Methyl Esters of (E)-Cinnamic Acid: Activity against the Plant- Parasitic Nematode Meloidogyne incognita and In Silico Interaction with Histone Deacetylase
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY(2022)
摘要
Y (E)-Cinnamaldehyde is very active against Meloidogyne incognita but has low persistence in soil. To circumvent this problem, esters of cinnamic acid were evaluated as a substitute for (E)-cinnamaldehyde. The best results under assays with M. incognita second-stage juveniles (J2) were obtained for the methyl esters of (E)-p-fluoro- (13), (E)-p-chloro- (14), and (E)-p-bromocinnamic acid (15), which showed lethal concentrations to 50% (LC50) J2 of 168, 95, and 216 mu g/mL, respectively. Under the same conditions, the LC50 values for the nematicides carbofuran and fluensulfone were 160 and 34 mu g/mL, respectively. Substances 13-15 were also active against nematode eggs, which account for most of the M. incognita population in the field. According to an in silico study, substances 13-15 can act against the nematode through inhibition of histone deacetylase. Therefore, esters 13-15 and histone deacetylase are potentially useful for the rational design of new nematicides for the control of M. incognita.
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关键词
Meloidogyne incognita,histone deacetylase,(E)-cinnamic acid,docking
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