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We narrowed to 296 results for: promoter

Showing: 21 - 40 of 296 results
  1. Top Requested AAV of 2017: pmSyn1-EBFP-CRE

    Type
    Blog Post
    Published
    Jan. 17, 2018, 2:57 p.m.
    ... recombinase under the control of the synapsin promoter. It can be used to drive Cre expression specifically...cassette under the control of an otherwise ubiquitous promoter. You could make an entirely new mouse line with...with mCherry controlled by a neuron specific promoter or you could breed your Cre-dependent mCherry line...Because Cre expression is controlled by the synapsin promoter, it and therefore mCherry will only be expressed...
  2. Your Top Requested Plasmid in 2016!

    Type
    Blog Post
    Published
    Jan. 11, 2017, 8:47 p.m.
    ...pyogenes (Sp) Cas9 from a Cbh promoter. Cbh is a modified version of CAG promoter that the Zhang lab has tested...imporant is that, upstream of the Cbh promoter, this plasmid has a U6 promoter followed by BbsI restriction sites...
  3. DAP arrays for multiplex gene editing

    Type
    Blog Post
    Published
    July 7, 2022, 1:15 p.m.
    ...strategy, the need for lengthy promoters, such as U6 or EF1α promoters, has limited the number of gRNAs...assembled tRNA-gRNAs is placed downstream of a lengthy promoter, which is used to drive the expression of the ...expression of itself, without using any additional promoter, which is followed by tRNA processing to release...human or plant sources) in both the strength as a promoter and the activity to release gRNAs from DAP array...-gRNA arrays, that rely on an upstream lengthy promoter to express the gRNA array, DAP arrays use tRNA...
  4. Synthetic Photobiology: Optogenetics for E. coli

    Type
    Blog Post
    Published
    Sept. 8, 2015, 2:30 p.m.
    ...experimented with the promoter strength of various components, removing inducible promoters that could crosstalk...outcome is directed transcription from a given promoter. To harness the power of light, Christopher Voigt... activates the RR (OmpR) via phosphorylation, promoting transcription (see figure below). Subsequent exposure...activates the response regulator via phosphorylation, promoting transcription of a GFP reporter. Subsequent exposure...chromosomally. Leakiness was also an issue; some promoter activity persisted in the inactive state. The ...
  5. Viral Vectors 101: Viral Vector Elements

    Type
    Blog Post
    Published
    July 25, 2023, 1 p.m.
    ... the goal, a promoter should flank this component as well. On both sides of this promoter-gene combo are...3’ LTR, respectively, act as RNA polymerase II promoter and terminator regions and are slightly different...between two inverted terminal repeats (ITRs) is the promoter and cargo, in that order. This will all be ssDNA..., which encompass the expression construct and promoter that you wish to deliver to your target cells....
  6. Multiplex Genome Editing with CRISPR-Cpf1

    Type
    Blog Post
    Published
    May 9, 2017, 2:12 p.m.
    ...cleavage sequence, tRNAs, multiple individual promoters).  spCas9 and its gRNAs are also larger than their...and up to 7 gRNAs Each gRNA requires its own promoter Sakuma et al   Multiplexed Lentiviral Expression..., and up to 4 gRNAs Each gRNA requires its own promoter   Kabadi et al Csy4-Cleavable Cassettes transfection...expressed in 293 cells. This allows for a single promoter to drive expression of a crRNA array and doesn...arrays eliminates the need to include multiple promoters to drive crRNA expression and sequences that allow... Zetsche et al reverses the orientation of the promoter driving expression of the crRNA array (bolded ...
  7. Plasmids 101: Terminators and PolyA signals

    Type
    Blog Post
    Published
    March 31, 2016, 2:30 p.m.
    ...polyadenylation generally serves to promote transcript longevity in eukaryotes and promote transcript degradation ...termination. In a previous post we discussed the promoter's role in the initiation step of gene transcription...or poly(A) signal. While many studies focus on promoter strength as a determinant of gene expression levels...rbGlob) include the sequence motif AAUAAA which promotes both polyadenylation and termination. Out of those...but Has the Potential to Reduce Viral Titer in a Promoter-Dependent Manner. Hum Gene Ther. 2008. PMID: 18627247... Resources on the Addgene Blog Learn how the Promoter Controls Gene Expression Learn about New Cloning...
  8. A Primer on Optogenetics: Introduction and Opsin Delivery

    Type
    Blog Post
    Published
    Sept. 10, 2015, 2:30 p.m.
    ...of a generic promoter). A DIO opsin allows cell type specificity dependent on the promoter of the cre recombinase...for sufficiency of your circuit of interest in promoting reward is a self-stimulation experiment wherein...developed many of these AAV constructs with various promoters and other genetic manipulations to help restrict...specific neuronal subtype. However, the length of promoter that can be used in an AAV construct is limited...few kb so attaining neuronal specificity through promoter-directed expression alone is extremely limited...Therefore, highly expressing, generic neuronal promoters such as synapsin or camKIIα drive most of the ...taking advantage of the robust expression via the promoter in the AAV construct. Stereotaxic surgery  ...
  9. Plasmids 101: Modular Cloning

    Type
    Blog Post
    Published
    March 12, 2024, 1:15 p.m.
    ... individual part, this category also includes promoters, UTRs, terminators, etc. Once selected, individual...one or more gene(s), and typically begin with a promoter and end with a terminator. A simple TU could be... be comprised of just three parts: promoter, gene, and terminator.   Fig 1. MoClo enables individual...three steps: Level 0: Cloning of basic parts (promoters, UTRs, genes, tags, etc.) into MoClo-compatible...maximize production potential. For example, the best promoter for a given peptide can easily be tested by generating...generating Level 1 TUs with unique promoters, and the ideal phosphatase (or any modifying enzyme) to pair...additional components such as selectable markers, promoters, enhancers, etc. MoClo is especially useful for...
  10. Hot Plasmids - December 2019 - CRISPR pooled library, LipoGlo, CRISPRa, and Voltage Imaging Tools

    Type
    Blog Post
    Published
    Dec. 10, 2019, 1:58 p.m.
    ...σ54-based transcription. Transcription from σ54 promoters requires binding of bacterial enhancer binding...proteins (bEBPs) at a sequence upstream of the promoter called the upstream activating sequence (UAS)....gRNA complex which allows transcription from the promoter.  They found that the system is active in E. coli... and displays high dynamic range. However, the promoter in question must be σ54-dependent and the system...and further the study of natural σ54-dependent promoter systems. Find these CRISPR activation plasmids...
  11. Quick Guide to All Things Lentivirus

    Type
    Blog Post
    Published
    March 21, 2017, 2:30 p.m.
    ...and the promoter of the 5’LTR has been deleted to reduce its activity. A CMV or an EF1α promoter has been...the control of two different promoters. Both the single and dual promoter transfer vectors can be used...containing the rev response element (RRE), an internal promoter, and the desired gene (transfer vector plasmid...entry site (IRES) and expressed under the same promoter. Alternatively, your gene and the marker can be...cell cycle, a transfer vector with an inducible promoter (see below) should be used. Inducible lentiviral...Tet-response element (TRE) is placed upstream of the promoter in your transfer vector. In the absence of tetracycline...
  12. 28 Hot Plasmid Technologies from 2015

    Type
    Blog Post
    Published
    Dec. 23, 2015, 3:30 p.m.
    ...fluorescent proteins, 8 constitutive promoters, 2 includible promoters, 3 polyA terminators and various pieces...sequences. Several pre-constructed promoter-selection marker or promoter-inducible expression related vectors...all chemically inducible promoters; 3) improving the strength of the promoters used; and 4) optimizing ...ideal promoter/location combination. However, other constructs which contain different promoters and/or...to study the human GM-CSF promoter and enhancer, a finely regulated promoter controlled by a mixture of...multiple copies of a transcription factor to a promoter and localization of a protein via the presence...are inserted between the truncated gene and the promoter to prevent leaky expression of this resistance...
  13. Fluorescent Proteins 101: Green Fluorescent Protein (GFP)

    Type
    Blog Post
    Published
    May 15, 2014, 3:33 p.m.
    ... of a promoter of interest can be used to effectively monitor gene expression from that promoter in a ...control of promoters of interest, to visualize the developmental stage at which these promoters are active...studying protein-protein interactions, visualizing promoter activity, and much more. Read on to learn more...have the GFP under the control of an additional promoter from that of the gene of interest, or expressed...
  14. Viral Vectors 101: An Introduction to AAV

    Type
    Blog Post
    Published
    May 30, 2023, 1:15 p.m.
    ...specialized promoters, Flp or Cre dependent gene switches, and serotype selection. Promoters and serotype...such as IRES or 2A to co-express them from one promoter. Specificity The ability of AAV to drive gene...cell type of interest. Careful combination of promoters, gene switches, and/or serotype can also be used...selecting your AAV and AAV components (serotype and promoter) for use in your experiment! As a starting point...recombinant adeno-associated virus (scAAV) vectors promote efficient transduction independently of DNA synthesis... patterns of AAV8 vectors with broadly active promoters from subretinal injections of neonatal mouse eyes...
  15. Recombinase-based State Machines Enable Order-dependent Logic in vivo

    Type
    Blog Post
    Published
    July 28, 2016, 2:30 p.m.
    ...inducible promoters: the BxbI gene downstream of the anhydrotetracycline (ATc)-inducible promoter (PLtetO...and promoters with buffer sequences on their 5’ and 3’ ends (for insulation). A list of promoters and ...gene downstream of the arabinose (Ara)-inducible promoter (PBAD), and the A118 gene downstream of the diacetylphloroglucinol...diacetylphloroglucinol (DAPG)-inducible promoter (PPhlF).  Output Plasmid: The output plasmid (single...Depending on the desired application, the inducible promoters we used to drive recombinase expression may be...demonstrates that genetic parts (genes, terminators, and promoters) may be interweaved onto a GRSM register to execute...in this paper (recognition sites, terminators, promoters, and genes) were built with flanking primer binding...
  16. Plasmids 101: Restriction Cloning

    Type
    Blog Post
    Published
    Feb. 18, 2016, 3:42 p.m.
    ...start of the gene to end up just downstream of the promoter found in the backbone. Ideally, the backbone will...cut sites (restriction sites) downstream of the promoter as part of a multiple cloning site (MCS). Having...easily orient your gene insert with respect to the promoter. For example, let’s say your plasmid backbone ... on the left side of the image below. It has a promoter (blue arrow) followed by the restriction sites...gene in the proper orientation downstream of the promoter, you can add an EcoRI site just 5’ of the start...the 5’ end of your gene just downstream of the promoter and placing the gene in the proper orientation...
  17. Lambda Red: A Homologous Recombination-based Technique for Genetic Engineering

    Type
    Blog Post
    Published
    Dec. 15, 2016, 3:57 p.m.
    ...experiment.  Promoters commonly used to control expression of Red include the IPTG-inducible lac promoter, the...the arabinose-inducible pBAD promoter and the endogenous phage pL promoter.  It is a good idea to choose...Beta: Beta protects the ssDNA created by Exo and promotes its annealing to a complementary ssDNA target ...gam is tightly regulated by the endogenous phage promoter pL and repressor CI. For recombineering purposes... express the repressors associated with these promoters (lacI, araC, cI857) to limit leaky expression ...into the genome.  Mini-λ uses the endogenous red promoter pL and the cI857 repressor to regulate expression...
  18. CRISPR 101: Engineering the Plant Genome Using CRISPR/Cas9

    Type
    Blog Post
    Published
    Oct. 11, 2016, 2:30 p.m.
    ... cauliflower mosaic virus 35S promoter (CaMV 35S) or ubiquitin promoters (Belhaj et al., 2013). Addgene...consistent between plants and other organisms, but the promoter used to drive gRNA expression is dependent upon...gRNA downstream of a plant-specific RNA pol III promoter, such as AtU6, TaU6, OsU6 or OsU3, which are commonly... gRNA” backbones which contain a plant pol III promoter and gRNA scaffold sequence and allow researchers...is commonly driven by plant-derived RNA pol II promoters which regulate expression of longer RNAs (such...expression). Examples of commonly used RNA pol II promoters for Cas9 expression include the ubiquitously expressing...Summary While different in many of the specifics - promoters used, precise protein sequences or domains, and...
  19. New and Upcoming Viral Vectors - September 2019

    Type
    Blog Post
    Published
    Sept. 12, 2019, 1 p.m.
    ... to give scientists access to a wide array of promoters and fluorophores for validating and testing purposes... pAAV-hSyn-DIO-EGFP (50457-AAV5): The Synapsin promoter directs broad, neuronal expression. AAV pCAG-FLEX-EGFP-WPRE...-FLEX-EGFP-WPRE (51502-AAV5): The CAG promoter directs ubiquitous expression. pAAV-mDlx-NLS-mRuby2 (99130...-EGFP (112677-AAV5 and 112677-AAVrg): The EF1a promoter directs strong, ubiquitous expression. This is...
  20. Multicolor Animals: Using Fluorescent Proteins to Understand Single Cell Behavior

    Type
    Blog Post
    Published
    March 5, 2019, 1:08 p.m.
    ...tandem with a single promoter, but only the gene directly following the promoter is expressed. Cre-mediated... As RFP and OFP are directly downstream of the promoter in Brainbow 1.0 and 1.1, respectively, cells will...Brainbow system are that it does not use ubiquitous promoters, meaning that not all cell types can be labeled...placing Brainbow downstream of a neural-specific promoter, or the entire fish could be labeled by injecting...an RFP, CFP, and YFP downstream of a ubiquitous promoter. Zebrabow is an extremely versatile technology...
Showing: 21 - 40 of 296 results