The combination of theoretical modeling and quantitative live imaging revealed that the repressor proteins work cooperatively or anti-cooperatively depending on enhancer architecture.
A method for measuring p300 chromatin occupancy in specific lineages of mouse tissues was used to map endothelial enhancers and to identify previously unrecognized angiogenesis-related sequence motifs.
Identification and characterization of enhancers for eight key arterial genes reveal transcription factors associated with different aspects of endothelial gene expression specificity and provide a tool for a better understanding of arterial differentiation.
Multiple enhancers in physical proximity can reinforce shared transcriptional 'hubs' to preserve their transcriptional output, providing a buffer during environmental stresses and genetic perturbations to preserve phenotypic robustness.
Ana Filipa Domingues, Rashmi Kulkarni ... Cristina Pina
Histone acetyl-transferase Kat2a preserves leukemia stem cells through frequent transcriptional firing of metabolic and regulatory gene promoters and maintenance of a largely invariant self-renewal program.
A simple and effective method facilitates the study of in vivo transcriptional dynamics using transcriptional enhancers and destabilized fluorescent protein, which is suitable for both live imaging and fixed studies.