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Multi-omics Approaches in Agricultural Crops to Unravel Responses to Environmental...
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Multi-omics Approaches in Agricultural Crops to Unravel Responses to Environmental Stresses and Advance Sustainable Agriculture

A special issue of Biology (ISSN 2079-7737). This special issue belongs to the section "Plant Science".

Deadline for manuscript submissions: 30 October 2025 | Viewed by 1472

Special Issue Editor

Dr. Vito Butardo

E-Mail Website
Guest Editor
Department of Chemistry and Biotechnology, Faculty of Science, Engineering and Technology, Swinburne University of Technology, Hawthorn, VIC 3122, Australia
Interests: food security; salinity stress; genomics; cereal grain quality and nutrition; plant and microbial biotechnology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The rapidly changing climate and environmental conditions pose significant challenges to global food security and sustainability. Understanding the complex molecular, physiological, and epigenetic mechanisms underlying plant responses to environmental stresses is crucial for developing stress-tolerant, high-yielding, and nutritionally rich crop varieties. Multi-omics approaches in plant biology, including genomics, transcriptomics, proteomics, metabolomics, epigenomics, and phenomics, have emerged as powerful tools for dissecting the intricate networks of genes, proteins, metabolites, and epigenetic modifications involved in plant stress responses. This Special Issue aims to bring together cutting-edge research employing multi-omics approaches, data integration strategies, and systems biology techniques to unravel the functional genomics of crop plants under environmental stress conditions, with a particular focus on the impact on yield, quality, and nutritional properties. We welcome contributions that explore the potential of omics-driven breeding strategies, sustainable agricultural practices, and the role of beneficial microorganisms in developing climate-resilient and stress-tolerant crop varieties, ensuring food security, nutritional quality, and environmental sustainability in the face of global climate change.

Dr. Vito Butardo
Guest Editor

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Keywords

  • plant functional genomics
  • environmental stress
  • climate change
  • crop yield
  • crop quality
  • nutritional properties
  • omics approaches
  • genomics
  • transcriptomics
  • proteomics
  • metabolomics
  • epigenomics
  • phenomics
  • stress-tolerant crops
  • breeding strategies
  • data integration
  • systems biology
  • sustainable agriculture
  • underutilized crops
  • orphan crops
  • beneficial microorganisms

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Published Papers (1 paper)

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Research

22 pages, 3673 KiB  
Article
Molybdenum Can Regulate the Expression of Molybdase Genes, Affect Molybdase Activity and Metabolites, and Promote the Cell Wall Bio-Synthesis of Tobacco Leaves
by Yuan Zhao, Yu Zhang, Kai Zhang, Jiashu Tian, Huanyu Teng, Zicheng Xu, Jiayang Xu, Huifang Shao and Wei Jia
Biology 2025, 14(1), 66; https://doi.org/10.3390/biology14010066 - 14 Jan 2025
Cited by 1 | Viewed by 1001
Abstract
Molybdenum (Mo) is widely used as a micronutrient fertilizer to improve plant growth and soil quality. However, the interactions between cell wall biosynthesis and molybdenum have not been explored sufficiently. This study thoroughly investigated the regulatory effects of different concentrations of Mo on [...] Read more.
Molybdenum (Mo) is widely used as a micronutrient fertilizer to improve plant growth and soil quality. However, the interactions between cell wall biosynthesis and molybdenum have not been explored sufficiently. This study thoroughly investigated the regulatory effects of different concentrations of Mo on tobacco cell wall biosynthesis from physiological and metabolomic aspects. The results indicate that Mo treatment increased the Mo content of tobacco variety K326. Moreover, it significantly up-regulated the gene expression levels of molybdases (NR, AO, SO, XDH) and molybdate transporters in tobacco, whereby the gene expression levels of NR were upregulated by 28.48%, 52.51%, 173.05%, and 246.21%, respectively; and MOT1 and MOT2 were upregulated by 21.49/8.67%, 66.05/30.44%, 93.05/93.26%, and 166.11/114.29%, respectively. Additionally, Mo treatment regulated the synthesis of related enzymes, effectively promoted plant growth, and significantly increased biomass and dry matter accumulation, with the biomass in the leaves increasing significantly by 30.73%, 40.72%, 46.34%, and 12.88%, respectively. The FT-NIR spectroscopy results indicate that after Mo was applied to the soil, the quantity of C-O-C, -COOH, C-H, and N-H functional groups increased. Concurrently, the contents of cellulose, hemicellulose, lignin, protopectin, and soluble pectin in the leaves significantly increased, wherein the content of soluble pectin and hemicellulose increased significantly by 31.01/288.82%, 40.69/343.43%, 69.93/241.73%, and 196.88/223.26%, respectively. Furthermore, the cell walls thickened, increasing the ability of the plant to withstand disturbances. The metabolic network diagrams indicate that Mo regulated galactose metabolism, and arginine and proline acid biosynthesis. The contents of carbohydrates, spermidine, proline, quinic acid, IAA, flavonoids, and other substances were increased, increasing the levels of polysaccharides and pectin within the cell wall, controlling lignin production, and successfully enhancing resistance to abiotic stress. These results offer important perspectives for further investigations into the role of trace elements. Full article
(This article belongs to the Special Issue Multi-omics Approaches in Agricultural Crops to Unravel Responses to Environmental Stresses and Advance Sustainable Agriculture)
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