Advances in Sustainable Environmental Biotechnology and Bioprocess Engineering for Pollution Control in Different Agroecosystems

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Ecosystem, Environment and Climate Change in Agriculture".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 454

Special Issue Editors


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Guest Editor
1. Institute of Sustainable Processes, University of Valladolid, 47011, Valladolid, Spain
2. Department of Chemical Engineering and Environmental Technology, University of Valladolid, Dr. Mergelina s/n., Valladolid 47011, Spain
Interests: environmental biotechnology; pesticides-containing wastewater treatment

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Guest Editor
Chemical Engineering Department, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4780000, Chile
Interests: pesticides; environmental biotechnology
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Special Issue Information

Dear Colleagues,

Environmental pollution poses significant challenges to agroecosystems, affecting productivity, biodiversity, and ecosystem health. Sustainable solutions are critical to addressing these challenges. Recent advances in environmental biotechnology and bioprocess engineering offer innovative approaches to pollution control, focusing on leveraging biological processes and systems to remediate contaminants (e.g., emerging contaminants) while minimizing environmental impact. These advancements include the development of bio-based and novel technologies, such as the use of microbial consortia and new insights into degradation pathways, wastewater treatment, and remediation techniques, tailored to specific agroecosystem contexts. The journal Agriculture proposes this Special Issue to showcase the latest high-quality research in this area. We welcome submissions of original articles, systematic reviews, and meta-analyses.

The following subtopics are welcome:

  • Bio-based technologies to reduce emerging contaminants (pesticides, antibiotics, among others) in agroecosystems;
  • Impact of emerging contaminants on soil and water health;
  • The role of integrating bioprocess in the reduction in environmental pollution in agroecosystems ;

Dr. Marcela Levio-Raiman
Prof. Dr. María Cristina Diez
Guest Editors

Manuscript Submission Information

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Keywords

  • environmental pollution
  • agroecosystems environmental biotechnology
  • bioprocess engineering
  • pollution control

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Published Papers (1 paper)

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Research

17 pages, 1068 KiB  
Article
Aspergillus oryzae Pellets as a Biotechnological Tool to Remove 2,4-D in Wastewater Set to Be Reused in Agricultural Ecosystems
by Karen Magnoli, Melisa Eglé Aluffi, Nicolás Benito, Carina Elizabeth Magnoli and Carla Lorena Barberis
Agriculture 2025, 15(17), 1795; https://doi.org/10.3390/agriculture15171795 - 22 Aug 2025
Viewed by 138
Abstract
Mismanagement of rural wastewater can lead to environmental contamination with the herbicide 2,4-dichlorophenoxyacetic acid (2,4-D). Fungi with bioremediating potential constitute a sustainable alternative to decontaminate such wastewater before its reuse. This study evaluated the ability of Aspergillus oryzae pellets to remove 2,4-D from [...] Read more.
Mismanagement of rural wastewater can lead to environmental contamination with the herbicide 2,4-dichlorophenoxyacetic acid (2,4-D). Fungi with bioremediating potential constitute a sustainable alternative to decontaminate such wastewater before its reuse. This study evaluated the ability of Aspergillus oryzae pellets to remove 2,4-D from natural and sterile rural wastewater (i.e., with/without native microbiota). The pellets were produced by incubating conidial solutions of A. oryzae strains RCA2, RCA4, RCA5, and RCA10 in synthetic wastewater for 21 days at 25 °C. The wastewater samples were characterized physicochemically and microbiologically upon arrival at the laboratory. Afterwards, they were supplemented with 1, 2.5, or 5 mmol L−1 of 2,4-D and inoculated with the pellets. Physicochemical characterization was repeated throughout the experiment. Herbicide removal and the presence of 2,4-D degradation intermediate, 2,4-dichlorophenol (2,4-DCP), were assessed through high-pressure liquid chromatography with UV/Vis detection (HPLC-UV) and mass spectrometry. At the beginning of the assay, the macro- and micronutrient content in the samples were suitable to sustain fungal growth. By the end, pH had increased and sodium and nitrate levels decreased in comparison with the control. RCA2, RCA4, and RCA10 removed over 80% of 2,4-D after 7 days of incubation, at the three herbicide concentrations tested. Moreover, wet fungal biomass had increased by the end of the assay. These findings demonstrate that RCA2, RCA4, and RCA10 can grow, form pellets, and remove 2,4-D in natural rural wastewater, which makes them potential candidates for bioremediation strategies aimed at improving the quality of water set to be reused. Full article
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