Effects of heat treatment on enzyme activity and expression of key genes controlling cell wall remodeling in strawberry fruit
- Langer, Silvia Estefanía
- Oviedo, Natalia Carolina
- Marina, María
- Burgos, Jose Luis
- Martínez, Gustavo A.
- Civello, Pedro Marcos
- Villarreal, Natalia Marina
DOIAbstract
Modification of cell wall polymers composition and structure is one of the main factors contributing to textural changes during strawberry (Fragaria x ananassa, Duch.) fruit ripening and storage. The present study aimed to provide new data to understand the molecular basis underlying the postharvest preservation of strawberry cell wall structure by heat treatment. Ripe fruit (cv. Aroma) were heat-treated in air oven (3 h at 45 °C) and then stored 8 days at 4 °C + 2 days at 20 °C, while maintaining a set of non-treated fruit as controls. The effect of heat stress on the expression pattern of key genes controlling strawberry cell wall metabolism, as well as some enzymatic activities was investigated. The expression of genes proved to be relev...
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