Improvement in Submergence Tolerance of Cherry Through Regulation of Carbohydrate Metabolism and Plant Growth by PsERF and PsCIPK
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Cherry is an important fruit tree with delicious taste and high economic value, which have been planted worldwide. However, this species cannot withstand the presence of excessive amount of water; submergence injury sometimes occurs during cultivation of cherry and results in severe economic losses. By using a submergence-tolerant germplasm Prunus serrulata “Yimeng” and a submergence-sensitive germplasm Prunus pseudocerasus “Aihua” as test materials, this study cloned PsERF and PsCIPK, which are related to submergence tolerance in cherry, and analyzed the expression of PsERF and PsCIPK in submergence-tolerant and submergence-sensitive germplasms under submergence stress; moreover, the consistency and correlation of such expression with carbohydrate metabolism and plant growth-related genes (PsPDC, PsSUS, PsRAMY, and PsEXP) were analyzed. The results showed that PsERF and PsCIPK influence the expression of PsPDC, PsSUS, PsRAMY, and PsEXP at different extents under submergence and during recovery to systematically improve the submergence resistance of P. serrulata “Yimeng”. This study lays the important theoretical and practical foundation for molecular improvement and germplasm innovation in submergence tolerance in cherry through genetic engineering.
KeywordsCherry Submergence tolerance Gene Carbohydrate metabolism Plant growth
APETALA2/Ethylene responsive factor
Hypoxia responsive ERF
Calcineurin B-like–interacting protein kinase
This research was funded by National Natural Science Foundation of China (Grant No. 31301746).
L.X. Sheng and L.G. Feng conceived and designed the experiments. X.Y. Meng and M. Wang performed the experiments. L.X. Sheng and X.Y. Meng analyzed the data and wrote the paper. S. Zang contributed reagents/materials/analysis tools.
Compliance with Ethical Standards
Conflict of Interest
The authors declare that they have no conflict of interest.
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