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TypeBlog PostPublishedSept. 23, 2014, 3:05 p.m....steps in a protocol as you finish them, turn on pre-set timers for incubation steps, and save the entire ...
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Plasmids 101: Multicistronic Vectors
TypeBlog PostPublishedSept. 9, 2014, 8:20 p.m....multiple genes is valuable in many experimental settings. To achieve this, scientists use a multitude of...individual expression cassettes, having the genes expressed from the same cassette is sometimes advantageous...and you can then insert the whole multicistronic cassette into a backbone as a single unit. Although it ... -
Plasmids 101: Control Plasmids
TypeBlog PostPublishedApril 9, 2015, 3:29 p.m....independent variable. Biological replicates In any given set of experiments, the biological controls are more ... -
MXS Chaining
TypeBlog PostPublishedFeb. 7, 2017, 3:30 p.m....sequences of the genetic elements may differ (e.g., a set of various mammalian promoters), the same cloning...sequences. Intermediate chaining products (called “cassettes”) can be readily reused in the assembly of any...any later construct (i.e.,functional cassettes are recyclable) Can only work if the restriction sites used... -
Avoiding the Dark Side of Fluorescent Protein Fusions with mOX FPs
TypeBlog PostPublishedOct. 27, 2015, 3 p.m....example, with standard fluorescent microscope filter sets, users can label multiple proteins of interest with... -
Tips from the Repository Trenches: Using Barcodes to Track Samples
TypeBlog PostPublishedOct. 6, 2015, 2:30 p.m....Fridays. From each overnight culture, we prepare three sets of 2D barcoded tubes. Two of the tubes are used ... -
Neuronal labeling with Spaghetti Monster
TypeBlog PostPublishedAug. 14, 2018, 12:42 p.m....difficult to use in a multicolor/multichannel imaging set-up. In contrast, smFP tags can be recognized by distinct... -
AAVs in Retinal Gene Therapy
TypeBlog PostPublishedJuly 31, 2018, 12:55 p.m.... used successfully in preclinical and clinical settings for ocular conditions. However, AdV was abandoned...responsible for an autosomal recessive, severe, childhood-onset form of blindness name Leber’s Congenital Amaurosis... of new capsid variants, designing expression cassettes to regulate and optimize transgene levels, and... -
Degrading DNA with Cascade-Cas3
TypeBlog PostPublishedFeb. 11, 2025, 2:15 p.m....nature, they are largely underutilized in research settings — mostly a consequence of Cascade's complexity... -
Production of Virus in Insect Versus Mammalian Cells
TypeBlog PostPublishedNov. 5, 2024, 8:32 p.m.... for saving time and avoiding potentially costly set-ups. However, there are many cases where the specific... -
Antibodies 101: The Four ELISAs and When to Use Them
TypeBlog PostPublishedJuly 25, 2024, 1:15 p.m....antigen or an antibody depending on how the assay is set up. Then they block the capture reagent to prevent...binding to a primary antibody. While the precise setup of the method can vary, typically users first coat... -
PRIDICT: Predicting Efficiencies of Prime Editing Guide RNAs
TypeBlog PostPublishedJune 25, 2024, 1:15 p.m....facilitates the use of prime editing in pooled settings with hundreds to thousands of pegRNAs. Chromatin-based...primer binding site, and many more. Once we had our datasets with all the different features and editing efficiencies...PRIDICT2.0 (Mathis et al., 2024). The additional datasets used in the training of PRIDICT2.0 make this model... -
New Tools Enable CRISPRa for Neuroscience Applications
TypeBlog PostPublishedJuly 2, 2019, 12:51 p.m....mice CRISPRa has largely been limited to in vitro settings due to the large size of Cas9 activators, which...packaging limits (i.e., how many sgRNA expression cassettes will fit). Cre-dependent expression of the SPH... -
Designing Your Chalk Talk for the Academic Job Interview
TypeBlog PostPublishedMarch 12, 2019, 1:37 p.m....the day of your chalk talk Bring your own fresh set of erasable markers. You’ll have the colors you want...research? Do you have innovative tools? A novel dataset? Unique expertise? A novel hypothesis? Part of ... -
Bacterial Toxin-antitoxin Systems as Molecular Biology Tools
TypeBlog PostPublishedNov. 1, 2018, 12:35 p.m....have become a powerful tool to address a diverse set of biological inquiries. References Ogura, Teru...death. The team used this cassette to knock out genes, knock in a GFP cassette, and introduced site-directed...for Zeocin resistance (Figure 2). This MazF-ZeoR cassette is flanked by two direct repeats which can be ... selects for those cells that have removed the cassette through a second recombination event between the... -
Tips for a 1st time AAV user (by a Rookie AAV user)
TypeBlog PostPublishedOct. 23, 2018, 11:49 a.m....Either SYBR green technology or a TaqMan primer/probe set can be used and samples are quantified by comparing... -
Antibodies 101: Immunoprecipitation
TypeBlog PostPublishedDec. 7, 2021, 2:15 p.m....that do not express the protein. With this control set, you should see your target protein IP’d in the positive... -
Hot Plasmids - November 2023
TypeBlog PostPublishedNov. 14, 2023, 3:35 a.m....This modular approach combines an interchangeable set of fusogenic and targeting components to reprogram...Every few months, we highlight a subset of the new plasmids, antibodies, and viral preps in the repository... -
Viral Vectors 101: The Retroviral Lifecycle
TypeBlog PostPublishedJuly 27, 2023, 1:15 p.m....it’s simple. The RT protein is made by a separate set of instructions in the same producer cells as the... -
Hot Plasmids - August 2020
TypeBlog PostPublishedAug. 18, 2020, 1:15 p.m....be useful for your studies. Find the plasmids to set up your screening systems at Addgene! Schematic...Every few months we highlight a subset of the new plasmids and viral preps in the repository through ...