Soil and Water Microbiomes: Advances and Present Challenges in Soil Bioremediation

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Farming Sustainability".

Deadline for manuscript submissions: closed (1 May 2025) | Viewed by 2527

Special Issue Editors


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Guest Editor
Department of Structural, Molecular Biology and Genetics, Ponta Grossa State University, Ponta Grossa 84030-900, Brazil
Interests: bacterial response mechanisms to environmental stress

E-Mail Website
Guest Editor
Department of Structural, Molecular Biology and Genetics, Ponta Grossa State University, Ponta Grossa 84030-900, Brazil
Interests: bacterial response mechanisms to environmental stress

Special Issue Information

Dear Colleagues,

Agronomy aims to increase productivity by using pesticides, but this leads to the pollution of agricultural soils, river systems, and groundwater. This pollution disrupts the structure and function of microorganisms. Pesticides can impact soil and water microbiomes, potentially causing changes in microbial processes associated with pesticide tolerance and degradation. These characteristics can be utilized in bioremediation by individual strains or consortia of microorganisms. This Special Issue aims to explore innovative approaches to improving the safety and efficiency of bioremediation processes for pesticides in agricultural soils. We are interested in articles examining the response of microorganisms to pesticides and their potential application in bioremediation processes. This includes papers studying bacterial consortia, selected strains, and genetically modified strains. We will give priority to articles that investigate genetic and metabolic mechanisms, especially those utilizing omics approaches to do so.

Prof. Dr. Marcos Pileggi
Dr. Luiz Ricardo Olchanheski
Guest Editors

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Keywords

  • environmental microbiology
  • analytical chemistry
  • DNA analyses
  • metabolic pathways
  • cell communication
  • xenobiotics biodegradation
  • microorganism genomes
  • quorum sensing
  • quorum quenching
  • metabolomics

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Published Papers (1 paper)

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Research

16 pages, 9974 KiB  
Article
Identification and Antagonistic Potential of Bacillus atrophaeus against Wheat Crown Rot Caused by Fusarium pseudograminearum
by Shengzhi Guo, Arneeb Tariq, Jun Liao, Aowei Yang, Xinyan Jiang, Yanling Yin, Yuan Shi, Changfu Li, Junfeng Pan, Dejun Han and Xihui Shen
Agronomy 2024, 14(9), 2135; https://doi.org/10.3390/agronomy14092135 - 19 Sep 2024
Cited by 1 | Viewed by 1762
Abstract
Fusarium pseudograminearum (Fpg) is a significant pathogen responsible for fusarium crown rot (FCR) in wheat (Triticum aestivum L.), a disease with devastating impacts on crop yield. The utilization of biocontrol bacteria to combat fungal diseases in plants is a cost-effective, [...] Read more.
Fusarium pseudograminearum (Fpg) is a significant pathogen responsible for fusarium crown rot (FCR) in wheat (Triticum aestivum L.), a disease with devastating impacts on crop yield. The utilization of biocontrol bacteria to combat fungal diseases in plants is a cost-effective, eco-friendly, and sustainable strategy. In this trial, an endophytic bacterial species, designated as SW, was isolated from the roots of wheat. The strain exhibited potent antagonistic effects against Fpg and reduced the FCR disease severity index by 76.07 ± 0.33% in a greenhouse pot trial. Here, 106 colony-forming units (CFUs)/mL of the SW strain was determined to be the minimum dose required to exhibit the antagonism against Fpg. The strain was identified as Bacillus atrophaeus using genome sequencing and comparison with type strains in the NCBI database. Whole-genome sequencing analysis revealed that SW harbors genes for siderophores, antifungal metabolites, and antibiotics, which are key contributors to its antagonistic activity. Additionally, the strain’s ability to utilize various carbon and nitrogen sources, successfully colonize wheat root tissues as an endophyte, and form biofilms are critical attributes for promoting plant growth. In summary, these findings demonstrate the ability of Bacillus atrophaeus to control FCR disease in wheat in a sustainable agricultural setting. Full article
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