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The study by Bi and colleagues [5] adds to the emerging picture drawn for eukaryotic cells in which the nuclear periphery offers a functional compartment for genome regulation, unveiling antagonistic chromatin contexts in Arabidopsis. On the one hand, the association of transcriptionally active chromatin with NPCs can promote efficient mRNA surveillance and export [2] while, on the other hand, the anchoring of large heterochromatic domains and Polycomb-repressed silent regions at the nuclear periphery may provide an efficient way to organize or stabilize higher-order chromatin architecture. A potential contribution of H3K27me3-marked domains in tethering long-range euchromatin interactions around the nuclear periphery offers a novel and exciting working hypothesis for further investigations.
Finding materials with sufficiently positioned flat-band potentials is a major bottleneck to photoelectrolysis research, and PECs meeting this criterion either have large band gaps and are therefore inefficient at absorbing sunlight13, 14, or are based on complex and costly multi-junction designs4, 15. Here, we propose the novel use of type-II semiconductor nanostructures at the SEI to limit the flattening of bands under illumination and thus increase the maximum photovoltage that can be generated. 153554b96e
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