Transcriptome analysis reveals the potential mechanism of methyl jasmonate alleviated ripening disorder in mango fruit at low temperature

被引:1
|
作者
Zhu, Lisha [1 ]
Huang, Ting [1 ]
Liu, Jialiang [1 ]
Xu, Xiangbin [1 ,2 ]
Zhang, Zhengke [1 ,2 ]
机构
[1] Hainan Univ, Sch Food Sci & Engn, Haikou 570228, Peoples R China
[2] Hainan Univ, Collaborat Innovat Ctr Nanfan & High Efficiency Tr, Haikou, Peoples R China
关键词
Methyl jasmonate; Mango; Transcriptome analysis; ERF transcription factor; METABOLISM; COLD;
D O I
10.1016/j.foodchem.2024.141093
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
High susceptibility of mangoes to low temperature leads to ripening failure that restricts the marketability of products. This study investigated the effect of methyl jasmonate (MeJA) on ripening disorder and mechanism involved in mangoes during refrigeration. Results showed that 50 mu M MeJA ameliorated ripening disorder, as indicated by accelerated advancement of ripening-related parameters. Transcriptome analysis revealed that 17,414 significantly differentially expressed genes were mainly enriched in ethylene synthesis, cell wall degradation, starch degradation and sugar transport. Moreover, 8 AP2/ERF transcription factors and 12 ripeningrelated genes were characterized via qRT-PCR. Afterwards, through the analysis of transcription factor binding sites and cis-acting elements, a regulatory network of ERFs mediated alleviation of ripening disorder conferred by MeJA was constructed. Finally, the interactions between MiERFs and the promoters of target genes were verified by yeast one-hybrid assay. Our findings provide a theoretical basis for improving cold tolerance via counteracting ripening disorder in mangoes.
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页数:9
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