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Regulation on Nutrient Sensing, Signaling and Transport in Plants
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Regulation on Nutrient Sensing, Signaling and Transport in Plants

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".

Deadline for manuscript submissions: 20 September 2024 | Viewed by 1103

Special Issue Editor

Dr. Hatem Rouached

E-Mail Website
Guest Editor
The Plant Resilience Institute, Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, MI 48824, USA
Interests: plant molecular physiology; plant mineral nutrition: sensing, signaling, and transport
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues, 

Plants have evolved highly effective transport, sensing and signaling systems to ensure acquisition of sufficient minerals for growth and development. This Special Issue entitled “Regulation on Nutrient Sensing, Signaling and Transport in Plants” aims to offer an insight into newly identified genes/regulatory pathways or metabolites involved in the regulation of ion homeostasis in plants. These include, but are not limited to: (i) effects of limitation or excess of various macro- and microelements on plant growth capacity; (ii) effects of components of global climate changes (drought, CO2, heat, etc.) on the regulation of ions transport and assimilation. Guest editors, Hatem Rouached, welcome critical review articles as well as original research articles related to this topic. Please note that all accepted articles of this Special Issue will be available through free access, which offers the highest possible exposure of the published papers to the public.

Dr. Hatem Rouached
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. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. 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

  • macronutrient
  • micronutrient
  • toxic metal
  • sensing
  • signaling
  • transport
  • phytoremidiation
  • model plants
  • crops
  • climate change

Published Papers (1 paper)

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Research

23 pages, 6786 KiB  
Article
The Functional Diversity of the High-Affinity Nitrate Transporter Gene Family in Hexaploid Wheat: Insights from Distinct Expression Profiles
by Petros P. Sigalas, Peter Buchner, Alex Kröper and Malcolm J. Hawkesford
Int. J. Mol. Sci. 2024, 25(1), 509; https://doi.org/10.3390/ijms25010509 - 29 Dec 2023
Cited by 1 | Viewed by 701
Abstract
High-affinity nitrate transporters (NRT) are key components for nitrogen (N) acquisition and distribution within plants. However, insights on these transporters in wheat are scarce. This study presents a comprehensive analysis of the NRT2 and NRT3 gene families, where the aim is to shed [...] Read more.
High-affinity nitrate transporters (NRT) are key components for nitrogen (N) acquisition and distribution within plants. However, insights on these transporters in wheat are scarce. This study presents a comprehensive analysis of the NRT2 and NRT3 gene families, where the aim is to shed light on their functionality and to evaluate their responses to N availability. A total of 53 NRT2s and 11 NRT3s were identified in the bread wheat genome, and these were grouped into different clades and homoeologous subgroups. The transcriptional dynamics of the identified NRT2 and NRT3 genes, in response to N starvation and nitrate resupply, were examined by RT-qPCR in the roots and shoots of hydroponically grown wheat plants through a time course experiment. Additionally, the spatial expression patterns of these genes were explored within the plant. The NRT2s of clade 1, TaNRT2.1-2.6, showed a root-specific expression and significant upregulation in response to N starvation, thus emphasizing a role in N acquisition. However, most of the clade 2 NRT2s displayed reduced expression under N-starved conditions. Nitrate resupply after N starvation revealed rapid responsiveness in TaNRT2.1-2.6, while clade 2 genes exhibited gradual induction, primarily in the roots. TaNRT2.18 was highly expressed in above-ground tissues and exhibited distinct nitrate-related response patterns for roots and shoots. The TaNRT3 gene expression closely paralleled the profiles of TaNRT2.1-2.6 in response to nitrate induction. These findings enhance the understanding of NRT2 and NRT3 involvement in nitrogen uptake and utilization, and they could have practical implications for improving nitrogen use efficiency. The study also recommends a standardized nomenclature for wheat NRT2 genes, thereby addressing prior naming inconsistencies. Full article
(This article belongs to the Special Issue Regulation on Nutrient Sensing, Signaling and Transport in Plants)
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