Employing exogenous melatonin applying confers chilling tolerance in tomato fruits by upregulating ZAT2/6/12 giving rise to promoting endogenous polyamines, proline, and nitric oxide accumulation by triggering arginine pathway activity.
In the present study, the mechanisms employed by exogenous melatonin applying for conferring chilling tolerance in tomato fruits during storage at 4 °C for 28 days were investigated. Conferring chilling tolerance in tomato fruits in response to exogenous melatonin applying at 100 µM may arise from upregulating SlZAT2/6/12 giving rise to triggering CBF1 gene expression. Employing higher arginine pathway activity in tomato fruits by exogenous melatonin applying demonstrating by higher endogenous polyamines accumulation arising from higher ornithine decarboxylase (ODC) and arginine decarboxylase (ADC) genes expression and enzymes activity, higher endogenous proline accumulation arising from higher pyroline 5-carboxylate synthetase (P5CS) and ornithine aminotransferase (OAT) genes expression and enzymes activity accompanying by lower proline dehydrogenase (PDH) gene expression and enzyme activity and higher endogenous nitric oxide (NO) accumulation arising from higher nitric oxide synthase (NOS) gene expression and enzyme activity may be responsible for keeping safe membrane integrity.
['Aghdam|Morteza Soleimani|MS|', 'Luo|Zisheng|Z|', 'Jannatizadeh|Abbasali|A|', 'Sheikh-Assadi|Morteza|M|', 'Sharafi|Yavar|Y|', 'Farmani|Boukaga|B|', 'Fard|Javad Rezapour|JR|', 'Razavi|Farhang|F|']
D001120:Arginine D003080:Cold Temperature D061353:Food Storage D005638:Fruit D018551:Lycopersicon esculentum D008550:Melatonin D009569:Nitric Oxide D010940:Plant Proteins D011073:Polyamines D011392:Proline D013997:Time Factors D015854:Up-Regulation
Melatonin Polyamines Arginine pathway Chilling injury Postharvest