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Showing: 481 - 500 of 901 results
  1. Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering

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    Blog Post
    ...Konermann et al. Plasmids here How do Cas13d enzymes compare to other Cas13s? Like other Cas13 enzymes, the ...cleavage pattern is necessary. Konermann et al. compared CasRx to multiple RNA regulating methods: small... the clear winner with median knockdown of 96% compared to 65% for shRNA, 53% for CRISPRi, and 66-80% ...Addgene. Yan, Winston X., et al. “Cas13d Is a Compact RNA-Targeting Type VI CRISPR Effector Positively...
  2. Hot Plasmids December 2018 - C. elegans RNAi, TurboID, Detecting Viral Outbreaks, and Protein Binding Specificity Tools

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    Blog Post
    ...to physically set up in the lab, RNAi is often completely ineffective or results in low penetrant phenotypes...membranes, organelles, and other subcellular compartments is via proteomics--the study of the distribution...low-cost, cell-free detection assay that can be completed without special equipment. What’s more, detection...encodes the LacZ𝛼 protein. Once expressed, LacZ𝛼 complexes with LacZ𝜔 and forms an active LacZ tetramer....
  3. Quick Guide to Working with Drosophila Part 3: Genome Engineering in Flies

    Type
    Blog Post
    ...chromosome. Targeted Insertion allows for direct comparisons between lines expressing different variants of...chromosome your transgene has integrated. This can be accomplished with a few matings to balancer chromosome lines...into a plasmid, you can send your plasmid to a company. For a few hundred dollars, they will inject the... your strategy and the services offered by the company, you might have to map into which chromosome the...
  4. Antibodies 101: Polyclonal Antibodies

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    Blog Post
    ... the bulk purification steps keep the cost low compared to other antibody formats. This low barrier to...is no more of that exact polyclonal antibody composition available. If you’re going to need a large quantity...antibodies produce a higher level of background noise compared to monoclonal or recombinant antibodies. This ...polyclonal antibodies for your experiment and how they compare to other antibody options out there, you’re set...
  5. Antibodies 101: Conjugation

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    Blog Post
    ... are considering to make sure that they’ll be compatible with your instruments, each other, and your target...target. I love FPbase’s Spectra Viewer tool for comparing different fluorophores. We also touched on fluorophores... sure to check that your antibody’s buffer is compatible with your conjugation kit, since many common ...reactions. If needed, you can often remove the incompatible agents by dialysis or gel filtration.    There...
  6. RANbodies: Reporter Nanobody Fusions

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    Blog Post
    ...process that’s difficult for individual labs to complete. The nanobody based RANbody platform from the ...the sample due to the smaller size of RANbodies compared to antibodies. Staining with multiple HRP-RANbodies...sample is stripped. HRP-RANbodies are, however, compatible with most multi-labeling immunohistochemical ...antigen with a primary/ labeled secondary antibody. Compatible with multi-labeling protocols when other antigens...
  7. Oh, The Places You Can Go: Careers in Science Communication - Writing for a Research Institute

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    Blog Post
    ...show. After graduating with a master’s, Susan completed a science writing internship with the National...planning.” To beef up her resume, she decided to complete a certificate in Strategic Communications and ...the most satisfying parts of the job is having completed one of these difficult pieces: “It’s probably ...science communication] needs. I worked for one company, but there were a ton of others that also did work...
  8. dTAG - You're it!

    Type
    Blog Post
    ...degradation In the Bradner and Gray labs, we synthesize compounds that enable selective removal of proteins-of-interest...FKBP12F36V-tagged proteins. The dTAG molecule induces ternary complex formation between the FKBP12F36V-fusion and the... for degrading targets in different cellular compartments, and in vivo utility. dTAG molecules will be...lentiviral plasmids can serve as a rapid means of comparing functionality of N- and C-terminal fusions and...
  9. Hot Plasmids April 2018 - Protein Degradation, Nanoscopy, FIRE-Cas9, and Yeast Expression Tools

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    Blog Post
    ...is dependent on proteasome function. TRIM-away compared favorably to drug inhibition, with TRIM-away targeting...larger cell populations, you can deliver these components together using electroporation. In these bulk...250 nm), and studying endocytosis is further complicated by the reliance on pH-based biosensors used to...rapid and reversible recruitment of chromatin complexes to any genomic locus in any cell type. By varying...
  10. Antibodies 101: Affinity Reagents

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    Blog Post
    ...camelid antibodies to antibody fragments to tools completely unrelated to antibodies.  Why use an alternative...entirely new affinity reagent.    Fig. 1: A comparison of an antibody (left) to several alternative ...through engineering instead of cleavage. They are comprised of the variable heavy and light chain regions,...immunogenic, but they have lower affinity and longevity compared to antibodies, along with a higher likelihood ...
  11. Plasmids 101: Cre-lox

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    Blog Post
    ...recombination events. The system consists of two components derived from the P1 bacteriophage: the Cre recombinase...recognition site. The P1 bacteriophage uses these components as part of its natural viral life-cycle, and ...and researchers have adapted the components for use in genome manipulation. Cre recombinase, originally...other sites of the same type, but are not cross-compatible. Using different lox site variants allows Cre...
  12. All in a Twist: dsRNA

    Type
    Blog Post
    ...silencing complexes (RISCs), which detect dsRNA in the cytoplasm and use it as a guide to complementary RNA ...RNA sequence. Once a compatible sequence is found (typically RNA that the RNAi is designed against), RISC...and will dissociate when gene transcription is complete. However, transcription of thousands of genes ...
  13. Antibodies 101: Stripping and Reprobing Western Blots

    Type
    Blog Post
    ...’ll share the basic composition of these solutions below. Alternatively, companies including ThermoFisher... tool to identify a protein of interest in a complicated solution like cell lysate. But they can be a ...lost each time you strip a blot, you should not compare the strength of bands from different rounds of ...
  14. Synthetic promoter AAVs for cell-type specific expression in retinal cells

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    Blog Post
    ...cones) or cell classes (ex: photoreceptors which encompassed both rods and cones).  Targeted expression was...retina.  Find the AAV synthetic promoter plasmids! Comparing synthetic promoters performance in mouse, monkey...targeted cells in monkey and human retinas. By comparing the performance of promoters across these three..., Szabó, A., Gross-Scherf, B., Morikawa, R.K., Rompani, S.B., Hantz, P., Szikra, T., Esposti, F., Cowan...
  15. Viral Vectors 101: Chemogenetics

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    Blog Post
    ... is important to fully characterize the compound, or compounds, you choose to ensure reliable results ...In order to understand the complex wiring of the brain and the underpinnings of neurological disease,...pharmacodynamic actions of clozapine-N-oxide, clozapine, and compound 21 in DREADD-based chemogenetics in mice. Scientific...
  16. Overcoming the Challenges of Lentiviral Production

    Type
    Blog Post
    ... formation of replication competent lentivirus (RCL). Replication competence can arise from recombination...drive high levels of expression of certain viral components; according the manufacturer these changes result...downstream. When assessing lentiviral titer, don't compare apples to oranges After choosing a packaging system...
  17. Rabies and Neuronal Tracing

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    Blog Post
    ...optogenetic or chemogenetic receptors) enables complex control of specifically defined neuronal populations...how newly generated neurons integrate into the complex pre-existing circuit of the brain. Another study...anatomical regions of the brain receive inputs and compute outputs. In general, RABV monosynaptic tracing ...circuitry, and continue to contribute answers to the complex questions of how the brain operates. References...
  18. Adapting Toehold Switches to Detect Zika Virus

    Type
    Blog Post
    ...up clear tasks for each member of the team to accomplish so that many elements of the project were able...involved definitely contributed to our ability to complete the project on such a short timescale. Our article...extensive infrastructure of molecular and electronic companion technologies that has transformed the assay’s ...of Zika Virus Using Programmable Biomolecular Components." Cell (2016). PubMed PMID: 27160350. Find Plasmids...
  19. Adenoviral Delivery of CRISPR/Cas9 Aims to Expand Genome Editing to Primary Cells

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    Blog Post
    ...protein capsid encapsulating the genome is majorly composed of three proteins that can be easily modified ...Delivering gRNA and Cas9 using adenoviral vectors As compared to other viral vectors, AdVs can provide a large...AdV-mediated transduction of gRNA:Cas9 ribonucleoprotein complexes into transformed and non-transformed cells yielded...vector delivery of RNA-guided CRISPR/Cas9 nuclease complexes induces targeted mutagenesis in a diverse array...
  20. Light Sheet Fluorescence Microscopy

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    Blog Post
    ... capture large field-of-views (6). For more comprehensive reviews on several other LSFM configurations...multiplying couple-charged device (EMCCD) or complementary metal-oxide semiconductor (CMOS) sensors, it...labeling in whole tissue (15).  CLARITY is also compatible with LSFM, a method termed COLM (clarity-optimized...spatiotemporal control over labeling methods as compared to transgenic animals (17).  These viral plasmids...
Showing: 481 - 500 of 901 results