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Neurons are highly polarized cells that critically depend on long‐range, bidirectional transport between the cell body and synapse for their function. This continual and highly coordinated trafficking process, which takes place via the axon, has fascinated researchers since the early 20th century. Ramon y Cajal first proposed the existence of axonal trafficking of biological material after observing...
Deoxyribonucleic acid (DNA) is the molecule that carries genetic information in a cell. The field of DNA nanotechnology aims to use DNA as the basis for making complex nanometerscale structures. While much progress has been made in creating such nano-architectures, the use of these structures within organisms had never been attempted. Our work is focused on using a simple DNA-based pH sensor in worms...
DNA nanomachines are assemblies that rely on molecular inputs that are processed or transduced into measurable outputs. Though DNA nanotechnology has created a gamut of molecular devices, an outstanding challenge has been the demonstration of functionality and relevance of these devices in living systems. The I-switch is a DNA nanodevice that, in response to protons, changes its conformation to produce...
DNA nanostructures are rationally designed, synthetic, nanoscale assemblies obtained from one or more DNA sequences by their self-assembly. Due to the molecularly programmable as well as modular nature of DNA, such designer DNA architectures have great potential for in cellulo and in vivo applications. However, demonstrations of functionality in living systems necessitates a method to assess the in...
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