期刊
ENVIRONMENTAL SCIENCES EUROPE
卷 32, 期 1, 页码 -出版社
SPRINGER
DOI: 10.1186/s12302-020-00329-2
关键词
Environmental pollution; Motility; Chemoreceptor; Ligand-binding domain; Signaling domain
资金
- National Key R&D Program of China [2018YFE0107100]
- National Natural Science Foundation of China [31772529]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
Worldwide industrial development has released hazardous polycyclic aromatic compounds into the environment. These pollutants need to be removed to improve the quality of the environment. Chemotaxis mechanism has increased the bioavailability of these hydrophobic compounds to microorganisms. The mechanism, however, is poorly understood at the ligand and chemoreceptor interface. Literature is unable to furnish a compiled review of already published data on up-to-date research on molecular aspects of chemotaxis mechanism, ligand and receptor-binding mechanism, and downstream signaling machinery. Moreover, chemotaxis-linked biodegradation of aromatic compounds is required to understand the chemotaxis role in biodegradation better. To fill this knowledge gap, the current review is an attempt to cover PAHs occurrence, chemical composition, and potential posed risks to humankind. The review will cover the aspects of microbial signaling mechanism, the structural diversity of methyl-accepting chemotaxis proteins at the molecular level, discuss chemotaxis mechanism role in biodegradation of aromatic compounds in model bacterial genera, and finally conclude with the potential of bacterial chemotaxis for aromatics biodegradation.
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