Molecular Advances in Stress Response, Growth, Development, and Breeding of Horticultural Crops

A special issue of Biomolecules (ISSN 2218-273X). This special issue belongs to the section "Biological Factors".

Deadline for manuscript submissions: 31 March 2026 | Viewed by 364

Special Issue Editors


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Guest Editor
College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
Interests: brassica vegetables; Chinese kale; mustard; carotenoids; glucosinolate; antioxidants; nutritional quality; postharvest
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Guest Editor
State Key Laboratory of Tea Plant Germplasm Innovation and Resource Utilization, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
Interests: tea plants; flavonoid; stress physiology; plant hormones; secondary metabolism
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China
Interests: tomato; abiotic stress; silicon; nutritional quality; flavor quality; carbon metabolism

Special Issue Information

Dear Colleagues,

Horticultural crops—fruits, vegetables, ornamental plants, tea crops, edible fungi, and medicinal plants—are vital to human nutrition, health, and quality of life. Yet their extraordinary taxonomic diversity, complex domestication histories, and frequently limited genetic resources have left many species underexplored at the molecular level. Rapid advances in multi-omics, genome editing, single-cell and spatial transcriptomics, and data-driven breeding now offer unprecedented opportunities to decode how horticultural plants sense and respond to stress, control growth and development, and translate this knowledge into improved varieties.

This Special Issue, “Molecular Advances in Stress Response, Growth, Development, and Breeding of Horticultural Crops,” aims to showcase cutting-edge studies that elucidate molecular mechanisms—from genes and regulatory networks to proteins, metabolites, and biomolecular complexes—and bridge discovery and application in yield, resilience, and product quality. We particularly welcome integrative studies that connect laboratory insights with field performance or postharvest traits, as well as contributions that establish resources, methods, and computational frameworks that enable the community to accelerate progress.

We invite original research articles, short communications, reviews, perspectives, and methods that advance molecular understanding and innovation across horticultural species (model and non-model species). Studies leveraging multi-omics integration, robust functional validation, and translational pipelines for breeding and quality improvement will be prioritized.

Prof. Dr. Bo Sun
Prof. Dr. Xin Li
Dr. Jian Lyu
Guest Editors

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Keywords

  • horticultural crops
  • multi-omics integration
  • genome editing
  • molecular plant breeding
  • abiotic and biotic stress
  • quality
  • metabolic pathways
  • plant hormones
  • transcriptional and epigenetic regulation
  • protein interaction networks

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Published Papers (1 paper)

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Research

18 pages, 2437 KB  
Article
Investigation of the Jasmonate ZIM-Domain Family Reveals PavJAZ8 Regulates Fruit Aroma Traits in Sweet Cherry (Prunus avium L.)
by Wei Wang, Tianle Shi, Zhengrong Dai, Xiaoming Zhang, Jing Wang, Chuanbao Wu, Chen Feng, Guohua Yan, Kaichun Zhang, Yuan Yang and Xuwei Duan
Biomolecules 2025, 15(12), 1721; https://doi.org/10.3390/biom15121721 - 11 Dec 2025
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Abstract
Jasmonate ZIM-domain (JAZ) family genes, which belong to TIFY family, are plant-specific transcriptional repressors. As key regulators of the jasmonic acid signaling pathway, JAZ proteins play crucial roles in various aspects of plant biology. However, the identification and functional characterization of JAZ genes [...] Read more.
Jasmonate ZIM-domain (JAZ) family genes, which belong to TIFY family, are plant-specific transcriptional repressors. As key regulators of the jasmonic acid signaling pathway, JAZ proteins play crucial roles in various aspects of plant biology. However, the identification and functional characterization of JAZ genes in sweet cherry (Prunus avium L.) fruit remain unknown. In the present study, we identified nine JAZ members in the sweet cherry genome. We systematically analyzed the gene structures, protein domains, evolutionary relationships, and physicochemical properties of these members and also evaluated their expression levels across different fruit developmental stages, as well as under methyl jasmonate (MeJA) treatment. Among these members, our results revealed a previously uncharacterized JAZ member, PavJAZ8, as a crucial regulator of fruit aroma traits. Specifically, RT-qPCR analysis showed that PavJAZ8 overexpression modulates the expression of genes involved in the biosynthesis of aroma volatiles, such as PavLOX2, PavLOX3, PavHPL1, PavADH1.1, PavADH1.2, and PavADH7, which are involved in the synthesis of aldehydes and alcohols. Consistent with the gene expression data, analysis of volatile metabolites revealed that PavJAZ8 overexpression significantly inhibited the accumulation of several related aldehydes and alcohols, including hexanal, geraniol, and benzyl alcohol. Furthermore, PavJAZ8 expression was highly responsive to phytohormone treatments, such as abscisic acid (ABA) and MeJA. Further analysis showed that PavJAZ8 interacts with PavMYC2, thereby mediating JA signal transduction. Our results highlight PavJAZ8 as a novel regulator of fruit aroma quality, offering a valuable genetic target for sweet cherry improvement. Full article
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