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We narrowed to 405 results for: expression vector

Showing: 241 - 260 of 405 results
  1. Hot Plasmids May 2018 - Optogenetics, Decaffeination, Biosensors, and Fluorescent Protein Tools

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    ...in patched cells expressing wild type CoChR, these APs are absent in soCoChR-expressing cells. Finally,...C-terminus of the protein. Unlike the diffuse neuronal expression observed with wild type CoChR, soCoChR localizes...stimulation are largely absent in the soCoChR-expressing system. Taken together, Shemesh et. al. describe...Pseudomonas putida CBB5 and has been tailored for expression in E. coli. This operon is under the transcriptional...strong constitutive promoter (BBa_J23100) and expresses N-demethylases and other required enzymes, including...Moreover, a caffeine “addicted” E. coli strain expressing this operon can serve as a living biosensor for...FRET reference page for many other common FRET vectors. Murakoshi H, et al. Sci Rep. 2015. Pubmed PMID...
  2. Hot Plasmids: Summer 2025

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    ... mGold2. Top: TIRF-SIM imaging of COS-7 cells expressing LifeAct fused to mVenus, mGold2s, or mGold2t....but TnpB is small enough to be carried by viral vectors (~400 amino acids, less than a third of the size...thousands of eligible AAV plasmids to order viral vectors ready to use in your lab. Find Addgene’s AAV6 and... synapses. In addition, ATLAS itself could be expressed Cre-dependently to allow tracing exclusively from...
  3. Tips for a 1st time AAV user (by a Rookie AAV user)

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    ...My lab's vector of choice is AAV, with nearly every experiment requiring AAV. Before joining my lab, ...shell, or capsid; 2) the pHelper plasmid which expresses adenovirus genes which help mediate AAV viral ...Production of recombinant adeno-associated viral vectors for in vitro and in vivo use. Current protocols... out what makes AAV a versatile tool for gene expression in mammals Use the PEI calculator for planning...
  4. Plasmids 101: Protein tags

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    ...Fluorescent Protein (GFP) Fluorescent Protein Guide Expression Vectors from the Berkeley QB3 MacroLab Eric thanks...box of tags and fusion proteins to aid in the expression and purification of recombinant proteins. Tags...purification to get your protein as pure as possible? Vectors that offer different combinations of tags are readily...Biochemists and molecular biologists who need to overexpress and purify proteins can face any number of technical... some of the hurdles to overcome in order to overexpress a recombinant protein? It is not generally in...in a cell’s best interest to overexpress a protein. Energy and cellular resources are being spent to make...stabilization, as can maltose-binding protein (MBP). Overexpression can also lead to insolubility, and aggregated...
  5. PEI Calculator for Planning AAV Packaging Transfections

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    ...Production of Recombinant Adeno‐Associated Viral Vectors for In Vitro and In Vivo Use." Current Protocols...When Using AAVs AAVs Are Great Tools for Gene Expression in Mammals Resources on Addgene.org Find AAV...
  6. Neuronal labeling with Spaghetti Monster

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    ...epitope tags, low FP expression may be insufficient for monitoring a weakly expressed POI. Spaghetti Monster...cytotoxicity, low immunogenicity, and the long-term expression of AAV delivered genes. AAV serotypes have been.... Thanks to this work it is now much easier to express molecules in your favorite neuronal population ...insufficient for detection when the POI is weakly expressed. As these epitopes tags have no intrinsic visual... be fused to scaffold proteins in order to be expressed stably in neurons. As compared to epitopes tags...labeling of neurons. As discussed above, weakly expressed proteins in particular are difficult to track ...other). Combined with AAVs, FPs can be easily expressed in the brain and can be detected through their...
  7. Fluorescent Proteins 101: Visualizing Subcellular Structures & Organelles

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    ...protein of interest into a vector encoding a fluorescent tag. Once expressed as a fluorescent protein fusion...bacterial components. For example, the Rainbow Vectors from the Mariette Barbier Lab can be used to fluorescently...Barbier, Mariette, and F. Heath Damron. "Rainbow Vectors for Broad-Range Bacterial Fluorescence Labeling...subcellular structure or protein complex. By coexpressing both the marker protein and the protein of interest...
  8. Multicolor Animals: Using Fluorescent Proteins to Understand Single Cell Behavior

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    ...promoter is expressed. Cre-mediated deletion of one or several of these genes permits the expression of genes...activate the expression of a different fluorescent protein. Therefore, each cell could express a unique combination...copy of the transgene expressing either YFP or CFP, and cells that do not express Cre fluorescing with ...the low expression of XFP of Brainbow by incorporating a Tet-Off system to boost XFP expression. The increased...variety of colors when a combination of XFP are expressed. Each cell remains the same color for its entire...of the downstream OFP, GFP, or RFP. Cells that express the construct but do not undergo recombination ...truncated YFP. In Thy1-Brainbow mice, some neurons expressed as many as 16 copies of the injected transgene...
  9. Zebrafish as a Model for Behavior: Swimming into the Optogenetic Spotlight

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    ... channels, such as ChR2 and NpHR, can even be expressed simultaneously and still be individually activated... like spontaneous swimming. To do so, the lab expressed the LiGluR opsin in different subsets of spinal...optogenetics blog posts Read blog posts about viral vectors Subscribe to the Addgene blog Resources on Addgene.org...
  10. Protein Tagging with CRISPR/Cas9: A Conversation with Mendenhall and Myers

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    ...several projects and this is one related to gene expression. One goal of the ENCODE project is to look at...assays, not just transcription factors. The second vector is a homology directed repair donor plasmid with...flexible. Other investigators can easily adapt these vectors for use with their favorite selection cassette....
  11. Evolution of Brainbow: Using Cre-lox for Multicolor Labeling of Neurons

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    ...recombination, RFP is expressed. Cre can mediate one of two deletions to allow YFP or M-CFP expression; these deletions...editing may be the hot new way to manipulate gene expression, but other gene manipulation systems remain valuable...ways to spatially and temporally control gene expression, especially in in vivo models, and new Cre-lox...fluorescent protein in the construct, OFP (orange), is expressed when Cre is absent; stochastic Cre excision results... and inversion. The Brainbow-2.1 construct can express one of four colors (n-GFP, RFP, YFP or M-CFP.) ...remaining cassette can invert as long as Cre remains expressed; once Cre is removed from the system, the fluorescent...coding sequence is closest to the promoter will be expressed. This system differs from Brainbow-1.0 in that...
  12. Four Base Editing Reporters to Monitor and Enrich Editing in Real-time

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    ...determined by comparing cells expressing only eGFP expression to cells expressing eGFP and mCherry. ACE was...mCherry and a T2A site and expressed in cells. mCherry is constitutively expressed to identify successfully...that can be repaired by NHEJ restoring mCherry expression. Cells can then be sorted using Fluorescence-...BFP variant, a BE4am-Cas9 base editor, and sgRNA vectors for the BFP-to-GFP conversion and to target specific...integrated it into human and mouse cells that expressed either Cas9 or an optimized cytidine base editor... of a mutated start codon to initiate protein expression, it can be used for an array of detectable proteins...
  13. CRISPR 101: Engineering the Plant Genome Using CRISPR/Cas9

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    ...drive gRNA expression is dependent upon the cell type in question. In plant cells, gRNA expression is achieved...Cas9 expression is commonly driven by plant-derived RNA pol II promoters which regulate expression of longer...mRNAs for gene expression). Examples of commonly used RNA pol II promoters for Cas9 expression include the...system in plant cells. Like other model systems, expression of S. pyogenes Cas9 or Cas9 variants (hereafter...OsU6 or OsU3, which are commonly used to drive expression of small RNAs in their respective species. Addgene...with other model systems, multiple gRNAs can be expressed to modify several genomic loci at once (get more...the ubiquitously expressing cauliflower mosaic virus 35S promoter (CaMV 35S) or ubiquitin promoters (Belhaj...
  14. Multifunctional Neural Fibers: Modulation from Gut to Brain

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    .... They started by delivering an AAV construct expressing channelrhodopsin 2 (ChR2), a blue light sensitive...potential afterwards. This measurement trended with expression of the opsin in the target neurons, validating...studies Channel rhodopsins for optogenetics Viral Vectors 101: Chemogenetics ...
  15. How to Design Your gRNA for CRISPR Genome Editing

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    ...is_json="true" %}{% raw %}"Browse Empty gRNA Expression Vectors"{% endraw %}{% end_module_attribute %}{% ...href":"https://www.addgene.org/crispr/empty-grna-vectors/","type":"EXTERNAL"},"open_in_new_tab":true,"no_follow..., a specific base edit, or modulation of gene expression. Location and sequence are important considerations...CRISPRa and CRISPRi Finally, for modulating gene expression at the level of transcription – CRISPRa (activation...
  16. Tips for CRISPR Gene Editing in Mice

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    ...plasmid contains humanized Cas9 expression cassette and sgRNA expression cassette. The target sgRNA can...a) Scheme of validation for DSB mediated EGFP expression cassette reconstitution. When the target sequence...annealing) took place and reconstituted the EGFP expression cassette. (b) pCAG-EGxxFP target plasmid and ... PX330 plasmids (or similar plasmids for gRNA expression), one gRNA at a time. After 48 hours of incubation...homology directed repair, and resulting in the expression of EGFP. Using this technique, you can assess...clone the PCR products into a pBluescript cloning vector and sequence the resulting plasmid. It can take...mice by pronuclear injection of circular plasmid expressing Cas9 and single guided RNA." Scientific reports...
  17. New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries

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    ...This tracrRNA was combined with the sgRNA expression vector allowing the screen to be conducted with only... activation domain (CRISPRa) to regulate gene expression. Some CRISPR libraries contain many sgRNAs per... sgRNA library In addition to inhibiting gene expression, dCas9 can also be used for transcriptional activation...screens can help reveal the function of lowly expressed genes or genes that are more drastically affected...protein-tagging system for signal amplification in gene expression and fluorescence imaging." Cell 159.3 (2014):...screens performed with open reading frame (ORF) overexpression libraries for resistance to MEK inhibition....inhibition. Although both Calabrese and the ORF overexpression library identified several overlapping genes, most...
  18. Developing Lab Management Software for Biology

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    ...collisions you may encounter: vector, sequence, insert, trait, factor, expression, etc.There are also going...terms (plasmid, 5-prime, CRISPR, growth strains, vector backbone, etc.) and you simply don't have enough...
Showing: 241 - 260 of 405 results