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Agronomy
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Research on Synergistic Regulation of Plant Growth by Plant Hormones...
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Research on Synergistic Regulation of Plant Growth by Plant Hormones and Nutrients

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Plant-Crop Biology and Biochemistry".

Deadline for manuscript submissions: closed (30 September 2025) | Viewed by 1043

Special Issue Editors

Dr. Alfonso Albacete

E-Mail Website
Guest Editor
Institute for Agri-Food Research and Development of Murcia (IMIDA), Department of Plant Production and Agrotechnology, C/ Mayor s/n, La Alberca, E-30150 Murcia, Spain
Interests: abiotic stress; root-to-shoot signaling; source-sink relationships; plant hormones; adaptive responses of plant metabolome; food security
Special Issues, Collections and Topics in MDPI journals
Dr. Mengmeng Hou

E-Mail Website
Guest Editor Assistant
Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.
Interests: nitrogen; phosphorus; root architecture; auxin; cadmium
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The intricate regulatory mechanisms of plant hormones and nutrients are fundamental to understanding plant growth and development. This topic has a rich history, dating back to early studies on plant physiology, and has seen significant advancements with modern molecular biology and genetic techniques. The aim of this Special Issue is to consolidate cutting-edge research that explores how plant hormones and nutrients interact at molecular, cellular, and physiological levels to influence plant development. We seek to highlight innovative studies that unravel the complex signaling networks and regulatory pathways involved. This Special Issue invites original research articles, reviews, and short communications that delve into the latest discoveries and technological advancements in this field. We particularly welcome papers that provide new insights into hormone–nutrient interactions, their regulatory networks, and their implications for plant resilience and productivity in changing environments.

Dr. Alfonso Albacete
Guest Editor

Dr. Mengmeng Hou
Guest Editor Assistant

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 100 words) can be sent to the Editorial Office for announcement on this website.

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. Agronomy 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 2600 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

  • plant hormone
  • nitrogen
  • phosphorus
  • regulatory mechanisms
  • interaction

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Published Papers (1 paper)

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Research

27 pages, 14478 KB  
Article
rolB Promotes Adventitious Root Development in Pyrus betulaefolia by Modulating Endogenous Hormones and Gene Expression
by Ting Xie, Weimin Wang, Kuozhen Nie, Zijuan He, Jiaojiao He, Yuxing Zhang, Na Liu and Yingli Li
Agronomy 2025, 15(9), 2165; https://doi.org/10.3390/agronomy15092165 - 11 Sep 2025
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Abstract
We investigated the effect of Agrobacterium rhizogenes-mediated transformation mof rolB on adventitious root development and endogenous hormones in ‘duli’ (Pyrus betulaefolia) via transcriptomic analysis of wild-type (WT) and rolB-transformed plants. The formation of root primordia occurred earlier [...] Read more.
We investigated the effect of Agrobacterium rhizogenes-mediated transformation mof rolB on adventitious root development and endogenous hormones in ‘duli’ (Pyrus betulaefolia) via transcriptomic analysis of wild-type (WT) and rolB-transformed plants. The formation of root primordia occurred earlier in transgenic ‘duli’ than in the WT plants. At seven days, 57% of the transgenic seedlings had formed root primordia, whereas root primordia first appeared at seven days in WT ‘duli’. The rooting rate of transgenic ‘duli’ and WT plants was 90% and 77.14%, respectively. rolB significantly promoted the formation of secondary roots. Within 20 days, auxin (IAA), gibberellic acid (GA3), and zeatin riboside (ZR) were higher and abscisic acid (ABA) was lower in transgenic ‘duli’ than in WT plants. Gene Ontology analysis revealed high enrichment in signaling pathways and ADP binding, and Kyoto Encyclopedia of Genes and Genomes pathway analysis indicated that several differentially expressed genes were enriched in flavonoid and carotenoid-related pathways and plant hormone signal transduction. rolB induced changes in the expression patterns of several genes involved in hormone biosynthesis, metabolism, and signal transduction pathways in ‘duli’. Weighted gene co-expression network analysis identified the DEGs associated with endogenous hormone levels and indicated that the central genes of modules most strongly correlated with ABA, ZR, IAA, and GA3 regulate protein synthesis, signaling, and root tissue meristem activity. Protein–protein interaction analysis yielded a co-expression network of physiological and transcriptomic data during rooting and identified key genes at the network core. These findings provide valuable insights into the regulatory mechanisms of rolB and its influence on root development in ‘duli’. Full article
(This article belongs to the Special Issue Research on Synergistic Regulation of Plant Growth by Plant Hormones and Nutrients)
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