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Plants
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Nutrient Signaling Networks in Plants
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Nutrient Signaling Networks in Plants

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

Deadline for manuscript submissions: 30 November 2024 | Viewed by 2796

Special Issue Editor

Dr. Claudia Uhde-Stone

E-Mail Website
Guest Editor
Department of Biological Sciences, California State University, EastBay, Hayward, CA 94542, USA
Interests: gene expression; abiotic stress response in plants

Special Issue Information

Dear Colleagues,

Nutrients are vital to plant growth and development, but their environmental availability fluctuates. Enabled by advances in modern techniques, emerging research is revealing nutrient signaling networks that integrate and coordinate gene expression, metabolism, and development. These signaling networks include tightly controlled short-range and long-range signaling pathways. Surprisingly, there appears to be significant overlap between various nutrient deficiency responses, a phenomenon known as crosstalk. Emerging players in these complex nutrient signaling pathways include sugars, reactive oxygen species (ROS), microRNAs, plant hormones, calcium signaling, and various protein families. 

In this Special Issue on nutrient signaling in plants, we aim to highlight recent advances in our understanding of sensing and signaling pathways that enable plants to cope with fluctuating nutrient availability. Potential topics include:

  1. Nutrient (micro and macro) sensing;
  2. Short-distance and long-distance nutrient signaling;
  3. Crosstalk between nutrient signaling pathways;
  4. Mechanisms regulating nutrient stress responses.

Dr. Claudia Uhde-Stone
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

  • crosstalk
  • long-distance signal
  • nutrient sensing
  • nutrient signaling
  • systemic signaling

Published Papers (2 papers)

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Research

14 pages, 1545 KiB  
Article
Effects of Individual or Combined Deficiency of Phosphorous and Zinc on Phenotypic, Nutrient Uptake, and Molecular Responses of Finger Millet (Eleusine coracana): A Nutri-Rich Cereal Crop
by Theivanayagam Maharajan, Thumadath Palayullaparambil Ajeesh Krishna, Jayabalan Shilpha and Stanislaus Antony Ceasar
Plants 2023, 12(19), 3378; https://doi.org/10.3390/plants12193378 - 25 Sep 2023
Cited by 1 | Viewed by 1432
Abstract
Deficiencies of either phosphorus (P) or zinc (Zn) or both are one of the major abiotic constraints influencing agricultural production. Research on the effects of individual or combined P and Zn deficiency is limited in cereals. This study reports the effects of the [...] Read more.
Deficiencies of either phosphorus (P) or zinc (Zn) or both are one of the major abiotic constraints influencing agricultural production. Research on the effects of individual or combined P and Zn deficiency is limited in cereals. This study reports the effects of the individual or combined deficiency of inorganic phosphate (Pi) and Zn on the phenotypic, root hair modification, nutrient uptake, and molecular responses of finger millet (Eleusine coracana), a nutri-rich cereal crop. Finger millet seedlings were grown hydroponically under control (+Pi+Zn), individual Pi deficiency (−Pi), individual Zn deficiency (−Zn), and combined Pi and Zn deficiency (−Pi−Zn) conditions for 30 days to find the phenotypic, root hair modification, nutrient uptake, and molecular responses. Compared to the individual −Zn condition, the individual −Pi condition had more of an effect in terms of biomass reduction. The combined −Pi−Zn condition increased the root hair length and density compared to the other three conditions. The individual −Zn condition increased the Pi uptake, while the individual −Pi condition favored the Zn uptake. EcZIP2 was highly upregulated in shoot tissues under the individual −Zn condition, and EcPHT1;2 was highly expressed in root tissues under the individual −Pi condition. This is the first study to report the effects of the individual or combined deficiency of Pi and Zn in finger millet and may lead to future studies to better manage P and Zn deficiency. Full article
(This article belongs to the Special Issue Nutrient Signaling Networks in Plants)
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13 pages, 1680 KiB  
Article
Soybean Root Transcriptomics: Insights into Sucrose Signaling at the Crossroads of Nutrient Deficiency and Biotic Stress Responses
by Leela Chandra Manozna Nidumolu, Kristina Mae Lorilla, Indrani Chakravarty and Claudia Uhde-Stone
Plants 2023, 12(11), 2117; https://doi.org/10.3390/plants12112117 - 26 May 2023
Viewed by 1103
Abstract
Soybean (Glycine max) is an important agricultural crop, but nutrient deficiencies frequently limit soybean production. While research has advanced our understanding of plant responses to long-term nutrient deficiencies, less is known about the signaling pathways and immediate responses to certain nutrient [...] Read more.
Soybean (Glycine max) is an important agricultural crop, but nutrient deficiencies frequently limit soybean production. While research has advanced our understanding of plant responses to long-term nutrient deficiencies, less is known about the signaling pathways and immediate responses to certain nutrient deficiencies, such as Pi and Fe deficiencies. Recent studies have shown that sucrose acts as a long-distance signal that is sent in increased concentrations from the shoot to the root in response to various nutrient deficiencies. Here, we mimicked nutrient deficiency-induced sucrose signaling by adding sucrose directly to the roots. To unravel transcriptomic responses to sucrose acting as a signal, we performed Illumina RNA-sequencing of soybean roots treated with sucrose for 20 min and 40 min, compared to non-sucrose-treated controls. We obtained a total of 260 million paired-end reads, mapping to 61,675 soybean genes, some of which are novel (not yet annotated) transcripts. Of these, 358 genes were upregulated after 20 min, and 2416 were upregulated after 40 min of sucrose exposure. GO (gene ontology) analysis revealed a high proportion of sucrose-induced genes involved in signal transduction, particularly hormone, ROS (reactive oxygen species), and calcium signaling, in addition to regulation of transcription. In addition, GO enrichment analysis indicates that sucrose triggers crosstalk between biotic and abiotic stress responses. Full article
(This article belongs to the Special Issue Nutrient Signaling Networks in Plants)
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