Chilling tolerance of Micro-Tom fruit involves changes in the primary metabolite levels and in the stress response
- Gonzalez, Carla
- Zanor, María Inés
- Re, Martin Damian
- Otaiza González, Santiago Nicolás
- Asis, Ramón
- Valle, Estela Marta
- Boggio, Silvana Beatriz
DOIAbstract
Prevention of post-harvest fruit losses is important to increase food availability. In the case of tomato, postharvest storage at low temperature and the subsequent handling and distribution of fruit is limited by chilling injury, a physiological disorder that causes failure to normally ripen and increased decay disease. Micro-Tom fruit, a dwarf tomato variety, is relatively tolerant to cold storage (4 °C for 4 weeks). To understand the tolerance mechanism of Micro-Tom fruit at the molecular level, its transcriptome and metabolome were evaluated before, after chilling storage, and shortly after transferring the fruit to ambient temperature to focus on the critical early events accounting chilling tolerance. Changes in gene expression and me...
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