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Special Issue "Interaction between Plants, Microorganisms, and Soils in Different Ecosystems 2.0"

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: 30 December 2023 | Viewed by 1580

Special Issue Editor

Special Issue Information

Dear Colleagues,

Plants are colonised by an extremely high number of organisms, which can reach cell density much greater than the number of cells in the plant itself. In addition, the number of genes of microorganisms inhabiting the rhizosphere significantly exceeds the number of plant genes. Plants act as a link between communities of microorganisms, insects, and other invertebrate and vertebrate animals occurring both above and below the soil surface. In the natural environment, abiotic and biotic factors have an indirect or direct impact on plants. The root system of a plant works like a factory that produces a huge amount of chemicals to communicate effectively with the microorganisms around it. At the same time, micro-organisms can use these compounds as an energy source. The variety of microorganisms associated with plant roots is enormous, amounting to tens of thousands of species. This complex microbial community, also called the second plant genome, is essential for plant health and productivity. Over the last few years, there has been significant progress in research into the structure and dynamics of the microbial sphere of the rhizosphere. It has been proven that plants shape the composition of microorganisms by synthesizing root secretions. On the other hand, microorganisms play a key role in the functioning of plants through their positive impact on their growth and development. In general, rhizosphere microorganisms promote plant growth directly by providing plants with minerals such as nitrogen and phosphorus and by synthesizing growth regulators, as well as indirectly, by inhibiting the development of various plant pathogens. Researchers use novel technologies including next-generation sequencing, the use of soil profiling and microprobes for genomics, transcriptomics and metabolomics studies to conduct informative studies in the soil rhizosphere, and the role of plants and microorganisms in these interactions.

This Special Issue intends to improve our understanding of the “Interaction between the Plant Rhizosphere and Soil Organisms”. Submissions could consist of research on topics including but not limited to:

  • Diversity of soil microorganisms;
  • Soil microorganisms in forest ecosystems;
  • Rhizosphere diversity;
  • Interaction between plants and their microbial communities;
  • Functions of rhizosphere microorganisms;
  • Microorganisms synthesizing plant growth regulators;
  • Biological plant protection;
  • Genetic diversity among soil microbial communities;
  • Novel bioactive compound isolation and identification in plants and soil.

We would like to take this opportunity to welcome the submission of research articles, reviews, as well as technical notes and communications, on these related topics.

Prof. Dr. Anna Gałązka
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

  • microbiome and mycobiome of soil and tree rhizosphere
  • mycorrhizal fungi
  • next-generation sequencing
  • soil and tree biodiversity
  • interaction between plants and microorganisms

Published Papers (3 papers)

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Research

Article
Microbial Community Response to Various Types of Exogenous Organic Matter Applied to Soil
Int. J. Mol. Sci. 2023, 24(19), 14559; https://doi.org/10.3390/ijms241914559 - 26 Sep 2023
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Abstract
Recycling of solid biowaste and manure would reduce the dependence of agriculture on synthetic products. Most of the available studies on the effects of exogenous organic matter (EOM) application to soil were focused on nutrients and crop yield, with much less attention to [...] Read more.
Recycling of solid biowaste and manure would reduce the dependence of agriculture on synthetic products. Most of the available studies on the effects of exogenous organic matter (EOM) application to soil were focused on nutrients and crop yield, with much less attention to microbiological processes in soil, especially using modern molecular methods. The aim of this study was to evaluate the effects of various types of manure, sewage sludge and bottom sediment on the biochemical activity and biodiversity of soil and plant yield in a pot experiment. The soil was treated with a range of EOM types: six types of manure (cattle, pig, goat, poultry, rabbit and horse manure; two bottom sediments (from urban and rural systems); and two types of municipal sewage sludge. All EOMs stimulated dehydrogenases activity at a rate of 20 t ha−1. Alkaline phosphatase was mostly stimulated by poultry manure and one of the sludges. In general, the two-fold greater rate of EOMs did not further accelerate the soil enzymes. The functional diversity of the soil microbiome was stimulated the most by cattle and goat manure. EOMs produce a shift in distribution of the most abundant bacterial phyla and additionally introduce exogenous bacterial genera to soil. Poultry and horse manure introduced the greatest number of new genera that were able to survive the strong competition in soil. EOMs differentiated plant growth in our study, which was correlated to the rate of nitrate release to soil. The detailed impacts of particular amendments were EOM-specific, but in general, no harm for microbial parameters was observed for manure and sludge application, regardless of their type. There was also no proof that the PAH and pesticide contents measured in manure or sludge had any effect on microbial activity and diversity. Full article
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Article
Variability of Functional Groups of Rhizosphere Fungi of Norway Spruce (Picea abies (L.) H.Karst.) in the Boreal Range: The Wigry National Park, Poland
Int. J. Mol. Sci. 2023, 24(16), 12628; https://doi.org/10.3390/ijms241612628 - 10 Aug 2023
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Abstract
Rhizosphere microbial communities can influence plant growth and development. Natural regeneration processes take place in the tree stands of protected areas, which makes it possible to observe the natural changes taking place in the rhizosphere along with the development of the plants. This [...] Read more.
Rhizosphere microbial communities can influence plant growth and development. Natural regeneration processes take place in the tree stands of protected areas, which makes it possible to observe the natural changes taking place in the rhizosphere along with the development of the plants. This study aimed to determine the diversity (taxonomic and functional) of the rhizosphere fungal communities of Norway spruce growing in one of four developmental stages. Our research was based on the ITS region using Illumina system sequencing. Saprotrophs dominated in the studied rhizospheres, but their percentage share decreased with the age of the development group (for 51.91 from 43.13%). However, in the case of mycorrhizal fungi, an opposite trend was observed (16.96–26.75%). The most numerous genera were: saprotrophic Aspergillus (2.54–3.83%), Penicillium (6.47–12.86%), Pyrenochaeta (1.39–11.78%), pathogenic Curvularia (0.53–4.39%), and mycorrhizal Cortinarius (1.80–5.46%), Pseudotomentella (2.94–5.64%) and Tomentella (4.54–15.94%). The species composition of rhizosphere fungal communities was favorable for the regeneration of natural spruce and the development of multi-generational Norway spruce stands. The ratio of the abundance of saprotrophic and mycorrhizal fungi to the abundance of pathogens was high and promising for the durability of the large proportion of spruce in the Wigry National Park and for forest ecosystems in general. Full article
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Article
Tree Root-Associated Microbial Communities Depend on Various Floor Management Systems in an Intensive Apple (Malus × domestica Borkh.) Orchard
Int. J. Mol. Sci. 2023, 24(12), 9898; https://doi.org/10.3390/ijms24129898 - 08 Jun 2023
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Abstract
Regenerative 3agriculture prioritizes soil health to build up organic soil carbon and nitrogen stocks while supporting the active and diverse soil biota that is a prerequisite for maintaining crop productivity and quality in sustainable food production. This study aimed at unravelling the impact [...] Read more.
Regenerative 3agriculture prioritizes soil health to build up organic soil carbon and nitrogen stocks while supporting the active and diverse soil biota that is a prerequisite for maintaining crop productivity and quality in sustainable food production. This study aimed at unravelling the impact of organic and inorganic soil maintenance systems in a ‘Red Jonaprince’ apple (Malus × domestica Borkh.) orchard on soil microbiota biodiversity and soil physico-chemical properties. During our study, we compared seven floor management systems in terms of microbial community diversity. Fungal and bacterial communities on all taxonomic levels differed largely between systems that augmented organic matter (organic) and other tested inorganic regimes. The dominant phylum of the soil in all management systems was Ascomycota. The operational taxonomic units (OTUs) within the Ascomycota were largely identified as members of Sordariomycetes, followed by Agaricomycetes, and both dominated in organic systems versus inorganic. The most prominent phyla, Proteobacteria, accounted for 43% of all assigned bacteria OTUs. Gammaproteobacteria, Bacteroidia, and Alphaproteobacteria were predominant in organic samples, while Acidobacteriae, Verrucomicrobiae, and Gemmatimonadetes were more abundant in inorganic mulches. Full article
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