We narrowed to 847 results for: CAL;
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TypeBlog PostPublishedAug. 22, 2019, 12:43 p.m....complements the auxotrophy (i.e., synthesizes the critical amino acid). Many common E. coli strains used ...its toxic effect. Negative selection is sometimes called counterselection. Toxin-antitoxin systems One ...
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Viral Vectors 101: Parts of the AAV Packaging Plasmid
TypeBlog PostPublishedDec. 3, 2020, 2:15 p.m....capsid other than AAV2. This production strategy is called cross-packaging. Capsid (cap) gene The cap gene... of AAV Vectors. Molecular Therapy - Methods & Clinical Development 12:248–265 . https://doi.org/10.1016... -
10 Ways to Share Your Science!
TypeBlog PostPublishedMay 13, 2014, 8:34 p.m....blogosphere is to read and comment on their blogs. 5) Local science museums are a great place to find opportunities...Science Communication Program at the University of California, Santa Cruz, has been turning scientists into... -
Plasmids 101: Antibiotic Resistance Genes
TypeBlog PostPublishedJan. 30, 2014, 3:29 p.m....How else can antibiotics be used in the lab? Historically, antibiotics have also been used to disrupt ...cloning. In these instances, the cloning vector typically has two separate resistance cassettes and your... -
Antibodies 101: Avoiding the Mouse on Mouse Mess in IHC
TypeBlog PostPublishedSept. 21, 2023, 1:15 p.m....Randolph-Habecker J (2013). A Flexible Mouse-On-Mouse Immunohistochemical Staining Technique Adaptable to Biotin-Free...Tuson JR, Pascoe EW, Jacob DA (1990) A novel immunohistochemical technique for demonstration of specific binding... -
Viral Vectors 101: Parts of the AAV Transfer Plasmid
TypeBlog PostPublishedAug. 11, 2020, 1:15 p.m.... sites in the ITRs. Regular Sanger sequencing typically fails to sequence through ITRs due to their secondary...of lox sites which are part of a dual lox system called FLEX or DIO. Lox sites are recognized by the recombinase... -
Single-cell tracking of lineage and identity with CellTag
TypeBlog PostPublishedMay 9, 2019, 1:15 p.m....(CellTagD13), which is when the iEP phenotype typically emerges. Every three days, a sample of cells was...conversion, but CellTag could be used to study other biological processes where cells are undergoing identity... -
Why Add Sucrose? Improved Yields for Adeno-associated Virus Preparation
TypeBlog PostPublishedDec. 13, 2018, 1:14 p.m....serotypes are equal; while some serotypes are typically high yielding, for others, such as AAV2, low yields... of adeno-associated virus/phage." Journal of Biological Chemistry (2012): jbc-M112. PubMed PMID: 22915587... -
5 Uncommon Ways to Gain Career Skills During an Uncommon Time
TypeBlog PostPublishedOct. 20, 2020, 1:15 p.m....However, now that we are all so good with video calls, how about trying your hand at a video presentation...the board of a professional society, solved a technical problem, had an alter ego as a mad scientist for... -
Safe Port in a Storm...How Addgene is Weathering the Pandemic
TypeBlog PostPublishedSept. 17, 2020, 1:15 p.m....distribution. I don’t have space in this blog to call out every Addgene Team because they’re all doing...requests for scientists doing almost every type of biomedical science research. Our work accelerates and enhances... -
Plasmid Cloning by PCR
TypeBlog PostPublishedMarch 29, 2016, 2:30 p.m....analyzing the gene’s function. The process is shown graphically in the following figure, in which we add EcoRI...TGGCATATCTCGAAGTACTGAGCGGCCGCTAAGCA-3’) into this calculator we get a final Reverse Primer sequence of 5’-... -
Even more elegant: Single injection CRISPR/Cas9 in C. elegans
TypeBlog PostPublishedJuly 7, 2015, 3:36 p.m....Find plasmids from this publication at Addgene. Scalable and versatile genome editing using linear DNAs...Caenorhabditis elegans. Paix A, Wang Y, Smith HE, Lee CY, Calidas D, Lu T, Smith J, Schmidt H, Krause MW, Seydoux... -
Another Pathway into Cells: iTOP
TypeBlog PostPublishedJune 23, 2015, 8:37 p.m....type; however, their usage has been limited by technical problems. For instance, it’s much more difficult...presence of the CPP may alter protein function or localization. Thus, the usefulness of CPPs must be evaluated... -
Mentoring for Scientists: I Have a Mentor, What Now?
TypeBlog PostPublishedMarch 6, 2014, 7:12 p.m.... Listen to our podcast interview with Harvard Medical School researcher Connie Cepko to learn about her...mentoring meetings a priority. Schedule meetings or calls regularly and don’t cancel, so that you drive progress... -
Extracurricular Activities for a Strong Science Career Path
TypeBlog PostPublishedJan. 21, 2014, 3:08 p.m....developed a web-based, career-planning platform called the Individual Development Plan (IDP) and uses ... Outreach activities (e.g. Volunteer at a local high school science class: Science Club for Girls... -
How Dry Ice Affects Viral Vector Sample pH & How to Avoid It
TypeBlog PostPublishedJune 20, 2017, 2:30 p.m....aqueous samples might be affected by dry ice, and specifically how dry ice can affect virus from Addgene. ...never stored on dry ice/exposed to CO2 (Fig. 5). Basically, the CO2 goes in and the CO2 goes out. Conclusions... -
Components of CRISPR/Cas9
TypeBlog PostPublishedFeb. 2, 2016, 5 p.m.... to modify the desired genomic locus. Some historical notes CRISPR arrays in bacterial genomes consist...arrays, they did not know their functions and simply called the repeated elements “direct repeats” and the ... -
Flow Cytometry Readouts: Yes, No, and Everything in Between
TypeBlog PostPublishedAug. 20, 2024, 1:15 p.m.... a downregulation of signal, though it’s hard to call from this plot. The red (bottom) peak overlaps with...Research Assistant in Arlene Sharpe’s lab at Harvard Medical School. More resources on the Addgene blog Antibodies... -
Viral Vectors 101: Gamma-Retroviral Packaging Systems
TypeBlog PostPublishedAug. 6, 2024, 1:15 p.m....transfer plasmid sequences into the host genome. Typically, it is the sequences between and including the...pseudotyping. Figure 1: Genome of a prototypical gamma-retrovirus. Frequently asked questions... -
Antibodies 101: Flow Cytometry Controls
TypeBlog PostPublishedJune 6, 2024, 1:50 p.m....sample. The isotype antibody will be virtually identical to the antibody for your marker of interest. It...research technician in Arlene Sharpe's lab at Harvard Medical School. More resources on the Addgene blog Introduction...