Effects of salicylic acid and nitric oxide pretreatment on the expression of genes involved in the ethylene signalling pathway and the quality of postharvest mango fruit
文献类型: 外文期刊
作者: Hong, K. 1 ; Gong, D. 1 ; Xu, H. 2 ; Wang, S. 1 ; Jia, Z. 1 ; Chen, J. 3 ; Zhang, L. 1 ;
作者机构: 1.Chinese Acad Trop Agr Sci, South Subtrop Crop Res Inst, Key Lab Postharvest Physiol & Technol Trop Hort P, Zhanjiang, Peoples R China
2.Xinyang Agr Coll, Xinyang, Peoples R China
3.Chinese Acad Trop Agr Sci, Haikou Expt Stn, Hainan, Peoples R China
关键词: ethylene;ripening;mango;salicylic acid;nitric oxide
期刊名称:NEW ZEALAND JOURNAL OF CROP AND HORTICULTURAL SCIENCE ( 影响因子:1.154; 五年影响因子:1.424 )
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收录情况: SCI
摘要: 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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