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Review
. 2022 Apr;46(4):523-534.
doi: 10.1002/cbin.11749. Epub 2021 Dec 30.

Molecular mechanisms of N-acyl homoserine lactone signals perception by plants

Lidia M Babenko  1 , Iryna V Kosakivska  1 , Кateryna О Romanenko  1
Affiliations
Review

Molecular mechanisms of N-acyl homoserine lactone signals perception by plants

Lidia M Babenko et al. Cell Biol Int. 2022 Apr.

Abstract

N-acyl homoserine lactones (AHLs) belong to the class of bacterial quorum sensing signal molecules involved in distance signal transduction between Gram-negative bacteria colonizers of the rhizosphere, as well as bacteria and plants. AHLs synchronize the activity of genes from individual cells, allowing the bacterial population to act as a multicellular organism, and establish a symbiotic or antagonistic relationship with the host plant. Although the effect of AHLs on plants has been studied for more than ten years, the mechanisms of plant perception of AHL signals are not fully understood. The specificity of the reactions caused by AHL indicates the existence of appropriate mechanisms for their perception by plants. In the current review, we summarize available data on the molecular mechanisms of AHL-signal perception in plants, its effect on plant growth, development, and stress resistance. We describe the latest research demonstrating direct (on plants) and indirect (on rhizosphere microflora) effects of AHLs, as well as the prospects of using these compounds in biotechnology to increase plant resistance to biotic and abiotic stresses.

Keywords: AHL-priming; acyl homoserinе lactones; plant-microbial signaling; quorum quenching; quorum sensing; stress resistance.

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References

REFERENCES

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