Plant Nutrition—Molecular Biology and Genetics

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

Deadline for manuscript submissions: 24 February 2026 | Viewed by 132

Special Issue Editors


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Guest Editor
State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Science, China Agricultural University, Beijing 100193, China
Interests: plant nutrition physiology; root development and regulation; plant genetics; high-efficiency crop agronomy technologies
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Guest Editor
Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture and Rural Affairs, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China
Interests: nutrient absorption and utilization; plant stress physiology; root development

Special Issue Information

Dear Colleagues,

We invite you to contribute to the Special Issue titled “Plant Nutrition—Molecular Biology and Genetics”. The study of plant nutrition and its genetic regulation is essential for addressing the global challenges of sustainable agriculture and food security. Plants rely on complex physiological, biochemical, and molecular mechanisms to absorb and allocate vital nutrients such as nitrogen, phosphorus, and potassium, crucial for growth and development. Understanding these processes at the molecular and genetic levels can lead to strategies that optimize nutrient use efficiency, improve crop yields, and reduce environmental impact.

This Special Issue will present pioneering research on plant nutrition, root biology, and their genetic regulation, offering valuable insights to advance sustainable agriculture and food security. We welcome submissions focusing on innovative research in plant molecular biology and genetics, particularly those related to nutrient management, crop improvement, and the development of efficient agricultural technologies.

We invite original research articles, reviews, and theoretical papers that address these topics, fostering collaboration between plant biologists, agronomists, and environmental scientists to develop more resilient, efficient, and sustainable agricultural practice.

We look forward to receiving your contributions.

Prof. Dr. Guohua Mi
Dr. Peng Wang
Guest Editors

Manuscript Submission Information

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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. Biology 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 2700 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 nutrition physiology
  • root development and regulation
  • plant genetics
  • high-efficiency crop agronomy technologies

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Published Papers (1 paper)

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Review

16 pages, 744 KiB  
Review
Enhancing Crop Nitrogen Efficiency: The Role of Mixed Nitrate and Ammonium Supply in Plant Growth and Development
by Zhiqi Yang, Huifeng Yan, Haiwei Liu, Lan Yang, Guohua Mi and Peng Wang
Biology 2025, 14(5), 546; https://doi.org/10.3390/biology14050546 - 14 May 2025
Abstract
Nitrogen fertilizers play a critical role in enhancing crop yields; however, excessive application has resulted in significant environmental challenges, including water contamination and increased greenhouse gas emissions. Therefore, improving nitrogen use efficiency is essential for sustainable agriculture. This review based on a systematic [...] Read more.
Nitrogen fertilizers play a critical role in enhancing crop yields; however, excessive application has resulted in significant environmental challenges, including water contamination and increased greenhouse gas emissions. Therefore, improving nitrogen use efficiency is essential for sustainable agriculture. This review based on a systematic search of Web of Science and CNKI for peer-reviewed studies on maize nitrogen efficiency published between 1945 and 2024 (excluding conference abstracts), this review presents the first multiscale synthesis demonstrating how balanced nitrate–ammonium nutrition coordinates N–C metabolism and phytohormone signaling to boost nitrogen use efficiency and stimulate maize growth, with supporting evidence from other crops. By integrating results from hydroponic and field experiments, the review evaluates the influence of mixed nitrogen sources on nitrogen uptake, root morphology, photosynthesis, carbon metabolism, and hormone signaling. Findings indicate that optimal NO3:NH4+ ratios improve nitrogen absorption through enhanced root development and activation of specific nitrogen transporters. Additionally, mixed nitrogen nutrition increases photosynthetic efficiency, promotes carbon assimilation, reduces energy expenditure, and stimulates auxin-mediated growth. This review shows that balanced nitrate–ammonium co-application synergistically enhances crop nitrogen-use efficiency and yield, provides a theoretical basis for high-efficiency nitrogen-fertilizer development, and helps alleviate environmental pressures, advance sustainable agriculture, and secure food and ecosystem safety. Its efficacy, however, is modulated by soil type, climate, and genotypic variation, necessitating systematic validation and application optimization in future research. Full article
(This article belongs to the Special Issue Plant Nutrition—Molecular Biology and Genetics)
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