期刊
MARINE DRUGS
卷 19, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/md19040227
关键词
cyanobionts; diazotroph; secondary metabolites; animal interactions; prokaryotes; bioactive molecules; infochemicals
资金
- Antitumor Drugs and Vaccines from the Sea (ADViSE) project [PG/2018/0494374]
Cyanobacteria are a diverse group of bacteria capable of nitrogen fixation and production of bioactive molecules, forming symbiotic relationships with marine organisms that can significantly alter their physiological characteristics and induce the production of usually unexpressed bioactive molecules. These relationships have potential biotechnological value for pharmaceutical and nutraceutical applications.
Cyanobacteria are a diversified phylum of nitrogen-fixing, photo-oxygenic bacteria able to colonize a wide array of environments. In addition to their fundamental role as diazotrophs, they produce a plethora of bioactive molecules, often as secondary metabolites, exhibiting various biological and ecological functions to be further investigated. Among all the identified species, cyanobacteria are capable to embrace symbiotic relationships in marine environments with organisms such as protozoans, macroalgae, seagrasses, and sponges, up to ascidians and other invertebrates. These symbioses have been demonstrated to dramatically change the cyanobacteria physiology, inducing the production of usually unexpressed bioactive molecules. Indeed, metabolic changes in cyanobacteria engaged in a symbiotic relationship are triggered by an exchange of infochemicals and activate silenced pathways. Drug discovery studies demonstrated that those molecules have interesting biotechnological perspectives. In this review, we explore the cyanobacterial symbioses in marine environments, considering them not only as diazotrophs but taking into consideration exchanges of infochemicals as well and emphasizing both the chemical ecology of relationship and the candidate biotechnological value for pharmaceutical and nutraceutical applications.
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