Abstract
Rapid industrial and societal developments have led to substantial increases in the use and exploitation of petroleum, and petroleum hydrocarbon pollution has become a serious threat to human health and the environment. Polycyclic aromatic hydrocarbons (PAHs) are primary components of petroleum hydrocarbons. In recent years, microbial remediation of PAHs pollution has been regarded as the most promising and cost-effective treatment measure because of its low cost, robust efficacy, and lack of secondary pollution. Rhodococcus bacteria are regarded as one of main microorganisms that can effectively degrade PAHs because of their wide distribution, broad degradation spectrum, and network-like evolution of degradation gene clusters. In this review, we focus on the biological characteristics of Rhodococcus; current trends in PAHs degradation based on knowledge maps; and the cellular structural, biochemical, and enzymatic basis of degradation mechanisms, along with whole genome and transcriptional regulation. These research advances provide clues for the prospects of Rhodococcus-based applications in environmental protection.
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All data was collected from NCBI database and WoSCC database; data can be provided on request.
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Funding
This work was financially supported by the National Natural Science Foundation of China (Grant No. 31760028 and No. 4226070032), the Natural Science Foundation of Gansu Province, China (Grant No. 21JR11RA108), the University Innovation Fund Project of Gansu Provincial Department of Education (2021B-049), the Cuiying Scientific and Technological Innovation Program of Lanzhou University Second Hospital (Grant No.2020QN-02), and the Cuiying Student Research and Cultivation Project of Lanzhou University Second Hospital (CYXZ2021-20 and CYXZ2021-21).
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JM: writing—original draft, figures. YZ: writing—original draft, figures. YW: conceptualization, supervision, funding acquisition. NZ: formal analysis. TW: review, editing. HX: review, editing. JC: validation, funding acquisition.
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Ma, ., Zhuang, Y., Wang, Y. et al. Update on new trend and progress of the mechanism of polycyclic aromatic hydrocarbon biodegradation by Rhodococcus, based on the new understanding of relevant theories: a review. Environ Sci Pollut Res 30, 93345–93362 (2023). https://doi.org/10.1007/s11356-023-28894-y
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DOI: https://doi.org/10.1007/s11356-023-28894-y