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TypeBlog PostPublishedMarch 31, 2015, 4:08 p.m....and Leaders. I like her use of the term “cycles” instead of levels because it emphasizes the importance ...started and then step back to let others take the reins. They work alone much of the time, depending on ...it is the leader’s job to provide the driving inspiration, to create a productive culture and to correct... by Peter Fuda and Richard Badham Leadership Insights for Engineers, Scientists and Computer Professionals...
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Choosing Your Perfect Empty Backbone
TypeBlog PostPublishedAug. 19, 2014, 3:39 p.m....molecular biology to isolate, multiply, or express the insert they carry in the target cell. These vectors allow...purify it – and you do not have a specific antibody against the protein available – you can always add an epitope...mammalian expression, a multiple cloning site to insert YGOI, a bacterial selection cassette for growth... collection of vectors carrying several fusion proteins. Pick your promoter, selection cassette and visualization... -
Meet the New Addgene Board Members!
TypeBlog PostPublishedApril 28, 2020, 1:14 p.m....of the Ocular Genomics Institute, and an Associate Member at the Broad Institute of Harvard and MIT. ...In 11th grade she heard a talk about Z DNA that inspired her to major in molecular biology in college. ... of Oncology Target Discovery at the Novartis Institutes for Biomedical Research. Drug development was... -
Addgene Receives NIH BRAIN Initiative Grant to Create Open-Access Recombinant Antibody Resource
TypeBlog PostPublishedMay 25, 2021, 2:29 p.m....have recently received a grant from the National Institutes of Health that will address this problem.The ...produce a subset of this collection as ready-to-use-proteins to facilitate use. Dr. Trimmer’s lab will ensure... represent the official views of the National Institutes of Health. References and Resources References...10.1038/520295b Bradbury ARM, Trinklein ND, Thie H, Wilkinson IC, Tandon AK, Anderson S, Bladen CL, Jones B,... -
Summer SciComm Series: Master of SciComm
TypeBlog PostPublishedJuly 21, 2022, 1:15 p.m....communication graduates are often well-equipped. Many institutions are sincerely interested in connecting with ...the experimental aspect of my thesis: a survey instrument designed to measure how individuals respond to...science. Understanding just how the public utilizes insights gleaned from scientific research is, after all... this power and the tools to deploy its wisdom remains a challenge. Departments like ours reflect a growing... -
Antibodies 101: Epitope Tags
TypeBlog PostPublishedMay 11, 2023, 1:15 p.m....locus or more commonly via cloning of recombinant proteins. Why use a tag? If you are fortunate enough to...may not need to read this - but for many other proteins, quality antibodies do not exist, or they don’...benefits – as discussed above – but there are a few instances when they should be used with caution or not at...protein may disrupt the biological function of some proteins. Protein folding issues, steric hindrances, and... -
Plasmid Cloning by PCR
TypeBlog PostPublishedMarch 29, 2016, 2:30 p.m.... use similar processes to add overhangs to your insert of interest for Gibson assembly. The steps following...to choose enzymes that: Do not cut within your insert Are in the desired location in your recipient...our cDNA into the recipient plasmid. Remember to insert your DNA in the correct orientation in the recipient...cloning Run the PCR reaction Run PCR to amplify your insert DNA. It is important to use a high fidelity polymerase... -
Rewiring Metabolic Circuitry with CRISPR RNA Scaffolds [Video]
TypeBlog PostPublishedApril 7, 2015, 4:21 p.m....secondary structure that can bind specific proteins via aptamer domains. Combined with dCas9, this new scaffold... sites. With hundreds of characterized aptamer domains available, an unprecedented level of flexible tunability... Designing and using RNA scaffolds to assemble proteins in vivo. Nature protocols. 7(10) 1797-1807 (2012... -
Interview: Ed Boyden on Optogenetics, Neuroscience, and the Future of Neuroengineering
TypeBlog PostPublishedMarch 4, 2014, 4:49 p.m....As MIT's Ed Boyden explains it, his goal is "to understand the brain at a level of abstraction that enables...opsin from algae that is sensitive to red light instead of blue, which will allow researchers to independently...cells within them work together or perhaps compete against each other. Getting two-color stimulation has been...maybe we could treat patients suffering from Parkinson's, chronic pain, deafness, or other conditions.... -
"Build Your Plasmid": The Game - Play to Teach
TypeBlog PostPublishedJuly 17, 2018, 12:23 p.m.... hands-on, it will be “brains-on”! I know that even lectures should be “brains-on”, but as much as I try...received a whole set of cards (Promoters, Inserts, Tags, Origins of Replication, Resistance gene and Selection... -
DAP arrays for multiplex gene editing
TypeBlog PostPublishedJuly 7, 2022, 1:15 p.m....organisms. However, lengthy genetic payloads and insufficient transcription on the array have limited the ...editing. How do you then set up an MBE system that contains a double-win for both efficiency and multiplexity...lentivirus, demonstrating simultaneous editing of genes against multiple genetic diseases, such as muscular dystrophies...CRISPR-based gene editors, for correcting mutations or installing functional genes to study and potentially treat... -
Plasmids 101: Mammalian Vectors
TypeBlog PostPublishedMarch 25, 2014, 3:15 p.m....and are not used for general plasmid selection. Instead, reporter genes are often employed to easily monitor...of picking up positive traits (i.e. the plasmid contains a cassette that will make cells resistant to a...picking up of a negative trait (i.e. the plasmid contains a cassette that will make cells sensitive to a... should not be used for mammalian expression – instead use G418. This can be confusing since the neo/kan... -
Cancer, Inflammation and Immunity - Harnessing the Body’s Defenses to Fight Cancer
TypeBlog PostPublishedJuly 6, 2017, 1:59 p.m....immune system to fight progressing cancers. It was inspiring to participate in the 2017 Cell Symposium on Cancer...presentation by Professor Guido Kroemer from the Institut Gustave Roussy. Professor Kroemer discussed the...Professor Caetano Reis e Sousa from the Francis Crick Institute concluded “Aspirin promotes autophagy, inhibits...session I got a chance to talk with Dr. Friedmann-Morvinski about tools used to analyse the tumor microenvironment... -
Improved Plasmid Maps Powered by SnapGene
TypeBlog PostPublishedJune 29, 2017, 1:06 p.m....resistance genes, selectable markers, promoters, origins, tags, and certain ORFs. Their sophisticated detection...only a few nucleotides, such as the fluorescent proteins EGFP and mEGFP. Many of these features, such as...Map” and “Sequence” tabs. Primers This tab contains a table listing commonly used primers detected...Additionally, align a custom nucleotide sequence against a given sequence using BLAST2. See this blog post... -
Flow Cytometry Readouts: Yes, No, and Everything in Between
TypeBlog PostPublishedAug. 20, 2024, 1:15 p.m....looking to study the level of protein expression, instead of its presence or absence, the plots can look ...These smears tend to occur when you are looking at proteins that are expressed regularly in cells and might...Created with biorender.com. In such cases, instead of trying to quantify based on percentage positive...with normal gates, just based on a histogram plot instead of a dot plot. However, the histogram plots look... -
CRISPR 101: Non-Homologous End Joining
TypeBlog PostPublishedApril 16, 2015, 3:45 p.m....) if NHEJ joins the distal ends together. Similarly, it may be possible to direct insertion of an exogenous...of breaks) by NHEJ-dependent repair (“pop-in” insertion) provided a template containing compatible overhangs...Renouf B, Renaud J-B, Sallmyr A, Ruis B, Oh S, Tomkinson AE, Hendrickson EA, Giovannangeli C, Jasin M, ... -
Advice for Starting a Biotech Company from a Grad Student turned Entrepreneur
TypeBlog PostPublishedJuly 10, 2014, 7:17 p.m....healthcare settings, etc. What project in the Collins lab inspired Sample6? The initial work focused on using..., and the team that packages its pitch the best, wins. He explained that entrepreneurs must clearly communicate...failure at all stages in the startup". To gain insight into "the random-walk" of a budding startup, I ... -
It’s Bioelectric! An Exciting Interdisciplinary Field of Research
TypeBlog PostPublishedOct. 29, 2019, 2:52 p.m.... the imbalance of electrical charge between the inside and the outside of the cell. This imbalance is ... Examples of some genes encoding gap junction proteins cx43 GJB1 GJB2 Bioelectric states can alter ... even between many cells (through gap junction proteins which connect the cytoplasm of two cells) can ...controlled by the opening and closing of ion channel proteins, they are not always easy to track at the transcriptional... -
Stabilized Bacterial Promoters: Constant Gene Expression at any Copy Number
TypeBlog PostPublishedSept. 4, 2018, 12:53 p.m....3-100 per cell, a stabilized promoter buffered against the effects of copy number on reporter gene expression...promoters drove maximal gene expression near genomic origins of replication, the stabilized promoters created...deoxychromoviridans requires three genes whose proteins are needed sequentially. When Segall-Shapiro et...optimization of gene dosage in E. coli using DIAL strains." Journal of biological engineering 5.1 (2011):... -
Antibodies 101: Conjugation
TypeBlog PostPublishedMarch 26, 2024, 1:15 p.m....make sure that they’ll be compatible with your instruments, each other, and your target. I love FPbase’s...reaction, can be detected using specialized imaging instruments or X-ray film and lends itself well to assays...mechanisms. Most take advantage of chemical groups intrinsically present on antibodies, such as the primary amine...that make up the disulfide bonds between antibody chains. 3) Endogenous carbohydrates added to antibodies...