Bacterial tolerance and detoxification of cyanide, arsenic and heavy metals: Holistic approaches applied to bioremediation of industrial complex wastes,Microbial Biotechnology

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Bacterial tolerance and detoxification of cyanide, arsenic and heavy metals: Holistic approaches applied to bioremediation of industrial complex wastes
Microbial Biotechnology ( IF 4.8 ) Pub Date : 2024-01-11 , DOI: 10.1111/1751-7915.14399
Alfonso Olaya-Abril ₁ , Karolina Biełło ₁ , Gema Rodríguez-Caballero ₁ , Purificación Cabello ₂ , Lara P Sáez ₁ , Conrado Moreno-Vivián ₁ , Víctor Manuel Luque-Almagro ₁ , María Dolores Roldán ₁

Affiliation

Cyanide is a highly toxic compound that is found in wastewaters generated from different industrial activities, such as mining or jewellery. These residues usually contain high concentrations of other toxic pollutants like arsenic and heavy metals that may form different complexes with cyanide. To develop bioremediation strategies, it is necessary to know the metabolic processes involved in the tolerance and detoxification of these pollutants, but most of the current studies are focused on the characterization of the microbial responses to each one of these environmental hazards individually, and the effect of co-contaminated wastes on microbial metabolism has been hardly addressed. This work summarizes the main strategies developed by bacteria to alleviate the effects of cyanide, arsenic and heavy metals, analysing interactions among these toxic chemicals. Additionally, it is discussed the role of systems biology and synthetic biology as tools for the development of bioremediation strategies of complex industrial wastes and co-contaminated sites, emphasizing the importance and progress derived from meta-omic studies.

中文翻译：

氰化物、砷和重金属的细菌耐受性和解毒：应用于工业复杂废物生物修复的整体方法

氰化物是一种剧毒化合物，存在于采矿或珠宝等不同工业活动产生的废水中。这些残留物通常含有高浓度的其他有毒污染物，例如砷和重金属，可能与氰化物形成不同的络合物。为了制定生物修复策略，有必要了解这些污染物的耐受和解毒所涉及的代谢过程，但目前的大多数研究都集中在微生物对每一种环境危害的单独反应的特征以及效果上。共同污染的废物对微生物代谢的影响几乎没有得到解决。这项工作总结了细菌为减轻氰化物、砷和重金属影响而开发的主要策略，分析了这些有毒化学物质之间的相互作用。此外，还讨论了系统生物学和合成生物学作为开发复杂工业废物和共同污染场地生物修复策略的工具的作用，强调了元组学研究的重要性和进展。

更新日期：2024-01-11

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