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Plant Adaptation to Nutrient Starvation Induced under Low Mineral Availability...
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Plant Adaptation to Nutrient Starvation Induced under Low Mineral Availability and Environmental Stress

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

Deadline for manuscript submissions: closed (31 July 2021) | Viewed by 3448

Special Issue Editor

Dr. Takeshi Fukao

E-Mail Website
Guest Editor
Department of Bioscience and Biotechnology, Fukui Prefectural University, Eiheiji, Fukui 910-1195, Japan
Interests: abiotic stress; nutrient use efficiency; molecular biology; plant physiology

Special Issue Information

Dear Colleagues,

Plants encounter nutrient starvation due to low mineral availability in the soil. Therefore, their adaptive responses to nutrient starvation have been investigated using plants grown at limited mineral supply. Environmental stresses can also induce nutrient starvation through restricting photosynthetic activity and altering metabolism and transport of various compounds related to plant nutrients. Such stresses include drought, flooding, high and low temperature, constant darkness, and defoliation. An advanced understanding of the regulatory mechanisms underlying adaptation to nutrient starvation will provide valuable information for developing new crop varieties with increased nutrient use efficiency and enhanced tolerance to mineral deficiency and other environmental stresses.

This Special Issue invites research papers related to physiological and molecular bases of plant adaptation to nutrient starvation triggered by limited nutrient supply and environmental stresses. Original research articles and reviews are most welcome.

Dr. Takeshi Fukao
Guest Editor

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

  • Nutrient starvation
  • Nutrient defficiency
  • Mineral availability
  • Nutrient use efficiency
  • Abiotic stress
  • Precipitation extremes
  • Temperature extremes
  • Darkness
  • Defoliation

Published Papers (1 paper)

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Research

12 pages, 1660 KiB  
Article
Physiological and Molecular Traits Associated with Nitrogen Uptake under Limited Nitrogen in Soft Red Winter Wheat
by Suman Lamichhane, Chiaki Murata, Carl A. Griffey, Wade E. Thomason and Takeshi Fukao
Plants 2021, 10(1), 165; https://doi.org/10.3390/plants10010165 - 17 Jan 2021
Cited by 9 | Viewed by 2785
Abstract
A sufficient nitrogen (N) supply is pivotal for high grain yield and desired grain protein content in wheat (Triticum aestivum L.). Elucidation of physiological and molecular mechanisms underlying nitrogen use efficiency (NUE) will enhance our ability to develop new N-saving varieties in [...] Read more.
A sufficient nitrogen (N) supply is pivotal for high grain yield and desired grain protein content in wheat (Triticum aestivum L.). Elucidation of physiological and molecular mechanisms underlying nitrogen use efficiency (NUE) will enhance our ability to develop new N-saving varieties in wheat. In this study, we analyzed two soft red winter wheat genotypes, VA08MAS-369 and VA07W-415, with contrasting NUE under limited N. Our previous study demonstrated that higher NUE in VA08MAS-369 resulted from accelerated senescence and N remobilization in flag leaves at low N. The present study revealed that VA08MAS-369 also exhibited higher nitrogen uptake efficiency (NUpE) than VA07W-415 under limited N. VA08MAS-369 consistently maintained root growth parameters such as maximum root depth, total root diameter, total root surface area, and total root volume under N limitation, relative to VA07W-415. Our time-course N content analysis indicated that VA08MAS-369 absorbed N more abundantly than VA07W-415 after the anthesis stage at low N. More efficient N uptake in VA08MAS-369 was associated with the increased expression of genes encoding a two-component high-affinity nitrate transport system, including four NRT2s and three NAR2s, in roots at low N. Altogether, these results demonstrate that VA08MAS-369 can absorb N efficiently even under limited N due to maintained root development and increased function of N uptake. The ability of VA08MAS-369 in N remobilization and uptake suggests that this genotype could be a valuable genetic material for the improvement of NUE in soft red winter wheat. Full article
(This article belongs to the Special Issue Plant Adaptation to Nutrient Starvation Induced under Low Mineral Availability and Environmental Stress)
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