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Special Issue "Advances in Root-Associated Microbial Communities—the Role from Plant and Sustainable Agriculture"

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Microbiology".

Deadline for manuscript submissions: 31 December 2022 | Viewed by 1159

Special Issue Editor

Prof. Dr. Anna Gałązka
E-Mail Website
Guest Editor
Department of Agriculture Microbiology, Institute of Soil Science and Plant Cultivation, State Research Institute, Czartoryskich 8, 24-100 Pulawy, Poland
Interests: microbial diversity of soils (research in molecular biology; evaluation of genetic differentiation and identification of microorganisms and characterization of metabolic profile of bacteria and fungi)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The microorganisms in the rhizosphere can be beneficial, harmful, or neutral for the growth and health of the plant. For example, plant-growth-promoting bacteria and fungi may enhance protection against pathogens, promote plant growth, and facilitate plant nutrition. Plants and microbes interact, e.g., by signaling via root exudates. The composition of root exudates varies between plant species, and this variability plays an important role for the establishment of plant-rhizospheric microbial communities. 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. 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, as well as 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 “advances in root-associated microbial communities”. Submissions could consist of research in topics including but not limited to:

  • Rhizosphere diversity of soil microorganisms;
  • 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.

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 plant rhizosphere
  • mycorrhizal fungi
  • next-generation sequencing
  • soil biodiversity

Published Papers (1 paper)

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Research

Article
Changes in Rhizosphere Soil Fungal Communities of Pinus tabuliformis Plantations at Different Development Stages on the Loess Plateau
Int. J. Mol. Sci. 2022, 23(12), 6753; https://doi.org/10.3390/ijms23126753 - 17 Jun 2022
Viewed by 601
Abstract
The soil fungal community is an important factor in the forest ecosystems, and a better understanding of its composition and dynamic changes will contribute to the maintenance, preservation, and sustainable development of the forest ecosystems. Pinus tabuliformis has been widely planted for local [...] Read more.
The soil fungal community is an important factor in the forest ecosystems, and a better understanding of its composition and dynamic changes will contribute to the maintenance, preservation, and sustainable development of the forest ecosystems. Pinus tabuliformis has been widely planted for local ecological restoration on the Loess Plateau in China in recent decades. However, these plantations have been degraded to different degrees with increasing stand age. Hence, we tried to find the possible causes for the plantation degradation by analyzing soil environmental changes and soil fungal community composition at different stand ages. We collected rhizosphere soil samples from young (10-year-old), middle-aged (20-year-old), and near-mature (30-year-old) P. tabuliformis plantations in this region and characterized their soil properties and soil fungal community diversity and composition. Our results showed that with increasing stand age, the contents of organic carbon, ammonium nitrogen (AN) and nitrate nitrogen (NN) in the soil increased significantly, while the content of available phosphorus (AP) decreased significantly. The main factors affecting the composition of the soil fungal community were the contents of AP, AN, and NN in the soil. In addition, the genus Suillus was the dominant ectomycorrhizal (ECM) fungus in all periods of P. tabuliformis plantations in this region. The results of structural equation modeling showed that the community composition of ECM fungi was significantly correlated with stand age, soil NN, and AP contents, and that of pathogenic (PAG) fungi was significantly correlated with soil AN and AP contents. The decrease in the relative abundance of ECM fungi and the increase in the relative abundance of PAG fungi would exacerbate the degradation of P. tabulaeformis plantation. Our results illustrated that the content of soil AP is not only an important factor limiting the development of plantations, but it also significantly affects the community composition of soil fungi in the rhizosphere of the P. tabuliformis plantation. This study provides a novel insight into the degradation of P. tabuliformis plantations and builds a solid foundation for their subsequent management, restoration, and sustainable development on the Loess Plateau of China. Full article
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