We narrowed to 598 results for: abo.1

...transmissibility, and laboratory studies of COVID-19: an observational study. The Lancet Microbe 1:e14–e23 . https...available from their original sources. Figure 1: Biological repositories that distribute mouse strains... from Reproducibility for Everyone. Case study 1: Cell lines Many of the reagents used to investigate...the Addgene blog Read more about COVID-19 databases and resources Learn about Addgene's work to share plasmids... availability of this strain from The Jackson Laboratory. Originally developed and characterized by Stanley...mouse strain is regaining popularity. The Jackson Laboratory, a nonprofit research institution, has been able...

...unleashes its cargo – its own genome.   Fig. 1: Viral particle infection into a host cell. Image ...Vector Resources at Addgene! References and Resources 1. Roe T, et al. “Integration of murine leukemia virus...nuclear import of human immunodeficiency virus type 1 preintegration complexes.” Proc. Natl. Acad. Sci. ...applications to help you start (safely!) thinking about the possibilities. Ready to plan your next (or maybe...S, Varmus H. Retroviruses. Cold Spring Harbor Laboratory Press; Cold Spring Harbor, NY, USA: 1997. PubMed...Additional Resources on the Addgene Blog Learn More about Lentivirus Listen to Connie Cepko Discuss Gene Therapy...Addgene.org Browse Our Viral Vector Pages Learn About Viral Vector Biosafety Deposit Your Viral Vectors...

...indicates the presence of a multimer.   Fig. 1: The monomer of Plasmid 12259: pMD2.G (depicted on...plasmid sequencing services using long-read sequencing (1-25 kb), such as Oxford Nanopore sequencing or PacBio...10017-26. doi: 10.1074/jbc.M110.176636. Epub 2011 Feb 1. PMID: 21285356; PMCID: PMC3060453. Bazaral M, Helinski...multiple circular DNA forms of colicinogenic factor E-1 from Proteus mirabilis. Biochemistry. 1968 Oct;7(10...Methods Mol Biol. 2009;582:11-25. doi: 10.1007/978-1-60761-340-4_2. PMID: 19763938. Maucksch C, Bohla A...colonies using one of the detection methods described above can help ensure the isolation of the monomeric version...plasmid DNA production platform incorporating low metabolic burden seed-stock and fed-batch fermentation processes...

...between 2 loxp sites and is excised by Cre (Figure 1). This results in one loxp site and one lox2272 site...cause of this spurious expression?   Figure 1.  Cre-recombinase binds to either pair of lox sites...recombination and can exhibit recombination levels as high as 1-3%. In light of this finding, we now include guidance...Efficiency, Tropism and Axonal Transport of AAV Serotypes 1, 2, 5, 6, 8 and 9 in the Mouse Brain. PLoS ONE 8:e76310...Vectors Pseudotyped with Viral Capsids from Serotypes 1, 2, and 5 Display Differential Efficiency and Cell...the most common concerns we get here at Addgene about this system is off-target or spurious expression...cells that don’t express Cre or Flp, what can we do about it?  Test the serotype and promoter The first step...

...Figure 1: The Addgene Requests Dashboard   The dashboard will display the following items (Fig. 1): ...analyzing and sharing your own depositor metrics!  About the Author Joachim Goedhart is an assistant professor...

...for the wild-type. However, variants such as the P.1 (Gamma variant) and the B.1.351 (Beta variant) were... tested at the time of this study. Figure 1: Neutralization levels against spike pseudovirus decreases...lowest levels of cross-neutralization occurs in the P.1 and B.1.351 variants tested. Image from Garcia-Beltran...Browse all COVID-19 related blog posts Learn more about pseudotyping Resources on Addgene.org Find plasmids...

... you’d like to use to generate your new fly line: 1. Where would you like the gene to be incorporated ...control exactly in which locus your transgene ends up (1): Random insertion has the advantage that you can...he still reads “#” as a “pound symbol”. References 1. J. R. Bateman, et al. Site-Specific Transformation...immunofluorescent images like in this paper (2). Metabolic assays such as Seahorse can be employed to look...Additional Resources on the Addgene Blog Learn about Using Cre in Drosophila Read Other Genome Engineering...

...digital) signal at the end of the reaction (Figure 1). Partitions that did not contain any target DNA at...integrated through homology-directed repair (HDR) (1), or indel mutations resulting from non-homologous...Follow him on Twitter @AnotherLabRat.     References 1. Miyaoka, Y. et al. Isolation of single-base genome-edited...advantages over mismatch nuclease assays that will be elaborated below. Digital PCR Digital PCR (dPCR) involves...type targets. Comparatively, detection limits of about 5% mutant targets have been reported for mismatch...

...visualizing hM4D(Gi)-mCherry in fixed tissue. References 1. Aschauer DF, Kreuz S, Rumpel S. Analysis of transduction...efficiency, tropism and axonal transport of AAV serotypes 1, 2, 5, 6, 8 and 9 in the mouse brain. PLoS One. 2013...PMC3069789. 3. Kügler S, Kilic E, Bähr M. Human synapsin 1 gene promoter confers highly neuron-specific long-...Resources on the Addgene Blog Learn More About Lentivirus Learn more About AAV Get the Scoop on Our Viral Service...

...Collection Fluorescent tagging strategy Figure 1: Gene editing is the addition of a useful coding sequence...plasmid design strategy. A donor plasmid contains 1 kb homology arms matching the gene of interest, a ...Institute website at alleninstitute.org. References 1. Roberts, Brock, et al. "Systematic gene tagging using...the Addgene Blog Learn More about Homology Directed Repair Learn More about Non-Homologous End Joining .... For a C-terminal tag, as shown in the example above, we inserted a linker and GFP tag at the end of ... and 1kb of homologous DNA flanking both sides (about 2.7kb total)—is inserted into a plasmid backbone... Plasmids, plasmids everywhere To find out more about gene edited hiPS cell lines generated using the ...

...standard for genetically-encoded FRET donors (Fig. 1). Scores of FP variants have been created, thereby...with finesse using tRNA suppression technology (Fig. 1) (Dumas, Lercher, Spicer, & Davis, 2015). By using...orthogonal labeling strategies are presented (Fig. 1) which can be carried out using Addgene plasmids. ...involved in skeletal muscle contraction.   References 1. Degorce, François, et al. "HTRF: a technology tailored... transfer measurements of ryanodine receptor type 1 structure using a novel site-specific labeling method...environment? If these are pressing issues in your laboratory, then FRET experiments are a viable biophysical...to consider these cases separately when talking about the tools that are available. Let’s consider the...

...Ben describe their projects 0:28 - 1:12 : Introduction from Tyler 1:13 - 2:02 : Niroshi and Ben introduce...graduate school community to help keep you excited about coming into lab even when things get tough in the...

...applications. Read on to learn more about each reporter or check out table 1 for a summary. HRP HRP tagged ...with a standard primary/secondary antibody. Table 1: Summary of the Key Features of HRP, Spaghetti Monster...NIH’s Developmental Studies Hybridoma Bank (DSHB). 1 ml of antibody-containing hybridoma supernatant is...source of monoclonal antibodies, but they are laborious to generate and costly to share. What is a RANbody...Additional Resources on the Addgene Blog Learn more about using the secondary nanobody toolbox for immunodetection...can be found here Watch this video to learn more about nanobodies Additional Resources Looking for primary...

... employing HDR. Ma et al. moved forward with gRNA 1 to conduct microinjection experiments in S phase zygotes...instead from the mother’s wild type allele (Figure 1). 72.4% of embryos carried two wild-type copies of...proceeded through NHEJ rather than HDR. Figure 1: Homology-directed repair in targeted zygotes proceeds...August 2nd in Nature gives us even more to talk about, as it represents another step towards CRISPR germline...impossible with current tools, thus quieting some fears about the creation of “designer babies.” The differences...of individuals with varied backgrounds. Talking about this study with non-biologist friends Like me, you... Blog Check out Our New CRISPR Topic Page Read about High Fidelity CRISPR Variants Target Multiple Genes...

...neuron which generates an action potential (Figure 1). This light-induced excitation can take place in ...channelrhodopsin activation to a small volume of brain tissue (~1 mm3). Current channelrhodopsins also need high-intensity...fiber-optic cables into the brain. Figure 1: With no blue light, the channelrhodopsin remains ... blog Read more about the PHP.eB AAV capsid Read more about optogenetics Learn about the differences ...library were designed using structural information about parental channelrhodopsins to create recombinant...

...effective recovery of knock-ins, but did result in 1-2 kilobases of additional sequence being introduced...facilitating recovery of edited animals. Figure 1: In the background are 504 restriction digests of ...selection for repair of a temperature-sensitive pha-1 mutation significantly enriches for knock-in of 2x... 3xFLAG epitopes into other, non-linked loci; pha-1(e2123) mutant worms are perfectly viable at 15 ºC,... repair pathway. Reagents required to perform pha-1 co-conversion are available through Addgene. In 2019...learn more about genome editing with CRISPRs? Check-out Addgene's CRISPR Resources Learn about gRNA design...interest, I encountered low efficiency (0.13%) and laborious handling (screening 768 F1 animals). Recovering...

...dual-color control of neurons. Nature Communications, 12(1), 1–20. https://doi.org/10.1038/s41467-021-24759-5 Zhang...to consider when choosing one.     Figure 1: Example of an experimental optogenetic setup. A light... 21–51). Springer US. https://doi.org/10.1007/978-1-0716-0755-8_2 Lehtinen, K., Nokia, M. S., & Takala... 21–51). Springer US. https://doi.org/10.1007/978-1-0716-0755-8_2 Boyden, E. S., Zhang, F., Bamberg, E...which tools to use, and what do you need to know about them to be successful in your experiments? In this...

...the other (Sandomenico et al., 2020). Figure 1: Comparison between the IgG antibody and scFv. ...intensity of a tagged protein. SunTag has two components: 1) a protein of interest that’s tagged with 10-24 copies...Application. Clinical and Developmental Immunology 2012:1–15 . https://doi.org/10.1155/2012/980250  Bates A,...without disulfide bonds, made by molecular evolution 1 1Edited by I. A. Wilson. Journal of Molecular Biology... Read about frankenbodies, an anti-HA scFv-based probe for fluorescent imaging. Learn more about antibodies...Köhler who developed hybridoma technology. But what about single chain fragment variables (scFvs)? scFvs weren...from inclusion bodies, it’s time-consuming and laborious.  To avoid this, one or more of these approaches...

...Listen to the interview with Darrell Kotton Chapter 1: Introduction to Darrell Kotton and the Boston University...Unit, the Pulmonary Consultation Service, the Alpha-1 Center, and the Pulmonary outpatient clinic, all at...promote scientific sharing. Listen to learn more about Darrell, his research, and his focus on open science...Medicine and in the Department of Pathology and Laboratory Medicine. He attends in the Medical Intensive...NIH-funded Principle Investigator in the Kotton Laboratory and is the founding Director of the Center for...Podcast.     Additional Resources from Addgene Learn about Retinal Gene Therapy from Connie Cepko Find Plasmids...Plasmids from the Kotton Lab Learn more about Stem Cells ...

...glassware should be treated with a DEPC solution for 1 hour, and autoclaved to remove residual DEPC. Alternatively...more large, expensive ultracentrifuge.  Figure 1: An outline of the different steps in RNA extraction...extraction: twenty-something years on. Nature Protocols 1:581–585. https://doi.org/10.1038/nprot.2006.83 Additional...more foolproof (still without a kit!) As mentioned above, working with RNA requires keeping your samples ...lysis. This can be challenging depending on your laboratory situation or tissue collection method, so biotechnology...supernatant is extracted with chloroform as in the above no-kit method.  Researchers have also developed ...