Coordination and regulation of vascular development in roots.

Summary: Plants need a strong plumbing system to move water and nutrients around, and this system is made of special tubes inside their roots. To build these tubes perfectly, plants follow a strict set of instructions so that the right cells grow at the exact right time and place. Recently, scientists have used new tools, like gene editing, to learn exactly how this works in a tiny model plant called Arabidopsis. They discovered that plant hormones, tiny proteins, and genes all talk to each other in a complex network. Together, these elements make sure the plant's roots grow strong and healthy.