We narrowed to 44 results for: PSI-P
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TypeBlog PostPublishedOct. 12, 2023, 1:15 p.m....s41565-023-01419-x Deverman, B. E., Pravdo, P. L., Simpson, B. P., Kumar, S. R., Chan, K. Y., Banerjee, A...Hordeaux, J., Yuan, Y., Clark, P. M., Wang, Q., Martino, R. A., Sims, J. J., Bell, P., Raymond, A., Stanford,..., M., & Sabeti, P. C. (2023). Systemic administration of novel engineered AAV capsids facilitates enhanced...Wagers, A. J., & Sabeti, P. C. (2021). Directed evolution of a family of AAV capsid variants enabling potent... A. I., Dvoryanchikov, G., Makhoul, V., Tsoulfas, P., & Chaudhari, N. (2022). Selectively Imaging Cranial...Griffiths, J. A., Ichiki, T., Mazmanian, S. K., Osborne, P. B., Keast, J. R., Miller, C. T., Fox, A. S., Chiu... N. M., Sun, J., Chen, X., Lefevre, A., Singh, V. P., Arokiaraj, C. M., Shay, T. F., Vendemiatti, J., ...
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Tips for arabidopsis transformation
TypeBlog PostPublishedOct. 25, 2018, 1:23 p.m....transformation’, Plant Methods. BioMed Central, 2(1), p. 19. doi: 10.1186/1746-4811-2-19. PubMed PMID: 17087829...CRISPR/Cas9 Using pSiM24 for simplifying plant genetic engineering Using arabidopsis in the classroom ..., a graduate student at Stanford University. Arabidopsis is a fantastic model organism for many reasons... are many motivations to generate transgenic Arabidopsis, from studying transcriptional and translational... plants, to complementing mutant phenotypes. Arabidopsis is amenable to the floral drip or dip transformation...transformation protocol, as well as protocols for growing Arabidopsis are also available (Weigel and Glazebrook, 2002...vector is the first step in generating transgenic Arabidopsis. There are a bunch of great options, but here... -
A Primer on Optogenetics: Introduction and Opsin Delivery
TypeBlog PostPublishedSept. 10, 2015, 2:30 p.m....Many thanks to our guest blogger Derek Simon! Derek P. Simon received his PhD in Cellular and Molecular ...number of the opsin genes to alter the light spectrum for activation and the kinetics of opsin activity/inactivity...viruses (not expressing the opsin) are also available. Picking your opsin You must consider whether you... In brief, some standard opsins (see table above) include Channelrhodopsin2 (Chr2), a blue-light sensitive...silence neurons than HR. Delivering your opsin The standard opsin delivery method is local injection of ...expression of your opsin is no longer required to achieve cell-type specific opsin expression. However...stimulation. Testing opsin expression Regardless of the method of expression of your opsin gene, it is essential... -
Troubleshooting and Optimizing a Western Blot
TypeBlog PostPublishedSept. 17, 2024, 1:15 p.m....transfer with a psi membrane stacked behind the p membrane. If your protein runs through the p membrane into... try using a 0.2 µm (psi) membrane for small proteins (< 15 kDa) and a 0.45 µm (p) membrane for larger...into the psi membrane, that’s a good indication that the p membrane pores are too large. Transfer method...-transferring Transfer with two membranes* Psi membrane Semi-dry transfer Decrease voltage... -
Viral Vectors 101: Gamma-Retroviral Packaging Systems
TypeBlog PostPublishedAug. 6, 2024, 1:15 p.m....transgene expression. Psi (Ψ) RNA target site for packaging by Nucleocapsid. WPRE Woodchuck hepatitis... resources References Swift S, Lorens J, Achacoso P, Nolan GP. Rapid production of retroviruses for efficient...retroviral particle containing Matrix, Capsid, and Nucleocapsid components. Pol Precursor protein... -
Multifunctional Neural Fibers: Modulation from Gut to Brain
TypeBlog PostPublishedAug. 31, 2023, 1 p.m....Sands, J., Sahasrabudhe, A., Anikeeva, P., & Chandrakasan, A. P. (2020). Modular Optoelectronic System...EMBC44109.2020.9175600 Park, S., Loke, G., Fink, Y., & Anikeeva, P. (2019). Flexible fiber-based optoelectronics for ...Niroui, F., Fink, Y., Chandrakasan, A., … Anikeeva, P. (2023). Multifunctional microelectronic fibers enable... by delivering an AAV construct expressing channelrhodopsin 2 (ChR2), a blue light sensitive cation channel...This measurement trended with expression of the opsin in the target neurons, validating the functionality... Plasmid tools for microbiome studies Channel rhodopsins for optogenetics Viral Vectors 101: Chemogenetics... -
Viral Vectors 101: Optogenetic Tools
TypeBlog PostPublishedJune 27, 2023, 1:15 p.m....Adeishvili, N., Berthold, P., Ollig, D., Hegemann, P., & Bamberg, E. (2003). Channelrhodopsin-2, a directly light-gated...Papagiakoumou, E., Gottschalk, A., Soba, P., Emiliani, V., Engel, A. K., Hegemann, P., & Wiegert, J. S. (2021). BiPOLES...Berndt, A., Sohal, V. S., Deisseroth, K., & Hegemann, P. (2010). Ultrafast optogenetic control. Nature Neuroscience....1936192100 Tichy, A.-M., Gerrard, E. J., Sexton, P. M., & Janovjak, H. (2019). Light-activated chimeric...light-activated tool for controlling neuronal activity, channelrhodopsin-2 (ChR2), a blue light-activated cation channel...Light-gated ion channels Light activated ion channels (rhodopsins) either excite or inhibit neuronal activity upon... depolarize it (Nagel et al., 2003). Inhibitory opsins are usually light-driven pumps that pass ions (... -
The AAVantages of AAV in CRISPR Screens
TypeBlog PostPublishedFeb. 4, 2025, 2:15 p.m....y Hanlon, K. S., Kleinstiver, B. P., Garcia, S. P., Zaborowski, M. P., Volak, A., Spirig, S. E., Muller... C., Ingelsson, M., Chamberlain, J. S., Corey, D. P., Aryee, M. J., Joung, J. K., Breakefield, X. O., ...be packaged in a variety of capsids. To date, at least 12 different capsids, or serotypes, have been identified... AAV, with the genome from one serotype and the capsid of another. Researchers have used these psuedotypes... -
AAV Vector Quality Control: Going the Extra Mile with NGS
TypeBlog PostPublishedSept. 12, 2017, 1:44 p.m....Chadeuf G, Ciron C, Moullier P, Salvetti A (2005) Evidence for Encapsidation of Prokaryotic Sequences during...Lecomte E, Tournaire B, Cogné B, Dupont J-B, Lindenbaum P, Martin-Fontaine M, Broucque F, Robin C, Hebben M,...Merten O-W, Blouin V, François A, Redon R, Moullier P, Léger A (2015) Advanced Characterization of DNA Molecules...small predetermined seed sequences unique to the capsid plasmid. Our recombination software looks for and... -
An Introduction to Adenovirus
TypeBlog PostPublishedOct. 3, 2023, 1:15 p.m....10.1016/B978-0-12-801238-3.02523-X. Hofmann, C., Löser, P., Cichon, G., Arnold, W., Both, G. W., & Strauss, ...doi.org/10.1136/jcp.s3-6.1.39. PMID: 4376152. Rowe, W. P., Huebner, R. J., Gilmore, L. K., Parrott, R. H., ...R. L., Garcia, K. Y., Goodrich, J. S., Lovett, S. P., Parker, K., Radune, D., Hatada, A., Pan, C. Y., ...Rizzo, K., Bertumen, J. B., Morales, C., Oluniyi, P. E., Nguyen, J., … Chiu, C. Y. (2023). Adeno-associated... (and their structural proteins, which would encapsidate new virions) are not expressed. Note that replication-competent... -
RNA Interference in Plant Biology: New Tools for an Old Favorite
TypeBlog PostPublishedOct. 27, 2020, 1:15 p.m....scale. References Bezanilla M, Perroud P ‐F., Pan A, Klueh P, Quatrano RS (2005) An RNAi System in Physcomitrella...Clauder-Münster S, Eberhard D, Fälth Savitski M, Grandi P, Jakob P, Michon A-M, Sun H, Tessmer K, Bürckstümmer T...amiRNAs based upon miRNA precursors of rice and Arabidopsis species, respectively. Short hairpin RNA (shRNA...plants, such as in the model flowering plant Arabidopsis thaliana (Li et al., 2013; Zhang et al., 2018... -
It’s Bioelectric! An Exciting Interdisciplinary Field of Research
TypeBlog PostPublishedOct. 29, 2019, 2:52 p.m....stays open for a longer duration upon activation. p-mcherry-C1-iC++_CA - A slow cycling (open for minutes...20026026. PubMed Central PMCID: PMC2823934. Pai, Vaibhav P., et al. "Transmembrane voltage potential controls...specificity. Stable Step Function Opsin - A stabilized step function opsin (SSFO) for optogenetic activation...metagenomically discovered marine anion-conducting channelrhodopsin used as a sensitive fluorescent voltage indicator...Hyperpolarizing chloride channel SwiChr++ - A channelrhodopsin converted into a chloride-conducting anion... step-function artificial anion conducting channelrhodopsin (aACR). It is activated by cyan light and ... -
Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus
TypeBlog PostPublishedSept. 1, 2020, 1:15 p.m....References: Allocca M, Doria M, Petrillo M, Colella P, Garcia-Hoyos M, Gibbs D, Kim SR, Maguire A, Rex TS...https://doi.org/10.1038/nbt1153 Odom GL, Gregorevic P, Allen JM, Chamberlain JS (2011) Gene Therapy of mdx...://doi.org/10.1038/mt.2010.205 Trapani I, Colella P, Sommella A, Iodice C, Cesi G, Simone S, Marrocco ....201302948 Trapani I, Toriello E, de Simone S, Colella P, Iodice C, Polishchuk EV, Sommella A, Colecchi L, ...the Packaging Capacity of Adeno-Associated Virus Capsids. Human Gene Therapy Methods 27:1–12 . https://doi.org... -
Viral Vectors 101: AAV Serotypes and Tissue Tropism
TypeBlog PostPublishedJan. 16, 2025, 3:42 p.m....Wagers, A. J., & Sabeti, P. C. (2021). Directed evolution of a family of AAV capsid variants enabling potent..., Papworth, G., Watkins, S., Trucco, M., Robbins, P. D., Li, J., & Xiao, X. (2006). Widespread and Stable... Emily P. Bentley...vectors have both distinctive capsids and genomic structures. The viral capsid is the key that lets AAVs ...of promoter/enhancer. Table 1: AAV capsids and receptors. Capsid Primary receptor Coreceptor AAV1... true! In a previous post, we covered systemic capsids, which allow AAVs to broadly spread throughout ...particular cell type depends largely on the viral capsid, but specificity doesn’t end there: expression ... -
Advanced Uses of Cre-lox and Flp-FRT - A Neuroscientist’s View
TypeBlog PostPublishedOct. 19, 2017, 1:54 p.m....PubMed Central PMCID: PMC2593125. 2. Buchholz, F, P O Angrand, and A. Francis Stewart. 1998. “Improved...Central PMCID: PMC3655711. 4. Gronostajski, R M, and P D Sadowski. 1985. “The FLP Recombinase of the Saccharomyces...PMC41617. 7. Metzger, D, J Clifford, H Chiba, and P Chambon. 1995. “Conditional Site-Specific Recombination... M. Sternson. 2008. “A FLEX Switch Targets Channelrhodopsin-2 to Multiple Cell Types for Imaging and Long-Range... -
Antibody Neutralization Response Against Pseudoviruses Expressing SARS-CoV-2 Spike Protein Variants
TypeBlog PostPublishedJune 22, 2021, 1:15 p.m.....429 (Epsilon), nearly as well as they could for the wild-type. However, variants such as the P.1 (Gamma...lowest levels of cross-neutralization occurs in the P.1 and B.1.351 variants tested. Image from Garcia-Beltran... -
Hot Plasmids: Winter 2025
TypeBlog PostPublishedMarch 11, 2025, 1:15 p.m....research Optimized prime editing in dicots By Emily P. Bentley Prime editing (PE), initially developed in... H., Natale, S., Gomez, L., Taxidis, J., O'Neill, P. S., Villette, V., Bradley, J., Wang, Z., Jiang, D...PE2max-NC and ePEmax3 optimized for dicots. NC: nucleocapsid RNA chaperone, RT: reverse transcriptase. Right... to drive prime editing in both tomatoes and Arabidopsis, suggesting the improvements may be broadly applicable...enables heritable desired edits in tomato and Arabidopsis. Nature Plants, 10(10), 1502–1513. doi: https... -
Five Popular Model Organisms, Part 2
TypeBlog PostPublishedSept. 29, 2020, 1:15 p.m..... https://doi.org/10.1038/nature02426 Iannaccone, P. M., & Jacob, H. J. (2009). Rats! Disease Models &...Liu, L. S., Zhao, L. Y., Wang, S. H., & Jiang, J. P. (2016). Research proceedings on amphibian model organisms...is as a biomedical model organism. Arabidopsis thaliana Arabidopsis thaliana is one of, if not the most...community. The Arabidopsis genome project marked the beginning of widespread Arabidopsis genetics research...characterized genome, and widespread utilization, Arabidopsis has made significant contributions to understanding...understanding plant and crop science alike. Arabidopsis has many of the traits that make an ideal model organism...maintained in a laboratory environment. What sets Arabidopsis apart from other plant model organisms is its... -
Common Injection Routes in Mice
TypeBlog PostPublishedJan. 22, 2025, 9:42 p.m.... plasmids Cre-Lox plasmids References Prathipati, P., Rodriguez-Aguayo, C., Walton, B. L., Sood, A. K.....), The Laboratory Mouse. Academic Press. Turner, P. V., Brabb, T., Pekow, C., & Vasbinder, M. A. (2011... place the needle in the correct vein without collapsing it. Retro-orbital injections are also thought... -
10 Basic tips for mammalian cell culture
TypeBlog PostPublishedJuly 12, 2018, 1:09 p.m.... ER-negative HEK293 cells." PLoS One, 2014. 9(6): p. e98635. PubMed PMID: 24901218. PubMed Central PMCID...2015): 2321-2332. 3. Contamination, Ileana S., John P. S., Basic Methods, Human Stem Cell Manual (Second...PMCID: PMC4047077. 2. Pagliara, Patrizia, et al. "Ostreopsis cf. ovata induces cytoskeletal disorganization...