Journal
MICROORGANISMS
Volume 9, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/microorganisms9040774
Keywords
acylhomoserine lactones; biocontrol agents; growth promoters; plant health; quorum sensing; strigolactones
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Funding
- Konkuk University
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Quorum sensing (QS) activities operate at high cell densities through specific chemical signals, with acylhomoserine lactones being the most widely reported in Gram-negative bacteria. A novel QS-like system involving strigolactones has been elucidated for communication between microbes and plants, regulating important bioprocesses that influence the health of plants, animals, and humans. This mini-review discusses recent developments in QS and QS-like signal molecules in promoting plant health.
Microbes operate their metabolic activities at a unicellular level. However, it has been revealed that a few metabolic activities only prove beneficial to microbes if operated at high cell densities. These cell density-dependent activities termed quorum sensing (QS) operate through specific chemical signals. In Gram-negative bacteria, the most widely reported QS signals are acylhomoserine lactones. In contrast, a novel QS-like system has been elucidated, regulating communication between microbes and plants through strigolactones. These systems regulate bioprocesses, which affect the health of plants, animals, and human beings. This mini-review presents recent developments in the QS and QS-like signal molecules in promoting plant health.
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