We narrowed to 335 results for: c rel
-
TypeCollection...80 °C. Titer All titering is performed on lentiviral preparations that have been stored at -80 °C and ...of AAV preparations is assayed by comparing the relative stoichiometric ratios of the viral capsid proteins...SYPRO Ruby staining and the molecular weight and relative intensity of the viral capsid proteins are analyzed...Viral capsid proteins VP1, VP2, and VP3 are shown relative to the total protein present in the sample. Sterility...vectors consist of full particles (white arrowhead) relative to empty particles (black arrowhead). Scale bar...Preparations are then aliquoted and stored at -80 °C. Titer Titering is either performed by Addgene or ...
-
Tetracycline Inducible Expression
TypeCollection...opens in a new window) Krueger, C., Pfleiderer, K., Hillen, W., & Berens, C. (2004). Tetracycline derivatives...transduced cells express both components in the same relative ratio. Different generations of transactivators...of background expression. For example, only a relatively low level of doxycycline can access the brain...toxicity, a known half-life (24 hours), and is relatively inexpensive. The induction profiles for dox and...vector to express Tet-On 3G transactivator under the c-Fos promoter Tet-On 3G rtTA Bong-Kiun Kaang 20342 ... N., Schambach, A., Galla, M., Maetzig, T., Baum, C., Loew, R., & Schiedlmeier, B. (2011). Retroviral ...dox) is present, TetR binds to tetracycline and releases tet O, enabling transcription (Figure 1). While... -
Fluorescent Proteins 101: GFP Fusion Proteins - Making the Right Connection
TypeBlog Post...well since the N- and C-terminal residues of the fluorescent protein are relatively close together (figure...fluorescent protein is at the C-terminus of the POI or that the POI is at the C-terminus of the fluorescent... design and engineering of fusion proteins is relatively straightforward. However, generating a fusion...fluorescent protein. Thus, scientist began using relatively long linkers between the protein of interest ...dimerization (Shaner et al., 2008 - supplementary figure C). However, these assays are qualitative. The Organized...structural information available, it’s clear that the C-terminus of fluorescent proteins derived from Aequorea...biosensors (yellow cameleon 3.60, EPAC, and Galphai), the C-terminus and N-terminus of the donor fluorescent protein... -
TALEN Guide
TypeCollection...Intuitively, one would expect that assembling relatively small, repeat-laden DNA regions into a single...Center (www.taleffectors.com) . Whether you work in a C. elegans lab and have been struggling to mutate a ..., Doyle EL, Christian M, Wang L, Zhang Y, Schmidt C, Baller JA, Somia NV, Bogdanove AJ, Voytas DF. Nucleic...using engineered TALENs. Sander JD, Cade L, Khayter C, Reyon D, Peterson RT, Joung JK, Yeh JR. Nat Biotechnol...at Massachusetts General Hospital also recently released a TALEN kit through Addgene. This kit, first described... -
Antibody Guide
TypeCollection...stored at 4 °C for short-term storage. For long-term storage they should be stored at -20 °C in aliquots...colored product that accumulates over time which is relative to the amount of enzyme present in each well. ... categories: Quantification - used to quantify relative amounts of protein. Includes: Western blot ELISA... western blots or ELISAs, are used to quantify relative amounts of protein. Western blot Western blots...proteins separated by size on an SDS-PAGE gel. Though relative quantification can be done, western blots primarily...referred to as housekeeping genes). This allows for relative comparison of expression between different samples...conjugated to fluorophores should never be stored below 4 °C. Certain isotype subclasses, such as IgG3, aggregate... -
CRISPR-mediated Plant Base Editors
TypeBlog Post...machinery making an original C-G pair converted to T-A or reverted to the original C-G by base excision repair.... Figure 1: Transition mutation (C>T, G>A, A>G, and T>C) installation by base editors. Pathways...suitable distance from the base (C/A) to be edited. But does this mean a target C or A much further from the...editing efficiency based on the location of the ‘A’ relative to the protospacer adjacent motif (PAM). ABE7.10...edit in a stretched window ranging from 1-17 bp relative to the PAM sequence (Zong et al., 2018) (see CBE...binding with DNA, the CBE deaminates a target cytosine (C) into a uracil (U) base. Later the resultant U-G pair...original genomic A-T base pair is converted to a G-C pair (Figure 1). As the cellular inosine excision ... -
Don’t FRET: Bimolecular Fluorescence Complementation Makes Visualizing Protein-Protein Interactions Easy
TypeBlog Post....38853 Hu C-D, Chinenov Y, Kerppola TK (2002) Visualization of Interactions among bZIP and Rel Family Proteins...of interactions between basic leucine zipper and Rel transcription factors (Hu et al., 2002). This would...necessary because split FPs can associate, albeit at relatively low frequencies, without being brought into close...visualized makes it amenable to studying PPIs under relatively physiological conditions when compared to FRET...information, you can fuse each FP fragment to the N- and C-terminal end of each PIP and empirically test which...R, Björklund M, Ahr D, Ahmed AW, Spinelli L, Brun C, Basler K, Merabet S (2018) Generation of a versatile...doi.org/10.1101/pdb.prot076497 Kim Y, Jung JP, Pack C-G, Huh W-K (2018) Global analysis of protein homomerization... -
CRISPR 101: Any Base Transversion Editors
TypeBlog Post...Y (T or C), X (any base), or C, respectively. gGBE, gTBE, gCBE Glycosylase-based G, T, or C base editors...transversion editors: CGBEs, or C → G Base Editors. CGBEs first convert a cytosine (C) to uracil (U), just like... a more specific A → C base editor (ACBE), they inserted the deaminase into the C-terminal domain of Cas9...pyrimidines (C ↔ T). Base transversion Base change from purine (A or G) to pyrimidine (C or T) or vice-versa...type of base editor invented. CGBE C → G Base Editor Converts C → G by fusing a uracil DNA glycosylase..., or C, respectively, to be replaced with another base. References Chen, L., Hong, M., Luan, C., Gao... Zhang, D., Zhang, S., Li, C., Wu, J., Randolph, P. B., Sousa, A. A., Qu, C., Zhu, Y., Guan, Y., Wang,... -
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... -
Viral Vectors 101: Systemic Capsids
TypeBlog Post...Tobey, I. G., Moncada-Reid, C., Eid, F.-E., Walkey, C. J., Ljungberg, M. C., Lagor, W. R., Heaney, J. ...Ravindra Kumar, S., Adams, C. D., Yang, D., Wang, T., Wolfe, D. A., Arokiaraj, C. M., Ngo, V., Campos, L....Gong, Y., Ng, C., Nammour, J., Maiz, D., Dujardin, S., Ramirez, S. H., Hudry, E., & Maguire, C. A. (2019)... Poterba, T., Boutros, C. L., Balazs, A. B., Daneman, R., Bloom, J. M., Seed, C., & Deverman, B. E. (2019...AAV-PHP-B, it can be produced with high viral yields relative to AAV9. At lower viral titers than AAV-PHP.B ...when paired with the ubiquitous CAG promoter, is relatively biased toward L5 and inhibitory neurons and astrocytes...C57BL/6J and BALB/cJ mice through LY6C1, with relatively even distribution of target gene expression (... -
Fluorescent Proteins 101: When GFP lets you down
TypeBlog Post... works well is that the N- and C-terminus of GFP itself are relatively close, thereby minimizing the disruption...Also, in cases where the protein of interest is relatively small, adding GFP may alter diffusion rates. ...Although bioluminescent probes are usually dim relative to fluorescent probes, recent engineering efforts...Only about 10 amino acids can be deleted from the C-terminus and about 5 from the N-terminus, but this... standard practice to attach the GFP to the N- or C-terminus of another protein. This may, however, interfere...consensus sequence (MG-) and prenylation requires a C-terminal consensus sequence (-CaaX). Both modifications...when GFP is fused to these sequences. When N- and C-terminal fusions are not tolerated the alternative... -
Five Popular Model Organisms
TypeBlog Post...an ortholog in C. elegans making it ideal to study basic molecular biology processes. C. elegans are also...PMCID: PMC5525645. Mello, Craig C., et al. "Efficient gene transfer in C. elegans: extrachromosomal maintenance... model organism for scientists as they have a relatively short generation time for mammals - the time ...that are laid externally. Fruit flies are also relatively straightforward to manipulate genetically. Scientists...lab to study neuronal development (Brenner, 1973). C. elegans are small, transparent worms that have a ...life cycle and large brood sizes. The majority of C. elegans are also self-fertile hermaphrodites making... Nobel Prize in 2006. One of major advantages of C. elegans is that they are transparent throughout their... -
Viral Production at Addgene
TypeBlog Post...80 °C. Titer All titering is performed on lentiviral preparations that have been stored at -80 °C and ...of AAV preparations is assayed by comparing the relative stoichiometric ratios of the viral capsid proteins...SYPRO Ruby staining and the molecular weight and relative intensity of the viral capsid proteins are analyzed...Viral capsid proteins VP1, VP2, and VP3 are shown relative to the total protein present in the sample. ...vectors consist of full particles (white arrowhead) relative to empty particles (black arrowhead). Scale bar...Preparations are then aliquoted and stored at -80 °C. Titer Titering is either performed by Addgene or ...preparations are then aliquoted, frozen, and stored at -80 °C. Concentrated lentiviral preparations (“-LVC” catalog... -
Plasmids 101: How to Name Your Plasmid in 3 Easy Steps
TypeBlog Post...the order they appear in the plasmid and their relative position to the insert. Example, if you have a... immediately followed by its position (number) relative to the start Methionine (Met) followed by the ...resistance, b) the promoter that drives the insert, and c) any other selection markers (for use in other cell...pBACKBONE-Flag-hGene If there was also an EGFP fused to the C-terminal of your insert you would list it after the... -
Prime Editing: Adding Precision and Flexibility to CRISPR Editing
TypeBlog Post...j.cell.2021.09.018 Choi, J., Chen, W., Suiter, C. C., Lee, C., Chardon, F. M., Yang, W., Leith, A., Daza,...efficiency of Cas9 cleavage is relatively high while the efficiency of HDR is relatively low, meaning that most..., J., Oyler-Castrillo, P., Ravisankar, P., Ward, C. C., Levesque, S., Jing, Y., Simpson, D., Zhao, A.,...Leukemia Virus (M-MLV) reverse transcriptase to the C-terminus of Cas9 H840A nickase (PE1). But innovations...pegRNAs (Yan et al., 2024). The team fused La to the C-terminal end of PEmax to produce PE7. PE7 significantly...expression ~ ~ ~ ~ ✓ ✓ SV40 and c-Myc nuclear localization sequences Improve translocation...References Anzalone, A. V., Gao, X. D., Podracky, C. J., Nelson, A. T., Koblan, L. W., Raguram, A., Levy... -
Plasmids for Stem Cell Research
TypeCollection...to generate iPSCs. The generation of iPSCs is relatively simple in concept: ectopically express a cocktail... 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... -
Supporting Rare Disease Research with BeHeard 2017
TypeBlog Post...mesothelioma that affects the lining of the lungs is relatively well known, there are a variety of lesser known...disease are unclear. Dr. Di Schiavi plans on using C. elegans as a model to identify SMN1 interacting partners...effects of smn1 disruption. As part of his work in C. elegans, Dr. Di Schiavi will use Addgene plasmids...these genes, CRISPR to disrupt their function, and C. elegans overexpression plasmids to upregulate their...research funding opportunities. References 1. Jones, C., et al. "PP09. 1–2352: Systematic review of incidence...heart health. These are amazing advances that will surely save thousands if not millions of lives, but many...therapy for peritoneal mesothelioma and thereby relieve suffering from this little-known disease. You can... -
Getting to Know Expansion Microscopy
TypeBlog Post...-018-0219-4 Yu C-C (Jay), Barry NC, Wassie AT, et al (2020) Expansion microscopy of C. elegans. Elife...physically separates molecules while maintaining their relative positions, allowing you to resolve individual ...accessible imaging equipment, ExM protocols utilize relatively inexpensive reagents and are readily adoptable...brain slices, which are easier to expand than, say, a C. elegans (Damstra, et al. 2022; Yu, et al. 2020). .../doi.org/10.1038/nbt.3625 Truckenbrodt S, Sommer C, Rizzoli SO, Danzl JG (2019) A practical guide to ...they want to understand the ultrastructural relationships that influence everything from cell division...optimization and careful execution, but they cannot be entirely eliminated. It is recommended that you image samples... -
Rett Syndrome
TypeCollection...window) C-terminal Anti-MECP2 (M6818) mouse antibody from Sigma (Link opens in a new window) C-terminal...diagnostic criteria, defined as the presence of relatively normal early development, regression with a loss...localization signal (not essential for localization) the C - t erminal D omain (CTD) The most common missense... than mutations further downstream in the NID and C-terminus. A large number of mutations are known to...26944080 (Link opens in a new window) Alysson Muotri c.806delG 806delG G269Afs*20 M Fibroblasts & iPSC Unpublished... of treatments and cures for Rett Syndrome and related MECP2 disorders. The RSRT has a comprehensive, ...new window) PMID: 10508514 Archer et al. 2007. Correlation between clinical severity in patients with Rett... -
Plan Your Experiment
TypeCollection...Whitehead, E. H., Guimaraes, C., Panning, B., Ploegh, H. L., Bassik, M. C., Qi, L. S., Kampmann, M., &...enables researchers to manipulate the genome with relative ease. Over the past decade, researchers have expanded... edit through HDR. Base and prime editing are relatively inefficient methods and often require screening...Delivery Validate Genetic Edit References CRISPR ( C lustered R egularly I nterspaced S hort P alindromic...25408407 Dixit, A., Parnas, O., Li, B., Chen, J., Fulco, C. P., Jerby-Arnon, L., Marjanovic, N. D., Dionne, D... Cas enzyme at the right spot within the genome relies on proper gRNA design. While there are some cases...antibiotic resistance or fluorophore) are also relevant. Delivery Using Plasmids The most straightforward...