The theme of conference will highlight the recent advances in all aspects of oxygen metabolism, free radical action and oxidative signalling. In order to arrange the discussion on specific subjects, certain topics have been identified: 1. ROS Production, Signalling and Homeostasis 2. Abiotic and Biotic Stresses 3. Photosynthesis and Photorespiration 4. Plant Metabolism and Respiration 5. ROS in Plant Development 6. Reactive Nitrogen Species The conference welcomes posters and oral presentations. The lectures will be presented by selected keynote and invited speakers who provide the state-of-art overviews of the main topics in focus. The detailed program will be published in a "short” format and the complete Book of Abstracts will be available on the USB flash drive (included in the fee). The official conference language is English. No translation facilities will be provided.