Effects of Plant-Microbe Interactions on Phyto- and Bio-Remediation Capacity

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: closed (10 December 2023) | Viewed by 2252

Special Issue Editors

Department of Botany, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
Interests: phytomicrobial interactions; bioremediation of polluted environment; adaptive evolution of plant and microbial communities
Special Issues, Collections and Topics in MDPI journals
Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
Interests: synthesis of microbiomes; environmental microorganisms; microbiome–plant interactions; microbial secondary metabolites
Special Issues, Collections and Topics in MDPI journals
Department of Botany, College of Life Sciences, Nanjing Agricultural University, Ministry of Agriculture and Rural Affairs, Nanjing 210095, China
Interests: phytoremediation; mycorrhiza ecology; heavy metal; microplastic; vegetation restoration

Special Issue Information

Dear Colleagues,

In recent years, plants and microorganisms have been increasingly synergistically applied in phyto- and bio-remediation. Microorganisms (bacteria and fungi) are able to directly degrade pollutants, improve plant nutrition, reduce plant stress, and promote the extraction or degradation of pollutants by plants. Root exudates also have serious effects on the microorganisms of the rhizosphere, which can promote colonization and the growth of plant growth-promoting or contaminant-degrading microbes during bioremediation. However, taking plant-beneficial microorganisms from discovery to bio-remediation remains challenging, as the effects and mechanisms underlying the interactions between beneficial strains and plants in native soils are still largely unknown.

This Special Issue aims to highlight the effect of plant–microbe (bacteria and fungi) interactions in phyto- and bio-remediation, and focuses on plant and microbial synergies. This issue will fully embrace inter- and trans-disciplinary studies from multiple disciplines (e.g., agricultural sciences, environmental sciences, and ecology), as well as those incorporating other knowledge systems (e.g., synthetic biology) in the co-construction of knowledge for plant–microbe interactions. We encourage studies on the isolation and characterization of bacteria, fungi and endophytes with plant growth-promoting features; the design of a synthetic microbiome to improve the efficiency of bioremediation; and the effects of soil pollutants and root exudates on rhizosphere microorganisms. Studies assessing the physiological and molecular mechanisms of plant–microbial interactions in bioremediation are also welcome. This Special Issue invites all types of articles, applying qualitative, quantitative, or mixed methodologies, as well as both empirical primary research and reviews, along with commentaries.

Dr. Chen Chen
Dr. Xihui Xu
Dr. Liang Shi
Guest Editors

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Keywords

  • bio-remediation
  • organic or inorganic pollutants
  • plant–microbe interaction
  • PGPR
  • synthetic microbiome
  • rhizosphere microbiome
  • amplicon or metagenome sequencing

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Published Papers (1 paper)

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Research

18 pages, 10064 KiB  
Article
Fate of Copper in Saline–Alkali Soil with Long-Term Application of Biogas Residue
by Binhao Liu, Shengxiao Wang, Pengcheng Dong, Xinzhe Zhang, Long Zhang, Chen Chen, Xihui Xu, Yan Xia, Zhenguo Shen, Liang Shi and Yahua Chen
Agriculture 2023, 13(4), 915; https://doi.org/10.3390/agriculture13040915 - 21 Apr 2023
Viewed by 1798
Abstract
The retention of copper (Cu) in saline–alkali soil (SAS) during long-term application of biogas residue (BR) with a high concentration of Cu raises concerns. In this work, the fate of Cu was detected using adsorption isotherms, scanning electron microscope—energy dispersive spectrometer, Fourier transform [...] Read more.
The retention of copper (Cu) in saline–alkali soil (SAS) during long-term application of biogas residue (BR) with a high concentration of Cu raises concerns. In this work, the fate of Cu was detected using adsorption isotherms, scanning electron microscope—energy dispersive spectrometer, Fourier transform infrared spectrometer, X-ray diffraction, isothermal titration calorimetry, X-ray photoelectron spectroscopy, and microzone X-ray fluorescence spectrometer. The results showed that the main groups for Cu adsorption by SAS and BR were carboxyl, hydroxyl, amide and amine. The adsorption of Cu by the carboxyl group was entropy–enthalpy co-driven (|ΔH| < |TΔS|, ΔH < 0). The adsorption of Cu by the amine group was entropy-driven (|ΔH| > |TΔS|, ΔH > 0). The adsorption of Cu on the SAS and BR was achieved by organic matter rather than minerals. The degradation of BR in the SAS increases the content of Cu adsorption groups such as carboxyl and amine groups, and Cu was adsorbed on the surface or inside SAS through organic groups. This study provides further theoretical support for the application of BR in SAS. Full article
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