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Showing: 141 - 160 of 649 results
  1. Savvy Advocates Needed to Navigate a Scientific Enterprise in Flux

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    Blog Post
    ...leading the process despite the recent advance. Similarly, grad students throughout universities that are...finding money in already tight lab budgets and even simply being able to categorize all postdocs at institutions...of institutional responses to the FLSA ruling. Similarly, from purely a salary perspective, while this ... advocate for the opportunities they present. Similarly, ongoing issues that affect all scientists; such...
  2. Plasmids 101: FLEx Vectors

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    Blog Post
    ...elements to turn off expression of one gene, while simultaneously turning on the expression of another! What...point mutation or functional mutation in vivo: Similar to a conditional rescue experiment with a wildtype...sense (on) orientation in the presence of Cre. A similar strategy can be employed for "Cre-off" (i.e. your...Boyden Bernardo Sabatini Wenbiao Chen Liquin Luo Massimo Scanziani Scott Sternson Roger Tsien Naoshige Uchida...
  3. Antibodies 101: ELISA (Enzyme-linked Immunosorbent Assay)

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    Blog Post
    ...indirect ELISA is very similar to a direct ELISA, aside from the detection step. Similarly, the protein antigen...Boguszewska et al., 2019.   Competitive ELISA Similar to a sandwich ELISA, the competitive ELISA is also... visualization. The indirect ELISA is used for similar experiments as the direct ELISA, the only difference...
  4. CRISPR Activators: A Comparison Between dCas9-VP64, SAM, SunTag, VPR, and More!

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    Blog Post
    ...CRISPR/Cas systems, however, greatly improved the simplicity of gene activation: rather than requiring protein...CRISPR activator. While it requires a relatively simple construct, it exhibits modest levels of gene activation...compared to the SAM system. Its activation levels are similar to that of SunTag. An advantage to this method ...Shi L, Cheng L, Huang P, Yang H (2018) In vivo simultaneous transcriptional activation of multiple genes...
  5. Golden Gate Assembly Upgrades: More Fragments, Faster Assembly, and Higher Fidelity

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    Blog Post
    ...accuracy. Golden Gate assembly involves the simultaneous activities of a Type IIS restriction enzyme ...destination vector receives the assembly after similar Type IIS restriction enzyme cutting results in ...performed additional efficiency measurements using similarly sized Lambda amplicon inserts to control for any...assembly. The fidelity data can be applied to derive similar high-fidelity overhangs for any Golden Gate assembly...
  6. Interview: Nicola Patron on Plant Synthetic Biology, MoClo, and More

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    Blog Post
    ...to show that they work well in plants and give similar stability to transcripts as the ones that people...we are collecting sequences that will provide a similar resource for those involved in monocot engineering...purification; the whole cloning process is so simplistic once you have your parts. That was the motivation...people to, for example, knock out a gene with simultaneous complementation, with a knockout and expression...
  7. Tips for Using BLAST to Verify Plasmids

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    Blog Post
    ...getting-started guide for BLAST, which includes a simple explanation of the different BLAST programs, databases...results. The default setting is “Optimize for Highly similar sequences (megablast)”, which is very fast and ...often unreliable, we suggest using the “Somewhat similar sequences (blastn)” program for blastn so that ...options and for our suggested blastx customization. Similar to nucleotide sequences, proteins often have repeated...
  8. INTEGRATE: Bacterial Genome Engineering Using CRISPR-Transposons

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    Blog Post
    ...V-K CRISPR-transposon systems function in a very similar manner to Type I-F, but instead employ a Cas12k...in single-plasmid INTEGRATE (pSPIN), which offer simple transformations for smaller cargos, and the ability... with the V. cholera INTEGRATE system follows a simple workflow: Clone spacer(s) into the CRISPR array...sequencing While CRISPR-transposons are powerful and simple to use, users should keep aware of a few important...
  9. Tips for arabidopsis transformation

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    Blog Post
    ...the plant genome using CRISPR/Cas9 Using pSiM24 for simplifying plant genetic engineering Using arabidopsis...seed growth on antibiotic-containing media) A similar process occurs in nature; Agrobacterium tDNA insertion... sweet potatoes (Kyndt et al., 2015)! It sounds simple, and it pretty much is, but there are some tips...
  10. CRISPR Activation: A Practical Guide

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    Blog Post
    ...oligo library synthesis. Prior to Cas9 activators, similar tools were made using other DNA binding proteins...change the sequence targeted by the activator by simply providing a new gRNA rather than engineering an...of its ability to target multiple gene loci simultaneously, CRISPRa can also be used to map molecular ...given cell type or organism, have been used in a similar manner to Cas9 activators. However, these can be...
  11. Neuronal labeling with Spaghetti Monster

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    Blog Post
    ...hemagglutinin (HA), myelocytomatosis viral oncogene (myc), simian virus 5-derived epitope (V5), the synthetic peptide...ability to distinguish weakly expressed and/or similar proteins Through their multiple, highly specific...standard tags and can be used to distinguish highly similar proteins. For example, N-cadherin (cadherin-2) ...belongs to a huge family of proteins that are highly similar in terms of sequence and thus very difficult to...
  12. Plasmids 101: Codon usage bias

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    Blog Post
    ...A similar genetic code is used by most organisms on Earth, but different organisms have different preferences...amino acids (see example to the right). With such simple rules, you might think it’s easy to come up with... express proteins in heterologous hosts. If you simply amplify a gene of interest from the human genome.... This is known as “codon optimization.” Though simple in theory, this is not as easy as it sounds. Even...
  13. Career Insights: Technical Support Specialist

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    Blog Post
    ...achieved by simply replacing the product in question. This can solve the problem in a simple way even if...(e.g. a postgraduate degree in law, an MBA, or similar), there are many roles out there that require exactly...Technical Support Advisor, Technical Correspondent or similar. While there isn’t a clear distinction between ...
  14. Plasmids 101: E. coli Strains for Protein Expression

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    Blog Post
    ...is completely deleted (designated lon or Δlon) similary reduce proteolysis of the expressed proteins. ... can neither restrict nor methylate DNA. dcm: Similarly, strains with this mutation are unable to methylate...coli T5 promoter (found on vectors such as pQE or similar), inducible under IPTG (lac repressor on the pREP4...variety of sources, so fear not—there are a few simple troubleshooting measures that can help get you ...
  15. Tips for Using FRET in Your Experiments

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    Blog Post
    ...technique, but it is very important to follow some simple rules to avoid common pitfalls and to use it at...recommend to using two fluorophores that have a similar brightness - even though in the most popular pair...most efficient approach for your own system. The simplest and the most popular one is the sensitised emission...photobleaching method The acceptor photobleaching method is simple but limited to a single measurement. This method...
  16. Antibodies 101: Beyond Surface Labeling

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    Blog Post
    ...techniques and strategies one can employ beyond simply incubating cells with single-fluorophore-conjugated... B cells, and dendritic cells. In this case, we simply need to label the lineage markers of all cell types...selected color will not be CD8+ T cells and we can simply “dump” them by gating on the negative population... new methods of target visualization beyond the simple surface labeling. Let’s briefly walk through the...
  17. Tips for Getting a Faculty Position

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    Blog Post
    ... to a Perfect Science Talk." 4. The chalk talk, simple in principle The first question I usually get about...focus of your first grant? (1-2 sentences) Simply stated, what are your aims? You could directly ...official aims, but I suggest distilling them into simple goals/outcomes. This isn't the time to go into ...in the knowledge that you have given everyone a simple plain language map of where you are going and what...
  18. CRISPR 101: Validating Your Genome Edit

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    Blog Post
    ...trace file generated in Sanger sequencing and a simple algorithm to quantify editing efficiency by insertion...unedited population and your Cas9-targeted cells. Simply upload both trace files to the TIDE tool online...knock-ins both large and small is a software very similar to TIDE known as TIDER (Tracking of insertions,...main advantage of NGS is that it allows you to simultaneously validate edits and look for off-target changes...
  19. Evolution of Lab Techniques

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    ...next-generation sequencing techniques to answer similar experimental questions (see below). Importantly...location of a given nucleotide, a researcher (or a simple computer program) can then reproduce the DNA sequence...generation DNA sequencing machines (9). Today, similar technologies, sometimes referred to as sequence...Kathleen, and Daniel Nathans. "Specific cleavage of simian virus 40 DNA by restriction endonuclease of Hemophilus...
  20. Five Popular Model Organisms, Part 2

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    ...models due to their size, physiology, and genetic similarities with humans. However, rats have some key differences...axolotl may reveal the potential humans have for a similar degree of regeneration.  In addition, axolotls ...have many age-related phenotypic changes that are similar to those observed in humans. Thus, understanding...them an ideal model organism; they are relatively simple to maintain and breed and they have large, easily...
Showing: 141 - 160 of 649 results