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Showing: 181 - 200 of 399 results
  1. CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More

    Type
    Blog Post
    ... pCRISPomyces-2 contains Cas9 and a gRNA cassette. The simpler system of pCRISPomyces-2 displays a higher...and a subsequent curing protocol that requires only 2-3 hours incubation. E. coli and T. citrea scarless...four major components including (1) a CRISPR RNA, (2) four proteins forming the QCascade DNA-targeting ...inefficiency? Use CRISPR to make it a selectable process! As NHEJ is ineffective in bacteria, CRISPR-induced...collection of organisms, their genes, and metabolic processes, occupying the gut. Many human diseases have connections...properties of CRISPR-Cas systems is base editing. This process is generally accomplished by fusing an enzyme capable...
  2. Plasmids 101: Broad Host Range Plasmids

    Type
    Blog Post
    ...host range plasmids. FEMS Microbiology Letters, 348(2), 87–96. https://doi.org/10.1111/1574-6968.12241  ...mobilization of broad host-range IncQ plasmids. Plasmid, 62(2), 57–70. https://doi.org/10.1016/j.plasmid.2009.05.001...negative hosts. Biotechnology and Bioengineering, 106(2), 326–332. https://doi.org/10.1002/bit.22695  Schmidhauser..., as they allow for simplified transformation processes, and can be used by scientists across disciplines...
  3. Visualizing Translation at the Single Molecule Level

    Type
    Blog Post
    ...the reporter mRNA is labeled by PCP-mCherry (Figure 2). The 3’ UTR also contains a CAAX sequence to bind...PMC2746483 Find ribosome profiling plasmids at Addgene. 2. Halstead, James M., et al. “Translation. An RNA biosensor...useful, this technique requires extensive sample processing to avoid disrupting ribosome-mRNA complexes. ...
  4. Pairing CombiGEM and CRISPR for Combinatorial Genetic Screening

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    Blog Post
    ...CombiGEM lentiviral vector backbone pAWp12 (Figure 2). Cloning from the pAWp28 storage vector to the pAWp12...PMID: 25114216. PubMed Central PMCID: PMC4151723. 2. Doench, John G., et al. "Optimized sgRNA design to... massively parallel combinatorial genetics." Proceedings of the National Academy of Sciences 111.34 (2014... CRISPR-Cas9 screening enabled by CombiGEM." Proceedings of the National Academy of Sciences113.9 (2016...
  5. Hot Plasmids - January 2023

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    Blog Post
    ...is always best to have options.      Fig. 2: Addgene’s western blot for mEGFP-HRas (from Plasmid...the presence of oxidizing agents. Adapted from Fig. 2 Campbell et al, Nature Methods   Find YFP plasmids...exposure can negatively affect FPs during these processes. The Liu and Petsko labs recently engineered hyperfolder...
  6. Four Factors that Differentiate the Stem Cell Field

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    Blog Post
    ...Interview with Stem Cell Researcher Darrell Kotton 2. Stem cell scientists care about patients As any grad... Yamanaka explained that it took 50 people nearly 2 years to create the first stem cell line that could...be used in clinical trials. The quality control process alone takes nearly a year. Addgene depositor Juan...
  7. Fluorescent Proteins 101: Monitoring Cell Mobility Using Fluorescent Proteins

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    Blog Post
    ... fluorescent proteins expressed in the specimen.  2. Fluorescence Activated Cell Sorter (FACs) A machine...photostability of your fluorescent protein when using 2-photon microscopy as this hasn't been well reported...PMID: 18703742. PubMed Central PMCID: PMC2606057. 2. Chtanova, Tatyana, et al. "Dynamics of neutrophil...division and large scale cell mobility are essential processes during embryonic development. These are required...differentiated body. In contrast, these dynamic processes are largely absent in adult organisms, where tissues... injury in the acutely inflamed glomerulus." Proceedings of the National Academy of Sciences (2016): 201606253...cell subsets in the skin-draining lymph node." Proceedings of the National Academy of Sciences 113.4 (2016...
  8. Plasmids 101: Common Lab E. coli Strains

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    Blog Post
    ...Table 2: Lab strains of E. coli Strain Natural resistance Primary Use Genotype ccdB Survival 2 T1R ...resistance to tetracycline Additionally, Table 2 provides a quick reference for some of the popular...prokaryotic minions that carried out the labor-intensive process of replicating your new plasmid: the Escherichia...
  9. CRISPR 101: Off-Target Effects

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    Blog Post
    ...sites would confound your experimental results and 2) perform targeted off-target measurements at those...experiments where only localization of the Cas occurs. 2 gRNA approach Off-targets that come from mutations...perform downstream characterization of, isolating 2 or 3 distinct clones to perform key experiments on...You only successfully generate 1 null clone and proceed with it. In this case, the likelihood of having...
  10. Deep Dive: Fixing and Permeabilizing for Immunofluorescence

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    Blog Post
    ... of permeabilization and membrane integrity (Fig. 2). For example, saponin interacts with cholesterol ... at too high a concentration.      Figure 2: Examples of different permeabilization strategies...or point in time. You want to halt degradative processes while maintaining the structure of your samples...doi.org/10.1007/978-1-4939-8935-5_26  Rolls G (2022) Process of Tissue Fixation & the Nature of Fixatives in...knowledge-pathway/fixation-and-fixatives-1-the-process-of-fixation-and-the-nature-of-fixatives/  Additional...
  11. 6 Tips for Grant Writing

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    Blog Post
    ...days before the deadline isn’t going to be much use. 2. Originality is essential for grant success The two... it’s important not to throw in the towel if 1 or 2 funding bodies say no. If possible, get feedback from...feedback. They’ve most likely been through the process themselves many times and will have useful advice...agency’s investment. 6. Failure is part of the process, keep your head up! It’s very likely that at first...
  12. Savvy Advocates Needed to Navigate a Scientific Enterprise in Flux

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    Blog Post
    ...is funded have been well documented over the past 2 years (Alberts et al, PNAS 2014; Taylor, eLife, 2016...PMID: 24733905. Pubmed Central PMCID: PMC4000813. 2. Taylor, Justin Q., et al. “Avoiding a lost generation...road ahead for students interested in leading the process despite the recent advance. Similarly, grad students...biomedical research from its systemic flaws." Proceedings of the National Academy of Sciences 111.16 (2014...
  13. Plasmids 101: Using Transposons in the Lab

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    Blog Post
    ...somewhere else (Fig. 2). Class II TEs have LTRs on both of their ends.    Figure 2: Overview of DNA...has four major components: 1) a CRISPR RNA (crRNA), 2) four proteins (TniQ, Cas8, Cas7, Cas6) that forms...incorporation of that sequence into the zygote’s genome, a process that’s highly unpredictable. Transposons, however...injection into the cytoplasm of a fertilized egg, a process which is inefficient when DNA is injected. Sleeping...
  14. Quick Guide to All Things Lentivirus

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    Blog Post
    ...for this process is to test several protocols that have been described (protocol 1, protocol 2, protocol..., and the desired gene (transfer vector plasmid), 2) the HIV-1 genome containing all viral genes with ...PubMed PMID: 3785217. PubMed Central PMCID: PMC367857. 2. Naldini, Luigi, et al. "In vivo gene delivery and...your virus. Virus purification can be a tricky process. You have to centrifuge the culture supernatant...
  15. 7 Tips to Secure a STEAM Internship This Summer

    Type
    Blog Post
    ...and scholarships in different subject areas!    2. Resume and cover letter know-how  Tailor your resume...4. Letters of recommendation wisdom  Reach out to 2-3 individuals in your professional circle to vouch...dream.  To help students focus on the application process, and simplify access to academic resources, we ...
  16. Advice for Starting a Biotech Company from a Grad Student turned Entrepreneur

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    Blog Post
    ...go anywhere. The team should initially consist of 2-3 individuals that are aligned in vision and outcomes... the technology. This transition takes around 1 – 2 years. The product is the measure of success. Technology...time to speak with us about the biotech startup process and work environment! Interested in Synthetic Biology...
Showing: 181 - 200 of 399 results