Light Quality and Sucrose-Regulated Detached Ripening of Strawberry with Possible Involvement of Abscisic Acid and Auxin Signaling
文献类型: 外文期刊
作者: Jiang, Leiyu 1 ; Chen, Xinpeng 1 ; Gu, Xianjie 2 ; Deng, Meiyi 1 ; Li, Xiaotong 1 ; Zhou, Aiyang 1 ; Suo, Mengyue 1 ; Gao, Weiliang 1 ; Lin, Yuanxiu 1 ; Wang, Yan 1 ; He, Wen 1 ; Li, Mengyao 1 ; Chen, Qing 1 ; Zhang, Yong 1 ; Luo, Ya 1 ; Wang, Xiaorong 1 ; Tang, Haoru 1 ; Zhang, Yunting 1 ;
作者机构: 1.Sichuan Agr Univ, Coll Hort, Chengdu 611130, Peoples R China
2.Mianyang Acad Agr Sci, Mianyang 621000, Peoples R China
3.Sichuan Agr Univ, Inst Pomol & Olericulture, Chengdu 611130, Peoples R China
关键词: detached ripening; strawberry; light quality; sucrose
期刊名称:INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES ( 影响因子:5.6; 五年影响因子:6.2 )
ISSN:
年卷期: 2023 年 24 卷 6 期
页码:
收录情况: SCI
摘要: The regulation of detached ripening is significant for prolonging fruit shelf life. Although light quality and sucrose affecting strawberry fruit ripening have been widely reported, little information is available about how they co-regulate the strawberry detached ripening process. In this study, different light qualities (red light-RL, blue light-BL, and white light-WL) and 100 mM sucrose were applied to regulate the ripening of initial red fruits detached from the plant. The results showed RL-treated samples (RL + H2O, RL + 100 mM sucrose) had brighter and purer skin color with a higher L*, b*, and C* value, and promoted the ascorbic acid. Almost all light treatments significantly decreased TSS/TA (total soluble solid/titratable acid) and soluble sugar/TA ratio, which is exacerbated by the addition of sucrose. Blue or red light in combination with sucrose notably increased total phenolic content and decreased malondialdehyde (MDA) accumulation. In addition, blue or red light combined with sucrose increased abscisic acid (ABA) content and promoted ABA signaling by inducing ABA-INSENSITIVE 4 (ABI4) expression and inhibiting SUCROSE NONFERMENTING1-RELATED PROTEIN KINASE 2.6 (SnRK2.6) expression. The strawberries exposed to blue and red light significantly improved auxin (IAA) content compared to the control (0 d), whereas the addition of sucrose inhibited IAA accumulation. Moreover, sucrose treatment suppressed the AUXIN/INDOLE-3-ACETIC ACID 11 (AUX/IAA11) and AUXIN RESPONSE FACTOR 6 (ARF6) expression under different light qualities. Overall, these results indicated that RL/BL + 100 mM sucrose might promote the detached ripening of strawberries by regulating abscisic acid and auxin signaling.
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