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  1. Multifunctional Neural Fibers: Modulation from Gut to Brain

    Type
    Blog Post
    Published
    Aug. 31, 2023, 1 p.m.
    ...this emerging technology! Resources and References References Orguc, S., Sands, J., Sahasrabudhe, A., ...electrophysiological potential afterwards. This measurement trended with expression of the opsin in the target neurons...obvious next applications are to expand the tool to different brain-organ axes. Alternatively, the system could...Free Behavior. 2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology...
  2. Identifying Sequence Elements with SnapGene's Feature Database

    Type
    Blog Post
    Published
    Dec. 21, 2017, 2:06 p.m.
    ...due to genetic drift and the use of genes from different microbial strains. It proved to be impractical... least 96% sequence identity when detecting a reference feature. For a coding sequence feature that may... could miss a common feature if the sequence differences exceed the threshold. This issue is addressed...often come in closely related versions that have different properties. To prevent misidentification, we augment...way for SnapGene users to apply features from a reference strain to newly sequenced strains through our ...
  3. Summer SciComm: Science Storytelling

    Type
    Blog Post
    Published
    Sept. 16, 2022, 1:15 p.m.
    ...obstacles that need to be overcome. Conflict, and its inherent tension, is interesting. It’s what drives a story...actually from a completely unexpected finding in a different experiment, this tool was developed because a ...couldn’t progress without it… These details often aren’t included in scientific communications, but they...scientists doing the work.  And while these pieces aren't always appropriate for your formal scientific communications...doing and sharing science in the first place?   References and Resources More resources on the Addgene blog...
  4. Plasmids 101: Origin of Replication

    Type
    Blog Post
    Published
    Nov. 11, 2020, 2:23 p.m.
    ...cells. The replicons of plasmids are generally different from the those used to replicate the host's chromosomal...include ColE1, pMB1 (which comes in a few slightly different but well known derivatives), pSC101, R6K, and ...considerations. *Requires pir gene for replication (reference). **F1 is a phage-derived ori that allows for...chloramphenicol – make sure your growth conditions aren't working against you!  The culture inoculum ...clarified? If so please, post in the comments.  References Chatterjee A, Sun SB, Furman JL, Xiao H, Schultz...
  5. HA Frankenbody, a New Imaging Tool to Visualize Single Molecules and Nascent Peptides

    Type
    Blog Post
    Published
    Oct. 10, 2019, 12:41 p.m.
    ...antibodies for tagging purposes. Different antibodies bind different protein sequences called epitopes...infamous frankenstein, was constructed by grafting different parts together. By combining two optimized elements...living cells. To make these scaffolds specific to different targets, the scientists fused them to sequences...to build a more robust set of frankenbodies. References Ewert, S., Honegger, A., & Pluckthun, A. (2004...
  6. Comparing Cas9 to NgAgo: Can the Argonautes Best CRISPR?

    Type
    Blog Post
    Published
    June 9, 2016, 2:30 p.m.
    ...Argonaute proteins play an important role in RNA interference, binding RNA guides to cleave foreign RNA. Argonaute...guides/gene for 10 genes, they did not observe differences in cleavage efficiency. If this finding is replicated...) or staggered (Cpf1) cleavage. NgAgo takes a different approach, randomly removing 1-20 nucleotides from...Read About NgAgo User's First Impressions Here References 1. Gao, Feng, Xiao Z. Shen, Feng Jiang, Yongqiang... 2. Swarts, Daan C., et al.  “DNA-guided DNA interference by a prokaryotic Argonaute.” Nature. 507(7491...
  7. Antibodies 101: Introduction to Antibodies

    Type
    Blog Post
    Published
    Jan. 19, 2021, 2:15 p.m.
    ...isotype is expressed at different times of the immune response and initiates different immune cascades. In...In the research setting, antibodies of different isotypes can be used together in the same experiment ...However, each animal will make antibodies against different protein epitopes and so variability between lots...types of antibodies are out there, and how many different research applications they can be used for. Addgene... - and we’re always growing our collection! References: Arbabi-Ghahroudi M (2017) Camelid Single-Domain...
  8. Fluorescent Proteins 101: Monitoring Cell Mobility Using Fluorescent Proteins

    Type
    Blog Post
    Published
    Aug. 15, 2017, 1:24 p.m.
    ...transition from a clump of cells to a fully differentiated body. In contrast, these dynamic processes ...distinguishing cell populations that have been tagged with different fluorescent proteins or dyes. 3. Two-photon microscopy...cells. For example, by harvesting lymph nodes at different times after antigen challenge, scientists were... see movement and interaction between several different immune cells. These methods allowed immunologists... like this is a mosaic of cells labelled with different fluorescent proteins. Using one iteration of this...understanding of the immune system and its dynamics. References 1. Peters, Nathan C., et al. "In vivo imaging...
  9. Revamp Your Lab Meetings With Creative Virtual Collaboration

    Type
    Blog Post
    Published
    Feb. 9, 2021, 2:15 p.m.
    ...for creative interaction During Zoom meetings, different tools can be used to promote creative interaction...as a picture. I believe that showing something different from time to time breaks up the monologue a little...papers will be written by several authors from different institutes, disciplines, and cultural backgrounds...and only general chatter will be allowed with a different host each time that moderates conversations. This...communities. You can follow him on twitter @salmon_phd References Frassl MA, Hamilton DP, Denfeld BA, de Eyto E...
  10. K. phaffii: Rising to the Occasion

    Type
    Blog Post
    Published
    April 4, 2023, 1 p.m.
    ...have risen into yeast expertise! References and Resources References Liu, Wei, et al., From Saccharomyces...lists some of the biological commonalities and differences between K. phaffii and other yeast strains.   ...Applications for K. phaffii There’s a number of different uses for the phaffii-lous strain. Protein expression...The yeast giants - S. cerevisiae and S. pombe - aren’t going anywhere anytime soon, and for good reason...
  11. The MTA at Addgene

    Type
    Blog Post
    Published
    July 23, 2024, 2:17 p.m.
    ...globe, it can be a bit of a mystery for those who aren’t familiar with it. If you’re curious about the hows...is shared between two parties. There are many different flavors of MTAs, but the Uniform Biological Material...which sometimes makes people think our MTAs are different than other institutes. But they’re not! The vast...perfect, but it does provide consistency and transparency in an otherwise messy process.  And you do have..., instead of coordinating signatures from two different institutes. Our online portal automates a lot ...
  12. Fluorescent Protein Travel Awards - Protein Variants, a Serotonin Sensor, and an Artificial Leaf Replica System

    Type
    Blog Post
    Published
    June 4, 2019, 1:02 p.m.
    ...that replicate current knowledge, but the sensor can also kinetically outperform current methods. Unger...intended to help early career scientists attend a conference of their choice to share their fluorescent protein...are then extracted and sequenced. Chiasson is currently using VAMP-seq to study vitamin K epoxide reductase...and rapidly test the variants in vitro against different drugs and dosages.  Michal Bernach: Developing...
  13. Plasmids 101: NGS Quality Control for Pooled Libraries

    Type
    Blog Post
    Published
    Oct. 26, 2017, 1:59 p.m.
    ... the library are differently sized, smaller plasmids may be amplified preferentially, skewing the composition...successful amplification? To provide a point of reference, Addgene commonly prepares NGS samples using both...overrepresented plasmids (plasmids that were amplified preferentially). You can also rank the plasmids by abundance...create a “cumulative wealth distribution” curve, or Lorenz curve. By calculating the area under the curve ...
  14. Plasmids 101: How to Verify Your Plasmid Using a Restriction Digest Analysis

    Type
    Blog Post
    Published
    Aug. 28, 2014, 3:34 p.m.
    ...based on the predicted sizes and organization of different features within the plasmid. Restriction analysis...can search NCBI for YGOI to find the particular reference sequence if necessary. The example plasmid on ...fragment having increased intensity to serve as a reference band. The uncut DNA (lane 2) shows 3 possible ...in the gel well and the dyes provide a visual reference point so you can easily assess how far the gel...Eductional Resources: Addgene's Molecular Biology Reference Find More Protocols and Videos      ...
  15. Plasmids 101: Screening Strategies Used in Plasmid Cloning

    Type
    Blog Post
    Published
    Sept. 15, 2020, 1:15 p.m.
    ... a screening strategy as well. In a screen, you aren’t killing off a portion of the cells like in a selection...You’ll want to pick enzymes that will give you different sized bands depending on whether the plasmid contains...using vector-specific primers, look for size differences. You can also use primers where one primer anneals...popular sequencing primers in our Molecular Biology Reference. Sometimes common  primers can't provide all of... Sanger sequencing Read the Molecular Biology Reference ...
  16. Building and Validating Recombinant Antibodies: A Case Study

    Type
    Blog Post
    Published
    April 5, 2022, 1:20 p.m.
    ...commonly used in research laboratories to detect the different subclasses, but there are also secondary antibodies...secondary antibodies to detect multiple targets with different mAbs in the same experiment. The Trimmer Lab found...within the plasmid backbone to generate R-mAbs of different subclasses, including subclasses that were not... useful research materials and information. References and Resources Additional Resources on the Addgene...Addgene's recombinant antibody plasmid collection References Andrews NP, Boeckman JX, Manning CF, Nguyen JT...
  17. Antibodies 101: Buffers, Storage, and Conjugates

    Type
    Blog Post
    Published
    Feb. 1, 2022, 2:15 p.m.
    ...the wrong everything else.      References and Resources References Boston University Flow Core. Fluorochromes...standard curve, another quick experiment, or using a different vial and saving the poor, abandoned antibody for...assays involve multiple antibodies, each with a different signaling molecule, that all need to be detected...   Fig 2: Try to inversely pair fluorophore strength with protein abundance.    Second, you’ll ...
  18. Plasmids 101: Sequence and Ligation Independent Cloning (SLIC)

    Type
    Blog Post
    Published
    Sept. 26, 2024, 1:15 p.m.
    ...far the T4 exonuclease proceeds: at the first occurrence of the chosen nucleotide, T4 will switch to polymerizing...efficiently repair the plasmid. Created with BioRender.com.   SLIC also opened up a new world of multicomponent...bacteria, which repair the plasmid. Created with BioRender.com. How does SLIC compare to other cloning ...method’s flexibility allows it to be used with different types of PCR-generated inserts. By harnessing ...updated by Emily P. Bentley in September 2024.  References and Resources Further reading Harnessing homologous...
  19. Communicating Your Science With Help From ComSciCon

    Type
    Blog Post
    Published
    July 19, 2018, 1:12 p.m.
    ...Sanders of ComSciCon, the Communicating Science Conference series for graduate students. I believe that...giving a public talk, ask a friend who works in a different field to listen to you practice.  Ask them what...organizations. At ComSciCon, our primary mission is to strengthen and support the network of graduate students ...addition to this annual event, graduate students in different regional and disciplinary communities gather at...Learn about careers in science communication The strength of story telling Science communication: 9 strategies...
  20. Why and how to start studying chromatin (with Addgene's help)

    Type
    Blog Post
    Published
    June 12, 2018, 11:40 a.m.
    ...chromosomal domains, or how stretches of DNA on different chromosomes interact with each other. Chromatin...Architecture and Chromosome Organization. These aren’t the only investigators in the chromatin field who... Note that histone genes frequently have many different variant names, not all of which can be listed ...Hutchinson JN, Sara SA, Ensminger AW, Fox AH, Chess A, Lawrence JB Mol Cell. 2009 Mar 27;33(6):717-26. Reporter-nanobody...me at the Keystone Chromatin meeting, especially Karen Reddy (@theReddyLab), Thoru Pederson, Joanna Wysocka...
Showing: 361 - 380 of 848 results