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We narrowed to 982 results for: Ran;

Showing: 541 - 560 of 982 results
  1. Seven Tips for Using LinkedIn as a Scientist

    Type
    Blog Post
    ... Also, many people on LinkedIn don’t appreciate random requests without a personal message and they may...trolls. People don’t like to connect with complete strangers as it borders on my first rule of networking--...a useful way to build or use a network. Total strangers can’t really help or refer you. Do not ask people... lot about requesting connections to complete strangers for informational interviews. Many have had success...considered intrusive and it’s still connecting with a stranger so is highly discouraged. You should be using ...
  2. The Future of Research Symposium Boston 2015

    Type
    Blog Post
    ...Ambika, et al. "Transforming training to reflect the workforce." Science Translational Medicine (2015)...better solution would be to reduce the number of entrants into PhD programs to more closely reflect the ...symposium. Eve Marder, professor of Biology at Brandeis University, has recently published an article ...Among other involvements, he helped to establish grants through the Sloan foundation for postdoc-related...
  3. Cpf1 Update: Comparison to Cas9 and NgAgo

    Type
    Blog Post
    ...pattern opens up the possibility of directional gene transfer, analogous to traditional restriction enzyme cloning... cloning. Sticky-end mediated gene transfer would be particularly helpful for targeting non-dividing cells...gene delivery due to their low immunogenicity and range of serotypes allowing preferential infection of ... yet characterized the potential “sticky end” transgene insertion mediated by Cpf1-generated overhangs...Alkhnbashi OS, Costa F, Shah SA, Saunders SJ, Barrangou R, Brouns SJ, Charpentier E, Haft DH, Horvath ...
  4. Plasmids 101: FLEx Vectors

    Type
    Blog Post
    ...sites directs the Cre recombinase to invert, translocate, or excise a DNA fragment. The availability of...infected and would have the potential to express the transduced reporter gene. Generating a FLEx switch to control...level in the mouse. 2003 PubMed PMID: 12665802. 2. Branda, CS and Dymecki, SM. Talking about a Revolution...Channelrhodopsin-2 to multiple cell types for imaging and long-range circuit mapping. PubMed PMID: 18614669. PubMed Central...adeno-associated viruses for Cre activated and inactivated transgene expression in neurons.  PubMed PMID: 2286602. ...
  5. Hot Plasmids and Viral Preps - March 2021

    Type
    Blog Post
    ...editing assemblies are sensor-actuators, either transcriptional regulators or chromatin-modifying enzymes. ...cell surface. When the cells interact, GFP is transferred to the receiver cell, and the receiver cell turns...et al., 2021.   The AID system relies on a transport inhibitor response 1 (TIR1) expressed under a ...These libraries encode target sites flanked by randomized nucleotides in place of a protospacer adjacent.... Check out the new additions.  Image calcium transients in PV interneurons with AAV-S5E2-GCaMP6f, now...
  6. Hot Plasmids and Viral Preps - January 2021

    Type
    Blog Post
    ...including excision or insertion, inversion, translocation or cassette exchange. By utilizing recombinases...delivery constraints and scientists seeking a wider range of targetable genomic sequences could benefit from...spatially and temporally target single cells. Now, Francois St-Pierre’s lab developed a new form of FACS-based...-based Dual-fluorescent DSB Repair) is a double-strand break repair assay for mammalian cells. It's based...deposited by Leopold Parts. This library delivers 2 randomly paired guides per construct and allows a reduced...
  7. Quickest Way to Deposit Plasmids: The Deposit Spreadsheet

    Type
    Blog Post
    ...easy — our tech transfer team will communicate with your organization’s technology transfer office or other... Send plasmid information to Addgene Material Transfer Agreement (MTA) approval  Send plasmids to Addgene...require that you send your samples to Addgene pre-transformed in this strain. Hazardous If the plasmid...samples to Addgene and contact your technology transfer office about the MTA. Pro Tip! Download a new...
  8. Viral Vectors 101: Virus Safety

    Type
    Blog Post
    ...looks like the genetic cargo in one plasmid (the transfer plasmid), the envelope (Env) gene on a separate... plasmid). Viral production then proceeds by transfection of all three plasmids into a producer cell line...HEK-293T, production of viral particles, and transduction of a target cell line with those particles. ...Env, Gag, and Pol genes are not encoded in the transfer plasmid, the component that physically integrates...without endangering yourself or others. Happy transducing! Resources Resources on Addgene.org Addgene...
  9. Getting Started with Behavioral Neuroscience: Standardizing Experiments and Using Viral Vectors

    Type
    Blog Post
    ... linked to a certain behavior. It is a very old branch of science, dating back several hundred years, ...genes. A popular method uses Cre recombinase on transgenic flox animals to introduce modifications at the...Timing: High expression levels of the viral vector trangenes typically occur two weeks after injection. Therefore... after several weeks which may also depend on transgene or promoter choice. Behaviors you can study using...Stoica L, Ahmed SS, Gao G, Sena-Esteves M. Gene transfer to the CNS using recombinant adeno-associated ...
  10. 10 Basic tips for mammalian cell culture

    Type
    Blog Post
    ... are sensitive to pH. Anything between orange and light orange usually indicates that the cells have grown...culture media contain the pH indicator phenol red (pH range 6.0 (yellow) - 8.0 (red)). Blood pH normally lies...too young and should not be used for important transfection experiments right after they’ve been thawed.... spent organizing, an hour is earned (Benjamin Franklin)! It’s good practice to label your plates and/...
  11. Common Injection Routes in Mice

    Type
    Blog Post
    ... 0.07 ml Skill required: advanced Intranasal instillation Intranasal instillation is very similar to its...behind the eye. IV injections are used for a broad range of substances, as it circulate what is injected ...target the lungs. The main differences are that intranasal is easier, less invasive, and only requires a...Anesthesia Trachea 20–23 (tubing) < 0.07 mL Advanced Intranasal Anesthesia Nose n/a < 0.05 mL Beginner Oral...
  12. Twenty Years of Addgene Sharing: CRISPR

    Type
    Blog Post
    ...generate a classic double-stranded break, while modulators regulate transcription and chimeric efforts make...Countries shown are the top 10 requesting countries. FR=France; KR=South Korea; CH=Switzerland; AU=Australia.  ...Pyhtila et al., 2023). Our thanks to Rodolphe Barrangou for his authorial contributions to, and support...References Pyhtila, B., Kasowitz, S., Leeson, R., & Barrangou, R. (2023). The Expanding Dissemination and Distribution...
  13. Interview: Nicola Patron on Plant Synthetic Biology, MoClo, and More

    Type
    Blog Post
    ... work has always been focused on gene transfer, from transgenes to plants, chloroplast to the nucleus,...to expand the toolkit. We have included a wider range of terminators than are commonly used as we have...well in plants and give similar stability to transcripts as the ones that people use all the time. Now...Plant SynBio Reading: Quick, Versatile Plant Transgenesis with GreenGate Plasmids  ...
  14. Better Dyeing Through Chemistry & Small Molecule Fluorophores

    Type
    Blog Post
    ...requires more photons. For example, moving from transient overexpression of protein fusions to gene-edited... lipoic acid ligase, biotin ligase, phosphopantetheinyltransferase) – These enzymes catalyze the covalent... tag (Figure 1c). Click chemistry (e.g., transcyclooctene–tetrazine)– Nonnatural amino acids can be ...improved brightness, photostability, and spectral range. Nevertheless, these fluorophores were designed ...analogs without sacrificing their small size and membrane permeability (Figure 2c). These cell-permeable...
  15. What’s in Your Tube?: A Quick Guide to Measuring DNA by Spectrophotometry

    Type
    Blog Post
    ... that this simple procedure is often taken for granted. In this post, we take a moment to review what ...a characteristic absorption spectra across this range of wavelengths with maximal absorption at 260 nm...present in the sample also absorb light in this range of wavelengths (Figure 1B-D). These other molecules....  In common practice, a pure sample of double-stranded DNA should give an A260/280 ratio of ~1.8 and ...Proteins absorb light to varying degrees across the UV range used in NanoDrop systems. Peak absorption occurs...
  16. Antibiotic Resistance: An Old Solution but a New Problem

    Type
    Blog Post
    ...methods of ‘horizontal gene transfer’. Resistance can also arise from random mutations in the genetic sequence...didn’t develop, either through random mutation or horizontal gene transfer, means to defend themselves from...bacterium sharing genes with another, an accidental transmission of genes from one bacterium to another through...
  17. Tips for CRISPR Gene Editing in Mice

    Type
    Blog Post
    ...best gRNA Figure 1: Validation of double strand break (DSB) mediated homology dependent repair ...repair (HR, homologous recombination; SSA, single strand annealing) took place and reconstituted the EGFP...site. (c) The pCAG-EGxxFP target plasmid was co-transfected with pX330 plasmids containing sgRNA sequences...efficacy of your gRNAs is then a simple matter of transfecting HEK293T cells with your modified pCAG-EGXXFP...fluorescence, the better that gRNA is at causing a double stranded break at the target site, allowing the two halves...
  18. New CRISPR Tools: Cas7-11 and PASTE

    Type
    Blog Post
    ...PRIME, PASTE relies on single-stranded nicks instead of the double-stranded breaks used in other insertion...target. In addition, when they looked at the transformed E. coli expressing Cas7-11, they found no evidence...broadly similar to shRNA and Cas13 systems in a range of mammalian cell lines. However, in those same ... of landing sites via Cas9-directed reverse transcriptases, followed bylanding site recognition and integration...
  19. An Inside Look into Addgene's Dev Team

    Type
    Blog Post
    ...to be translated into Modern Greek to be easily accessible today. Roughly speaking, we translated our software...see these improvements, you are benefited with reassurance your plasmids will not get lost in a freezer ...Another advantage of Scrum is that it provides transparency to everyone involved about the status of each...accelerating research and discovery. We work with transparency, gladly share our knowledge, and love to collaborate...
  20. Career Insights: Technical Support Specialist

    Type
    Blog Post
    ...high-impact journals, and the requirement for a high grant success rate. At this point, candidates are highly...requirements (and maybe also the proposed salary range) should help. In smaller companies, technical support... The benefit is that these skills are highly transferable and will help you enter other roles in project...departments such as research and manufacturing, quality assurance, product management, marketing, and sales (to ...drive to help others. These roles offer an easy transition from an academic lab to industry without being...
Showing: 541 - 560 of 982 results