Antifeedant Activity of Caesalpinia coriaria Essential Oil Against Incisitermes marginipennis (Latreille)

This study scrutinized the possibility of finding toxicant or deterrent plant metabolites against the dry wood termite Incisitermes marginipennis (Latreille). Plant deterrent agents act as repellents or antifeedants to prevent wood decay and increase its useful life. The potential of the tree Caesal...

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Bibliographic Details
Published in:Phyton (Buenos Aires) 2021, Vol.90 (3), p.907-920
Main Authors: B. Ram韗ez-L髉ez, Cesar, Beltr醤-S醤chez, Rita, Hern醤dez-Izquierdo, Alistair, SalvadorHern醤dez, Jos Luis, Salcedo-P閞ez, Eduardo, E. del R韔, Rosa, M. Mart韓ez Pacheco, Mauro
Format: Article
Language:eng ; fre ; ger ; ita ; por ; spa
Subjects:
Acetylcholinesterase
Amino acids
Antifeedants
Body weight
Caesalpinia coriaria
Citronellol
Drying oils
Essential oils
Fractionation
Gas chromatography
Incisitermes marginipennis
Leaves
Mass spectrometry
Mass spectroscopy
Metabolites
Oils & fats
Repellency
Repellents
Terpenes
Toxicants
Tryptophan
Tyrosine
Wood
Wood products
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Summary:This study scrutinized the possibility of finding toxicant or deterrent plant metabolites against the dry wood termite Incisitermes marginipennis (Latreille). Plant deterrent agents act as repellents or antifeedants to prevent wood decay and increase its useful life. The potential of the tree Caesalpinia coriaria (Fabaceae) as a biological source of molecules with deterrent effects against the dry wood termite was assessed by a phytochemical fractionation guided by repellence and antifeedant activities. The gas chromatography-mass spectrometry analysis of the leaf essential oil showed geraniol to be one of the major components and its repellent and antifeedant effects were determined. Geraniol had only an antifeedant effect without affecting the body weight or survival of the dry wood termite. Unlike the leaf essential oil, geraniol did not exhibit a repellency effect. An in-silico approach of the activity of acetylcholinesterase in interaction with geraniol resulted in an affinity energy of −7.5 Kcal/mol. Geraniol interacted with the amino acid tyrosine 324 located in the enzyme’s active site while citronellol (negative control) interacted with tryptophan 83 located adjacent to the active site. These deterring terpenes have not been implemented for the preservation and restoration of wood products exposed to the attack of the dry wood termite. However, they are an important natural control alternative.
ISSN:1851-5657
0031-9457
1851-5657
DOI:10.32604/phyton.2021.013775