Advances in Molecular Regulation of Fruit Ripening and Innovations in Postharvest Storage Techniques

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Postharvest Biology, Quality, Safety, and Technology".

Deadline for manuscript submissions: closed (5 June 2026) | Viewed by 1998

Editors


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Guest Editor
Faculty of Agrobiotechnical Sciences Osijek, Josip Juraj Strossmayer University of Osijek, Vladimira Preloga 1, HR-31000 Osijek, Croatia
Interests: oenology; viticulture; horticulture

E-Mail Website
Guest Editor
Faculty of Agrobiotechnical Sciences Osijek, Josip Juraj Strossmayer University of Osijek, Vladimira Preloga 1, HR-31000 Osijek, Croatia
Interests: pomology; micropropagation; fruit growing

E-Mail Website
Guest Editor
Faculty of Agrobiotechnical Sciences Osijek, Josip Juraj Strossmayer University of Osijek, Vladimira Preloga 1, HR-31000 Osijek, Croatia
Interests: chemical sensors and biosensors; molecular docking; heterocyclic compounds

Special Issue Information

Dear Colleagues,

Fruit ripening is a complex developmental process that transforms the fruit into a nutritionally valuable and sensory-attractive organ, suitable for consumption and seed dispersal. During ripening, significant changes occur in color, texture, aroma, and biosynthesis of secondary metabolites, including antioxidants that play a key role in preventing chronic diseases.

Innovations in postharvest technologies—including controlled atmosphere storage, nanomaterials, and non-invasive quality monitoring—offer promising solutions to reduce postharvest losses, which still account for almost a third of global fruit and vegetable production.

The aim of this Special Issue is to present advances in research focused on the molecular mechanisms of fruit ripening and postharvest storage techniques, with an emphasis on preserving fruit quality and improving food safety. We invite authors to share their latest findings and contribute to the development of next-generation fruit crops with improved resilience to climate conditions and postharvest stress.

Dr. Toni Kujundžić
Dr. Dejan Bošnjak
Dr. Maja Karnaš
Guest Editors

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Keywords

  • fruit ripening
  • postharvest
  • inovations
  • molecular regulation
 

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Published Papers (2 papers)

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Research

25 pages, 9663 KB  
Article
Red Light Irradiation Modulates Reactive Oxygen Species Homeostasis and Redox Signaling in Different Parts of Mango Fruit During Postharvest Ripening
by Yewei Tan, Tao Rong, Min Zhang, Rui Wang, Qi Lin, Xinrong Li, Chunmei Feng, Ning Ji, Linliang Wang, Lihua Jiang, Bangdi Liu and Jing Sun
Horticulturae 2026, 12(5), 615; https://doi.org/10.3390/horticulturae12050615 - 15 May 2026
Cited by 1 | Viewed by 847
Abstract
To investigate the differences in reactive oxygen species (ROS) metabolism and signal transduction between the illuminated and non-illuminated surfaces of mangoes exposed to red light, this study used “Tainong No.1” mangoes as the test material, setting up three groups: mango exposed to red [...] Read more.
To investigate the differences in reactive oxygen species (ROS) metabolism and signal transduction between the illuminated and non-illuminated surfaces of mangoes exposed to red light, this study used “Tainong No.1” mangoes as the test material, setting up three groups: mango exposed to red light, mango without red light and mango in darkness. The study measured maturity physiological indicators, ROS content, antioxidant enzyme activity, non-enzymatic substances, and combinations with DIA proteomics analysis. The results showed that red light exposure promoted the overall ripening of mangoes, and there was almost no difference in ripening between mango exposed to red light and mango without red light. Red light mainly induced rapid accumulation of hydrogen peroxide in the peel of the irradiated area and stimulated the synthesis of superoxide anion in the pulp. The antioxidant capacity of both the irradiated and non-irradiated areas was enhanced. Key proteins in the ROS signaling pathways such as Rab11, LRK-RLK, and PIN3 were significantly upregulated. In summary, red light promotes synchronous ripening of mango fruits by coordinately regulating the ROS homeostasis of the tissue, and provides new insights into the use of light signals for regulating fruit metabolism. Full article
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20 pages, 8119 KB  
Article
Genome-Wide Identification of Apple Expansins and Functional Evidence for MdEXPA17 in Postharvest Fruit Ripening
by Miaomiao Wang, Nan Jiang, Jiale Wang, Xiaotong Hu, Qizhe Li, Wanyu Xu, Tuanhui Bai, Jian Jiao, Jiangli Shi, Yu Liu, Ran Wan, Kunxi Zhang, Pengbo Hao, Yujie Zhao, Liu Cong, Yawen Shen and Xianbo Zheng
Horticulturae 2026, 12(2), 130; https://doi.org/10.3390/horticulturae12020130 - 24 Jan 2026
Viewed by 747
Abstract
Expansins are crucial cell wall-loosening proteins that play a vital role in various plant developmental processes, including fruit ripening and softening. However, a comprehensive genome-wide analysis of the expansin family in apple (Malus × domestica) and the specific functions of its [...] Read more.
Expansins are crucial cell wall-loosening proteins that play a vital role in various plant developmental processes, including fruit ripening and softening. However, a comprehensive genome-wide analysis of the expansin family in apple (Malus × domestica) and the specific functions of its members in postharvest fruit ripening remain to be explored. In this study, we identified 51 expansin genes in the apple genome and classified them into four subfamilies (EXPA, EXPB, EXLA, and EXLB). Cis-element analysis of the promoters of apple expansin genes showed that these promoters are rich in various hormone-responsive elements, including abscisic acid (ABA)-responsive elements (ABREs) and ethylene-responsive elements (EREs), suggesting potential hormonal regulation of expansin genes. Expression profiling identified six ripening-associated expansin genes. Among them, MdEXPA5, MdEXPA17, and MdEXPA23 were positively regulated by both ethylene and ABA, while being suppressed by the ethylene action inhibitor 1-MCP. Further functional characterization demonstrated that transient overexpression of MdEXPA17 accelerated fruit softening, skin yellowing, ethylene production, and increased total soluble solid (TSS) content. Conversely, silencing of MdEXPA17 significantly delayed these ripening processes. Our study provides a systematic overview of the apple expansin gene family and supports a role for MdEXPA17 in promoting postharvest fruit ripening and softening. These findings offer valuable insights into the molecular mechanisms of apple fruit ripening and provide potential targets for genetic improvement of fruit quality and shelf life. Full article
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