Physiological and Molecular Biology of Ornamental Plants—3rd Edition

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Developmental Physiology, Biochemistry, and Molecular Biology".

Deadline for manuscript submissions: 30 September 2026 | Viewed by 735

Special Issue Editors


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Guest Editor
Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China
Interests: physiological; molecular biology; ornamental plant
Special Issues, Collections and Topics in MDPI journals
School of Life Sciences, Guizhou Normal University, Guiyang 550025, China
Interests: horticulture crop germplasm and innovation; genomics; plant gene transcription and regulation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Ornamental plants play an important role in human life and health and are widely used in agriculture, industry, and medicine, with economic implications. They have therefore attracted considerable scientific interest. However, although most flowers have difficulty breeding and maintaining their desirable characteristics, their regulatory mechanisms have not been thoroughly studied. Therefore, the study of the physiology and molecular biology of ornamental plants can not only support the screening of candidate genes and targeted breeding but also help elucidate the regulatory mechanisms of ornamental flowers through classical molecular biology. Against this background, we have decided to launch this Special Issue, titled “Physiological and Molecular Biology of Ornamental Plants—3rd Edition”.

This Special Issue welcomes contributions from researchers studying the physiological and molecular biology of ornamental plants. We encourage the submission of original research articles.

Potential topics include, but are not limited to, the following:

  • Biotechnological or physiological research into ornamental plants;
  • Gene editing of ornamental traits;
  • Molecular regulatory mechanisms of ornamental traits;
  • Biosynthesis of secondary metabolites in ornamental plants;
  • Biotic or abiotic stress-resistant gene function in ornamental plants;
  • Integrative analysis of multiomics.

Prof. Dr. Caiyun Wang
Dr. Tuo Zeng
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

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.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • ornamental traits
  • biotechnology
  • multiomics
  • gene regulatory
  • secondary metabolites
  • gene editing
  • stress tolerance

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Published Papers (1 paper)

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Research

33 pages, 7647 KB  
Article
Genome-Wide Identification and Functional Characterization of LncRNA-mRNA Networks During Petal Opening and Senescence in Osmanthus fragrans
by Jie Yang, Xuan Cai, Xiang Chen, Xiangling Zeng, Zeqing Li, Yuanhang Wu, Hongguo Chen, Yingting Zhang and Jingjing Zou
Horticulturae 2026, 12(3), 365; https://doi.org/10.3390/horticulturae12030365 - 16 Mar 2026
Viewed by 445
Abstract
Osmanthus fragrans, a fragrant plant native to China, is extensively utilized in the food and cosmetics industries. However, its optimal harvest period spans only 2–3 days, restricting industrial utilization. Long non-coding RNAs (lncRNAs) have emerged as key regulators of plant growth, yet [...] Read more.
Osmanthus fragrans, a fragrant plant native to China, is extensively utilized in the food and cosmetics industries. However, its optimal harvest period spans only 2–3 days, restricting industrial utilization. Long non-coding RNAs (lncRNAs) have emerged as key regulators of plant growth, yet their roles in O. fragrans petal opening and senescence remain unexplored. Here, we performed high-throughput sequencing of O. fragrans petals across six developmental stages, generating a valuable transcriptomic resource. We identified 57,860 mRNAs and 2414 lncRNAs, including 6499 differentially expressed mRNAs (DEMs) and 494 differentially expressed lncRNAs (DELs). Co-expression and WGCNA analyses revealed key modules associated with petal opening (Turquoise module) and senescence (Blue module). The Blue module, significantly correlated with the S6 senescence stage, contained hub lncRNAs novel_00098659 and novel_00077227 co-expressed with multiple transcription factors and hormone signaling components, including 10 ERFs, OfEIN3, OfJAZ, and OfMYC2. Transient overexpression of novel_00077227 in tobacco accelerated leaf senescence in a hormone-dependent manner, with significant increases in electrolyte leakage and MDA content, and reductions in chlorophyll content and antioxidant enzyme activities. qRT-PCR analysis confirmed that novel_00077227 alters the expression of tobacco homologs of predicted target genes involved in ethylene, auxin, jasmonate, and ABA signaling pathways. This study provides a valuable transcriptomic resource of senescence-associated lncRNAs in O. fragrans and offers evidence for the potential involvement of a key candidate, novel_00077227, in hormone-associated senescence regulation. These findings provide a foundation for future functional studies and potential applications in extending flower longevity. Full article
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