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Silicon Nutrition and the Cross Talk with Plant Biotic and...
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Silicon Nutrition and the Cross Talk with Plant Biotic and Abiotic Stresses

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Response to Abiotic Stress and Climate Change".

Deadline for manuscript submissions: closed (31 July 2022) | Viewed by 12323

Special Issue Editors

Dr. Seyed Abdollah Hosseini

E-Mail Website
Guest Editor
Abiotic Stress Team Leader, Plant Nutrition Department, Centre Mondial de I’lnnovation Roullier, France
Interests: plant physiology; plant abiotic stresses; molecular stress physiology; plant nutrition; plant metabolomics; plant proteomics
Dr. Benjamin Pommerrenig

E-Mail Website
Guest Editor
Group leader in the department of Plant Physiology, University Kaiserslautern, Plant Physiology, Plant Physiology, 67653 Kaiserslautern, Germany
Interests: plant physiology; carbohydrate metabolism; sugar transport; nutrient transport; nutrient efficiency
Dr. Nusrat Ali

E-Mail Website
Guest Editor
Platform Manager, Molecular Biology platform, Plant Nutrition Department, Centre Mondial de l’lnnovation Roullier, Saint-Malo, France
Interests: gene regulatory network; signal transduction; molecular stress responses; nutrient homeostasis

Special Issue Information

Dear Colleagues,

Research on Silicon (Si) nutrition has been focused of many research communities worldwide. Si is the second most abundant element in the earth’s crust where it is considered as beneficial element for agriculture production. Notably, the discovery of Si transporters provided an excellent opportunity to understand the uptake of Si in certain crop plants and let to better categorize them as low, intermediate and high accumulating Si species. One of the important properties of Si nutrition is its role in alleviating environmental stresses. Over the last decade, a significant number of studies have considered to explore the role of Si in alleviating plants responses from both abiotic and biotic stresses. However, there are still many areas which need further investigation. In this context, the impact of Si on soil, careful consideration of different responses of Si-accumulating and non-accumulating species, and also Si and gene regulatory network leading to tolerance to biotic and abiotic stresses need further elucidation. This Special Issue will cover a wide variety of areas, aiming to contribute to the overall knowledge of Si nutrition under biotic and abiotic stresses. Research and review articles on the cross talk between Si and biotic and abiotic stresses regarding change in plant metabolism, biochemistry, proteomics, transcriptomics, epigenetics, and other related topics are welcome.

Dr. Seyed Abdollah Hosseini
Dr. Benjamin Pommerrenig
Dr. Nusrat Ali
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

  • Silicon and cross-talk with nutritional stresses/toxicity

  • Silicon and biotic and abiotic stresses

  • Silicon and soil science
  • Silicon and soil microorganisms

Published Papers (3 papers)

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Research

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16 pages, 3095 KiB  
Article
Assessing the Effect of Silicon Supply on Root Sulfur Uptake in S-Fed and S-Deprived Brassica napus L.
by Philippe Laîné, Raphaël Coquerel, Mustapha Arkoun, Jacques Trouverie and Philippe Etienne
Plants 2022, 11(12), 1606; https://doi.org/10.3390/plants11121606 - 18 Jun 2022
Cited by 4 | Viewed by 1905
Abstract
Silicon (Si) is known to alleviate many nutritional stresses. However, in Brassica napus, which is a highly S-demanding species, the Si effect on S deficiency remains undocumented. The aim of this study was to assess whether Si alleviates the negative effects of [...] Read more.
Silicon (Si) is known to alleviate many nutritional stresses. However, in Brassica napus, which is a highly S-demanding species, the Si effect on S deficiency remains undocumented. The aim of this study was to assess whether Si alleviates the negative effects of S deficiency on Brassica napus and modulates root sulfate uptake capacity and S accumulation. For this, Brassica napus plants were cultivated with or without S and supplied or not supplied with Si. The effects of Si on S content, growth, expression of sulfate transporter genes (BnaSultr1.1; BnaSultr1.2) and sulfate transporters activity in roots were monitored. Si supply did not mitigate growth or S status alterations due to S deprivation but moderated the expression of BnaSultr1.1 in S-deprived plants without affecting the activity of root sulfate transporters. The effects of Si on the amount of S taken-up and on S transporter gene expression were also evaluated after 72 h of S resupply. In S-deprived plants, S re-feeding led to a strong decrease in the expression of both S transporter genes as expected, except in Si-treated plants where BnaSultr1.1 expression was maintained over time. This result is discussed in relation to the similar amount of S accumulated regardless of the Si treatment. Full article
(This article belongs to the Special Issue Silicon Nutrition and the Cross Talk with Plant Biotic and Abiotic Stresses)
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20 pages, 3590 KiB  
Article
Silicon Amendment Enhances Agronomic Efficiency of Nitrogen Fertilization in Maize and Wheat Crops under Tropical Conditions
by Fernando Shintate Galindo, Paulo Humberto Pagliari, Willian Lima Rodrigues, Guilherme Carlos Fernandes, Eduardo Henrique Marcandalli Boleta, José Mateus Kondo Santini, Arshad Jalal, Salatiér Buzetti, José Lavres and Marcelo Carvalho Minhoto Teixeira Filho
Plants 2021, 10(7), 1329; https://doi.org/10.3390/plants10071329 - 29 Jun 2021
Cited by 16 | Viewed by 2952
Abstract
Sustainable management strategies are needed to improve agronomic efficiency and cereal yield production under harsh abiotic climatic conditions such as in tropical Savannah. Under these environments, field-grown crops are usually exposed to drought and high temperature conditions. Silicon (Si) application could be a [...] Read more.
Sustainable management strategies are needed to improve agronomic efficiency and cereal yield production under harsh abiotic climatic conditions such as in tropical Savannah. Under these environments, field-grown crops are usually exposed to drought and high temperature conditions. Silicon (Si) application could be a useful and sustainable strategy to enhance agronomic N use efficiency, leading to better cereal development. This study was developed to explore the effect of Si application as a soil amendment source (Ca and Mg silicate) associated with N levels applied in a side-dressing (control, low, medium and high N levels) on maize and wheat development, N uptake, agronomic efficiency and grain yield. The field experiments were carried out during four cropping seasons, using two soil amendment sources (Ca and Mg silicate and dolomitic limestone) and four N levels (0, 50, 100 and 200 kg N ha−1). The following evaluations were performed in maize and wheat crops: the shoots and roots biomass, total N, N-NO3−, N-NH4+ and Si accumulation in the shoots, roots and grain tissue, leaf chlorophyll index, grain yield and agronomic efficiency. The silicon amendment application enhanced leaf chlorophyll index, agronomic efficiency and N-uptake in maize and wheat plants, benefiting shoots and roots development and leading to a higher grain yield (an increase of 5.2 and 7.6%, respectively). It would be possible to reduce N fertilization in maize from 185–180 to 100 kg N ha−1 while maintaining similar grain yield with Si application. Additionally, Si application would reduce N fertilization in wheat from 195–200 to 100 kg N ha−1. Silicon application could be a key technology for improving plant-soil N-management, especially in Si accumulator crops, leading to a more sustainable cereal production under tropical conditions. Full article
(This article belongs to the Special Issue Silicon Nutrition and the Cross Talk with Plant Biotic and Abiotic Stresses)
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Review

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18 pages, 2128 KiB  
Review
The Regulatory Role of Silicon in Mitigating Plant Nutritional Stresses
by Nusrat Ali, Elise Réthoré, Jean-Claude Yvin and Seyed Abdollah Hosseini
Plants 2020, 9(12), 1779; https://doi.org/10.3390/plants9121779 - 15 Dec 2020
Cited by 57 | Viewed by 6351
Abstract
It has been long recognized that silicon (Si) plays important roles in plant productivity by improving mineral nutrition deficiencies. Despite the fact that Si is considered as ‘quasi–essential’, the positive effect of Si has mostly been described in resistance to biotic and tolerance [...] Read more.
It has been long recognized that silicon (Si) plays important roles in plant productivity by improving mineral nutrition deficiencies. Despite the fact that Si is considered as ‘quasi–essential’, the positive effect of Si has mostly been described in resistance to biotic and tolerance to abiotic stresses. During the last decade, much effort has been aimed at linking the positive effects of Si under nutrient deficiency or heavy metal toxicity (HM). These studies highlight the positive effect of Si on biomass production, by maintaining photosynthetic machinery, decreasing transpiration rate and stomatal conductance, and regulating uptake and root to shoot translocation of nutrients as well as reducing oxidative stress. The mechanisms of these inputs and the processes driving the alterations in plant adaptation to nutritional stress are, however, largely unknown. In this review, we focus on the interaction of Si and macronutrient (MaN) deficiencies or micro-nutrient (MiN) deficiency, summarizing the current knowledge in numerous research fields that can improve our understanding of the mechanisms underpinning this cross-talk. To this end, we discuss the gap in Si nutrition and propose a working model to explain the responses of individual MaN or MiN disorders and their mutual responses to Si supplementation. Full article
(This article belongs to the Special Issue Silicon Nutrition and the Cross Talk with Plant Biotic and Abiotic Stresses)
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