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Microbiome: A Tool for Plant Stress Management in Future Production Systems

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A special issue of Stresses (ISSN 2673-7140). This special issue belongs to the section "Plant and Photoautotrophic Stresses".

Deadline for manuscript submissions: 30 June 2024 | Viewed by 6188

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Special Issue Editors

Dr. Luz E. De-Bashan

E-Mail Website
Guest Editor

Bashan Institute of Sciences, 1730 Post Oak Ct, Auburn, AL 36830, USA
Interests: plant–bacteria interaction; microbial inoculants; plant growth promoting bacteria; microbial-assisted restoration of degraded soils
Special Issues, Collections and Topics in MDPI journals

Dr. Salme Timmusk

E-Mail Website
Guest Editor

Department of Forest Mycology and Plant Pathology, Swedish University of Agricultural Sciences, SE-75007 Uppsala, Sweden
Interests: deciphering plant–microbe interactions; construction of genome-scale metabolic models of microorganisms and plants; extremophilic microorganisms and their biochemical adaptation and biotechnological

Special Issue Information

Dear Colleagues,

This Special Issue aims to gather transdisciplinary contributions with innovative research, methodological proposals, and research ideas on sustainable cultivation/production systems.

We focus on unraveling the interactions, and designing cultivation systems, where the crop plant breeding lines are cultivated along with their rhizosphere components. In order to achieve this, we must “learn” from the rhizospheres, which have assisted landraces and crops’ wild relatives in surviving under various stress situations. We use next-generation sequencing combined with high-resolution microscopy and metabolomic approaches, as well as nanointerface studies to expand the potential of modern plant-breeding lines. Sustainable production system issues are critical in regions where the effects of climate change have created severe stress conditions (e.g., the Global South), but also in the Global North where artificial fertilization has resulted in agricultural pollution and crop nutritional stress.

For this Special Issue, we seek the submission of regular research papers, communications, short notes, and reviews with research proposals.

Dr. Luz E. de-Bashan
Dr. Salme Timmusk
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. Stresses is an international peer-reviewed open access quarterly 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 1000 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.

Published Papers (4 papers)

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Editorial

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3 pages, 190 KiB

Open AccessEditorial

Microbiome: A Tool for Plant Stress Management in Future Production Systems

Salme Timmusk

and

Luz E. de-Bashan

Stresses 2022, 2(2), 210-212; https://doi.org/10.3390/stresses2020014 - 06 Apr 2022

Cited by 1 | Viewed by 1691

Abstract

Climate change, due to the altered composition of the global atmosphere from the “greenhouse effect”, is one of the biggest challenges to agricultural production systems [...] Full article

(This article belongs to the Special Issue Microbiome: A Tool for Plant Stress Management in Future Production Systems)

Research

Jump to: Editorial, Review

20 pages, 2090 KiB

Open AccessArticle

Engineering Approach for Production of Arbuscular Mycorrhizal Inoculum Adapted to Saline Soil Management

and

Anissa Lounés-Hadj Sahraoui

Stresses 2023, 3(2), 404-423; https://doi.org/10.3390/stresses3020030 - 04 Apr 2023

Cited by 1 | Viewed by 1312

Abstract

(1) Background: Soil salinity impacts plant growth and productivity in steppic regions. Thus, the current study aims at producing, at low cost, an inoculum composed of native arbuscular mycorrhizal fungi (AMF) strains adapted to saline soil management. (2) Methods: The propagation of the native AMF strains was carried out in three natural saline soils presenting increasing salinity levels (4.5, 8.5 and 9.3 dS·m⁻¹ in Boughzoul (BG), Salt Rocket (SR) and Zaafrane (ZA) sites, respectively). Three host plant species (alfalfa, clover and leek) were tested as trap cultures. AMF spore richness and diversity, the quantification of soil microbial biomass and the determination of the most probable number (MPN) were carried out before and after 24 months culture. Moreover, the mycorrhizal rates of the host plant species were assessed. (3) Results: The moderate saline soil (SR) planted with alfalfa was found to be the most suitable for AMF inoculum production with a maximum of 650 spores, 10 g⁻¹ of soil, a mycorrhizal rate of 86%, 70 propagules·g⁻¹ of soil and the highest microbial biomass content. (4) Conclusion: This study points out the best combination for the production of a more adapted AMF biofertilizer for saline soil management and proposes several indicators for biofertilizer quality evaluation. Full article

(This article belongs to the Special Issue Microbiome: A Tool for Plant Stress Management in Future Production Systems)

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17 pages, 3368 KiB

Open AccessArticle

Productivity and Nutrient Quality of Lemna minor as Affected by Microbiome, CO₂ Level, and Nutrient Supply

Madeleine C. Zenir

Marina López-Pozo

Stephanie K. Polutchko

and

Stresses 2023, 3(1), 69-85; https://doi.org/10.3390/stresses3010007 - 31 Dec 2022

Cited by 1 | Viewed by 2302

Abstract

Rising atmospheric carbon dioxide (CO₂) levels can impact plant photosynthesis and productivity and threaten food security, especially when combined with additional environmental stressors. This study addresses the effects of elevated CO₂ in combination with low nutrient supply on Lemna minor (common duckweed). We quantified plant growth rate and nutritional quality (protein content) and evaluated whether any adverse effects of elevated CO₂, low nutrients, or the combination of the two could be mitigated by plant-microbe interaction. Plants were grown under controlled conditions and were either uninoculated or inoculated with microorganisms from a local pond that supported L. minor populations. Under low nutrients in combination with high CO₂, growth (plant area expansion rate) decreased and biomass accumulation increased, albeit with lower nutritional quality (lower percentage of protein per plant biomass). Inoculation with plant-associated microorganisms restored area expansion rate and further stimulated biomass accumulation while supporting a high protein-to-biomass ratio and, thus, a high nutritional quality. These findings indicate that plant-microbe interaction can support a higher nutritional quality of plant biomass under elevated atmospheric CO₂ levels, an important finding for both human and non-human consumers during a time of rapid environmental change. Full article

(This article belongs to the Special Issue Microbiome: A Tool for Plant Stress Management in Future Production Systems)

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Review

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26 pages, 3827 KiB

Open AccessReview

Regulation, Biosynthesis, and Extraction of Bacillus-Derived Lipopeptides and Its Implications in Biological Control of Phytopathogens

Valeria Valenzuela Ruiz

Azucena Gándara-Ledezma

María Fernanda Villarreal-Delgado

Eber Daniel Villa-Rodríguez

Fannie Isela Parra-Cota

Gustavo Santoyo

Lorena Jacqueline Gómez-Godínez

Luis A. Cira Chávez

and

Sergio de los Santos-Villalobos

Stresses 2024, 4(1), 107-132; https://doi.org/10.3390/stresses4010007 (registering DOI) - 16 Jan 2024

Abstract

In recent years, the adoption of sustainable pest management strategies has increased interest in the utilization of biopesticides, with a focus on harnessing beneficial microorganisms. Among these, lipopeptides, such as surfactins, iturins, and fengycins produced by the genus Bacillus, have gained significant attention due to their multifaceted biocontrol mechanisms and wide-ranging inhibitory effects. This review aims to address the regulation, biosynthesis, and production of three main lipopeptide families secreted by the genus Bacillus, as well as the identification and quantification analysis used to date, through the omic tools approach. The three families have been identified as key contributors to the biocontrol abilities of these bacteria, with their broad-spectrum activity making them valuable tools in integrated pest management approaches that aim to reduce reliance on chemical pesticides use while maintaining crop health and productivity. Full article

(This article belongs to the Special Issue Microbiome: A Tool for Plant Stress Management in Future Production Systems)

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