TABLE 1.
Stress responses of plant fatty acid desaturases involved in C18 unsaturated fatty acid synthesis.
| Gene | Species | Tissue | Stress responsea | References |
| SAD | Persea americana | Fruit | Increased mRNA level under LT (4°C), wounding or fungal invasion | Madi et al., 2003 |
| Solanum commersonii | Leaf | Increased mRNA level after cold acclimation | Vega et al., 2004 | |
| Solanum tuberosum | Leaf | No notable changes in mRNA level after cold acclimation | Vega et al., 2004 | |
| FAD2 | Arabidopsis thaliana | Leaf | No notable changes in mRNA level at LT (6°C) | Okuley et al., 1994 |
| Glycine max | Seed | Decreased protein stability of FAD2-1A at HT (30°C) | Tang et al., 2005 | |
| Petroselinum crispum | Leaf | Increased mRNA level under fungal elicitor | Kirsch et al., 1997a | |
| Portulaca oleracea | Leaf | Increased mRNA level of FAD2-2 under LT (5°C) or wounding | Teixeira et al., 2009 | |
| FAD3 | Arabidopsis thaliana | Leaf | Increased mRNA level at LT (4°C) | Kreps et al., 2002 |
| Triticum aestivum | Root tip | Increased protein synthesis with slightly increased mRNA level at LT (10°C) | Horiguchi et al., 1996 | |
| Brassica napus | / | Increased protein stability without notable changes in mRNA level at LT (10°C) | O’Quin et al., 2010 | |
| Vigna radiata | Hypocotyl | Increased mRNA level under wounding | Yamamoto et al., 1992 | |
| FAD6 | Arabidopsis thaliana | Seedling | Increased mRNA level under salt or osmotic stress (300 mM NaCl or mannitol) | Zhang et al., 2009 |
| Glycine max | Leaf | No notable changes in mRNA level with temperature | Heppard et al., 1996 | |
| Portulaca oleracea | Leaf | Increased mRNA level under wounding but not LT (5°C) | Teixeira et al., 2009 | |
| Olea europaea | Fruit | Decreased mRNA level at HT (35°C); no notable changes under wounding | Hernández et al., 2011 | |
| FAD7 | Arabidopsis thaliana | Leaf | No notable changes in mRNA level at HT (30°C) | Gibson et al., 1994 |
| Leaf, root | Increased mRNA level under wounding | Nishiuchi and Iba, 1998 | ||
| Zea mays | Leaf | Decreased mRNA level at LT (5°C) | Berberich et al., 1998 | |
| Root | Increased mRNA level under salt (400 mM NaCl) | Berberich et al., 1998 | ||
| Petroselinum crispum | Leaf | Increased mRNA level under fungal elicitor | Kirsch et al., 1997b | |
| FAD8 | Arabidopsis thaliana | Leaf | Decreased mRNA level at HT (30°C) | Gibson et al., 1994 |
| Leaf | Decreased protein stability at HT (27°C) | Matsuda et al., 2005 | ||
| Leaf, root | Increased mRNA level under wounding | Nishiuchi and Iba, 1998 | ||
| Zea mays | Leaf | Increased mRNA level at LT (5°C) | Berberich et al., 1998 | |
| Root | Increased mRNA level under salt (400 mM NaCl) | Berberich et al., 1998 |
aLT: low temperature; HT: high temperature.