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	34.2 Days	CHF 1000	Submit
Forests forests	2.4	4.4	2010	16.9 Days	CHF 2600	Submit
Genes genes	2.8	5.2	2010	16.3 Days	CHF 2600	Submit
Horticulturae horticulturae	3.1	3.5	2015	14.8 Days	CHF 2200	Submit
International Journal of Molecular Sciences ijms	4.9	8.1	2000	18.1 Days	CHF 2900	Submit

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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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