Table 1 Proteins identified and accumulated under cold stress or chilling injury in peach fruit
From: Biochemical and molecular changes in peach fruit exposed to cold stress conditions
Protein | Function | Relationship with CI | Reference |
|---|---|---|---|
Cell wall and membrane stabilization | |||
 Polygalacturonase-inhibiting protein | Regulate vacuolar invertase | Increase tolerance to cold stress protecting cell wall degradation | Wei et al. 2023 |
 Dehydrin | Membrane stabilization | Reduce the membrane breakdown disorders | Nilo et al. 2010 |
 Type II SK2 dehydrin | Membrane stabilization | Reduce the membrane breakdown disorders | Giraldo et al. 2012 |
 RAD23 | DNA repair protein | Recovery action against CI damage | Giraldo et al. 2012 |
Plant hormone regulation | |||
 1-aminocyclopropane-1-carboxylate oxidase 1 | Last key enzyme of the ethylene biosynthesis | CI through the membrane breakdown increases the ethylene levels | Nilo et al. 2010 |
Proteins involved in the signalling network | |||
 Calmodulin | Calcium receptor | Stability of cell wall and cold tolerance | Dagar et al. 2010 |
 Profilin, Pru p 4.01 | Allergene | Plant defence strategy | Giraldo et al. 2012 |
 Putative allergen, Pru du 1.06A | Pathogenesis-related protein | Plant defence strategy | Giraldo et al. 2012 |
 Putative allergen, Pru du 1.01 | Pathogenesis-related protein | Plant defence strategy | Yu et al. 2015 |
 Pathogenesis-related like protein 1 | Pathogenesis-related protein | Plant defence and involved in hypersensitive response or systemic acquired resistance | Yu et al. 2015 |
Antioxidant systems and ROS scavenging | |||
 Catalase (CAT) | Detoxification enzyme | Hydrogen peroxide catabolic process | Giraldo et al. 2012 |
 Gluthatione peroxidase | Scavenger activity | Response to ROS accumulation | Giraldo et al. 2012 |
 Putative protein disulfide-isomerase | Alleviate the chilling injury by reducing ROS | Scavenger of radicals in particular hydrogen peroxide | Dagar et al. 2010 |
 Small heat shock protein 1 | Stress response and chaperon function | Prevent protein denaturation | Pavez et al. 2013 |
 Thaumatin-like protein 1 and 2 | Associated to chilling injury | unknown | Dagar et al. 2010 |
 Thioredoxin | Redox homeostasis | Putative antioxidant function in CI damaged fruit | Nilo et al. 2010 |