Table 4.
List of selected heat stress- (HS) tolerant transgenic plants
| Crop | Target gene or protein/sources | Promoter | Stress or trait | Reference |
|---|---|---|---|---|
| Maize | OsMYB55/rice | Maize ubiquitin Ubi1 promoter/overexpression | Increased drought and HS tolerance | Casaretto et al. (2016) |
| Maize | ZmNF-YB2/maize | Rice actin 1 constitutive promoter/overexpression | Enhanced drought tolerance and photosynthetic capacity | Nelson et al. (2007) |
| Potato | HSc70 allelic variant/ potato | HSc70 native promoter | Greater tolerance to HS as determined by improved yield | Trapero-Mozos et al. (2018) |
| Rice | HSP70/rice | CaMV 35S | Overexpression manifested enhanced tolerance to HS | Qi et al. (2011) |
| Rice | Athsp101 /Arabidopsis | CaMV 35S promoter | Increased tolerance to high temperature | Katiyar-Agarwal et al. (2003) |
| Rice | OsRab7 | CaMV 35S | Greater tolerance to HS as determined by improved yield | El-Esawi and Alayafi (2019) |
| Rice | TaMBF1c/wheat | Maize ubiquitin 1 | Higher thermotolerance than control plants at both seedling and reproductive stages | Qin et al. (2015) |
| Soybean | P5CR/Arabidopsis | Enhanced HS tolerance | De Ronde et al. (2004) | |
| Tobacco (Nicotiana tabacum L.) | HSP70-1/tobacco | CaMV 35S | Transgenics possessed enhanced tolerance to HT stress | Montero-Barrientos et al. (2008) |
| Tobacco | HSP70-1/brassica | Enhanced tolerance to HT stress | Wang et al. (2016) | |
| Tomato | HSP21/tomato | CaMV 35S | Overexpression protected PSII from temperature-dependent oxidative stress; early accumulation of carotenoids noted | Neta-Sharir et al. (2005) |
| Wheat | Hsf6A /wheat | Barley HVA1s promoter/drought inducible, up-regulated | Improved thermotolerance | Xue et al. (2014) |
| Wheat | EF-Tu/maize | Maize ubiquitin 1 promoter/overexpression | Improved thermotolerance | Fu et al. (2008) |
| Wheat | Sucrose transporter gene HvSUT1/barley | Hordein B1 promoter | Increased enhanced in sucrose transport and shows a superior performance for many yield-related traits compared with control | Weichert et al. (2017) |
| Wheat | TaHsfA6f/wheat | HVA1s | Improved thermotolerance | Xue et al. (2015) |
| Wheat | TaFER-5B/wheat | Maize ubiquitin 1 | Enhance thermotolerance | Zang et al. (2017) |
| Wheat | TaGASR1/wheat | NA | Improved tolerance to HS and oxidative stress | Zhang et al. (2017) |
| Wheat | TaHsfC2a/wheat | NA | Improved thermotolerance | Hu et al. (2018) |