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We narrowed to 1,042 results for: URE

Showing: 781 - 810 of 1042 results
  1. Choosing Your Fluorescent Proteins for Multi-Color Imaging

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    Blog Post
    ...see the Introduction to Fluorescence Microscopy lecture at iBiology. Commonly used filter sets & relevant...this filter set and have reported brightness measurements. Here, EGFP outperforms the improved folding...variants, presumably due to the lower growth temperature. This also suggests, however, that there is no...
  2. Luminescent Imaging with Nano-lanterns

    Type
    Blog Post
    ...processes directly affected by light. Long-term light exposure can also lead to cellular phototoxicity, and experimental...substrate like coelenterazine is supplied in the culture medium to allow RLuc8 to produce photons. The original...wavelength to specify which FP emission you’ll capture. Since the Nano-lantern system does not use external...
  3. Plasmids 101: Screening Strategies Used in Plasmid Cloning

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    Blog Post
    ...screening blog post for more information.   Figure 1: Result of a blue-white screen. Image from Stefan...more about colony PCR in this blog post.   Figure 2: The steps of colony PCR.   Sanger sequencing...in this case a plasmid. Sequencing is one of the surest ways to know that your insert is what you expect...
  4. Plasmids 101: Transformation, Transduction, Bacterial Conjugation, and Transfection

    Type
    Blog Post
    ...virulence. Scientists have studied how HGT occurs in nature and have learned how to introduce genetic materials...Transformation, transduction, and conjugation occur in nature as forms of HGT, but transfection is unique to ...material from the environment by bacterial cells. In nature, this genetic material often comes from adjacent...
  5. Giving gRNAs a Facelift - Synthetic and Beyond

    Type
    Blog Post
    ...molecules of the RNA backbone to increase stability.  Nature has evolved ways to prevent degradation of important...and rendered useless after less than a minute of exposure to the appropriate light. The photoactivatable...to engage a target sequence. Upon a brief light exposure (several seconds) the gRNA is released and the...
  6. Sweating the Small Stuff: Details in the Lab

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    Blog Post
    ...consolidate several steps into one. Soon you’ll figure out what prompts you need to consistently and accurately... accurately run a protocol.   Figure 1: Evolution of a Western blot protocol, from a full page ...experimental steps are worth doing, and doing well, so make sure you’re taking time to do them carefully and thoroughly...
  7. Viral Vectors 101: Gamma-Retroviral Packaging Systems

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    Blog Post
    ...additional flexibility in pseudotyping.   Figure 1: Genome of a prototypical gamma-retrovirus.  ...nucleus through the nuclear pore complex. This feature may be useful for the transduction of terminally...-retroviral plasmids have similar names? The nomenclature of the plasmid backbone is meant to be descriptive...
  8. The Many Reasons for Irreproducible Research- and a Vaccine to Eradicate It

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    Blog Post
    ...and you think there are four important times to measure that growth rate, you report the results of all...between hypothesis testing and generation, can be sure that results will be reported regardless of outcome...the journal and reviewers are incentivized to make sure that any possible null is really a true null and...
  9. Communicating Your Science With Help From ComSciCon

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    Blog Post
    ...results you've measured should change established theory. So, what can you do to ensure that your skills...our website and social channels to apply for our future events. In addition to this annual event, graduate...
  10. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

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    Blog Post
    ...won’t work if the fragment ends have secondary structure or too much sequence similarity. REPLACR-mutagenesis...expressing recombineering proteins Red/ET from a temperature-sensitive plasmid. Homologous recombination then...also well suited for insertions and deletions. The figure above shows guidelines for primer design; a desired...
  11. Protein Tagging with CRISPR/Cas9: A Conversation with Mendenhall and Myers

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    Blog Post
    ...at all 1,500 or 1,600 transcription factors and figure out where they bind to the genome. We’ve been doing...other scientists quickly? Myers: We were hoping to figure out how to do this for many hundreds of transcription...as well. We would also like to put some social pressure on many other labs that may be doing something...
  12. It’s Bioelectric! An Exciting Interdisciplinary Field of Research

    Type
    Blog Post
    ... known as the resting potential (Vmem), can be measured as the imbalance of electrical charge between ...of the pHLuorin fluorescent protein. This GEVI features increased brightness and improved plasma membrane...Levin, Director of the Allen Discovery Center. The future of this field has a high potential for the advancement...
  13. Reproducibility for Everyone: Lessons from an Open Science Collaboration

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    Blog Post
    ...These workshops illustrate the open and modular nature of the workshop content: different parts could ...for securing funding to support this effort. The future of reproducibility workshops and lessons learned.... Be on the lookout for upcoming workshops at future conferences this year. Workshops are confirmed ...
  14. CRISPR Meets Synthetic Biology: A Conversation with MIT’s Christopher Voigt

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    Blog Post
    ..., with the expectation for major advances in agriculture, materials, chemicals, and medicine. As they’...and where all of it is likely to lead us in the future. Building circuits from CRISPRs Addgene: What...interactions. That’s relevant if you want to make sure you don’t target anywhere else, but for synthetic...
  15. Plasmids 101: Modular Cloning

    Type
    Blog Post
    ... Level 1 TUs into multigene constructs. Figure 2: The three assembly levels of MoClo. Image courtesy...modification of these chemical products. The flexible nature of MoClo allows users to test a variety of different....pone.0016765.  Hahn, F., Korolev, A., Sanjurjo Loures, L. et al. A modular cloning toolkit for genome...
  16. Progress Towards a PAM-Free CRISPR

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    Blog Post
    ...including propensity for off-targets, secondary structures, etc., as well as the presence of a Protospacer...one of several Cas9s that recognize NG PAMs. The Nureki lab generated SpCas9-NG, a rationally engineered...lab sought to address the PAM problem through structure-guided engineering of the PAM-interacting domain...
  17. High Complexity Golden Gate Assembly with NEB’s DAD

    Type
    Blog Post
    ...Golden (Gate) pot (Pryor et al., 2022).     Figure 1: Workflow for high complexity Golden Gate Assemblies...cycling conditions (see Table 1).   Enzyme Temperature Incubation time/cycling Overhang length ...also optimized the thermocycler protocols and made sure that T4 ligase was the correct choice for the job...
  18. Antibodies 101: Choosing the Right Isotype

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    Blog Post
    ...IgG2a antibody. When using a monoclonal antibody be sure to use a highly specific secondary antibody, rather...IgG2a > IgG2b > IgG1 (Manning 2012).      Figure 1: Broadly reactive versus subclass-specific antibodies...antibodies rather than generally reactive ones. And make sure to check for any reported cross-reactivity when ...
  19. A Look Back at One Year of Plasmid Sharing for COVID-19 Research

    Type
    Blog Post
    ... have reached labs in over 75 countries. Figure 1: SARS-CoV-2 proteins and other components. Image... the spike protein was developed based on 100 structure-guided spike designs and has improved protein ...Maynard JA, Finkelstein IJ, McLellan JS (2020) Structure-based design of prefusion-stabilized SARS-CoV-...
  20. Tips to Make the Most of a Scientific Conference

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    Blog Post
    ...depending on the size of the conference). This made sure I didn’t zone out and kept me engaged throughout...If you’re presenting a poster at a conference, be sure to practice beforehand. Generally, two types of ...be on their website or the program booklet. Make sure you’re familiar with the policies before posting...
  21. Of Myc and Men

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    Blog Post
    ...of antibodies as tools allowed us to detect and capture proteins of interest to better study them in vivo...tagged protein rather than at the C-terminus. These features made this tag easier to use and more flexible ...will remain an important tool for the foreseeable future. These newer findings simply add to our understanding...
  22. Plasmids 101: 5 factors to help you choose the right cloning method

    Type
    Blog Post
    ...available, you now face the challenge of trying to figure out what system might work best for your particular...vector reseals and other incorrect products. This feature biases the reaction in favor of the desired assembly...which one works best for you. Happy cloning (and be sure to deposit your finished constructs at Addgene!)...
  23. Transgenic Organisms, Cas9 Gene Drives, and Appropriate Safeguards

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    Blog Post
    ...heterozygote into a homozygote and ensuring that all future offspring inherit the endonuclease gene. As we ...address many pressing global problems in health, agriculture, and conservation. But please be aware that there...biosafety officer should be familiar with appropriate measures. Barriers should be a component of all gene drive...
  24. SciComm: Taking Science to Elementary and Middle Schools

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    Blog Post
    ...range of attention spans, skill levels, and STEM exposure. If you expect a lot of kids, you’re going to ... we can make this fun activity relate to STEM.” Figure 1 shows the activities we had for my school’s Math...Perhaps you have young children and you want to make sure their STEM education is supplemented. A 2009 study...
  25. Uncovering Ancestral Bias in CRISPR Research

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    Blog Post
    ...and Fultineer analyzed the gnomAD dataset, which captures a broader swath of human genetic diversity, to...Project: a global resource to map genomic diversity. Nature 604, 437–446 (2022). https://doi.org/10.1038/s41586...weaponization of genetics research by extremists. Nature 610, 444-447 (2022). doi: 10.1038/d41586-022-03252...
  26. AAVs in Retinal Gene Therapy

    Type
    Blog Post
    ...vision in a canine model of childhood blindness. Nature Genetics 28, 92-95. PubMed PMID: 11326284. 4. Bennett...L., 2015. Gene Therapy returns to centre stage. Nature Vol 526, p.351. PubMed PMID: 26469046. 6. The Forever... Rev Virol. 2014 Nov;1(1):427-51. DOI: 10.1146/annurev-virology-031413-085355. PubMed PMID: 26958729.  ...
Showing: 781 - 810 of 1042 results