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Molecular Mechanism of Plant Mineral Nutrient
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Molecular Mechanism of Plant Mineral Nutrient

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Nutrition".

Deadline for manuscript submissions: 20 January 2025 | Viewed by 2181

Special Issue Editors

Dr. Cankui Zhang

E-Mail Website
Guest Editor
Department of Agronomy, Center for Plant Biology, Purdue University, 915 West State St., West Lafayette, IN 47907, USA
Interests: mineral nutrition; long-distance signaling; yield improvement; biotechnology
Special Issues, Collections and Topics in MDPI journals
Dr. Jing Huang

E-Mail Website
Guest Editor
Department of Agronomy, Center for Plant Biology, Purdue University, 915 West State St., West Lafayette, IN 47907, USA
Interests: yield improvement; long-distance signaling; mineral deficiency; phloem biology
Special Issues, Collections and Topics in MDPI journals
Dr. Chao Xia

E-Mail Website
Guest Editor
Maize Research Institute, Sichuan Agricultural University, Chengdu 611130, China
Interests: maize yield improvement; phloem signaling; nitrogen
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Plant mineral nutrition plays an important role in the health of plants and humans. Over the past few decades, the study of plant mineral nutrition has transformed from a predominantly applied field to a fundamental dissection of molecular mechanisms. This Special Issue will delve into the cutting-edge research and revelations that unveil the intricate molecular mechanisms of nutrient sensing, uptake, transport, and homeostasis in plants. It unravels the complex system of ion transporters and the regulatory networks orchestrating nutrient-responsive gene expression, spanning local and systemic signaling levels. Our collection of articles offers a comprehensive overview of this crucial aspect of plant biology. These insights have significant implications for sustainable agriculture, global food security, and our comprehension of how plants adapt to diverse environments. The knowledge generated can pave the way for strategies to develop crops with improved mineral use efficiency, thus mitigating fertilizer pollution of underground water systems through runoff. Join us in exploring the frontier of plant mineral nutrition for a greener, more nourished world.

Dr. Cankui Zhang
Dr. Jing Huang
Dr. Chao Xia
Guest Editors

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. Plants is an international peer-reviewed open access semimonthly 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

  • mineral nutrition
  • sensing
  • uptake
  • transport
  • homeostasis
  • molecular mechanism

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Published Papers (2 papers)

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14 pages, 2786 KiB  
Article
Dissecting the Roles of Phosphorus Use Efficiency, Organic Acid Anions, and Aluminum-Responsive Genes under Aluminum Toxicity and Phosphorus Deficiency in Ryegrass Plants
by Leyla Parra-Almuna, Sofía Pontigo, Antonieta Ruiz, Felipe González, Nuria Ferrol, María de la Luz Mora and Paula Cartes
Plants 2024, 13(7), 929; https://doi.org/10.3390/plants13070929 - 23 Mar 2024
Cited by 1 | Viewed by 1101
Abstract
Aluminum (Al) toxicity and phosphorus (P) deficiency are widely recognized as major constraints to agricultural productivity in acidic soils. Under this scenario, the development of ryegrass plants with enhanced P use efficiency and Al resistance is a promising approach by which to maintain [...] Read more.
Aluminum (Al) toxicity and phosphorus (P) deficiency are widely recognized as major constraints to agricultural productivity in acidic soils. Under this scenario, the development of ryegrass plants with enhanced P use efficiency and Al resistance is a promising approach by which to maintain pasture production. In this study, we assessed the contribution of growth traits, P efficiency, organic acid anion (OA) exudation, and the expression of Al-responsive genes in improving tolerance to concurrent low-P and Al stress in ryegrass (Lolium perenne L.). Ryegrass plants were hydroponically grown under optimal (0.1 mM) or low-P (0.01 mM) conditions for 21 days, and further supplied with Al (0 and 0.2 mM) for 3 h, 24 h and 7 days. Accordingly, higher Al accumulation in the roots and lower Al translocation to the shoots were found in ryegrass exposed to both stresses. Aluminum toxicity and P limitation did not change the OA exudation pattern exhibited by roots. However, an improvement in the root growth traits and P accumulation was found, suggesting an enhancement in Al tolerance and P efficiency under combined Al and low-P stress. Al-responsive genes were highly upregulated by Al stress and P limitation, and also closely related to P utilization efficiency. Overall, our results provide evidence of the specific strategies used by ryegrass to co-adapt to multiple stresses in acid soils. Full article
(This article belongs to the Special Issue Molecular Mechanism of Plant Mineral Nutrient)
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Review

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24 pages, 2533 KiB  
Review
Plants Under Stress: Exploring Physiological and Molecular Responses to Nitrogen and Phosphorus Deficiency
by Swarup Mishra, Hannah Levengood, Jinping Fan and Cankui Zhang
Plants 2024, 13(22), 3144; https://doi.org/10.3390/plants13223144 - 8 Nov 2024
Viewed by 691
Abstract
Nitrogen (N) and phosphorus (P) are essential mineral macronutrients critical for plant structure and function. Both contribute to processes ranging from cellular integrity to signal transduction. Since plants require these nutrients in high concentrations, replenishing them in soil often involves chemical fertilizers. However, [...] Read more.
Nitrogen (N) and phosphorus (P) are essential mineral macronutrients critical for plant structure and function. Both contribute to processes ranging from cellular integrity to signal transduction. Since plants require these nutrients in high concentrations, replenishing them in soil often involves chemical fertilizers. However, the main source of P, rock phosphate, is non-renewable and in decline. N, second only to carbon, oxygen, and hydrogen in plant requirements, is vital for synthesizing proteins, nucleic acids, and plant pigments. Although N is available to plants through biological fixation or fertilizer application, the frequent application of N is not a sustainable solution due to environmental concerns like groundwater contamination and eutrophication. Plants have developed sophisticated mechanisms to adapt to nutrient deficiencies, such as changes in root architecture, local signaling, and long-distance signaling through the phloem. A dual deficiency of N and P is common in the field. In addition to individual N and P deficiency responses, this review also highlights some of the most recent discoveries in the responses of plants to the combined N and P deficiencies. Understanding the molecular and physiological responses in plants to mineral deficiency will help implement strategies to produce plants with high mineral use efficiency, leading to the reduced application of fertilizers, decreased mineral runoff, and improved environment. Full article
(This article belongs to the Special Issue Molecular Mechanism of Plant Mineral Nutrient)
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