Role of Microbes in Alleviating Abiotic Stress in Plants

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 2024) | Viewed by 3480

Special Issue Editors


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Guest Editor
Department of Botany, Institute of Biology, Warsaw University of Life Sciences SGGW, 02-787 Warsaw, Poland
Interests: plant responses to abiotic stress; legume-rhizobia symbiosis; mycorrhiza; functioning of the host plants and their symbionts under abiotic stress
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Botany, Institute of Biology, Warsaw University of Life Sciences SGGW, 02-787 Warsaw, Poland
Interests: plant responses to abiotic stress; legume–rhizobia symbiosis; functioning of the host plants and their symbionts under abiotic stress
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are accepting submissions for an upcoming /Plants/Special Issue entitled "Role of Microbes in Alleviating Abiotic Stress in Plants".

Abiotic stresses such as excessive watering, extreme temperatures, salinity, drought, and heavy metals are the foremost limiting factors that adversely affect the plant growth development, yield and seed quality. Recently, plant-microbes interactions have emerged as an attractive area of study with potential applications in abiotic stress mitigation in plants. This Special Issue will gather information about plant–microbe interactions under abiotic stress and physiological responses and molecular signaling pathways that are at the basis of these interactions. Topics of interest include but are not limited to plant growth promoting microbes, symbiotic microbes, microbial factors, plant–microbe chemical signaling, gene expression, hormonal control of interactions as well as plant stress responses (stress adaptation, modifications of plant anatomy and the patterns of metabolite contents, stress-responsive genes, physiological responses).

In this Special Issue, different types of manuscripts, including original research papers, perspectives, or reviews, are welcome.

Dr. Marzena Sujkowska-Rybkowska
Dr. Wojciech Borucki
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

  • plant–microbe interaction
  • abiotic stress
  • plant–microbe symbiosis
  • bacteria
  • fungi
  • prokaryote

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Published Papers (2 papers)

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Research

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34 pages, 2633 KiB  
Article
NaCl Modifies Biochemical Traits in Bacterial Endophytes Isolated from Halophytes: Towards Salinity Stress Mitigation Using Consortia
by Jesús Adrián Barajas González, Yersaín Ely Keller de la Rosa, Rogelio Carrillo-González, Ma. del Carmen Ángeles González-Chávez, María Eugenia Hidalgo Lara, Ramón Marcos Soto Hernández and Braulio Edgar Herrera Cabrera
Plants 2024, 13(12), 1626; https://doi.org/10.3390/plants13121626 - 12 Jun 2024
Viewed by 651
Abstract
Bacterial endophytes (120) were isolated from six halophytes (Distichlis spicata, Cynodon dactylon, Eragrostis obtusiflora, Suaeda torreyana, Kochia scoparia, and Baccharis salicifolia). These halophiles were molecularly identified and characterized with or without NaCl conditions. Characterization was based [...] Read more.
Bacterial endophytes (120) were isolated from six halophytes (Distichlis spicata, Cynodon dactylon, Eragrostis obtusiflora, Suaeda torreyana, Kochia scoparia, and Baccharis salicifolia). These halophiles were molecularly identified and characterized with or without NaCl conditions. Characterization was based on tests such as indole acetic acid (IAA), exopolysaccharides (EPS), and siderophores (SID) production; solubilization of phosphate (P), potassium (K), zinc (Zn), and manganese (Mn); mineralization of phytate; enzymatic activity (acid and alkaline phosphatase, phytases, xylanases, and chitinases) and the mineralization/solubilization mechanisms involved (organic acids and sugars). Moreover, compatibility among bacteria was assessed. Eleven halophiles were characterized as highly tolerant to NaCl (2.5 M). The bacteria isolated were all different from each other. Two belonged to Bacillus velezensis and one to B. pumilus while the rest of bacteria were identified up to the genus level as belonging to Bacillus, Halobacillus, Halomonas, Pseudomonas, Nesterenkonia, and three strains of Oceanobacillus. The biochemical responses of nutrient solubilization and enzymatic activity were different between bacteria and were influenced by the presence of NaCl. Organic acids were involved in P mineralization and nutrient solubilization. Tartaric acid was common in the solubilization of P, Zn, and K. Maleic and vanillic acid were only detected in Zn and K solubilization, respectively. Furthermore, sugars appeared to be involved in the solubilization of nutrients; fructose was detected in the solubilization tests. Therefore, these biochemical bacterial characteristics should be corroborated in vivo and tested as a consortium to mitigate saline stress in glycophytes under a global climate change scheme that threatens to exacerbate soil salinity. Full article
(This article belongs to the Special Issue Role of Microbes in Alleviating Abiotic Stress in Plants)
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Review

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15 pages, 1057 KiB  
Review
Role of Microbes in Alleviating Crop Drought Stress: A Review
by Zechen Gu, Chengji Hu, Yuxin Gan, Jinyan Zhou, Guangli Tian and Limin Gao
Plants 2024, 13(3), 384; https://doi.org/10.3390/plants13030384 - 27 Jan 2024
Cited by 3 | Viewed by 2394
Abstract
Drought stress is an annual global phenomenon that has devastating effects on crop production, so numerous studies have been conducted to improve crop drought resistance. Plant-associated microbiota play a crucial role in crop health and growth; however, we have a limited understanding of [...] Read more.
Drought stress is an annual global phenomenon that has devastating effects on crop production, so numerous studies have been conducted to improve crop drought resistance. Plant-associated microbiota play a crucial role in crop health and growth; however, we have a limited understanding of the key processes involved in microbiome-induced crop adaptation to drought stress. In this review, we summarize the adverse effects of drought stress on crop growth in terms of germination, photosynthesis, nutrient uptake, biomass, and yield, with a focus on the response of soil microbial communities to drought stress and plant-microbe interactions under drought stress. Moreover, we review the morpho-physiological, biochemical, and molecular mechanisms underlying the mitigation effect of microbes on crop drought stress. Finally, we highlight future research directions, including the characterization of specific rhizosphere microbiome species with corresponding root exudates and the efficiency of rhizobacteria inoculants under drought conditions. Such research will advance our understanding of the complex interactions between crops and microbes and improve crop resistance to drought stress through the application of beneficial drought-adaptive microbes. Full article
(This article belongs to the Special Issue Role of Microbes in Alleviating Abiotic Stress in Plants)
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