Table 1.

Role of enzymatic and non-enzymatic antioxidants for inducing drought and chilling tolerance in transgenic plants.

Gene	Source	Transgenic (host) Plant	Response in transgenic plants	Reference
Cu/Zn SOD	Oryza sativa	Tobacco	Drought stress tolerance	Badawi et al., 2004
Cu/Zn SOD	Avicennia marina	Rice	Drought stress tolerance	Prashanth et al., 2008
CAT	Triticum aestivum	Rice	Chilling stress tolerance	Matsumura et al., 2002
GST+CAT1	Suaeda salsa	Rice	Chilling stress tolerance	Zhao et al., 2006
GR+	Arabidopsis thaliana	Cotton	Chilling stress tolerance	Kornyeyev et al., 2003
GST	–	Rice	Chilling stress tolerance	Takesawa et al., 2002
Mn-SOD	Nicotiana tabacum	Alfalfa	Freezing and drought stress tolerance	McKersie et al. 1993, 1996
Proline P5CS	Vigna aconitifolia	Wheat	Drought stress tolerance	Vendruscolo et al., 2007
Proline P5CS	Arabidopsis thaliana	Petunia	Drought stress tolerance	Yamada et al., 2005
Proline P5CR	Arabidopsis thaliana	Soybean	Drought stress tolerance	Simon-Sarkadi et al., 2006
OsAPXa	–	Rice	Chilling stress tolerance	Sato et al., 2011
Capx	Pisum sativum	Tomato	Drought and chilling stress tolerance	Wang et al., 2005, 2006
APX3	Arabidopsis thaliana	Tobacco	Drought stress tolerance	Yan et al., 2003