Table 3.
Examples of abiotic stress tolerant transgenic crop plants and trees under field trials for risk assessment studies.
| Abiotic stress tolerance | Transgene | Host | Target crop plants/Trees | Implementing organization | Reference |
|---|---|---|---|---|---|
| Drought | CspB | B. subtilis | Z. mays | Monsanto | APHIS, 2011 |
| Drought |
OsDREB1A, ZmDof1 |
O. sativa, Z. mays |
S. officinarum | BSES Limited, Aus |
Office of the Gene Technology Regulator [OGTR], 2009 |
| Drought |
TaDREB2/ TaDREB AtAVP1 |
T. aestivum, A. thaliana |
T. aestivum, H. vulgare |
University of Adelaide |
Office of the Gene Technology Regulator [OGTR], 2010, 2012a |
| Drought | CCI | – | T. aestivum | VDPI | Office of the Gene Technology Regulator [OGTR], 2008a, 2013 |
| Drought | Asr1, PEPC |
Z. mays, Sorghum |
Z. mays | Biogemma | SBC-Schenkelaars Biotechnology Consultancy (2007) |
| Salt |
Ornithine aminotransferase |
– | T. aestivum | Grain Biotech Aus |
Office of the Gene Technology Regulator [OGTR], 2005 |
| Salt | codA | A. globiformis | E. camaldulensis | Tsukuba University |
Japan Biosafety Clearing-House [J-BCH], 2005; Kikuchi et al., 2009 |
| Salt | codA | A. globiformis | E. globulus | Tsukuba University |
Yu et al., 2013a,b |
| WUE/NUE | AtMYB2, Zmdof1 |
A. thaliana, Z. mays |
S. officinarum | BSES Limited, Aus |
Office of the Gene Technology Regulator [OGTR], 2007 |
| WUE | CCI | – | G. hirsutum | Monsanto | Office of the Gene Technology Regulator [OGTR], 2008b |
| Water logging tolerance |
Adh, Pdc |
G. hirsutum, A. thaliana |
G. hirsutum | CSIRO Aus | Office of the Gene Technology Regulator [OGTR], 2008c |
| Cold | CBF2 | – | Eucalyptus | ArborGen | APHIS, 2012, 2009a,b |
ARC, Agriculture Research Council; BSES, Bureau of Sugar Experiment Stations; Aus, Australia; CCI, confidential commercial information; CSIRO, Commonwealth Scientific and Industrial Research Organization; WUE, water use-efficiency; NUE, nitrogen use-efficiency; VDPI, Victorian Department of Primary Industries; Asr1, abscisic acid stress ripening; PEPC, phosphoenolpyruvate carboxylase (Modified from Khan, 2011a).