untreated...constitutively expresses a reporter protein (e.g., GFP or luciferase) that is either co-transfected with...result in Figure 1, an internal control, such as the GFP-expressing Plasmid B, could demonstrate whether the...transfection was not successful due to the absence of GFP fluorescence from the living, viable cells. This ...backbone itself on gene expression in your target cells. In experiments employing gene targeting or genome...trying to repress a gene, your control might be a system where expression of that gene is knocked out completely...
  16. Easi-CRISPR: Generating Knock-In and Conditional Mouse Models

    Type
    Blog Post
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    April 5, 2018, 12:42 p.m.
    ...commonly used cassettes, such as fluorescent proteins (EGFP, mCherry etc.), recombinases (Cre, Flp etc.), and...mutations, the 8-10 month process of conventional gene targeting is lowered to about 2-3 months. But certain...indel, often occur. Figure 1: In conventional gene targeting (A), you must first generate your desired...example of inserting a 2A-FlpO cassette into the Fgf8 gene. Miura et al. (2018) suggest using a 50-80 bp sequence...
  17. 15 Hot Plasmids from 2017

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    Blog Post
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    Jan. 9, 2018, 3:02 p.m.
    ...along with EGFP while retaining an emission spectrum that is easily separable from that of EGFP. This makes...spectra (N- and C-terminal tags for mTagBFP, TagRFPt, EGFP, mVenus, mCerulean3, mKOFP2) and empty vectors that...-positive assay) as well as stabilization (Nanog-GFP reporter activation and silencing of factor-linked...and combined it with a variety of reporters (i.e. eGFP) and effectors (i.e. DREADDs). The team demonstrated...mCyFP1, the Lin and Yasuda groups use both mCyFP1 and EGFP as FRET donors in experiments simultaneously measuring... B. subtilis Single Gene Deletion Library—Kanamycin and the CRISPRi Essential gene Knockdown library. ...understanding of B. subtilis gene functions and interactions. The single-gene deletion library is derived...
  18. Plasmids 101: How to Name Your Plasmid in 3 Easy Steps

    Type
    Blog Post
    Published
    Feb. 13, 2014, 1 p.m.
    ...pBACKBONE-Flag-hGene(Q295A)-EGFP  Wildtype version: pBACKBONE-Flag-hGene-EGFP or pBACKBONE-Flag-hGene(wt)-EGFP These simple...first. pBACKBONE-Flag-hGene If there was also an EGFP fused to the C-terminal of your insert you would...would list it after the insert. pBACKBONE-Flag-hGene-EGFP Other considerations  If your insert contains a ...This is often a 3-6 letter representation of the gene (or DNA sequence). pBACKBONE-hGene Tip: Often researchers...
  19. Quick Guide to All Things Lentivirus

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    Blog Post
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    March 21, 2017, 2:30 p.m.
    ...cells - one containing the gene of interest (pTet-IRES-EGFP, pPRIME-Tet-GFP-FF3) and one with either tTA...the env gene containing the rev response element (RRE), an internal promoter, and the desired gene (transfer...-1 genome containing all viral genes with the exception of the env gene (packaging plasmid), and 3) the...used to express your gene of interest either constitutively or inducibly. If your gene of interest is toxic...expression of your gene. The addition of Dox in the culture will then repress your gene of interest. This...viral titre to the number of cells transduced by a GFP encoded virus, and the reverse transcriptase activity... Youichi Suzuki (2011). Gene Regulatable Lentiviral Vector System, Viral Gene Therapy, Dr. Ke Xu (Ed.)...
  20. Choosing Your Perfect Empty Backbone

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    Blog Post
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    Aug. 19, 2014, 3:39 p.m.
    ... allow you to visualize YGOI in vivo (try pcDNA3-EGFP). If you can get away with generating transiently...using a reporter vector to tag YGOI with lacZ and/or GFP (e.g. pPD80_08) and following the expression pattern...applications used to study gene function. From making transgenic animals, gene targeting and genome modifications...These vectors allow you to test the function of Your Gene Of Interest (YGOI) in a controlled environment under...design. You can create a new strain with a disrupted gene by transforming wild-type yeast with an integrating...modifications to reporter vectors (e.g. pBV-Luc) and gene silencing (e.g. pLKO.1 - TRC cloning vector). Check...
  21. Bright Monomeric Fluorescent Proteins: mNeonGreen, mTFP1, and mWasabi

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    Blog Post
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    April 25, 2019, 3:01 p.m.
    ...mNeonGreen: a yellow-green fluorescent protein mNeonGreen is a yellow-green fluorescent protein that was derived...substitutions to LanYFP and the addition of the enhanced GFP (EGFP)-type termini. mNeonGreen was reported as...bright, monomeric green fluorescent protein. In vitro, mWasabi is 1.6-fold brighter than EGFP and is photostable...it can be imaged either with standard green fluorescent protein filters or yellow fluorescent protein ...mTFP1 plasmids here! mWasabi: a bright green fluorescent protein The team that developed mTFP1 further ...it does not significantly excite at 400 nm while EGFP does. Find mWasabi plasmids here! One of the most...Nathan C., et al. "A bright monomeric green fluorescent protein derived from Branchiostoma lanceolatum...
  22. Plasmids 101: FLEx Vectors

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    Blog Post
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    April 28, 2016, 2:30 p.m.
    ...sequence (such as GFP) in the sense orientation, followed by coding sequence of the gene you would like ...rescue of a gene knockout: To test if the phenotype you are observing is really due to a single gene deleted...et al. Nat Biotech 2003): In the presence of Cre, GFP expression is lost, allowing for rescued expression...recombination elements to turn off expression of one gene, while simultaneously turning on the expression ...tool for researchers to conditionally manipulate gene expression in vivo using site-specific recombination...orientation, and type of target sites that flox your genes of interest, a powerful FLEx switch can be created...lies in the ability to conditionally turn off one gene and activate another. In the field of mouse genetics...
  23. Hot Plasmids: Fall 2024

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    Blog Post
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    Nov. 21, 2024, 1:30 p.m.
    ...considerably faster, with expression levels comparable to GFP during early embryogenesis (Figure 3). mScarlet-I3...through the middle of each embryo are shown, comparing GFP, wrmScarlet (mScarlet), and the new mScarlet3 and... focal adhesion marker paxillin (visualized with GFP). Reprinted with permission from Zhong et al, 2024...shorter than many popular fluorescence markers like GFP (510 nm), allowing co-imaging. And because bioluminescent...tags for live imaging in C. elegans CRISPR/Cas9 for gene disruption in M. abscessus  Bioluminescent reporter...iyae126. https://doi.org/10.1093/genetics/iyae126.   Gene disruption in Mycobacterium abscessus using a dual-plasmid...developed a novel dual-plasmid CRISPR/Cas9 system for gene disruption in Mycobacterium abscessus, an increasingly...
  24. Hot Plasmids - May 2022

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    Blog Post
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    May 26, 2022, 1:15 p.m.
    ...line expressing a GFP-tagged version of a protein of interest. The binding of the GFP nanobody to its target... proximity to the GFP-tagged protein (albeit slightly offset due to the nanobody-GFP interaction). The...ligase TurboID fused to a conditionally stabilized GFP-nanobody rather than a specific protein of interest...dCas9 and microbial SSAPs (dCas9-SSAP) which insert genes in a cleavage free manner. The dCas9-SSAP system...Fig. 3: Development of a cleavage-free dCas9-based gene editor using microbial SSAPs. Image from Wang, et...
  25. Rosella: A Fluorescent pH-Biosensor for Studying Autophagy

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    Blog Post
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    April 13, 2017, 2:30 p.m.
    ... is time consuming. GFP-tagged Atg8p or LC3: ATG8 is part of a group of genes that affect autophagy ...with autophagosomal membranes, so tagging it with GFP allows for tracking the localization or accumulation...autophagosomes and autophagic bodies in yeast. A GFP-tagged version of LC3, the mammalian Atg8p homolog...pH-insensitive RFP variant, DsRed.T3 and a pH-sensitive GFP variant, super ecliptic pHluorin (SEP). They are ...Fluorescent Protein Oligomerization Seeing Red: Simple GFP Photoconversion Light Sheet Fluorescence Microscopy...Alkaline phosphatase activity: In yeast, the PHO8 gene encodes a vacuolar alkaline phosphatase. Normally...
  26. Hot Plasmids - February 2022

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    Blog Post
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    Feb. 22, 2022, 2:15 p.m.
    ...anti-FLAG-FB-GFP binding to FLAG-tag H2B for nuclear localization. (c) Applications of anti-FLAG-FB-GFP labeling...between MARCH5 and WSB2 genes using Cas12a’s ability to knock out multiple genes in parallel. Lastly, this...to induce high levels of gene activation for both reporter and endogenous genes. It is highly specific ...screening technique using Cas12a for multiplexed gene perturbation The Penn State Protein Ladder Engineered...frankenbodies to amplify the signal.  Liu et al. Genes Cells. 2021. https://doi.org/10.1111/gtc.12893, ...screening technique using Cas12a for multiplexed gene perturbation by: Gabrielle Clouse While many CRISPR-based...screening methods have primarily used Cas9 to knock out genes, researchers at the Genetic Pertubation Platform...
  27. Save Time with Transient Plant Leaf Transformations

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    Blog Post
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    July 25, 2019, 12:03 p.m.
    ...by replacing the genes on the T-DNA region with our gene of interest or a reporter gene so that the transformation...Evaluation and comparison of the GUS, LUC and GFP reporter system for gene expression studies in plants." Plant...tissue. Gene function is commonly studied by transiently silencing and/or overexpressing a gene of interest...the plant. A common method for silencing genes Virus induced gene silencing (VIGS) is a transient technique...transformation. Choose good reporter genes There are many great reporter genes available and which one you choose...transformation success. Some reporter gene examples are below. The GUS gene (β-glucuronidase) with histochemical...tMAS::rLUC-I::pMAS. Fluorescent proteins (FP, e.g. GFP) can be used in many ways. Often a FP is fused to...
  28. With Our New Viral Service, We're Taking CRISPR Further!

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    Blog Post
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    Dec. 6, 2016, 3:30 p.m.
    ...targeting EGFP, BRAF, and MAP3K4. The gRNAs targeting EGFP can be used as positive controls for gene editing...provide the Brunello (targeting human genes) and Brie (targeting mouse genes) pooled libraries from the labs...editing. You can also enhance expression of your gene of interest with a variety of Cas9 activators available...editing or gene activation, while the BRAF and MAP3K4 gRNAs allow you to target these widely studied signalling...pooled gRNA libraries that can be used to screen for genes involved in a wide variety of cellular processes...80,000 gRNAs to target around 20,000 individual genes. We provide enough lentivirus for you to both perform...
  29. Hot Plasmids - August 2020

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    Blog Post
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    Aug. 18, 2020, 1:15 p.m.
    ...GABA-ergic interneurons. These include mDlx-GFP, hDlx-FLEX-GFP, hDlx-Flex-dTomato, mDlx-GCaMP6f, hDlx-GiDREADD-dTomato...stem cells By Jennifer Tsang CRISPR gene interference (CRISPRi) and gene activation (CRISPRa) are great ways...introduced into the hPSC genome using AAV1 and contain an EGFP reporter. Expression of the dCas9-KRAB activator...nucleus and modulate transcription of the mCitrine gene. mCherry is constitutively expressed. Cells are ...selectivity and found that the best motif was from the Lck gene. For marking microtubules of mammalian cells, the... ways to modulate the expression of nearly any gene via specific guide RNA (gRNA) sequences. But these...tool for synthetic biology uses CRISPRi to control gene expression. This includes a CRISPRi-based synthetic...
  30. Visualizing Translation at the Single Molecule Level

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    Blog Post
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    Aug. 1, 2017, 1:15 p.m.
    ...switching, TRICK requires the following components: a GFP protein that binds to the coding region of a reporter...reporter mRNA via a PP7 coat protein (NLS-PCP-GFP) an RFP protein that binds to the 3’ UTR of the reporter...Plasmid 64542 or 64543) Before translation, both GFP and RFP are bound to the reporter, causing it to ...appear yellow. The act of translation pushes NLS-PCP-GFP off of the mRNA, leaving only a red FP bound to the... contains a nuclear localization signal, NLS-PCP-GFP then returns to the nucleus to bind cognate untranslated...verified that translation is necessary for removal of GFP from the TRICK reporter. Delayed translation is known...Oskar protein levels were negatively correlated with GFP intensity, showing that TRICK is an accurate readout...
  31. Hot Plasmids: Summer 2024

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    Blog Post
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    Aug. 27, 2024, 1:15 p.m.
    ...capture module (SpyTag-GFP nanobody) assembled on beads. C) Micrograph of H1.8-GFP nucleosomes collected...In MagIC-cryo-EM, target proteins (expressed as a GFP fusion in this proof-of-concept study) are captured...SpyTag-SpyCatcher linkers and spacer proteins ending with a GFP nanobody (Figure 1). This enrichment streamlines ...) 3D model of the obtained structure of the H1.8-GFP-bound nucleosome. Images adapted from Arimura et ...on Prime-editing-Assisted Site-Specific Integrase Gene Editing (PASSIGE), their previously-reported technique...). Efficient site-specific integration of large genes in mammalian cells via continuously evolved recombinases...doesn’t induce DNA damage or permanently alter a gene product; it simply turns the target protein expression...
  32. The Michael Davidson Collection: One-Stop Shop for Fluorescent Proteins

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    Blog Post
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    July 29, 2014, 6:16 p.m.
    ...sun, from the standard oldies but goodies (e.g., EGFP and YFP) to the new and improved fruit colors (e.g...attach the gene of interest to either the N-or the C-terminus. Even if a researcher’s gene of interest...from Joachim Goedhart: Fluorescent Proteins 101: GFP Fusion Proteins - Making the Right Connection.  ...
  33. Hot Plasmids and Viral Preps - May 2021

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    Blog Post
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    May 18, 2021, 1:15 p.m.
    ...  After validating this method through monitoring GFP degradation, this protein compartment was used to...library - Ampl133 targets S. cerevisiae genes with 6-12 guides per gene where gRNA expression is induced by...from Liqun Luo’s lab expresses membrane tethered GFP to enhance axonal labeling and synaptophysin-tagged...tdTomato and pre-synaptic targeted synaptophysin tagged eGFP. AAV phSyn1(S)-FLEX-tdTomato-T2A-SypEGFP-WPRE from...a high efficiency intron-optimized SpCas9-coding gene. SlugCas9 is a compact Cas9 ortholog from Staphylococcus...
  34. Nanoblades: Tiny CRISPR Ninjas for Genome Editing Difficult Cells

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    Blog Post
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    Sept. 26, 2019, 12:50 p.m.
    ...cell type Gene targeted by guide Editing efficiency hiPSCs  EMX1  67% Mouse BM cells from GFP transgenic...transgenic mouse  GFP  ~60-65% Human hepatocytes  Myd88  ~50% Human HSCs  Myd88  ~50% Table 1: Nanoblades...repression, transgenic mouse line creation, and in vivo gene editing of mice, with the potential to be used for...Nanoblades Primary cells are often refractory to gene delivery methods, but the researchers was able to...mouse BM cells when using a gRNA targeting the Fto gene, while editing was not detected in cells electroporated... used Nanoblades to disrupt the tyrosinase (Tyr) gene in mouse zygotes, which results in albinism in mice....  Nanoblades can also be used to non-invasively gene edit the liver of adult mice. When mice were IV ...
  35. Plasmid Tools for Microbiome Studies

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    Blog Post
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    June 27, 2019, 12:25 p.m.
    ... and allows translation of the reporter gene resulting in GFP signal. With the addition of standards, ...selectable marker and a desired genetic payload (ex: GFP). Thus, cells can be both sorted using FACS and isolated...ribosome binding site (RBS) followed by a reporter gene. The hairpin blocks translation by sequestering ...antibiotic resistance markers, promoters, and inducible gene expression systems in bee gut microbiome species...or preparation, and deliver CRISPR components for gene disruption or CRISPRi. While designed to study the...
  36. 10 Great Guest Posts We're Thankful For

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    Blog Post
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    Nov. 18, 2016, 3 p.m.
    ...Favorite Fluorescent Protein Oligomerizes in Cells GFP oligomerization can lead to misleading artefacts ...repression of your target gene, activation and repression of different genes in a single cell, and localization...It’s nearing the end of #DepositorWeek at Addgene and we’d like to show our gratitude on the blog by ...replication and transcription as well as reporter genes. To learn how you can use minigenomes in your research... them in action. AAV: A Versatile Viral Tool for Gene Expression in Mammals Adeno-associated viruses (... (AAVs) are commonly used to deliver a genes of interest to a variety of cell types in-vivo. These are...localization of a fluorescent signal to your target gene. Read this post to find out more about how the Casilio...
  37. Fluorescent Protein Travel Awards - Protein Variants, a Serotonin Sensor, and an Artificial Leaf Replica System

    Type
    Blog Post
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    June 4, 2019, 1:02 p.m.
    ...variant library is monitored by fusing the variants to eGFP followed by an internal ribosomal entry site and...a variant has wild-type levels of abundance, the eGFP will be stable and fluoresce. But if the variant...unstable, it will be degraded, leading to reduced eGFP fluorescence. Cells expressing the library are then...fluorescent protein topics page Get the basics on GFP Find microbiology blog posts Resources on Addgene.org...the control of promoters that control cell cycle gene expression.  Additional Resources on the Addgene...
  38. Chromoproteins: Colorful Proteins For Molecular Biology Experiments

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    Blog Post
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    Feb. 4, 2020, 2:15 p.m.
    ...light. In contrast, the widely used green fluorescent protein (GFP) gives a bright green fluorescence ...contain a toxin gene (regulated by a rhamnose-inducible promoter) and a chromoprotein gene. Allelic exchange...the plate. For example, if your plasmid contains a gene encoding a blue chromoprotein, after transforming...3: pTOX plasmids expressing amilCP and tsPurple genes. Image: Lazarus et al., 2019. One such lab is...
  39. Hot Plasmids June 2018 - Reverse transcriptase, nanobody, and protein-DNA interaction tools

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    Blog Post
    Published
    June 27, 2018, 1:16 p.m.
    ...includes a set of plasmids each containing an anti-GFP nanobody fused with a different functional element...using different detection methods. Since the anti-GFP nanobody is able to bind fluorescent proteins derived...here can be used to target any protein fused with GFP, YFP, mCerulean, or other related fluorophores. Find...specifically investigated protein binding at the TERT gene, but this method enables the unbiased discovery ...
  40. Hot Plasmids and Viral Preps - March 2021

    Type
    Blog Post
    Published
    March 23, 2021, 1:15 p.m.
    ...sender” cells express GFP on the surface and “receiver” cells express an anti-GFP nanobody on the cell ...to track cell-cell interactions By Jennifer Tsang GFP-based Touching Nexus (G-baToN) is a new tool developed...cell surface. When the cells interact, GFP is transferred to the receiver cell, and the receiver cell turns...other fluorophore/antibody pairs. Because the anti-GFP nanobody cross-reacts with BFP, sender cells expressing...expression of cytoplasmic-tdTomato and Synaptophysin-GFP. Synapse targeting GCaMP6s from the Rylan Larsen ...from Jiazhang Lian’s lab that enables simultaneous gene activation, repression, and editing with a single...
  41. New Viral Vectors - Summer 2024

    Type
    Blog Post
    Published
    July 9, 2024, 1:15 p.m.
    ...Category Depositor  Notes pAAV_hSyn-SIO-stChrimsonR-EGFP-P2A-PdCO-miniWPRE AAV1, AAV5 Optogenetics Yizhar...service with multiple serotypes pAAV_hSyn-PdCO-EGFP-WPRE AAV1, AAV5 Optogenetics Yizhar New viral service...promoter. Use this for doxycycline inducible (tet-off) gene expression! We've also added AAV1 and AAV5 preparations...
  42. Sleeping Beauty Awakens for Genome Engineering

    Type
    Blog Post
    Published
    June 30, 2015, 2 p.m.
    ...both introduce genes into an organism’s genome (see figure) and to disrupt endogenous genes at the site ..., hygromycin) and fluorescent protein reporters (GFP, BFP, RFP, no FP). The vectors each contain two SfiI...of genome engineering - such as certain forms of gene therapy - avoiding the use of viruses is also important...mirrored set of inverted repeats (green) flanking the gene of interest (blue) in a plasmid backbone. A separate...separate plasmid contains the transposase gene (red) for expressing the transposase enzyme.2.) The transposase...Additionally, the TA sequence is duplicated near the gene of interest insertion site.   The Sleeping Beauty...one such system which has been designed to perform gene transfer in vertebrates. The system is comprised...
  43. Antibodies 101: Single Chain Fragment Variables (scFvs)

    Type
    Blog Post
    Published
    June 3, 2021, 1:15 p.m.
    ...binding scFv that’s fused to GFP. When the multiple copies of the scFv-GFP fusion bind the SunTag scaffold...scFv that’s fused to a fluorescent protein such as GFP. The HA frankenbody works just like an antibody-based...   Some phage display libraries screen antibody genes from B cells of immunized animals, but it's possible...screening scFv generated from the B cell antibody genes from diseased or vaccinated humans. How do you produce....1791  Deal CE, Balazs AB (2015) Vectored antibody gene delivery for the prevention or treatment of HIV ...
  44. Evolution of Brainbow: Using Cre-lox for Multicolor Labeling of Neurons

    Type
    Blog Post
    Published
    April 24, 2015, 2:39 p.m.
    ...may be the hot new way to manipulate gene expression, but other gene manipulation systems remain valuable...-2.1 construct can express one of four colors (n-GFP, RFP, YFP or M-CFP.) The construct contains two tandem... and sequence overlap (coral mOrange2, jellyfish EGFP, and sea anemone mKate2.) They then successfully... is retained in Brainbow-3.0, but with mOrange2, EGFP and mKate2 as the fluorophores; mOrange2 is the ...important ways to spatially and temporally control gene expression, especially in in vivo models, and new...
  45. Hot Plasmids Spring 2024

    Type
    Blog Post
    Published
    May 23, 2024, 1:15 p.m.
    ...Figure 5: A) Representative confocal images showing GFP expression from ssAAV5s with hIBA1 or hIBA1a promoters...Quantifications showing high microglia specificity of GFP expression for the indicated ssAAV5s. C) Quantifications...REVeRT, for gene delivery using reconstitution via mRNA trans-splicing. By splitting a large gene into smaller...hIBA1a, 466 bp) that drives high microglia-specific gene expression when incorporated in an AAV vector (Figure...doi.org/10.1101/2023.12.12.571321.  Revolutionizing Gene Therapy: The REVeRT Dual AAV Vector System By Vaibhav...AAVs, and then splicing their mRNAs, the functional gene product is reconstituted within the target cells... extraneous genetic material to reconstitute the gene of interest, reducing the immunogenicity typically...
  46. Quick Guide to Near-Infrared Fluorescent Proteins

    Type
    Blog Post
    Published
    Oct. 5, 2021, 1:15 p.m.
    ...NIR FPs can be used similar to GFP-like probes by supplying a single gene to cells. Still in bacteria, ...crosstalk-free three-color imaging with green and red GFP-like FPs (Shcherbakova et al., 2016), as well as ...for miRFPnanos, 35 kDa for miRFPs, and 27 kDa for EGFP) and a possibility to be used as internal tags due... normalization to fluorescence of co-transfected EGFP. e Originally reported as a monomer16, IFP2.0 was..., which do not produce BV, an additional gene coding for heme oxygenase should be supplied (Baloban et...
  47. Opto-Nanobodies: Using Light to Manipulate Cell Signaling and Protein Purification

    Type
    Blog Post
    Published
    Nov. 19, 2019, 2:08 p.m.
    ...Lab monitored how AsLOV2 insertion into mCherry or GFP nanobodies affected binding of their target proteins...co-localization with a membrane-localized mCherry or GFP protein. With this system, if the OptoNB can bind...more OptoNBs, one against mCherry and one against GFP. Insertion of AsLOV2 into loop 1 always generated....  AsLOV2 Inertion Site mCherry #1 mCherry #2 GFP Loop 1 dark-induced dark-induced dark-induced ...telephone, until the message reaches the nucleus where gene expression changes lead to cell proliferation and...
  48. An “elegans” Approach to Better CRISPR/Cas9 Editing Efficiency

    Type
    Blog Post
    Published
    Dec. 17, 2020, 1:30 p.m.
    ...drug resistance (Chen et al., 2013), fluorescence (GFP; Tzur et al., 2013), or rescue of mutant phenotypes...homology arms to knock in large epitopes, such as GFP (Paix et al., 2014). A further development of this...efficiencies, obtaining as many as 100 independent GFP knock-ins from a single injected animal.  PAM sequence... one of the model organisms which I use to study gene regulation during developmental processes, CRISPR...Craig Mello’s lab – used inactivation of the unc-22 gene as their selection marker (Kim et al., 2014). Meanwhile... I was able to knock-in a 2xFLAG epitope into my gene of interest, I encountered low efficiency (0.13%...yeast cells using modified Cas9 proteins to regulate gene expression (CRISPRi/CRISPRa), visualize specific...
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