“Effect of Thyme oil on Quorum Sensing system of bacterial angular spot on the cotton "Xanthomonas citri subsp. malvacearum”

Abstract

In this study, which was conducted at the Faculty of Agricultural Engineering - Damascus University - during the year 2023- 2024, the effect of thyme oil (THY) in suppressing bacterial communications in Xcm bacteria was studied. The results showed a significant decrease in both motility, production of proteases, Exopolysaccrides, and biofilm formation in bacteria treated with 0.25 and 0.5 mg/mL of extracted thyme oil. However, no effect observed on

the bacterial growth of bacterial cells, and thus the results indicate the ability of thyme oil to the extract works as anti-QS by influencing the action of DSF family signals of Xcm bacteria, which led to a decrease in the pathogenicity capabilities of the studied bacteria.