Molecular Insights into Freezing Stress in Peach Based on Multi-Omics and Biotechnology: An Overview
2022
Pandiyan Muthuramalingam | Hyunsuk Shin | Sivakumar Adarshan | Rajendran Jeyasri | Arumugam Priya | Jen-Tsung Chen | Manikandan Ramesh
In nature or field conditions, plants are frequently exposed to diverse environmental stressors. Among abiotic stresses, the low temperature of freezing conditions is a critical factor that influences plants, including horticultural crops, decreasing their growth, development, and eventually quality and productivity. Fortunately, plants have developed a mechanism to improve the tolerance to freezing during exposure to a range of low temperatures. In this present review, current findings on freezing stress physiology and genetics in peach (<i>Prunus persica)</i> were refined with an emphasis on adaptive mechanisms for cold acclimation, deacclimation, and reacclimation. In addition, advancements using multi-omics and genetic engineering approaches unravel the molecular physiological mechanisms, including hormonal regulations and their general perceptions of freezing tolerance in peach were comprehensively described. This review might pave the way for future research to the horticulturalists and research scientists to overcome the challenges of freezing temperature and improvement of crop management in these conditions.
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