Efficient Microorganisms for Biotreatment and Bioremediation

A Special Issue of Microorganisms (ISSN 2076-2607) belonging to the section "Microbial Biotechnology".

Deadline for manuscript submissions: 31 December 2026 | Viewed by 243

Editor


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Guest Editor
School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
Interests: bioremediation; microbial degradation; microbial interaction; bioaugmentation; biotreatment of waste water

Special Issue Information

Dear Colleagues,

In the global pursuit of carbon neutrality, using microorganisms to remove environmental pollutants represents a key pathway to reducing carbon emissions and saving energy. This requires not only expanding microbial treatment technologies as an alternative to some energy-intensive physicochemical processes but also further improving the efficiency of microbial treatment methods, and, even better, achieving resource recovery and energy generation benefits. These advances are inseparable from an expanded understanding of the physiological, biochemical, and molecular mechanisms underlying microbial pollutant removal.

This Special Issue covers a broad range of topics on microbial treatment of pollutants that (potentially) contribute to saving energy and reducing greenhouse gas emissions. You are invited to submit manuscripts (original articles, as well as critical reviews) focusing on the physiological and biochemical properties of efficient microorganisms, as well as the molecular mechanisms involved in pollutant removal.

Prof. Dr. Li Li
Guest Editor

Manuscript Submission Information

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Keywords

  • microbial treatment
  • pollutant removal
  • efficiency improvement
  • energy conservation
  • resource recovery

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Published Papers (1 paper)

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Research

14 pages, 2980 KB  
Article
Efficient Cadmium-Tolerant Phosphate-Solubilizing Bacteria Loaded on Bone-Derived Biochar Effectively Alleviated Cadmium Pollution and Phosphorus Deficiency in Brassica napus L. Plantation
by Zhilian Gong, Xiao Zhang, Zhengyan Chou, Lingshan Li, Xuejiao Chen, Yong Li, Lin Wan, Zhipeng Xie, Jinrui Zhang, Haocheng Wang and Ziyuan Qiu
Microorganisms 2026, 14(9), 2072; https://doi.org/10.3390/microorganisms14092072 - 16 Sep 2026
Viewed by 33
Abstract
Both cadmium (Cd) contamination and phosphorus deficiency pose major constraints to sustainable crop production. This study loaded highly efficient Cd-tolerant phosphate-solubilizing bacteria (CdTPSB) onto calcium- and phosphorus-rich pig bone biochar (PBB) to construct a functional composite (MPBB), which was subsequently applied in a [...] Read more.
Both cadmium (Cd) contamination and phosphorus deficiency pose major constraints to sustainable crop production. This study loaded highly efficient Cd-tolerant phosphate-solubilizing bacteria (CdTPSB) onto calcium- and phosphorus-rich pig bone biochar (PBB) to construct a functional composite (MPBB), which was subsequently applied in a Brassica napus L. pot experiment. The results revealed that the CdTPSB possessed strong capabilities in phosphate solubilization (383.67–520.19 mg L−1), Cd immobilization (64.67–66.67%), IAA production (113.24–114.27 μg mL−1), and siderophore activity (65.02–89.08%). Batch experiments further showed that MPBB’s efficiencies in phosphate solubilization and Cd immobilization were significantly enhanced, which was putatively attributable to improved CdTPSB colonization and viability as well as to the activation of PBB functional groups. In the pot experiment, relative to the control treatment, MPBB significantly decreased the soil diethylenetriaminepentaacetic acid-extractable Cd content by 50.47% while increasing the soil labile phosphorus content by 3.32 times (p ≤ 0.05). This was correlated with the enrichment of Cd-immobilizing and phosphate-solubilizing bacteria, the upregulation of phosphate-solubilizing functional genes (pqqC and phoD), and enhanced soil enzyme activity. Consequently, Cd content in the shoots of Brassica napus L. was further decreased by 74.00%, which was correlated with increased polysaccharide content and enhanced Cd retention in root cell walls. Overall, this study highlighted MPBB’s potential as an eco-friendly Cd remediation agent and phosphate fertilizer to support the sustainable production of Brassica napus L. Full article
(This article belongs to the Special Issue Efficient Microorganisms for Biotreatment and Bioremediation)
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