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We narrowed to 810 results for: mal

Showing: 281 - 300 of 810 results
  1. Intro to Our Summer SciComm Series!

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    Blog Post
    ...scicomm efforts fall under informal learning; however, many others partner with formal learning to engage students...peers can and do consume science communication.  Formal education is education that is provided through...fully and freely engage or disengage at will.  Informal education is education that is provided, typically...
  2. Viral Vectors 101: Transductions

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    Blog Post
    ...basis of transduction Transductions utilize the ‘normal’ mechanism of viral infiltration into a cell. The...be integrated into the host genome? Expressed episomally long-term? Expressed short-term? Answering these...non-integrating (adenovirus and AAV) but can still express episomally long-term (AAV). If you perform a lipid-based...transposon system, CRISPR targeted strategy, etc.) and episomal expression will last ~2-7 days at moderate levels...
  3. Celebrate Open Data Day with Addgene’s AAV Data Hub!

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    Blog Post
    ...and serotype did you use and what animal subject did you use? For animal subjects it is helpful to report...experimental details (e.g. titer, injection site, animal strain used). Similar to the goodwill of Addgene... Immunohistochemistry? Did you use any relevant animal treatment conditions like drugs (Chemogenetics)...
  4. Plasmids 101: A Brief History of Plasmids and an Improved eBook!

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    Blog Post
    ...Latin for 'it'), as “a generic term for any extrachromsomal hereditary determinant”. His proposal, however...1960s when scientists began to study other extrachromosomal particles, particularly Resistance or R-factors... deli in 1972. Using a deli napkin for paper, a small group of scientists including Stanley Falkow, Stanley...genes from different bacterial (and eventually mammalian) species were cloned into plasmids and new cloning...
  5. Mentoring for Scientists: I Have a Mentor, What Now?

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    Blog Post
    ...most of this new relationship? Consider adding formality and active goal setting to your mentoring relationships... Check out Joanne's Reddit AMA Add a little formality to mentoring Just getting together and chatting...phone, etc.)? Make agendas for your meetings, take informal minutes on what was covered and learned, especially...do after I get my PhD) and break them down into smaller, actionable steps (e.g. Meet 10 PhDs with interesting...
  6. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

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    Blog Post
    ...Pasteur, Paris) that changed genome editing in the malaria community for the better (Nat. Biotechnol., 2014...Plasmodium falciparum (the parasite that causes malaria). I attribute their success to technical expertise...thoughtful single guide RNA (sgRNA) design, and the abnormally low GC content of the Plasmodium falciparum genome...Examples: “organism agnostic”, “model organisms”, “small genome”, “large genome”, and “organism biased scoring...Ghorbal, Mehdi, et al. "Genome editing in the human malaria parasite Plasmodium falciparum using the CRISPR-Cas9...
  7. Crowdfight, a Platform to Boost Scientific Collaboration During COVID-19 and Beyond

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    Blog Post
    ... to test if a type of antibodies from an Andean mammal called alpaca could neutralize the SARS-CoV-2 virus...In the example above, for example, we fostered a formal scientific collaboration between two research groups...transient partnerships where a researcher makes a small but crucial contribution to someone else’s project...find the right expert and the lack of credit for small contributions. We strive to eliminate these two ...
  8. Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity

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    Blog Post
    ...characterized by the Oakes and Doudna Labs, which is both small and potentially less likely to elicit a strong immune...also shows promise for in vivo research due to its small size and specificity relative to Cas9. As scientists...Teng, Fei, et al. "Repurposing CRISPR-Cas12b for mammalian genome engineering." Cell discovery 4.1 (2018)...Read our CRISPR guide Find CRISPR plasmids for mammalian systems ...
  9. 15 Years of Addgene: The Top 15 Plasmids

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    Blog Post
    ...to deliver Cas9 and your gRNA of interest into mammalian cells. This vector was the top requested plasmid...) V2.0 - This plasmid from the Zhang lab is a mammalian vector that expresses both SpCas9 and your gRNAs...scrambled shRNA is used as a negative control for mammalian RNAi experiments.  Find the scrambled shRNA vector...2A-GFP (PX461). pSpCas9(BB)-2A-Puro (PX459) - This mammalian expression vector encodes both SpCas9 and your...
  10. GPCRs: How Do They Work and How Do We Study Them?

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    Blog Post
    ...genetically engineered receptors to interact with small molecules to elicit a response in a certain cell...genetically modified receptors are activated by small molecules to either activate or inhibit neuronal...to respond to specific, pharmacologically-inert, small molecules. These new receptors were termed Designer...muscarinic receptor family and are activated by small molecule ligands such as clozapine-N-oxide (CNO)...
  11. Viral Vectors 101: Biosensors

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    Blog Post
    ...same cellular location, all at once! Small molecules What type of small molecules can you monitor with biosensors...thing that you care about within your cellular or animal system. This ‘thing’ could be a neurotransmitter... those which can be applied in cell culture and animal models primarily. Fun fact: Almost all of the biosensors...
  12. Human Germline Editing Using CRISPR

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    Blog Post
    ... an autosomal dominant mutation in MYBPC3 that leads to hypertrophic cardiomyopathy. An adult male with...term ‘editing.’ While repair using endogenous chromosomal DNA is appealing for heterozygous mutations, ...they limited their whole genome sequencing to a small percentage of edited embryos. Since the embryos ...
  13. Summer SciComm: Preprints

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    Blog Post
    ...ways scientists communicate with each other: from formal mechanisms like publishing a research article, ...or submitting patent or grant applications; to informal settings like lab meetings, social media, coffee...before, submitting the manuscript to a journal for formal peer review. Some organizations, including some...preprints are eventually published in journals after formal peer review, with the earlier attention and feedback...
  14. To Each HIS Own

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    Blog Post
    ...long. The small size of the polyhistidine tag minimizes the chance of the tag disrupting normal protein ...function. In contrast, the polyhistidine tag is very small and rarely affects protein function (Bornhorst 2000...histidine-containing protein contamination, such as mammalian production systems, consider using these more ...
  15. All in a Twist: dsRNA

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    Blog Post
    ... and have a diverse range of functions within mammalian cells. Here, we will cover how these structures.... Unlike dsRNA, DNA:RNA hybrids are abundant in normal cells and are arise from a ssRNA engaging one strand...putting DNA at risk. Consequences of duplexed RNA Mammalian cells have multiple receptors in place to sense...strands to re-pair. The two dominating RNases in mammalian cells (RNase H1 and H2) handle most of these intermediates...
  16. Tagging Optogenetics and Chemogenetics Receptors: Fluorescent Proteins and Other Options

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    Blog Post
    ... were in the cytoplasm of dendrites, and only a small proportion were found on the plasma membrane (top...neurons, most of them were still cytoplasmic. Use of ‘small’ tags to identify proteins Given the limited expression...plasma membrane. The haemagglutinin (HA) tag is a small 9 amino acid epitope of the haemagglutinin of the...mice and monkeys. Surprisingly, we found that this small change made a big difference. Replacing the mCherry...
  17. 5 Tips for Troubleshooting Viral Transductions

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    Blog Post
    ...An estimated 320,000 viruses can infect mammals. Even more abundant are the Earth’s estimated 1031 bacteriophages...by resuspension of the collected particles in a smaller volume. Always remove packaging cell debris before...strategy to estimate unknown viral diversity in mammals." MBio 4.5 (2013): e00598-13. PubMed PMID: 24003179...events during integration of transfected DNA into normal human cells."Nucleic acids research 18.9 (1990)...
  18. Cpf1 Update: Comparison to Cas9 and NgAgo

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    Blog Post
    ...homology-directed repair. Both Cpf1 and its guide RNAs are smaller than their SpCas9 counterparts, so they will be...in length, respectively, larger than SaCas9 but smaller than SpCas9. These nucleases should fit well into...the newly described non-CRISPR protein NgAgo is smaller than any of these options (2.7 kb with 24 nt guides...efficiency of two Cpf1 orthologs known to be active in mammalian cells, LbCpf1 and AsCpf1. In both reports, on ...
  19. Plasmids 101: Terminators and PolyA signals

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    Blog Post
    ...types of RNA: Polymerase I is responsible for ribosomal RNA, Polymerase II is responsible for mRNA and...seems to couple termination with polyadenlyation. Mammalian expression plasmids are primarily used to create...create mRNA and the commonly used mammalian terminators (SV40, hGH, BGH, and rbGlob) include the sequence...commons.wikimedia.org/w/index.php?curid=17554393   Use of mammalian poly(A) signals in combination with certain viral...
Showing: 281 - 300 of 810 results