When stress drives you to kidnap: RACK1A sequesters FSD1 into stress granules during salt stress

Describing plants as sessile organisms may sound like a scientific revelation, but it simply means they have nowhere to go.However, it serves as a fitting reminder of how crucial it is for them to have successful defense mechanisms against environmental threats to ensure their static survival.One of the biggest harms that plants face is salinity stress, which involves complex signaling networks and second messengers, such as reactive oxygen species (ROS), to mitigate it (Zhou et al., 2024).ROS are fantastic signal molecules to wake up the plant's defence, but they can also be harmful to the plant when they accumulate in excess (Wang et al., 2024).This duality requires plants to possess a fine-tuned capacity to keep the homeostasis of ROS molecules.An enhanced capacity to regulate ROS levels is also linked to better tolerance and survival during salt stress.Superoxide dismutases (SODs) are frontline ROS-detoxifying enzymes that keep superoxide radicals (very reactive oxidative molecules) under control by converting them into hydrogen peroxide (Kliebenstein et al., 1998).Iron Superoxide Dismutase 1 (FSD1) plays a critical role in maintaining ROS balance, especially during salt stress (Dvok et al., 2021).Despite its importance, the regulatory mechanism of FSD1 during salt stress is still not fully understood.