We narrowed to 395 results for: POR C
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TypeBlog Post...chain of BoNT/B into two fragments (BotNT-N and BotNT-C) and joined each fragment with one part of an established..., and showed that it can alter motor responses in C. elegans. Find the split BoTN/B plasmids at Addgene...collection of reporter plasmids is amenable to Golden Gate assembly for turning the single-input reporters into...Neuron. 2019. PubMed PMID: 30704911. Acoustic reporter genes for noninvasive imaging of microbes in mammalian...contributed by Lukas Morgan Listen to the acoustic reporter gene podcast segment In recent years, scientists...heavily on fluorescent protein genes. These optical reporters have limited deep-tissue performance, and sometimes...Mikhail Shapiro’s lab has developed four acoustic reporter gene (ARG) plasmids to better monitor gene expression...
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Genomic Deletions in Mammalian Cell Lines
TypeCollection...: 95 °C for 15 min, 35 cycles of (95 °C for 30 sec, 60 °C for 1 min, 72 °C for 1 min), and 72 °C for 10...following parameters: 37 °C for 30 min; 95 °C for 5 min and then ramp down to 25 °C at 5 °C/min. Dilute oligos...parameters: Cycles 1-20 (37 °C for 5 min, 20 °C for 5 min); Cycle 21 (80 °C for 20 min). These cycling ...Incubate at 30 - 37 °C for 24 - 72 hr. 30 °C may enhance genome editing efficiency, but 37 °C is acceptable....cells to incubate at 37 °C for 3 - 7 days and allow the clones to incubate at 37 °C for 7 - 14 days. Vary...thermocycler and run the following program: 65 °C for 6 min, 98 °C for 2 min to extract gDNA. Measure the DNA...clones. Run sample in thermocycler: 65 °C for 6 min and 98 °C for 2 min to extract gDNA. Screen each clone... -
Hassle-free 96-well Format Epitope Tagging Using Cas9 Ribonucleoprotein
TypeBlog Post...Kalantzaki M, Gangoso E, Matjusaitis M, Garcia-Diaz C, Blin C, Grant V, Bulstrode H, Gogolok S et al. 2017. ...available for human and mouse genomes only and deals with C-terminus epitope tagging. If you work with other model...your crRNAs using other web-based design tools (for C-terminus tagging, pick a crRNA that cuts 8-15 bp downstream...site (within ~8-15 bp from the stop codon for C-terminus tagging) GC content of the crRNA (aim for 40-60%... genotyping can tell if HDR completely failed. If C-terminus tagging potentially disrupts protein function... O'Duibhir E, Quinn N, Tyrer A, Leitner MC, Plumb C, Kalantzaki M et al. 2018. An efficient and scalable...Desktop Genetics .For ssODN design, remember to incorporate PAM-blocking mutations (e.g. convert the NGG ... -
CRISPR Guide
TypeCollection.... A., Amrani, N., Peng, C., Kramme, C., Savic, N., Pacesa, M., Rodríguez, T. C., Stan, T., Tysinger, E...Dalvai, M., Loehr, J., Jacquet, K., Huard, C. C., Roques, C., Herst, P., Côté, J., & Doyon, Y. (2015)....Heussler, G. E., Hearne, C. C., Qu, J., Inclan, Y. F., Hawkins, J. S., Lu, C. H. S., Silvis, M. R., Harden...this strategy yields C to A base edits, whereas in mammalian cells, it produces C to G edits. Adenine ... Cas3 must be paired with the Cascade ( C RISPR- as sociated c omplex for a ntiviral de fense) complex...and Cas12a (also known as Cpf1) Cascade C RISPR- as sociated c omplex for a ntiviral de fense; a complex..., S., Bietz, A., Waldhauer, M. C., Börner, K., Fakhiri, J., Schmelas, C., Dietz, L., Grimm, D., Correia... -
Technique: Probe Phage Genomes for Host Binding Proteins
TypeBlog Post...alternating between 5 min at -20°C (or -80°C) followed by 5 min at 37°C (each repeated 5 times) works well...with any protein purification, but overnight at 30°C is a good start. Prepare a lysis solution containing... PMCID: PMC4971087. 3. Simpson, David J., Jessica C. Sacher, and Christine M. Szymanski. "Exploring the...PubMed PMID: 27319741. 3. Simpson, David J., Jessica C. Sacher, and Christine M. Szymanski. "Development ...to probing with cells in order to optimize this portion of the assay before attempting it with a random... -
To Each HIS Own
TypeBlog Post...histidine amino acids on the N- or C- terminus of a protein. Neither the N or C terminus is preferable over ...histidine residues expressed in frame on the N- or C-terminus of a recombinant protein of interest. The...need to decide whether to add the tag to the N- or C-terminus and how many histidine residues to include...tended to be very large and often required the incorporation of a cleavage site and a post-purification cleavage...very pure sample. Because binding strength is proportional to the length of the tag, with longer tags you... -
Viral Vectors 101: Optogenetic Tools
TypeBlog Post..., Kadmon, J., Raja, C., Chibukhchyan, A., Ramakrishnan, C., Inoue, M., Shane, J. C., McKnight, D. J., ...Mattis, J., Tye, K. M., Ferenczi, E. A., Ramakrishnan, C., O’Shea, D. J., Prakash, R., Gunaydin, L. A., Hyun...A., Pieper, F., Sims, R., Tenedini, F., Bergs, A. C. F., Bendifallah, I., Zhou, F., Zeitzschel, N., Ahlbeck...individual types of GPCRs with greater spatial and temporal control than is achieved by traditional pharmacologic...photoswitchable, orthogonal, remotely-tethered ligands (PORTLs). OptoXRs are chimeras of the extracellular domain...change shape with light exposure to activate them. PORTLs use a similar concept, except the ligand is attached... -
A History of Genome Engineering in Popular Culture
TypeBlog Post...rise of literary giants such as Isaac Asimov, Arthur C. Clarke, James Blish, and John W. Campbell. This period...combination of the four bases of DNA – A, T, G, and C. In this movie Ethan Hawke’s character revolts against...editors (CBE) use a cytidine deaminase to introduce a C→T change at precise locations in the genome. This ...JR, Sousa AA, Koblan LW, Levy JM, Chen PJ, Wilson C, Newby GA, Raguram A, Liu DR (2019) Search-and-replace...Correction: Programmable base editing of A•T to G•C in genomic DNA without DNA cleavage. Nature 559:E8...420–424 . https://doi.org/10.1038/nature17946 Lenay C (2000) Hugo De Vries: from the theory of intracellular...editing technology led to the development of many important medical and agricultural products. But it also... -
Hot Plasmids - October 2020
TypeBlog Post... synaptic proteins Fluorescent protein system for C. elegans Fluorescent timers for studying cell cycle...native locus, but introducing large genetic changes in C. elegans with CRISPR can be difficult since it requires...can you use CRISPR to introduce large FP genes into C. elegans? By using a split FP approach. Split-wrmScarlet...together, they fuse and fluoresce. The team engineered C. elegans cell lines to express wrmScarlet1-10 unattached...grown in high concentrations of IL-3 show a high proportion of blue fluorescence, indicating cell proliferation...they could not proliferate. Eastman et al. Cell Reports 2020. https://doi.org/10.1016/j.celrep.2020.107804... -
Simple CRISPR-based Epigenetic Editing: dCas9-directed DNA Demethylation
TypeBlog Post...02708-5 Hrit J, Goodrich L, Li C, et al. (2018) OGT binds a conserved C-terminal domain of TET1 to regulate...89–92. https://doi.org/10.1038/301089a0. Galonska C, Charlton J, Mattei AL et al (2018). Genome-wide tracking...https://doi.org/10.7554/eLife.34870. Kaas GA, Zhong C, Eason DE, Ross DL, Vachhani RV, Ming G-L, King JR...sigh. The problem is that many of these studies report correlations without clearly testing whether a ...Sapozhnikov and Szyf 2021, Charlton et al. 2020). Most importantly, TET proteins affect transcription independent... -
Empty Backbones - Choosing Your Perfect Plasmid Backbone
TypeCollection... Backbones Flag Epitope tag c-Flag pcDNA3 or FLAG-HA-pcDNA3.1 - C-terminal Flag or N-terminal FLAG-HA...pNIC-CTHF - C-terminal TEV-His6-Flag for bacterial expression pFA6a vectors - PCR-based C-terminal...Epitope tag pcDNA3.1-HA or c-Flag pcDNA3 - Mammalian expression vector with N- or C-terminal HA tag pInducer20...trp mTagBFP2-pBAD - Protein expression vector with C-terminal mTagBFP2 tag pNIC-GST-TEV-GG - Cloning of...Gileadi lab Worm unc-54, variety of worm gene promoters C. elegans vector kit - Collection of...of plasmids from the Fire Lab L4440 - RNAi in C. elegans Also see our Worm Plasmids and...purification. Just remember to remove the stop codon for C-terminal tags and omit the start codon for N-terminal... -
Plasmids 101: Biotinylation
TypeBlog Post...PMC3223083. 6. McInnes, J. L., Forster, A. C., Skingle, D. C., & Symons, R. H. “Preparation and uses of...PMC164612. 11. Liou, Y.-R., Wang, Y.-H., Lee, C.-Y., & Li, P.-C. “Buoyancy-Activated Cell Sorting Using Targeted...fusion in which AviTag is added to either the N or C terminus of the protein. BirA has been shown to effectively...of carboxyl groups to organic acids to produce important cellular metabolites. Biotin acts as a carboxyl...primary antibody respectively. Avidin bound to a reporter is then added to the reaction for easy detection... experiments. During detection, a biotinylated reporter enzyme that is pre-incubated with free avidin ...protein of interest leading to amplification of the reporter signal and easier detection. This strategy is ... -
Genetically-encoded Sparse Cell Labeling - A SPARC of Innovation
TypeBlog Post...labeling of the cell population. Figure 2: Dense (c), intermediate (d), and sparse (e) labeling of the...References: del Valle Rodríguez A, Didiano D, Desplan C (2011) Power tools for gene expression and clonal ...Feng Q, Zhou Y, Zeng S, Ren M, Jiang S, Ni H, Zhou C, Gong H, Luo M (2018) Cell-type-specific and projection-specific...was developed by Thomas Clandinin’s lab, and incorporates several common genetic tools in Drosophila (...: a method to genetically manipulate precise proportions of cells. bioRxiv 788679; https://doi.org/10.1101... -
Fluorescent Protein Guide: Subcellular Localization
TypeCollection...pTag-RFP-C-h-Rab5a-c-Myc Early endosomes Rab5a TagRFP James Johnson 79801 pTag-BFP-C-h-Rab5a-c-Myc Early...-RFP-C-h-Rab11a-c-Myc Recycling endosomes Rab11a TagRFP James Johnson 79805 pTag-BFP-C-h-Rab11a-c-Myc ...pTag-RFP-C-h-Rab4a-c-Myc Recycling endosomes Rab4a TagRFP James Johnson 79799 pTag-BFP-C-h-Rab4a-c-Myc Recycling...pCMV-mGold-Tubulin-C-18 Microtubules alpha-tubulin mGold Francois St-Pierre 158009 pCMV-mGold-Actin-C-18 Actin ... ABCb10 GFP Orian Shirihai 158003 pCMV-mGold-CAF1-C-10 Nucleus CAF-1 mGold Francois St-Pierre 27705 CAV1...Chromatin HP1 gamma GFP Tom Misteli 55068 mCherry-LaminA-C-18 Nuclear Envelope LaminA1 mCherry* Michael Davidson...cycle) Centrin-2 EGFP Erich Nigg 41151 pEGFP Cep170 C-term Centrioles (dependent on cell cycle) Cep170 EGFP... -
Optogenetics + CRISPR, Using Light to Control Genome Editing
TypeBlog Post...fragment of CIB1 and it was fused to both the N- and C-termini of dCas9; and 2) CRY2FL-VP64, a fusion of ...fragmented Cas9 into N-terminal (residues 2-713, N713) and C-terminal (residues 714-1368, C714) halves, rendering...split-Cas9 (FAST) system constitutively expresses the C-terminal fragment of Cas9 while transcription of the...used the bacterial phytochrome BphS which produces c-di-GMP in response to far-red light (730 nm). This...VP64 which in turn transcribes N-Cas9. The N- and C-Cas9 fragments then dimerize to form a functional ... from A. sativa (Bubeck et al., 2018). LOV2 has a C-terminal helix that unfolds when stimulated by blue...Bietz A, Waldhauer MC, Börner K, Fakhiri J, Schmelas C, Dietz L, Grimm D, Correia BE, Eils R, Niopek D (2018... -
27 Hot Plasmids from 2016
TypeBlog Post... 79628 (C) Cv (capsid) N and C 79633 (N) and 79641 (C) NS1 (var: W98G) N and C 79635 NS3 C 79637...79637 NS2B C 79636 NS4A N 79640 NS4B C 79639 NS5 C 79632 (N) and 79631 (C) PrM N and C Detecting... for N-terminal fusions and Myc tagged BioID2 for C-terminal fusions. Kim, et al. Mol Biol Cell. 2016...streamline CRISPR/Cas9-based genetic tag insertion in the C. elegans genome, Erik Jorgensen’s lab from the University...paramagnetic ferritin protein were tethered to the C-terminus of TRPV4 (a pressure-sensitive channel). ...Rodríguez-Laureano L, Albanese SK, Gradia S, Jeans C, Seeliger MA, Levinson NM, Chodera JD. bioRxiv preprint...et al. Cell. 2015. PubMed PMID: 26627737 pORTMAGE: A portable method for bacterial genome engineering ... -
Plasmids for Stem Cell Research
TypeCollection... state using a cocktail of factors (Oct3/4, Sox2, c-Myc, and Klf4) that are known to maintain pluripotency...Doxycycline-inducible expression of human Oct4, Sox2, Klf4, and c-Myc from four separate lentiviral plasmids A drug-...for the expression of human Oct4, Klf4, Sox2, and c-Myc Human Induced Pluripotent Stem Cells Produced ...lentiviral vector for the expression of human Oct4, Klf4, c-Myc, and Sox2 Integrative Analyses of Human Reprogramming... Lentivirus Human Expression of human Klf4, Oct4, c-Myc, and Sox2 as VP-16 transcriptional activating ...polycistronic expression of human Oct4, Klf4, Sox2, c-Myc and hairpin RNA p53 for single plasmid reprogramming...retroviral expression of human Sox2, Oct3/4, Klf4, and c-Myc from four separate plasmids Induction of pluripotent... -
Plasmids 101: Multicistronic Vectors
TypeBlog Post... L L T C G D V E E N P G P P2A: (GSG) A T N F S L L K Q A G D V E E N P G P E2A: (GSG) Q C T N Y A...ribosome skip the synthesis of a peptide bond at the C-terminus of a 2A element, leading to separation between...between the Glycine and Proline residues found on the C-terminus meaning the upstream cistron will have a ...along with a reporter, such as a fluorescence gene or a resistance gene. These reporters allow you to ...sometimes advantageous, particularly when only a portion of the plasmid is packaged for viral delivery, ...expression levels between two or more genes is important. How do multicistronic vectors work? Scientists...single transcript. The two strategies most widely incorporated into plasmids for research purposes are described... -
Deisseroth INTRSECT Collection
TypeCollection...window) Poulin JF, Caronia G, Hofer C, Cui Q, Helm B, Ramakrishnan C, Chan CS, Dombeck DA, Deisseroth K...Navarro M, Burnham N, Cristiano C, Dorrier CE, Tipton GJ, Ramakrishnan C, Kozicz T, Deisseroth K, Thiele...Markovic M, Wolff SB, Ramakrishnan C, Fenno L, Deisseroth K, Herry C, Arber S, Lüthi A. 2016. Midbrain ...been expanded to incorporate VCre in order to enable three-feature cell targeting. C) Example of viral...processing, producing a functional molecular tool (C,F). Implementation The following resources may be ...Vcre No References Fenno LE, Mattis J, Ramakrishnan C, Hyun M, Lee SY, He M, Tucciarone J, Selimbeyoglu ...Grosenick L, Zalocusky KA, Bernstein H, Swanson H, Perry C, Diester I, Boyce FM, Bass CE, Neve R, Huang ZJ, Deisseroth... -
How to Design Your gRNA for CRISPR Genome Editing
TypeBlog Post...target sites that code for amino acids close to the C’ terminus of the protein, to maximize the chances ... absence of dsDNA breaks (Rees et al., 2018). For C>T and A>G base editors, the intended edit must be ...bystander edits are possible if there is another target C or A in the window. Another technology, prime editing...doi.org/10.1038/s41587-020-0561-9 Dempster JM, Pacini C, Pantel S, Behan FM, Green T, Krill-Burger J, Beaver...JL, De Los Angeles A, Mali P, Aach J, Kim-Kiselak C, Briggs AW, Rios X, Huang P-Y, Daley G, Church G (...sequence are important considerations for designing your gRNAs. For indels, it's not so important what location...nom. Me love gRNAs! Comic by Maya Kostman. Important considerations before you start an experiment ...