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Showing: 341 - 360 of 998 results
  1. CRISPR Plasmids - Purify Genomic Loci

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    ...or search the tables below for CRISPR plasmids designed for the purification of genomic loci. To learn... CRISPR Guide Viral Preps CRISPR Protocols gRNA Design Tools CRISPR Blogs CasPEDIA Content last reviewed...
  2. Addgene’s Expanding Collection of Research Tools for Industry Scientists

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    Blog Post
    ...FreeGenes Project Open Enzyme Collection, which includes DNA ligases, DNA and RNA polymerases, restriction... fluorophores.  The Promega Plasmid Collection includes over 600 plasmids such as luciferase reporters...HA or His. The Neuroscience Antibody Collection includes over 150 antibodies for neuroscience applications...researchers to visualize single molecules and nascent peptides in live cells. These scFv hybrids have specificity...different fluorescent proteins. The collection includes plasmids for use in mammalian cells as well as...
  3. 6 Steps to Submitting a Resume That Gets Seen

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    Blog Post
    ...experience. Most Addgene PhD level job descriptions clearly describe that the roles do not involve bench ...submission of a job application. 3) Read job descriptions carefully Be open minded and be bold. You don...qualifications to apply for a position.  A job description is usually a wish list and the hiring manager... way to a hiring manager. Learn to confidently describe your strengths in your resume and don't be shy...
  4. Antibodies 101: Antibody Engineering and Directed Evolution

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    Blog Post
    ... antibody sequences, degenerate primers can be designed to selectively mutate specific regions of your...sections. Structure-guided directed evolution If you desire a bit more control, structure guided directed evolution...complex as a template. This structural framework then guides the specific mutations you choose, whether it's...allows you to combine the strengths of rational design with the power of directed evolution, all while...technologies, the Institute of Protein Innovation (IPI) provides information on their large-scale recombinant antibody...synthetic antibody products and development methods. Despite recent advances, there is still always room to ...
  5. Plasmids 101: Using Transposons in the Lab

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    Blog Post
    ... sequence that moves around. This DNA sequence encodes the proteins the transposon needs for transposition...contain two genes: gag and pol. The pol polyprotein encodes the reverse transcriptase and integrase enzymes...ORFs) which often terminate with a poly(A). ORF2 encodes endonuclease and reverse transcriptase activities...preferred target site for integration is TA dinucleotides and it leaves behind the CAG DNA footprint from...encode reporter genes, mutagenic cassettes, or barcodes. When transposons are delivered to cells or a ...occurring Tn7 transposon found in Vibrio cholerae that encodes a Type I-F CRISPR-Cas system. This system has four...
  6. RNA Interference in Plant Biology: New Tools for an Old Favorite

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    ...eukaryotic process where approximately 20-30 nucleotides of double-stranded RNA (dsRNA) results in downregulation... of an RNAi-inducing transgene. Typically, the desired target of RNAi is expressed as inverted repeats... and quantify actively silencing plants. Non-destructive methods, most popularly with a fluorescent reporter...Fluorescent reporter-based RNAi constructs have been designed and widely implemented in plants, such as in the...approach, myself and others in the Luis Vidali lab designed a new RNAi method. Instead of using a fluorescent...functional APT will convert 2-FA to cytotoxic nucleotides, resulting in death. In the presence of 2-FA,...
  7. Antibodies 101: Affinity Tags

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    Blog Post
    ...You’ve designed the perfect experiment – controls, conditions, and everything in between – now all you...This is where affinity tags come in – they are peptides which do not naturally exist in most expression...protein for downstream applications Below, we describe a few of the most common tags available. Maltose...antibody is an alternative to amylose resin and also provides a visual detection mechanism via applications ...especially if downstream antibody detection is desired… and yes, we have an antibody for that!   ...
  8. Oh, The Places You Can Go: Careers in Science Communication - Product Development

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    Blog Post
    ...teaches you how to design a course, how to design good lesson plans, how to design test questions, and...and how to design lectures. I really built a course from the ground up.”  Science writing and editing These... was for Cactus Communications, a company that provides scientific editing services. “I was working during...
  9. Viral Vectors 101: Parts of the AAV Packaging Plasmid

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    ...plasmid The packaging plasmid aka the RepCap plasmid encodes two genes: the replication (rep) gene and the capsid....com   Replication (rep) gene The rep gene encodes four proteins that are required for viral genome...cross-packaging.  Capsid (cap) gene The cap gene encodes three AAV viral capsid proteins VP1, VP2, and VP3...type tropism. Introducing changes and/or short peptides sequences into these variable loops is one method...method for changing a capsid’s tropism.  cap also encodes the Assembly-Activating Protein (AAP) and the recently...
  10. New CRISPR Web Resources and #12DaysofCRISPR Recap

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    ...problem - see our recap below! Day 1: gRNA design tools: How to Design your gRNA for CRISPR Genome Editing and...given our CRISPR Plasmids and Resources a fresh new design, sorting the plasmids we have available by category...capabilities. Epigenetics: CRISPR has made it possible to design programmable epigenome editing tools, and the field...cleavage in bacteria. In mammalian systems, Cas13a degrades only the specified RNA target. Bonus: It displays...
  11. Addgene @ Keystone: Thoughts on Precision Genome Engineering and Synbio

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    ...fly fishing, and local grizzly bear attacks. He described one such recent attack as "hilarious". Welcome... Mehmet Fatih Bolukbasi from Scot Wolfe's lab described a chimeric Cas9 that is improving the nuclease... and foremost, from the custom software used to design complex genetic circuitry to the downstream output...each, and Tim Lu even compared his "memory" gene codes to a Turing machine (also discussed in the book)...also got to show off our new CRISPR page (which describes how to plan your CRISPR experiment for our new...
  12. The Stingy Scientist: How the Baby Gel Box Was Born

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    Blog Post
    ...smaller gel apparatus until I settled on using glass slides. With just the right amount of agarose, I could...right amount so the agarose doesn’t pour over the sides.  These tiny gels and tiny lanes required less agar...satisfying?  With practice, I got good at this despite the fact that my lab mates thought this was hilarious...minimize the required area and buffer volume.  So, I designed my own gel box (see illustration above) and bribed...plastic and solder this thing together.  One of the downsides—there was no cover so you had to be careful not...
  13. CRISPR Plasmids - Double-Strand Break (Cut)

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    ...or search the tables below for CRISPR plasmids designed to introduce a DSB. To learn more about NHEJ, ... CRISPR Guide Viral Preps CRISPR Protocols gRNA Design Tools CRISPR Blogs CasPEDIA Content last reviewed...
  14. DNA Service - Cloning Grade DNA

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    ...Plasmids Available as Cloning Grade DNA ID Plasmid Description Industry PI FAQ What Quality Control analyses...cloning grade DNA into cells? Cloning grade DNA is designed for use in cloning applications. Direct transfection...
  15. All Antibodies

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    ...larger Antibody Plasmid Collection , which also includes other types of affinity reagents such as scFvs...Browse All Antibodies ID Recombinant Antibody Description Source Species Isotype Reactivity Recommended...
  16. RUBY-Red Siliques

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    Blog Post
    ... Antibiotic selection would only then kill the desired plants! PCR or fluorescent markers are currently... have similar drawbacks, often requiring the destruction of plants or tissue for GUS staining or are not...from heterozygous individuals. Only 1/4 of the descendants of the heterozygous plants, therefore, are useful...from these plants will be green, containing the desired mutation but lacking both RUBY and the construct...compared to other markers lends itself well to nondestructive selection. If RUBY was integrated into a CRISPR...
  17. Viral Genome Sequencing - A One Stop Shop for AAV Identity and Serotype Confirmation

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    ...our AAV preparations. We recently published a description of the VGS process and use cases in Human Gene...ligation and tagmentation preparation approaches described previously require a preliminary double stranding... the expression cassette that we want, it also includes a small amount of spurious DNA from the packaging...plasmids. We decided to use this to our advantage by designing a Python script that looks for pre-defined serotype...signature sequences in the data. Unlike previously described thermodynamics-based methods of serotype confirmation...
  18. Celebrate Open Data Day with Addgene’s AAV Data Hub!

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    ...technical data. These data focus on experimental design and usage of these tools, which aren’t always easy...experiment, use these questions as a guide for designing your future injection experiments. Have your data... exactly where to get that strain. Experimental design & methods: These questions are focused on injection...activate receptors? If you’re in the process of designing your experiment, read our blog post on important...to give proper attribution.  We hope that this provides a clear overview of what you need to submit data...
  19. Typing CRISPR Systems

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    ..., J. C., Kyrpides, N. C., Banfield, J. F., & Doudna, J. A. (2018). Programmed DNA destruction by miniature...hierarchy: class to type to subtype to variant. Despite the seemingly complicated steps to arrive at this...largely underutilized compared to Class 2. Class 1 Despite their incredible abundance, Class 1 CRISPR systems...accessory Cas proteins in the Cascade complex. Despite a tenuous grasp on how type III systems function... III-E effector was developed, called Cas7-11. Despite being in Class 1, Cas7-11 is a single protein effector...
  20. Special Delivery: Fluorophore Targeting for FRET Studies

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    ...package. One important concept in FRET experimental design is that the targeting specificity requirements ...codon (often amber i.e. UAG) engineered into a desired site. During translation, the novel tRNA/unnatural...so small, one can insert them in virtually any desired location in a target protein, though predicted ...it all together The FRET donors and acceptors described above can be paired together to measure a wide...combinations of labeling strategies. FRET experimental design lends itself to creativity and innovation, valuable...PMCID: PMC2802762. 2. Dumas, Anaëlle, et al. "Designing logical codon reassignment–Expanding the chemistry...
Showing: 341 - 360 of 998 results