We narrowed to 81 results for: eukaryotic cell

...within an E. coli cell, but vectors can be widely utilized across many different cell types and each one... yeast vectors? Yeast are eukaryotes and thus contain complex internal cell structures similar to those... the yeast cell. These elements control not only the number of plasmids found in each cell, but also whether...components to allow shuttling between E. coli and yeast cells. To be useful in the lab, the vectors must contain...replication (ORI) and a means of selection in yeast cells, in addition to the bacterial ORI and antibiotic...determines plasmid copy number within the bacterial cell. Similarly, the specific ORI elements included within...plasmid) allows for 50+ copies to stably propagate per cell. The copy number of these vectors can also be controlled...

...mammalian cells within the dish. This is caused by the stochastic nature of plasmid uptake by cells. To correct...variation observed in mammalian cells is to tag an endogenous gene. By imaging cells (or tissues) that produce...intended application. The three key properties for live cell imaging that will be treated in this series of posts...biological system (temperature, prokaryote versus eukaryote, background fluorescence). Determining practical...practical brightness When a dish of mammalian cells is transiently transfected with a plasmid containing a ...allows for a precise determination of brightness in cells, under realistic experimental conditions. By determining...al (2017) and Heppert et al (2016). In mammalian cells this would be possible with CRISPR/Cas-based genome...

... GFP, enabling you to select cells with high GFP expression. These cells have the highest levels of Cas9... on the same plasmid, you’ll make sure that each cell that gets the plasmid contains all of the desired...polycistronic glycine tRNA-gRNA (PTG) constructs. Eukaryotic RNases P and Z recognize the tRNA sequences, ...gRNA, which causes hypopigmentation, thus marking cells that have undergone genomic modification. In this..., et al. “Multiplex genome engineering in human cells using all-in-one CRISPR/Cas9 vector system.” Scientific...

...analyzing autophagy of cytosol and organelles in yeast cells. Autophagy (Greek for “self-eating”) is induced ...radio-labeled long-lived proteins as a proxy for autophagy. Cells are cultured with isotope-labeled amino acids for...fluorescence regardless of its localization in the cell. SEP’s pH sensitivity means Rosella will fluoresce...measurements of macroautophagy and mitophagy in mammalian cells using a single fluorescent biosensor. Scientific...(2010). Methods in Mammalian Autophagy Research. Cell,140(3), 313-326. doi:10.1016/j.cell.2010.01.028....Autophagy. Methods in Enzymology Autophagy: Lower Eukaryotes and Non-Mammalian Systems, Part A, 33-42. doi...

..., peptides, amino acids, drugs, metal ions, and cells (even pathogenic bacteria). That range is possible... combination of SELEX and fluorescence-activated cell sorting (FACS) of E. coli transformed with aptamer...and FACS, Broccoli is inherently more stable in cells. The new aptamer also has a higher melting temperature...dependence. Though initially still unstable in eukaryotes, the Jaffrey lab has since developed new RNA-...cassettes, thereby extending their use into mammalian cells. They’ve also dimerized Broccoli to further enhance...Multicolor CRISPR labeling of chromosomal loci in human cells.” Proc. Natl. Acad. Sci. USA 112(10) (2015): 3002...Aptamers as a Tool to Study RNA-Modifying Enzymes.” Cell Chem Biol. 2016 Mar 17;23(3):415-25. PubMed PMID...

...enters the host cell, and encode proteins necessary for viral DNA replication and host cell manipulation....expressed by the packaging cell line, normally the human embryonic kidney 293 (HEK293) cell line. There is a rare...transformed into AdEasier-1 cells (Addgene #16399) , which are BJ5183 E. coli cells containing pAdEasy. pAdEasy... construct flanked by ITRs. Cells from the packaging HEK293 or HER911 cell lines expressing E1 are transfected...HER911 cells throughout viral vector production. During experiments, GFP can be used to sort cells infected...transfected into HER911 E4+ cells for rAdV vector production, as HEK293 cells do not contain E4. Download...immune cells and antibody production that develops after exposure to an antigen. AdEasier-1 cells BJ5183...

...Xenopus frog cell lines to develop robust methods for frog gene editing. They edit in a cell line, then ...is the smallest photosynthetic cell in existence, but most abundant cell on earth (twice the human biomass...for the study of basic evolution of fungi and eukaryotes and includes the fungus that is killing frogs...Hawaiian bobtail squid has an extreme number of nerve cells and an unusually high level of RNA recoding in the...using novel vesicles to efficiently transform these cells which don’t like foreign DNA at all (maybe because...total). Hydra (Celina Juliano) This is a known stem cell and regeneration model. Little bits of hydra can...

...based on other human cell lines, such as HeLa and A549 cells, and even insect Sf9 cells , have also been ...able to infect cells and replicate autonomously. Human embryonic kidney 293T (HEK293T) cells are the most...HEK293T cells are then extracted and purified for their use as viral vectors to deliver genes to cells in ...persist in non-dividing cells for a period of years without damaging the host cell. Episomal stability allows...broad range of cell types in vivo. AAV-DJ has been optimized further for specific cell and tissue types...co-delivered to the host cells. The full-length transgene is later reconstructed within the cell via different mechanisms...main cell body, or soma, towards the synapse at the axons. Blood-brain barrier (BBB) Layer of cells that...

...fluorescence images of C2C12 cells stably expressing pTRE-Tight-MitoTimer and rtTA. The cells were pulsed with 2µg... Robinson et al., Dev Cell 2010 Feb 16;18(2):324-31. Cheeseman et al., J Cell Sci 2013 May 1;126(Pt ...neighboring cells in imaging applications and the mapping of neuronal projections to their associated cell bodies...been used by several groups to monitor protein and cell ageing, as the spectrum shift occurs during Timer...(pTRE-Tight-MitoTimer) to show its usefulness in cell culture to report changes in mitochondrial turnover...rapamycin-binding domains, such as FKBP and FRB. The cell does not appear to mind extraneous proteins bound...antibodies against common tumor markers to enhance cancer cell capture. Fierer et al., PNAS 2014 Apr 1;111(13...

... into a mouse embryonic stem cell (ESC) line, enrich and select for cells that had successfully incorporated...develop into chimeric mice (with a fraction of the cells in the adult mice derived from the engineered ESCs... it has been repurposed for genome editing in eukaryotes, with the most widely used CRISPR genome editing...target site. This is when it gets exciting – the cell sends out an “SOS” signal and cellular repair mechanisms...Humanization (25-kbp) Created Using Embryonic Stem Cell/Blastocyst and CRISPR/Zygote Injection Approaches...Alleles by CRISPR/Cas-Mediated Genome Engineering. Cell 154:1370–1379 . https://doi.org/10.1016/j.cell.2013.08.022...Genes by CRISPR/Cas-Mediated Genome Engineering. Cell 153:910–918 . https://doi.org/10.1016/j.cell.2013.04.025...

... specific cell-type promoter. Once injected into the brain, the viruses infect all the cells with an inactive...proteins control the flow of electric charges across cell membranes and maintain membrane potential in response...once a certain number of positive ions crosses the cell membrane, a threshold is reached and the neuron ...selective expression of opsin genes in targeted cells makes it possible to control neuronal activity with... This could be overcome by fusing opsin genes to cell-type specific promoters; however, those usually ...drive weak expression of downstream genes. Strong cell-specific promoters, on the other side, are too long...achieve strong opsin expression in specific neuronal cell types then? This is where FLEx enters the scene....

... and reversible control of gene expression in eukaryotes. To avoid secondary effects from repurposing ...expression of the transactivator proteins in mammalian cells or other species by codon optimization of their ...gene of interest from two separate vectors. Stable cell lines or transgenic animals can be made to achieve... and ensures that all transfected or transduced cells express both components in the same relative ratio...derivatives can be found in Krueger et al., 2004. Some cell culture sera may contain tetracycline or its derivatives...expression of mouse Oct4, Sox2, Klf4, and Myc for iPS cell generation Rudolf Jaenisch 51543 FUW-tetO-hOKMS ...expression of human Oct4, Sox2, Klf4, and Myc for iPS cell generation Tarjei Mikkelsen 172115 PB-TO-hNGN2 Piggybac...

...can be used in bacterial and cell-free expression systems, mammalian cells, yeast, flies, and even plants... coli and/or cell-free systems. Protein expression in yeast MoClo is also for eukaryotes! The technology...transport studies in HEK cells, recombinant protein purification in bacterial cells, and a two-hybrid protein...for synthetic biology applications in bacteria or cell-free systems. The approach is particularly useful...of expression and integration needed in mammalian cell types, and comes with a large library of common ...protein interaction study in yeast cells. Need more MoClo? Check out Addgene's MoClo Guide! Customizing...Construction of Biological Circuits in Mammalian Cells.” ACS Synthetic Biology, vol. 8, no. 11, American...

...-activated cell sorting (FACS) is used to sort cells expressing GFP and later, sorted cells are expanded...actively dividing cell types, whereas gamma-retroviruses can only infect mitotically active cell types. This...Using Packaging Cell Lines Gamma-retroviral vectors can be packaged using helper-free cell lines (Figure...-retroviral packaging cell line developed by Garry Nolan at Stanford. These cell lines contain gag-pol...and rat cells), or an amphotropic envelope, Phoenix-AMPHO (for the infection of mammalian cells). Using...make stable cell lines, VSV-G is often put under an inducible promoter. Depending on the cell type, there... — T and B cell transduction Murine Leukemia Virus (MuLV) and HIV glycoprotein — CD4+ cell transduction...

...correct only a minority of those variants in most cell types. But prime editing, a CRISPR technique developed...unedited DNA. The heteroduplex is resolved by the cell’s mismatch repair system, and more recent prime editing...editing demonstrated ~20-50% efficiency in HEK293T cells with 1-10% indels. Since then, further innovations...type of edit, genomic context, delivery strategy, cell type, and goal of the experiment can all impose ...nicking the non-edited strand, they can cause the cell to remake that strand using the edited strand as...protein that enhances prime editing in mammalian cells: the small RNA-binding exonuclease protection factor...found that La, which is ubiquitously expressed in eukaryotes, binds and stabilizes the 3′ tail of pegRNAs ...

...with Haploid Embryonic Stem Cells Carrying a Guide RNA Library. Cell Stem Cell . 17 (2), 221–232. https:...in the same cell. This is called multiplexing , and increases the likelihood that any cell containing ...can increase efficiency. Synchronizing cells or modulating the cell cycle can help as HDR takes place during...expressing stable cell line. After applying your screening conditions to your transduced cell population, you...tracking of RNA in live cells, including orthogonal RNA/DNA labeling in the same cell. Figure 11: Overview...promiscuity is unique to bacterial cells and does not occur in mammalian cells. SHERLOCK , developed by the ...genomic loci in living human cells by an optimized CRISPR/CAS system. Cell . 155 (7), 1479–1491. https:...

...production cell line, typically human embryonic kidney 293T (HEK293T) cells. Standard HEK293T cells are sufficient...fluorescence-activated cell sorting (FACS) is used to sort cells expressing GFP and later expanded into a cell line. More...in a variety of cell types and models. Lentiviral vectors can target non-dividing cells, enable stable ...actively dividing cell types, whereas gamma-retroviruses can only infect mitotically active cell types. This...transfected into HEK293T cells using your preferred transfection method. The HEK293T cells will produce the viral...make stable cell lines, VSV-G is often put under an inducible promoter. Depending on the cell type, there...clinical tools. Stable Cell Lines Lentiviral vectors can be used to make stable cell lines due to their integration...

...imaging-guided cell selection for evolving genetically encoded fluorescent indicators. Cell Rep Methods....biosensor for visualization of acetyl-CoA in live cells. Cell Chem Biol. 2025 Jan 21: S2451-9456(25)00002-9... Tantama ATP QUEEN ATP sensors for live-cell imaging Live cell imaging of metabolic heterogeneity by quantitative...Genetic Tool for Subcellular and Cell-Specific cGMP Manipulation. Cell Rep. 2019 Jun 25;27(13):4003-4012...for Imaging Insulin Secretion in Single beta Cells. Cell Chem Biol. 2017 Apr 20;24(4):525-531.e4. Dmytro...accessibility. Cell. 2022 Sep 1;185(18):3390-3407.e18. David Clapham Return to top Cell Physiology Target...intracellular pH in live cells (pHRed) Imaging Intracellular pH in Live Cells with a Genetically Encoded...

...the other hand, the process in eukaryotes is much more complex. Eukaryotes require a minimum of seven transcription... Can be induced by IPTG or lactose Eukaryotic Promoters Eukaryotic promoters are much more complex and...Learn about bacterial and eukaryotic promoters, including transcription and the transcription complex...Reference Promoters Promoters Prokaryotic Promoters Eukaryotic Promoters Resources A promoter is a region of...binding is very different in bacteria compared to eukaryotes. In bacteria, the core RNA polymerase requires...transcription factors in order for RNA polymerase II (a eukaryote-specific RNA polymerase) to bind to a promoter...Transcription is tightly controlled in both bacteria and eukaryotes by various DNA regulatory sequences, including...

...to mark individual cells. These barcodes will then be inherited by any daughter cells, making barcode libraries...experiment, target cells are treated with the pooled library to create a population of mutant cells that are then...200x more cells than plasmids in the TKO library for their screen. Using large numbers of cells minimizes...selection, most cells die or do not pass selection (in the case of a reporter) Sort selected cells Sequence ...) Apply selection; most cells will survive Perform NGS on the surviving cells Compare NGS results between...identify those cells that do not survive the selection mechanism. You’ll transduce two sets of cells and subject...sequences, screening certain types of proteins (such as cell surface receptors or transcription factors), or ...