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We narrowed to 928 results for: Mpl;

Showing: 421 - 440 of 928 results
  1. Choosing the B(right)est Fluorescent Protein: Aggregation Tendency

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    Blog Post
    ...based on size. Whether higher molecular weight complexes are detected will depend on the homodimer affinity...During the experiment, the solution is diluted, complicating the interpretation. Because of this, these methods...detecting homodimerization tendency. This assay employs a peptide derived from cytochrome p450, CytERM,...will be problem-free. In figure 1 we provide an example of the OSER assay with a number of fluorescent ...organisms that are engineered can be shared to simplify the comparison by others. Together, we can build...
  2. Plasmids 101: CcdB - The Toxic Key to Efficient Cloning

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    Blog Post
    ... that actually contain your insert of interest. Simply stated, ccdB makes cloning easier by selecting ...take up your insert. But exactly how does ccdB accomplish this? Let’s start with a brief history of the...system contains ccdB. A successful insertion will completely replace ccdB with the investigator’s insert of...interest.   CcdB resistant E. coli strains complete the system But ccdB alone isn’t the only key to...protein involves poisoning of DNA-topoisomerase II complexes.” J Mol Biol. 1992 Aug 5;226(3):735-45. PubMed...
  3. It’s Bioelectric! An Exciting Interdisciplinary Field of Research

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    Blog Post
    ... channels and pumps in developmental biology.  Examples of some ion-channel and ion-pump encoding genes...genes HCN1 KCNJ2 KCNJ13 GABRG1 KCNIP2 KCNQ1 Examples of some genes encoding gap junction proteins cx43...also modulating bioelectric states in vivo. For example, the Levin lab from Tufts University has used Arch...sensitive fluorescent voltage indicator with near-complete desensitization in continuous light. ArcLight ...extremely exciting emerging field, with many implications for regenerative medicine, evolution of body...
  4. The Future of Research Symposium Boston 2015

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    Blog Post
    ... about how the system operates and functions” “Complete lack of information on number of postdocs” “Postdocs...comments are well correlated with published data. For example, in 2010, less than 15% of postdocs had achieved...beginning to address these issues independently; for example, Harvard’s Therapeutics Graduate Program has a ...postdocs in academia, industry and other areas of employment? How many graduates and postdocs – and from what...organisations that represent postdocs and institutes that employ them, the diversity of trainee backgrounds, publishing...
  5. How to Prepare for an Industry Interview

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    Blog Post
    ...task, action, and results. While this method seems simple, I found it hard to remember to describe all four.... This is a chance to highlight your prior accomplishments and demonstrate your science communication ...interview. Expect to be tired once the interview is complete Industry interviews are long! Mine lasted 4.5 ...interviewer and then thank them once the interview is complete. Remember, your interviewers took time out of ...a question. Maybe you ask for questions after completing each section of your talk. Some video conferencing...
  6. CRISPR 101: Targeting Non-Coding RNAs with CRISPR/Cas9

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    Blog Post
    ...sequence can completely disrupt expression of the transcribed ncRNA (Jiang et al. 2014).  Simple knock-out...transcription of the ncRNA (Hazan and Bester 2021). For example, inserting a polyadenylation signal downstream ...interactions between ncRNAs and adjacent genes are complex and not yet fully understood, so it is important...variants may also be useful for targeting ncRNAs. For example, the Cas12a variant can cleave single-stranded ...
  7. Viral Vectors 101: Calcium Sensors

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    Blog Post
    ...process you would like to monitor? Neurons, for example, have unusually fast calcium dynamics, whereas ... is most sensitive to your expected range. For example, calcium in the ER lumen reaches the sub-millimolar...single fluorescent protein (FP), requiring only a simple measurement. However, single wavelength measurements...crucial advantage: tissue-specific targeting. By employing various AAV serotypes, researchers can precisely...Genetically encoded calcium indicators to probe complex brain circuit dynamics in vivo. Neuroscience Research...
  8. Getting Started with Behavioral Neuroscience: Standardizing Experiments and Using Viral Vectors

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    Blog Post
    ...coordination to more complex situations such as learning and memory or emotional states, for example anxiety or ...and cause variability in the testing group. For example, if an experimenter picks up a mouse from the home...kHz, produced from fluorescent light bulbs, for example) that are outside the humans’ audible spectrum.... have preferences for specific cell types. For example, AAV1 and AAV9 serotypes have strong neuronal tropism...
  9. Adeno Associated Virus (AAV) for Cell and Gene Therapy

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    Blog Post
    ... the mutation or replacing the gene. A notable example is the treatment of Severe Combined Immune Deficiency...normally functioning T cell repertoire (1). In this example, it was possible to transduce the T-cells outside...based delivery techniques may hold the key. In the simplest form, translating gene therapies from conceptual...already have ways to prevent AAV infection. For example, prevalence of neutralizing antibodies against ...: 14566358.  2. Hirsch, M. L., et al. "Self-complementary AAV mediates gene targeting and enhances endonuclease...
  10. Nanoblades: Tiny CRISPR Ninjas for Genome Editing Difficult Cells

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    Blog Post
    ...CRISPR is a simple and versatile tool for genome engineering, but its utility is dependent on its ability... a fluorophore or tag. To utilize HDR, a donor template containing the desired sequence flank by homology...Nanoblades which carries a gRNA, Cas9, and a HDR donor template DNA can be generated by incubating Nanoblade particles...helps form DNA and retroviral-particle or VLPs complexes. The team found that "all-in-one" Nanoblades facilitated...facilitated HDR with either a ssDNA or dsDNA donor template. In vivo editing of mouse zygotes and mice with...
  11. 5 Tips for Troubleshooting Viral Transductions

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    Blog Post
    ... don't do anything. Viruses are complicated and they perform complex biological tasks, both of which ...virus-based experiment at one point or another. After amplifying a viral vector, collecting virus, and transducing...replication. To avoid genomic rearrangements, try amplifying the viral vector with bacteria designed to minimize...vector using the harvested viral solution as a PCR template. Regardless of the type of virus you’re working...
  12. Hot Plasmids and Viral Preps - May 2021

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    Blog Post
    ...many aaRSs exist within a multi-tRNA synthetase complex, the team investigated whether the generated antibodies...antibodies were able to immunoprecipitate the entire complex in three different cell lines. The Gräslund lab...jbc.RA120.01289     Novel protein cage provides simple enzyme protection in yeast bioproduction pathways... a reaction pathway, the MPyV system provides a simple, efficient method for protecting a single enzyme...SaCas9. A new yeast inducible CRISPRi library - Ampl133 targets S. cerevisiae genes with 6-12 guides per...
  13. Fluorescent Proteins 101: Fluorescent Protein Timers

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    Blog Post
    ...and look at them under a microscope, fractionate samples to isolate particular organelles and their contents...fluorescent proteins have usurped old methods or complemented them in ways that make them much easier. A special...localized to a specific region of the cell. For example, if the ratio of red/green fluorescence falls within...protein or protein fusion. This one protein method simplifies cloning and makes your experimental setup less...in gene expression. In a developing embryo, for example, a researcher could determine whether or not newly...
  14. Mobile-CRISPRi: Bringing CRISPRi to Diverse Bacteria

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    Blog Post
    ...when studying them since their complete knockdown is lethal. Incomplete or titratable knockdown, however...the tools scientists can use to study them. For example, gene knockdown with CRISPR interference (CRISPRi...pathogenic strains and environmental isolates. For example, Peters and colleagues used Mobile-CRISPRi to knockdown...if that gene is a target of an antibiotic. For example, let’s take a look at the essential gene folA which...
  15. PhD Applications After COVID

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    Blog Post
    ...know that this process only became even more complicated with COVID-19 and standards for hybrid, virtual... tends to go something like this:   However, as simply as it seems laid out above, there are many places...where the PhD application cycle becomes much more complex. “How do I reach out to potential mentors?” “Where...very valid questions, and often make an already complicated process even more difficult. I’ve learned that...potential programs and universities stressful or simply not feasible. Through the virtual systems created...
  16. Plasmids 101: Optimizing Plasmid Yields

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    Blog Post
    ...remove endonucleases (see figure at right for an example). Look out for carbohydrates Certain strains, including...the cell lysis process. To ensure that lysis is complete, use a reagent like Qiagen’s LyseBlue, which uses... uses color to show you if lysis is incomplete. Protein expression strains are not good for cloning Bacterial...yields. Why would volume make a difference? In the simplest of terms, more volume = more cells = more plasmid...the material used for inoculation. To further complicate matters, plasmid copy numbers are often ambiguous...
  17. Anatomy of a Plasmid Page at Addgene

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    Blog Post
    ... plasmid page is nested in. You can see in the example above that the bread crumbs trail starts in the...publication. Addgene makes this easy by providing a template citation for you to use in your Materials and ... Use the Addgene catalog number to easily find template citations for Addgene plasmids you have used in...  These sequences are provided in FASTA format (example) and can be analyzed using Addgene’s Analyze Sequence...Price of course! The price of some items vary, for example, plasmid kits are avaliable for less than than ...
  18. Summer SciComm Series: Modes of Communication

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    Blog Post
    ... the start, or if you can begin simply and build up to more complexity if needed. And since we live in...socioeconomic status and geographic location. For example, not all social media platforms are available or...expertise needed can increase exponentially with complexity. Podcasts Medium Easy for audience to engage...Written works Low Flexible. Low barrier to entry. Ample distribution channels both digitally and physically...
  19. The Effect of COVID-19 on Liu Lab Plasmid Requests From Addgene Data

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    Blog Post
    ...editing, base editing, PACE, and DNA-templated synthesis are four examples of technologies pioneered in his...lockdown for weeks to months, pausing or terminating employment for a significant fraction of the workforce. ...between Jan. 1 and Mar. 1, 2020. Figure 2: A simple approximation of the effect of COVID-19 on data...effects fairly well. However, we observed one complication in the China data – there is a period of 1 month...
  20. Plasmids 101: Secondary Nanobody Toolbox

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    Blog Post
    ...incubated together without forming large oligomeric complexes. Antibodies are also too large to be expressed...primary antibody-nanobody mix can be added to your sample, thus eliminating the secondary antibody incubation...two-step staining with antibodies. Nanobodies also simplify multicolor staining experiments because they don...568, or Alexa Fluor 647 before application to the sample. Staining with this multi-color staining workflow...imaging, rapid epitope-mapping and native protein complex isolation. eLife. PubMed PMID: 26633879 PubMed ...
Showing: 421 - 440 of 928 results