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Applied Sciences
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Advances in Soil Microbial Communities and Ecological Effects
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Advances in Soil Microbial Communities and Ecological Effects

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Ecology Science and Engineering".

Deadline for manuscript submissions: closed (10 May 2023) | Viewed by 2481

Special Issue Editor

Dr. Sanjay Kumar Jaiswal

E-Mail Website
Guest Editor
Department of Chemistry, Tshwane University of Technology, Arcadia Campus, Pretoria, South Africa
Interests: sustainable crop production; microbes’ resilience; microbial dynamics; plant species; edapho-climatic factors

Special Issue Information

Dear Colleagues,

We are pleased to announce that we are inviting submissions to this Special Issue, entitled “Advances in Soil Microbial Communities and Ecological Effects”. The plant rhizosphere is a hotspot of microbial diversity and activity, and represents a battleground for microbes. These microbes regulate the amount of organic carbon stored in soil, trace gases released to the atmosphere, and the provisioning of nutrients that are essential for plant productivity. Various edapho-climatic conditions and cropping systems affect soil microbial community composition and microbial ecological strategies, as well as traits such as microbial decomposition, carbon use efficiency, and trace gas efflux. Due to the differences in metabolite compositions, the rhizosphere microbial community structure is often shaped by plant species and/or genotype. The interaction between plants and their rhizosphere microbiomes can be beneficial, detrimental, or neutral. Consequently, plants can shape the structure of microbial communities in their rhizospheres by recruiting beneficial microbes that promote fitness and increase productivity.

In this Special Issue, we invite submissions exploring cutting-edge research and recent advances in the fields of soil microbial communities and their ecological effects.

Dr. Sanjay Kumar Jaiswal
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. Applied Sciences 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 2400 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

  • soil microbial communities
  • plant rhizosphere
  • edapho-climatic conditions
  • cropping systems

Published Papers (2 papers)

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Research

13 pages, 1776 KiB  
Article
Microbial Composition of Natural, Agricultural, and Technogenic Soils of Both Forest and Forest-Tundra of the Russian North
by Evgeny Abakumov, Aleksei Zverev, Evgeny Andronov and Timur Nizamutdinov
Appl. Sci. 2023, 13(15), 8981; https://doi.org/10.3390/app13158981 - 5 Aug 2023
Cited by 1 | Viewed by 963
Abstract
Technogenic processes and agrodevelopment of the soil cover lead to significant transformations of soil chemical and biological properties. New methods of soil microbiology, including next-generation sequencing, allows us to investigate soil microbial composition in detail, including the taxonomy and ecological functions of soil [...] Read more.
Technogenic processes and agrodevelopment of the soil cover lead to significant transformations of soil chemical and biological properties. New methods of soil microbiology, including next-generation sequencing, allows us to investigate soil microbial composition in detail, including the taxonomy and ecological functions of soil bacteria. This study presents data on the taxonomic diversity of mature and anthropogenically disturbed soils in various ecosystems of Russia. Natural soils in the southern taiga (Leningrad region and Novgorod region), northern taiga (Komi republic), forest-tundra, and tundra (Nadym city and Salekhard city) were investigated using next-generation sequencing (16S rDNA amplicon sequencing). In each natural bioclimatic zone, anthropogenically disturbed quarry soils or agriculturally transformed soils were also investigated. It was found that Proteobacteria, Actinobateriota, Acidobateriota, Bacteroidota, Chroloflexi, Planctomycetota, Verrucomicrobiota and Firmicutes phyla were dominant in natural soils, with minor differences between agrosoils and mature soils. In the soils of quarries, there were revealed processes of declining diversity of microbiome communities and the replacement of them by bacterial communities, different from natural and agrogenic soils. Thus, the microbial community is the most sensitive indicator of anthropogenic soil amendments and can serve to assess the success of soil self-restoration after human intervention. Full article
(This article belongs to the Special Issue Advances in Soil Microbial Communities and Ecological Effects)
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17 pages, 4218 KiB  
Article
Decontamination and Ecological Restoration Performance of a Bioretention Cell-Microbial Fuel Cell under Multiple-Antibiotics Stress
by Yuan Yan, Yajun Wang, Tianjing Chen, Hongwei Sun and Lijuan Cai
Appl. Sci. 2023, 13(4), 2320; https://doi.org/10.3390/app13042320 - 10 Feb 2023
Cited by 2 | Viewed by 1275
Abstract
Antibiotics are refractory pollutants that have been widely found in various environmental media such as soil and surface water. Existing sewage treatments perform poorly at preventing antibiotics in urban sewage from polluting natural environments. In this study, we designed a bioelectrically enhanced bioretention [...] Read more.
Antibiotics are refractory pollutants that have been widely found in various environmental media such as soil and surface water. Existing sewage treatments perform poorly at preventing antibiotics in urban sewage from polluting natural environments. In this study, we designed a bioelectrically enhanced bioretention cell system (bioretention cell-microbial fuel cell, BRC-MFC) that utilizes the unique structure of the BRC system to improve the removal of sewage antibiotics. This new system can efficiently remove antibiotics by using a synergy of plant absorption, filler adsorption, filler filtration and microbial degradation. To study the influences of multiple-antibiotics stress on the decontamination performance of BRC-MFC, ofloxacin (OFLX) and tetracycline (TC) were selected as target antibiotics, and five BRC-MFCs were built to treat sewage containing antibiotics of different concentrations. The concentrations of pollutant in the influent and effluent were measured and the pollutant removal performance of BRC-MFC was studied. The diversity of rhizosphere microorganisms and the abundance of denitrifying functional genes were analyzed. Experimental results showed that over 90% of OFLX and TC in each BRC-MFC were removed, with the removal rates positively correlating with the concentration of antibiotics. In addition, the removal rates of chemical oxygen demand (COD) in BRC-MFC were both over 90%, while the removal rate of total nitrogen (TN) was around 70%. Meanwhile, antibiotics could significantly improve the removal of ammonia nitrogen (NH4+-N, p < 0.01). The microbial richness decreased, and we found that combined antibiotic stress on microorganisms was stronger than single antibiotic stress. The abundance of denitrifying functional genes was reduced by antibiotic stress. The results of this study provide reference values for other projects focusing on removing various antibiotics from domestic sewage using BRC-MFC. Full article
(This article belongs to the Special Issue Advances in Soil Microbial Communities and Ecological Effects)
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