期刊
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES
卷 21, 期 1, 页码 101-111出版社
SPRINGERNATURE
DOI: 10.1007/s43630-021-00116-9
关键词
Heavy metals; Purple bacteria; Metal ions removal; Environmental monitoring; Biohybrid systems; Photobioelectrochemistry; Bioremediation
资金
- Fondazione CON IL SUD [2018-PDR- 00914]
- PON Energy [ARS01_00637]
Research on the interactions between photosynthetic purple non-sulfur bacteria and metal ions has revealed their ability to absorb and remove various toxic ions, making them applicable in environmental remediation. These findings offer new possibilities for the treatment of metal-contaminated environments.
Photosynthetic purple non-sulfur bacteria (PNB) have been widely utilized as model organisms to study bacterial photosynthesis. More recently, the remarkable resistance of these microorganisms to several metals ions called particular interest. As a result, several research efforts were directed toward clarifying the interactions of metal ions with PNB. The mechanisms of metal ions active uptake and bioabsorption have been studied in detail, unveiling that PNB enable harvesting and removing various toxic ions, thus fostering applications in environmental remediation. Herein, we present the most important achievements in the understanding of intact cell-metal ions interactions and the approaches utilized to study such processes. Following, the application of PNB-metal ions interactions toward metal removal from contaminated environments is presented. Finally, the possible coupling of PNB with abiotic electrodes to obtain biohybrid electrochemical systems is proposed as a sustainable pathway to tune and enhance metal removal and monitoring. [GRAPHICS]
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