期刊
NEW ZEALAND JOURNAL OF CROP AND HORTICULTURAL SCIENCE
卷 42, 期 3, 页码 205-216出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/01140671.2014.892012
关键词
ethylene; ripening; mango; salicylic acid; nitric oxide
资金
- Chinese Special Fund of Basic Scientific Research Projects for State Level and Public Welfare-Scientific Research Institutes [1251022011003, 1630062013018]
- Hainan Province Science Foundation [310100]
To better understand the role of nitric oxide (NO) in mango fruit ripening, fruit that was pretreated with salicylic acid (SA) and NO was stored at 25 degrees C for 11 days. Fruit firmness, ethylene production, total soluble solids (TSS), titratable acidity (TA) and vitamin C content were monitored. The expression of six genes involved in ethylene biosynthesis and signalling, namely, MiACO, MiACS, MiETR1, MiERS1, MiEIN2 and MiERF, was investigated using real-time qPCR. The results showed that the treatment caused significant inhibition of the firmness decrease and ethylene output, maintained relatively high levels of TSS and vitamin C, and delayed the decrease in the TA. Furthermore, MiACO and MiERS1 were significantly downregulated, whereas MiETR1 and MiEIN2 were upregulated, and MiACS and MiERF exhibited fluctuating expression patterns. The findings of the study suggested that MiACO, MiACS, MiETR1, MiERS1, MiEIN2 and MiERF might participate in the SA and NO signal induction pathways during ripening.
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