Table 2 Genes involved in drought stress
Category | Gene | Accession number | Gene product | Functional role | References |
|---|---|---|---|---|---|
Transcription factors | OsDREB1F | LOC_Os01g73770 | AP2/EREBP transcription factor | Regulates the ABA-dependent signaling pathway and provides osmotic-stress tolerance | (Wang et al. 2008) |
OsDREB2B | LOC_Os05g27930 | AP2/EREBP transcription factor | Controls drought stress-induced gene expression through ABA-independent pathways | (Chen et al. 2008) | |
OsNAC5 | LOC_Os11g08210 | NAC domain transcription factor | Overexpression significantly thickens roots, improving drought resistance and yield | (Jeong et al. 2013) | |
OsbZIP23 | LOC_Os02g52780 | bZIP transcription factor | Regulates the expression of many stress-related genes under abiotic stress through ABA-dependent regulatory pathways, increasing sensitivity to ABA and enhancing drought tolerance | (Song et al. 2020) | |
SNAC1 | LOC_Os03g60080 | NAC transcription factor | Increases drought tolerance in transgenic plants (may be due to stomata closure and sensitivity to abscisic acid) | (Hu et al. 2006) | |
OsbZIP12 | LOC_Os01g64730 | bZIP transcription factor | Positive regulator of ABA signaling pathway and drought tolerance in rice; may be involved in stress, hormone, and sugar signaling pathways | (Joo et al. 2014) | |
OsLG3 | LOC_Os03g08470 | ERF family transcription factor | Regulates drought tolerance by inducing the elimination of ROS | (Joo et al. 2014) | |
OsMYB48-1 | LOC_Os01g74410.2 | MYB-type transcription factor | Plays a positive role in drought and salinity tolerance by regulating stress-induced ABA synthesis | (Xiong et al. 2014) | |
OsERF71 | LOC_Os06g09390 | Transcription factor in the AP2/ERF family | Promotes drought stress tolerance by increasing expression of genes associated with ABA signaling and proline biosynthesis under stress; recruits factors involved in cell wall modification to enable root morphological adaptations | ||
Others | DRO1 | LOC_Os09g26840 | Auxin response protein | Changes the morphology of the root system, improving the ability of rice to avoid drought conditions | (Uga et al. 2013) |
DsM1 | LOC_Os02g50970 | Mitogen-activated protein kinase kinase kinase | Controls the elimination of ROS by regulating expression of POD genes, thereby regulating drought resistance | (Ning et al. 2010) | |
OsPYL5 | LOC_Os05g12260 | Rice orthologue of the ABA receptor | Enhances drought resistance in transgenic lines (related to enhanced stomata closure) | (Kim et al. 2014) | |
OsGL1-2 | LOC_Os02g08230 | Glossy1-homologous protein | Affects the loss of leaf water by controlling leaf cuticle wax content, strongly affecting drought resistance | (Islam et al. 2009) | |
LP2 | LOC_Os02g40240 | Leucine-rich repeat receptor kinase | Acts as a negative regulator of drought response by regulating ROS metabolism, stomatal density, and stomatal closure | (Wu et al. 2015) | |
OsLEA3-1 | LOC_Os05g46480 | Late embryogenesis abundant protein | Overexpression significantly enhances drought tolerance but does not decrease yield | (Xiao et al. 2007) | |
DST | LOC_Os03g57240 | Zinc finger protein | Regulates expression of ROS-related genes and affects ROS accumulation, regulating the opening of stomata and ultimately affecting drought tolerance | (Cui et al. 2015) | |
OsDT11 | LOC_Os11g10590 | Alba protein | Mediates drought tolerance in rice (may depend on ABA signaling pathway) | (Li et al. 2017) | |
OsSAP1 | LOC_Os09g31200 | Zinc finger protein | Interacts with the transaminase OsAMTR1 and the disease-related protein OsSCP to regulate expression of downstream stress response genes | (Kothari et al. 2016) | |
HYR | LOC_Os03g02650 | Ethylene response factor | Increases rice yield by influencing “morphological-physiological processes” under drought stress conditions | (Ambavaram et al. 2014) | |
OsMADS26 | LOC_Os08g02070 | MADS-Box protein | Acts as an upstream regulator of stress-related genes. It is the regulatory center of rice responses to multiple stresses and negatively regulates drought tolerance | (Khong et al. 2015) | |
OsMSR15 | LOC_Os03g41390 | C2H2 type zinc finger protein | Regulator of plant response to drought stress | (Khong et al. 2015) | |
OsiSAP7 | LOC_Os03g57900 | E3 ubiquitin ligase | Acts as an E3 ubiquitin ligase and functions as a negative regulator for ABA and water deficit stress signals | (Sharma et al. 2015) | |
OsSRO1c | LOC_Os03g12820 | Similar to radical-induced cell death one (SRO) protein | Stimulates stomata closure and H2O2 accumulation through a novel pathway containing SNAC1 and DST | (You et al. 2013) | |
OsNCED2 | LOC_Os12g24800 | 9-cis-epoxycarotenoid dioxygenase | Plays key roles in the ABA synthesis pathway and contributes to aerobic adaptation of upland rice | (Li et al. 2021) | |
OsGUDK | LOC_Os03g08170 | Receptor-like kinase | Mediates drought stress signaling through phosphorylation and activation of OsAP37, resulting in transcriptional activation of stress-regulated genes, imparting tolerance and improving yield under drought stress | (Ramegowda et al. 2014) | |
OsGhd2 | LOC_Os02g49880 | CONSTANS (CO)-like genes | Controls grain number, heading date, and plant height; positively regulates drought stress-triggered early senescence in rice | (Liu et al. 2016a) |