Biotic and Abiotic Stress Responses of Horticultural Plants: 2nd Edition

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Biotic and Abiotic Stress".

Deadline for manuscript submissions: 15 June 2026 | Viewed by 452

Special Issue Editors


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Guest Editor
College of Agriculture, Guangxi University, 100 East University Road, Xixiangtang District, Nanning 530004, China
Interests: molecular biology of vegetable quality regulation and stress response
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China
Interests: stress physiology of vegetables and regulation of fruit quality
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Following the tremendous success of the first edition of the Special Issue “Biotic and Abiotic Stress Responses of Horticultural Plants” (https://www.mdpi.com/journal/horticulturae/special_issues/B0K917NYDS), we are eager to further advance research in this area.

Plants are continuously affected by a wide range of biotic and abiotic stresses. Biotic and abiotic stress, such as increased periods of water shortage, the presence of heavy metals, higher temperatures, salinity, nutrient availability, increased CO2 concentrations, and diseases caused by fungi, bacteria, nematodes, and herbivores, can affect the growth and development of most horticultural plants. Currently, many investigations have highlighted the positive aspects of gas signal molecules as well as plant hormones, such as hydrogen gas, hydrogen sulfide, auxins, gibberellins, abscisic acid, cytokinins, ethylene, salicylic acid, and jasmonic acid, under biotic and abiotic stresses. The advent of genomic studies and gene discovery has also presented an excellent opportunity to improve the stress tolerance of horticultural plants. This Special Issue will consider the biotic and abiotic stress responses of horticultural plants. Under stress, horticultural plants generate some appropriate regulatory mechanisms, including gas signal molecules, plant hormones, genomics, metabolomics, etc., which are welcome submission topics.

Dr. Changxia Li
Dr. Yue Wu
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Horticulturae is an international peer-reviewed open access monthly journal published by MDPI.

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Keywords

  • plant hormones
  • gas signal molecules
  • plant growth and development

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Published Papers (1 paper)

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Research

16 pages, 7364 KB  
Article
The Role of H3K27me3 in Eggplant’s Early Defense Against Frankliniella occidentalis
by Yueqin Zheng, Lanyan Huang, Houjun Tian, Qianxia Liu and Hui Wei
Horticulturae 2025, 11(10), 1269; https://doi.org/10.3390/horticulturae11101269 - 21 Oct 2025
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Abstract
Epigenetic modifications are emerging as key regulators of plant stress responses. However, their role in eggplant (Solanum melongena)–western flower thrips (WFTs; Frankliniella occidentalis) interactions remains elusive. WFTs cause substantial economic losses in eggplant cultivation worldwide. Understanding the molecular mechanisms underlying [...] Read more.
Epigenetic modifications are emerging as key regulators of plant stress responses. However, their role in eggplant (Solanum melongena)–western flower thrips (WFTs; Frankliniella occidentalis) interactions remains elusive. WFTs cause substantial economic losses in eggplant cultivation worldwide. Understanding the molecular mechanisms underlying eggplants’ defense is critical for developing resistant varieties. We investigated the function of histone H3 lysine 27 trimethylation (H3K27me3) in modulating the early transcriptional reprogramming of eggplants during WFT infestation. We performed ChIP-seq and RNA-seq on eggplant leaves at an early stage of WFT infestation to elucidate the epigenetic landscape and associated gene expression alterations. ChIP-seq analysis showed that genome-wide enrichment of H3K27me3 was mainly at the transcription start sites, with a notable decrease in WFT-infested plants. Concurrently, RNA-seq analysis identified 2822 genes that were upregulated following WFT infestation. Many of these genes associated with abscisic acid, jasmonic acid, and salicylic acid pathways were upregulated, underscoring their central role in early plant defense. Integrated analysis revealed six genes with decreased H3K27me3 levels and concurrent upregulation, potentially involved in ABA and JA signaling. Thus, removal of the repressive H3K27me3 mark may facilitate the transcriptional activation of early defense genes in eggplants that are crucial in their response to insect herbivory. Full article
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