Superoxide Dismutase and Stress Tolerance

OXIDATIVE STRESS . . . . . . . . . . . . . .. . . . . .... . . . . .. . . . . .. . . . ... .. . . . . .... . . .. .. . . . . . ... . 84 RESPONSE OF SOD TO ENVIRONMENTAL STRESS . . . . . . . . . . . . . . . .. . . . .... . . .... . . . . . . 87 Photoinhibition . . . . . . . . . . .. . ... . . .. . . . .. . . . . ..... . . . ... ... ,' ... . ,., . . . . .. . ,'.' . . ,' . . . . ., 87 Paraquat and Other Herbicides . . .. . . .... ..... . . . . ... . . . .. . . . . . . . . . . . . ,.. 91 Atmospheric Pollutants . . .... .... .... . . .... ' 94 Waterlogging and Drought .. . . ... . . . . . . .. . . . . . . . . . . .. . . .. . . . ... , . . 97 The Defense Response to Pathogens . ... . . . . ... .... ...... ,. .... . 98 The Phenomenon of Cross-Tolerance . . . .. . . . . ...... . . . . . . . . . . .... .. . . . . . . . .. .. 101 The Mechanism of SOD Regulation ........ ...... 102 GENETIC ENGINEERING OF SOD IN PLANTS .. ' ...... ' . . . . . . . . . . . . . . . . . . . . . . . .. . . . .... ' 104 Cu/ZnSOD and MnSOD Overexpression . . . . . .. . . . . . . . . . . . .. . . . . . .. . . . . . .... . . . . .. . . ,.... . . 105 Prospects for Stress Tolerance through Genetic Engineering of SOD . . . . ,,, .. . . . . . . . 106