Changes in functional nutrients in red-fleshed kiwifruits after forchlorfenuron application leveraging a multi-omics approach

IF 9.8 1区农林科学 Q1 CHEMISTRY, APPLIED

Food Chemistry Pub Date : 2025-07-26 DOI:10.1016/j.foodchem.2025.145669

Shiyu Wang , Yingying Bi , Lijun Han , Chengkui Qiao , Ming Zhuang , Mengyuan Cao

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Abstract

Forchlorfenuron (CPPU), a plant growth regulator used to enhance kiwifruit yield, lacks multi-omics research in red-fleshed kiwifruits. This study analyzed CPPU's regulatory mechanisms on metabolites, nutrients, and gene expression in ‘Zhonghua 50’ during development and maturation. The results indicated that CPPU enhanced fruit size and weight, but this promotion decreased as kiwifruit approached maturity. CPPU promoted mitosis and affected the photosynthetic system and defense responses. CPPU affected multiple metabolic pathways and some key genes encoding enzymes in each pathway. Flavonoids other than anthocyanins down-regulated during fruit development, the changes of HCT-related gene expression possibly be related to fruit expansion. Sugar and organic acid changed insignificantly during the edible period, but the regulation of CPPU on kiwifruit flavor displayed cultivar specificity. The up-regulation of PAL would impact the resistance to biotic stresses. Some amino acids were down-regulated at the edible stage, which may negatively impact the fruit's nutritional value.

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利用多组学方法研究施用氯吡脲后红肉猕猴桃中功能性营养素的变化

用于提高猕猴桃产量的植物生长调节剂氯吡脲（CPPU）缺乏对红肉猕猴桃的多组学研究。本研究分析了CPPU对‘中华50’发育成熟过程中代谢物、营养物质和基因表达的调控机制。结果表明，CPPU增加了猕猴桃果实的大小和重量，但随着猕猴桃接近成熟，这种促进作用逐渐减弱。CPPU促进有丝分裂，影响光合系统和防御反应。CPPU影响多种代谢途径以及每条途径中的一些关键基因编码酶。除花青素外，黄酮类化合物在果实发育过程中下调，hct相关基因表达的变化可能与果实膨胀有关。糖和有机酸在食用期间变化不显著，但CPPU对猕猴桃风味的调节表现出品种特异性。PAL的上调会影响植物对生物胁迫的抗性。一些氨基酸在食用阶段下调，这可能会对水果的营养价值产生负面影响。

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来源期刊

Food Chemistry 工程技术-食品科技

CiteScore

16.30

自引率

10.20%

发文量

3130

审稿时长

122 days

期刊介绍： Food Chemistry publishes original research papers dealing with the advancement of the chemistry and biochemistry of foods or the analytical methods/ approach used. All papers should focus on the novelty of the research carried out.