We narrowed to 848 results for: STI;
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TypeBlog PostPublishedOct. 9, 2014, 3 p.m....spectra differ sufficiently for them to be imaged in distinct fluorescent channels on the microscope. With the... to choose fluorescent proteins that can be distinguished from one another and that can be imaged with...
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Advice for Scientists Starting a Lab
TypeBlog PostPublishedApril 29, 2014, 1:43 p.m....available from your institution, your department, and online. The Howard Hughes Medical Institute (HHMI) offers... -
Fluorescent Proteins 101: Luciferases
TypeBlog PostPublishedJuly 22, 2025, 1:15 p.m....gold standard in gene expression analysis to investigate the effect of regulatory elements — such as promoters...interaction occurs, the luciferase emits its characteristic light. However, if a protein interaction brings... -
Viral Vectors 101: Gamma-Retroviral Packaging Systems
TypeBlog PostPublishedAug. 6, 2024, 1:15 p.m....prototypical gamma-retrovirus. Frequently asked questions about γ-retroviral vectors How do engineered γ-retroviruses...post‐transcriptional regulatory element; sequence that stimulates the expression of transgenes via increased nuclear... -
Antibodies 101: Flow Cytometry Controls
TypeBlog PostPublishedJune 6, 2024, 1:50 p.m....application. These controls will allow you to distinguish real results from background noise or nonspecific...positive and negative cells. This can be achieved by adjusting your voltage using your single color controls ... -
Viral Vectors 101: Viral Vector Elements
TypeBlog PostPublishedJuly 25, 2023, 1 p.m....making virus’ or what gag and pol stand for, we demystify all components of viral vectors here! Need Virus...into the host genome (more on this below), it’s still used to deliver gene expression constructs. Sandwiched... -
GCE4All: Making Genetic Code Expansion Accessible
TypeBlog PostPublishedJune 15, 2023, 1:15 p.m....producing the proteins – are not, and many of the existing GCE tools are not very robust. When using GCE,...work. Plus, keep an eye on our blog – we’ll be posting more posts on the various protocols and helping... -
Viral Vectors 101: Viruses as Biological Tools
TypeBlog PostPublishedMarch 21, 2023, 1:15 p.m....Image courtesy of National Human Genome Research Institute. Its genome, however, isn’t enough to ensure...their low immunogenicity, which means they do not stimulate a strong immune response when introduced into ... -
Building and Validating Recombinant Antibodies: A Case Study
TypeBlog PostPublishedApril 5, 2022, 1:20 p.m....each from a constitutively active CMV promoter. Constructs were then verified by both diagnostic restriction... -
Hot Plasmids - February 2022
TypeBlog PostPublishedFeb. 22, 2022, 2:15 p.m....the Genetic Pertubation Platform at the Broad Institute have expanded the genetic screening toolkit by...separately. The proteins, which are purified via histidine tags, are optimized for SDS-PAGE gels and can ... -
Antibodies 101: Isotypes
TypeBlog PostPublishedOct. 19, 2021, 1:15 p.m....isotype? An isotype determines several key characteristics of an antibody as well as the role it plays... regions result in several unique physical characteristics of these five isotypes, such as the number ... -
Antibodies 101: Monoclonal Antibodies
TypeBlog PostPublishedJune 29, 2021, 1:15 p.m....Monoclonal Versus Polyclonal Antibodies: Distinguishing Characteristics, Applications, and Information Resources... -
Plasmids 101: Screening Strategies Used in Plasmid Cloning
TypeBlog PostPublishedSept. 15, 2020, 1:15 p.m....to identify cells that took up the vector and distinguish between plasmids that contain the gRNA (white...Walkowski. Restriction digest Another way to distinguish between colonies containing plasmids with inserts... -
Fluorescent CRISPR Reporters: SRIRACCHA and GEmCherry2
TypeBlog PostPublishedMay 26, 2020, 1:15 p.m...., integrated reporter for assaying CRISPR/Cas-stimulated HDR activity) The Madison lab created SRIRACCHA...integrated surrogate reporter for assaying CRISPR/Cas9-stimulated homology-directed repair. Journal of Biological... -
Expanding the Targeting Scope and Editing Efficiency of Adenine Base Editors
TypeBlog PostPublishedMarch 17, 2020, 1:32 p.m....certain sites, or make only a subset of base substitutions. The need for speed: base editing before Cas...compared to the original TadA-7.10 enzyme. After testing numerous TadA variants, they identified TadA-8e... -
Developing a cold tolerant E. coli using specialized chaperones
TypeBlog PostPublishedJan. 28, 2020, 2:35 p.m.... from their native conditions of ~0°C, which drastically affects their stable folding and efficient functioning...beyond! Keeping in spirit with iGEM’s emphasis on holistic, community-centric science, our team has continuously... -
Early Career Researcher Toolbox: Social Media for Scientists
TypeBlog PostPublishedDec. 11, 2018, 12:46 p.m....advice for using Twitter, this post provides suggestions for using LinkedIn and Facebook. For each of ...the three social media platforms, there’s some statistics on what percent of scientists and engineers regularly... -
Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering
TypeBlog PostPublishedMay 3, 2018, 1:48 p.m...., but they do include HEPN nuclease domains characteristic of the Cas13 superfamily. Yan et al. proceeded...mRNAs and two nuclear long non-coding RNAs. One interesting twist to Cas13d enzymes is their cleavage pattern... -
Plasmids 101: Inducible Promoters
TypeBlog PostPublishedJan. 18, 2018, 2:34 p.m....promoters, are always active and thus referred to as constitutive promoters. Others are only active under specific...complexed with cAMP activator protein (CAP) can also stimulate AraC binding to I1 and I2 sites. Supplementing... -
Multiplex Genome Editing with CRISPR-Cpf1
TypeBlog PostPublishedMay 9, 2017, 2:12 p.m.... a jigsaw puzzle, the oligos were designed with sticky ends that only anneal together in one direction...plasmids available from Addgene. If you have any questions or thoughts about Cpf1 multiplexing, leave them...