Table 1 Newly identified cotton genes playing a role in VW resistance
Genes | Predominant location | Mechanisms of action | Impact on resistance/susceptibility | References |
|---|---|---|---|---|
GhLAC15 | Cotton roots cell wall | Increase the level of lignin, arabinose, and xylose of the cell wall | Plays a significant role in the resistance of cotton to the defoliating strains Vd991 and Vd-gfp77 | Zhang et al. (2018) |
CERK1 | Stem and roots | Chitin elicitor signaling (Perception of PAMP) | Induce defense responses upon recognition of fungi chitin oligosaccharides | Zhang et al. (2013) |
CRR1 | Cotton roots | Binds to chitinase gene Chi 228 preventing it from degradation by VdSSEP1 | Involved in resistance against V. dahliae and a wide range of pathogenic fungi | Han et al. (2019) |
GbNRX1 | Cotton roots apoplast | Antioxidant, regulates the ROS level in the apoplast | Involved in the apoplastic immune response | Li et al. (2016) |
GbaNA1 | Cell nucleus | Encodes an NB-LRR protein, an R protein involved in resistance to VW | Involved in ROS activation and ethylene signalling pathway | Li et al. (2018a) |