Light Stress in Plants: Insights from Chlorophyll Fluorescence

In my PhD research I examined how plants cope with excess light. Light is essential for photosynthesis, but too much can damage the photosynthetic machinery. I focused on what happens when this damage occurs and how plants protect themselves. Using advanced fluorescence techniques, I tracked changes in how plants deal with light energy. I showed how damaged parts of the photosynthetic system are safely relocated and broken down so plants recover efficiently from too high light intensities. I also studied how plants, specifically mosses, dissipate excess light energy as heat fast to prevent damage. I studied how different molecular players that influence this fast protection. My work helps explain how plants survive fluctuating and high light conditions.