Published in Scientific Bulletin. Series F. Biotechnologies, Vol. XXVI, Issue 1
Written by Lavinia-Diana-Nicoleta BARBU, Oana-Alina BOIU-SICUIA, Călina Petruța CORNEA, Narcisa BĂBEANU
Functional foods are gaining popularity among consumers because they contain biologically active compounds involved in human health and wellness. Although some plant species are already known for their beneficial properties if properly consumed, certain cultivation technologies can increase their content of bioactive compounds. For this purpose, plant probiotics could be applied as biostimulants, which are approved in organic agriculture. Plant probiotics are beneficial microorganisms that can be found in the rhizosphere, or as endophytes. They can be applied as single strains or as consortia. These beneficial microorganisms could increase the production of biologic active compounds in their host plants, such as: flavonoids, organic acids, phenols, tannins, and vitamins. This review focuses on various plant probiotics and their role in the bioactive compounds synthesis in their hosts. Among plant probiotics mediating bioactive compounds synthesis in plants are mentioned Azospirillum, Azotobacter, Bacillus, Phyllobacterium, Pseudomonas, Rhizobium and several other genera of plant beneficial microorganisms.
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