Genetic Breeding and Biotechnology of Garden Plants

Topic Information

Dear Colleagues,

The field of genetic breeding and biotechnology of garden plants is a vibrant arena where the techniques such as molecular marker-assisted selection, genomic editing, transgenic technologies, and tissue culture are harnessed to augment the desirable qualities of garden plants. Furthermore, this domain is dedicated to unraveling the intricate mechanisms governing plant growth and development, pinpointing genes that are pivotal to key traits like floral morphology, pigmentation, and plant architecture. The ultimate goal is to refine these attributes through breeding and biotechnology, elevating the esthetic and agronomic values of garden plants. It is with great enthusiasm that we introduce this Topic on "Genetic Breeding and Biotechnology of Garden Plants", designed to be a curated collection of the latest advancements in these domains. This Topic warmly welcomes the latest research results on molecular marker-assisted selection, genomic editing, and biotechnologies of garden plants, with the goal of advancing research in the field of genetic breeding and biotechnology of garden plants, as well as other related fields.

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

• The role of regulation mechanisms in plant growth and development;
• Flower color changes using transgenic technology;
• Floral morphology and development using transgenic technology;
• Gene function analysis using genomic editing;
• Molecular marker-assisted selection in garden plants.

Dr. Bin Dong
Dr. Guirong Qiao
Dr. Shiwei Zhong
Topic Editors

Keywords

Participating Journals

Journal Name	Impact Factor	CiteScore	Launched Year	First Decision (median)	APC
Applied Biosciences applbiosci	-	-	2022	19.1 Days	CHF 1000	Submit
Forests forests	2.4	4.4	2010	16.2 Days	CHF 2600	Submit
Genes genes	2.8	5.2	2010	14.9 Days	CHF 2600	Submit
Horticulturae horticulturae	3.1	3.5	2015	16.9 Days	CHF 2200	Submit
International Journal of Molecular Sciences ijms	4.9	8.1	2000	16.8 Days	CHF 2900	Submit
Plants plants	4.0	6.5	2012	18.9 Days	CHF 2700	Submit

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Published Papers (3 papers)

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All Applied Biosciences Forests Genes Horticulturae IJMS Plants

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Supplementary material:
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13 pages, 5319 KiB  

Open AccessArticle

The Mining for Flowering-Related Genes Based on De Novo Transcriptome Sequencing in the Endangered Plant Phoebe chekiangensis

by Qinglin Sun, Yan Liu, Mingyang Ni, Yandong Song, Qi Yang, Junhong Zhang, Yuting Zhang and Zaikang Tong

Int. J. Mol. Sci. 2025, 26(3), 1000; https://doi.org/10.3390/ijms26031000 - 24 Jan 2025

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Abstract

Phoebe chekiangensis is an indigenous, endangered, and valuable timber and garden tree species in China, which is notable for having a short juvenile phase (early flowering), unique among the Phoebe genus. However, the molecular mechanisms regulating the flowering of P. chekiangensis remain unexplored, [...] Read more.

Phoebe chekiangensis is an indigenous, endangered, and valuable timber and garden tree species in China, which is notable for having a short juvenile phase (early flowering), unique among the Phoebe genus. However, the molecular mechanisms regulating the flowering of P. chekiangensis remain unexplored, primarily due to the lack of transcriptomic or genomic data. In the present study, transcriptome sequencing yielded 53 million RNA reads, resulting in 111,250 unigenes after de novo assembly. Of these, 47,525 unigenes (42.72%) were successfully annotated in the non-redundant (Nr) database. Furthermore, 15,605 unigenes were assigned to Clusters of Orthologous Groups (KOGs), and 36,370 unigenes were classified into Gene Ontology (GO) categories. A total of 16,135 unigenes were mapped to the Kyoto Encyclopedia of Genes and Genomes (KEGG) database, involving 298 pathways. Based on the expression levels, Gibberellin signaling pathway-related genes were the most predominant expression levels. Hormonal analysis showed that gibberellin (GA) levels varied across tissues and flowering stages, as GA20 levels in leaves were low during full bloom, while GA1 and GA5 levels peaked in flowers. Furthermore, several key genes involved in gibberellin biosynthesis, including CPS, GID1, GA20ox, GA3ox, and GA2ox, exhibited stage-specific expression patterns. Certain genes were highly expressed during the initial phases of flowering, while others, like GA3ox and GA2ox, reached peak expression at full bloom. These findings provide valuable insights into the molecular mechanisms underlying flowering in P. chekiangensis, laying the foundation for future breeding efforts. This transcriptome dataset will serve as an important public resource for molecular research on this species, facilitating the discovery of functional genes related to its growth, development, and flowering regulation. Full article

(This article belongs to the Topic Genetic Breeding and Biotechnology of Garden Plants)

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12 pages, 1049 KiB  

Open AccessArticle

An Exploration of Candidate Korean Native Poaceae Plants for Breeding New Varieties as Garden Materials in the New Climate Regime Based on Existing Data

by Sang Heon Kim and Wonwoo Cho

Horticulturae 2024, 10(11), 1158; https://doi.org/10.3390/horticulturae10111158 - 31 Oct 2024

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Abstract

There is an increasing demand for low-maintenance public garden models, and environmental stress on plants due to climate change is growing. As a result, the demand for developing new plant varieties based on native species for use in gardens in response to climate [...] Read more.

There is an increasing demand for low-maintenance public garden models, and environmental stress on plants due to climate change is growing. As a result, the demand for developing new plant varieties based on native species for use in gardens in response to climate change has increased significantly. Many plants in the Poaceae family are applied for various purposes, including food crops, fodder grasses, ornamental plants, and medicinal plants. Additionally, native plants provide economic and ecological benefits, making them advantageous for use in gardens. However, there are some difficulties in Poaceae breeding studies and the utilization of wild native plants for breeding. Model plants can be utilized in breeding studies of Poaceae plant species. In this study, to identify Korean native Poaceae species with the potential for use not only as garden materials but also as model plants for breeding research in response to climate change, candidate species were selected from the Korean Plant Names Index (KPNI). A total of three Korean native plants in the Poaceae family, including Brachypodium sylvaticum, Setaria viridis, and Zoysia japonica, were selected, and their properties and genome information were compared with the existing representative model plants, Arabidopsis thaliana and Brachypodium distachyon. The current research status of B. sylvaticum, S. viridis, and Z. japonica has been summarized, and the genome size and other characteristics of these model plants have been compared and discussed. As a result, both A. thaliana (2n = 2x = 10) and B. distachyon (2n = 2x = 10) are annual C₃ plants, but B. sylvaticum (2n = 2x = 18) is a perennial C₃ plant, and S. viridis (2n = 2x = 18) is an annual C₄ plant. Thus, B. sylvaticum and S. viridis can be utilized as model plants for perennial C₃ plants and annual C₄ plants, respectively. Z. japonica (2n = 4x = 40) is a perennial C₄ plant, but it can be unsuitable as a model plant because it is an allotetraploid. The application of these newly selected candidate plants in breeding research can build a foundation for breeding native Poaceae plants in Korea in the new climate regime. Full article

(This article belongs to the Topic Genetic Breeding and Biotechnology of Garden Plants)

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15 pages, 5418 KiB  

Open AccessArticle

A Plasma Membrane Intrinsic Protein Gene OfPIP2 Involved in Promoting Petal Expansion and Drought Resistance in Osmanthus fragrans

by Xinke Lu, En Kong, Lixiao Shen, Yong Ye, Yiguang Wang, Bin Dong and Shiwei Zhong

Int. J. Mol. Sci. 2024, 25(19), 10716; https://doi.org/10.3390/ijms251910716 - 5 Oct 2024

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Abstract

Osmanthus fragrans, a native to China, is renowned as a highly popular gardening plant. However, this plant faces significant challenges from drought stress, which can adversely affect its flowering. In this study, we found that the plasma membrane-localized gene OfPIP2 exhibited a [...] Read more.

Osmanthus fragrans, a native to China, is renowned as a highly popular gardening plant. However, this plant faces significant challenges from drought stress, which can adversely affect its flowering. In this study, we found that the plasma membrane-localized gene OfPIP2 exhibited a substantial upregulation during the flowering stages and in response to drought stress. GUS staining has illustrated that the OfPIP2 promoter can drive GUS activity under drought conditions. The overexpression of OfPIP2 was found to enhance petal size by modulating epidermal cell dimensions in Petunia and tobacco. Moreover, this overexpression also bolstered drought tolerance, as evidenced by a reduction in stomatal aperture in both species. Furthermore, yeast one-hybrid (Y1H) and dual-luciferase (Dual-LUC) assays have indicated that the transcription factor OfMYB28 directly binds to the OfPIP2 promoter, thereby regulating its expression. Together, we speculated that a module of OfMYB28-OfPIP2 was not only involved in the enhancement of petal size but also conferred the improvement of drought tolerance in O. fragrans. These results contribute valuable insights into the molecular function of the OfPIP2 gene and lay a foundation for molecular breeding strategies in O. fragrans. Full article

(This article belongs to the Topic Genetic Breeding and Biotechnology of Garden Plants)

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