phase-separation
Phase separation is a biophysical process in which a homogeneous mixture spontaneously partitions into two or more distinct phases, a phenomenon increasingly recognized in cellular biology through the formation of membraneless organelles called biomolecular condensates. In plant cells, phase separation plays a critical role in organizing gene regulation, stress responses, and signaling pathways by concentrating specific proteins and nucleic acids into dynamic compartments. Understanding how plants exploit phase separation offers new insights into adaptive mechanisms such as drought tolerance, temperature sensing, and developmental control.
open_in_new WikipediaPubMed · 2026-03-26
Scientists discovered a protein in wheat that physically clusters together to coordinate two key growth hormones, helping control how tall the plant grows. This finding could lead to better-engineered wheat varieties with optimized plant height for improved crop yields and resilience.
The protein RNHL1 undergoes phase separation (forms liquid-like droplets) to coordinate ethylene and gibberellin hormone signaling pathways simultaneously
RNHL1 acts as a molecular hub regulating plant height in wheat by integrating two distinct hormonal signals at the same physical location
Disruption or manipulation of RNHL1 phase separation alters wheat plant height, demonstrating its causal role in growth regulation
