Germplasm, Genetics and Breeding of Ornamental Plants

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Genetics, Genomics, Breeding, and Biotechnology (G2B2)".

Deadline for manuscript submissions: 23 May 2025 | Viewed by 832

Special Issue Editors


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Guest Editor
Key Laboratory of Tree Breeding of Zhejiang Province, Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou 311400, China
Interests: flavonoids metabolism; flower color; transcription regulation; gene expression and protein interactions
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Guest Editor
College of Landscape Architecture, Zhejiang A&F University, Hangzhou 311300, China
Interests: Magnolia sinostellata; shade stress; gene expression and protein interactions
Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: ornamental plants; flower color; germplasm; breeding
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Special Issue Information

Dear Colleagues,

Ornamental plants have significant ornamental and economic value, and are the foundation of the development of the ornamental horticulture industry. In recent years, the breeding of ornamental plants has been driven by the development of molecular biology, molecular breeding and gene-editing technology. Strengthening the protection and utilization of germplasm resources and promoting breeding and genetics research are essential in the creation of high-quality and high-value ornamental horticultural varieties.

The aim of this Special Issue, entitled “Germplasm, Genetics and Breeding of Ornamental Plants”, is to present innovative studies, approaches, and techniques related to the research of ornamental plants; this includes research on the molecular mechanism implicated in the formation of ornamental traits (flower color, flower shape, floral aroma, leaf color, plant type, etc.), the stress response mechanism in ornamental plants, the formation of a secondary metabolism, plant hormones, breeding techniques, and the development and utilization of germplasm resources, etc. This Special Issue welcomes the submission of innovative research and review articles related to this topic.

Dr. Weixin Liu
Prof. Dr. Yamei Shen
Dr. Leifeng Xu
Guest Editors

Manuscript Submission Information

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Keywords

  • ornamental plants
  • trait formation
  • molecular breeding
  • growth regulators
  • physiological response
  • molecular mechanism

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Published Papers (1 paper)

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Research

20 pages, 9113 KiB  
Article
A C2H2-Type Zinc Finger Protein from Mentha canadensis, McZFP1, Negatively Regulates Epidermal Cell Patterning and Salt Tolerance
by Xiaowei Zheng, Yichuan Xu, Li Li, Xiwu Qi, Xu Yu, Chun Qin, Dongmei Liu, Zequn Chen and Yang Bai
Horticulturae 2024, 10(11), 1139; https://doi.org/10.3390/horticulturae10111139 - 25 Oct 2024
Viewed by 634
Abstract
C2H2-type zinc finger protein (C2H2-ZFP) transcription factors play evident roles in regulating plant growth and development and abiotic stress responses. However, the role of C2H2-ZFP from Mentha canadensis remains uncertain. We identified the multifunctional C2H2-ZFP gene McZFP1 from M. canadensis based on phylogenetic [...] Read more.
C2H2-type zinc finger protein (C2H2-ZFP) transcription factors play evident roles in regulating plant growth and development and abiotic stress responses. However, the role of C2H2-ZFP from Mentha canadensis remains uncertain. We identified the multifunctional C2H2-ZFP gene McZFP1 from M. canadensis based on phylogenetic analysis. The McZFP1 gene was highly expressed in stems, responding to abiotic stress and phytohormone treatments. McZFP1 localized in the nucleus and showed no transcriptional autoactivation activity in yeast. McZFP1 overexpression in Arabidopsis thaliana significantly reduced the number of trichomes and root hairs, root hair length, and salt stress tolerance. Further study revealed that McZFP1 overexpression increased the expression of negative regulator genes and decreased that of positive regulator genes to inhibit plant trichome and root hair development. Malondialdehyde accumulation was promoted, but the proline content and catalase, superoxide dismutase, and peroxidase activities were reduced and the expression of stress response genes was inhibited in McZFP1 overexpression lines under salt treatment, thereby compromising plant salt tolerance. Overall, these results indicate that McZFP1 is a novel C2H2-ZFP transcription factor that plays negative roles in trichome and root hair development and salt stress tolerance. Full article
(This article belongs to the Special Issue Germplasm, Genetics and Breeding of Ornamental Plants)
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