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Showing: 301 - 320 of 645 results
  1. Degrading DNA with Cascade-Cas3

    Type
    Blog Post
    Published
    Feb. 11, 2025, 2:15 p.m.
    ... number of ways, from small edits that change single base pairs, to chromosomal inversions and large deletions... deletion. However, there is the chance of a chromosomal inversion, or just random mutations if the chromosome...
  2. Viral Vectors 101: Voltage Indicators

    Type
    Blog Post
    Published
    Jan. 30, 2024, 2:15 p.m.
    ...and utilize both a genetic component as well as a small molecule which we will describe in more detail below...contain a FRET pair, a genetic component, and a small molecule component. Early versions of these sensors...component is delivered in vivo or in vitro and a small molecule is added exogenously to measure a phenotypic...
  3. Experimenting with New Careers while in Grad School

    Type
    Blog Post
    Published
    Feb. 25, 2016, 3:30 p.m.
    ...university with the community. I even spray painted a small erlenmeyer flask with gold glitter spray paint to...Museum and others when I was trying to find local informal science educators, and ever since, the State Museum...the network I built during graduate school is my informal advisory board. Although my goals may not have...
  4. Light Sheet Fluorescence Microscopy

    Type
    Blog Post
    Published
    July 16, 2015, 2:30 p.m.
    ...can be used with 3DISCO to image non-transgenic animals such as rats (17).  In addition, the use of viruses...over labeling methods as compared to transgenic animals (17).  These viral plasmids are available through...relationship of the central nervous system under normal and diseased conditions.  Thank you to our guest...
  5. Interview: Nicola Patron on Plant Synthetic Biology, MoClo, and More

    Type
    Blog Post
    Published
    June 12, 2014, 3:30 p.m.
    ...Charter and it has really strengthened the network of female scientists. Twitter has been really good for that.... I’m more in touch with a remarkable number of female scientists whose tweets I find really inspirational...about how much that’s on it are plants, and the animals you eat ate plants too. Think about how many people...
  6. Tips for Using BLAST to Verify Plasmids

    Type
    Blog Post
    Published
    May 29, 2014, 1:29 p.m.
    ... or scientific name into the Organism box. This small piece of information can significantly reduce your...Unlike megablast, the regular blastn program uses a smaller word size and lower scoring penalties for mismatches...desired analysis, BLAST may not always be your optimal choice. For difficult sequence alignments that ...
  7. An Introduction to Adenovirus

    Type
    Blog Post
    Published
    Oct. 3, 2023, 1:15 p.m.
    ...combination of the three (Servellita et al., 2023). Normally when children have acute viral hepatitis it is...commonly derived from the mastadenovirus members (mammalian-infecting members) of the Adenoviridae family,... adenoviral vectors in Addgene’s repository is smaller than for other vector types, we hope that this ...
  8. Course-Based Undergraduate Research Experiences (CUREs)

    Type
    Blog Post
    Published
    Feb. 9, 2023, 2:15 p.m.
    ...more focused format, where all students work on malate dehydrogenase (MDH), a citric acid cycle enzyme...characterization of a fusion protein: Histidine tag, malate dehydrogenase, and green fluorescent protein. Biochemistry...laboratory – a semester-long research approach using malate dehydrogenase as a research model. Biochemistry...
  9. Plasmids 101: Colony PCR

    Type
    Blog Post
    Published
    May 12, 2016, 2:30 p.m.
    ...sterile flat toothpick or pipette tip and swirl in a small amount of sterile water.  Pick 3-10 colonies in ...to start liquid cultures. Lastly, you can start small overnight liquid cultures with the clones you pick...boiling the sample before use or by directly adding a small volume of the sample to the PCR reaction. The bacteria...
  10. Your Lentiviral Plasmid FAQs Answered

    Type
    Blog Post
    Published
    April 23, 2014, 1:08 p.m.
    ...the 3rd-generation packaging systems offer the maximal biosafety available for the technology. The minor... divided as follows: Transfer vectors contain minimal cis-acting HIV components: LTRs, PPT, RRE, and ...vectors are SIN. Packaging plasmid(s) contain the minimal number of HIV genes required for virus production...
  11. Plasmids 101: Gateway Cloning

    Type
    Blog Post
    Published
    Jan. 12, 2017, 3:30 p.m.
    ...lentiviral expression of the human KRAS gene in mammalian cells. STEP 1: Generate an Entry Clone There are...expression level, and experimental purpose. For mammalian lentiviral expression, we could use a vector like...and is available for all kind of organisms from mammals to E. coli. Glossary of Gateway cloning vectors...
  12. 5 Reasons to Use Reddit for Science Communication

    Type
    Blog Post
    Published
    Oct. 20, 2016, 2:30 p.m.
    ...for permanent reference by the Winnower. The only small downside to the AMA from my end as an organizer/...of great stuff there anyway), but this is just a small quibble. If you are not too worried about selling...resources to the basic questions and to provide a small bit of support (you are not alone!) for those going...
  13. Advanced Uses of Cre-lox and Flp-FRT - A Neuroscientist’s View

    Type
    Blog Post
    Published
    Oct. 19, 2017, 1:54 p.m.
    ...optimum of 30 °C and is therefore inefficient in mammalian cells (usually grown at 37 °C). Smart molecular...populations) within neuronal networks in living animals. To accomplish such cell specific manipulations.... “Conditional Site-Specific Recombination in Mammalian Cells Using a Ligand-Dependent Chimeric Cre Recombinase...
  14. CRISPR 101: Targeting RNA with Cas13a (C2c2)

    Type
    Blog Post
    Published
    Sept. 21, 2017, 2:07 p.m.
    ...COVID-19 (Joung, Ladha et al., 2020). Cas13a in mammalian cells The Zhang lab made the exciting discovery...discovery that some Cas13a orthologs can function in mammalian and plant cells (Abudayyeh et al., 2017). They...superfolder GFP fusion to stabilize the protein in mammalian cells. LwaCas13a-msfGFP can mediate cleavage with...
  15. Plasmids 101: Plasmid Incompatibility

    Type
    Blog Post
    Published
    March 31, 2020, 1:15 p.m.
    ...where one plasmid outcompetes the other, usually a smaller, higher copy plasmid can more effectively titrate...Environmental Plasmids blog). Scientists have designed small, high copy incompatible plasmids that lead to asymmetrical...2012) Bacterial plasmid partition machinery: a minimalist approach to survival. Current Opinion in Structural...
  16. An Inside Look into Addgene's Dev Team

    Type
    Blog Post
    Published
    Jan. 23, 2020, 2:45 p.m.
    ...blind spots. Blind spots often result in less than optimal user experience and the overall soundness of the...development. Scrum teams plan and break up work into small, well defined chunks, called stories, and work on... to the story being scrapped or broken up into smaller stories. Since this occurs before a single line...
  17. CRISPR-mediated Plant Base Editors

    Type
    Blog Post
    Published
    Jan. 3, 2019, 1:35 p.m.
    ...studies demonstrated successful base editing in mammals, but there is a lack of base editors for plant ...PAM). ABE7.10 can edit target 'A' if it lies in a small genomic window: at protospacer position 4-8 counting...Agrobacterium-mediated transformation. We also constructed smaller vectors suitable for transient assays using protoplast...
  18. Plasmids 101: Codon usage bias

    Type
    Blog Post
    Published
    Sept. 27, 2018, 1:09 p.m.
    ... Pechmann and Frydman found that tracts of non-optimal codons are associated with specific secondary structures...coli strains express a variety of tRNAs that are normally found at low abundance in E. coli. The advantage... Frydman. "Evolutionary conservation of codon optimality reveals hidden signatures of cotranslational ...
  19. Viral Vectors 101: Preparing Pooled Libraries

    Type
    Blog Post
    Published
    July 13, 2023, 1:15 p.m.
    ...surprised at how this powerful tool is in such a small package. But don’t let the simple presentation deceive...freeze-thaw cycles needed when using the virus. A small aliquot is used to determine functional titer with...aliquot from an amplification done by Addgene.) This small aliquot is not enough to transfect producer cells...
Showing: 301 - 320 of 645 results