Metabolic Response of Peach Fruit to Invasive Brown Marmorated Stink Bug ( Halyomorpha halys Stål.)'s Infestation

The brown marmorated stink bug (BMSB; Stål.) is a highly destructive and polyphagous invasive pest that poses a serious threat to more than a hundred reported host plants. In the current study, the metabolic response of peach fruit of two cultivars-'Maria Marta' and 'Redhaven'-to...

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Published in:International journal of molecular sciences 2024-01, Vol.25 (1), p.606
Main Authors: Gacnik, Sasa, Rusjan, Denis, Mikulic-Petkovsek, Maja
Format: Article
Language:English
Subjects:
Acids
Analysis
Animals
Bioflavonoids
Chromatography, High Pressure Liquid
Coumaric Acids
Cultivars
Flavones
Flavonoids
Fruit
Fruits
Heteroptera
High performance liquid chromatography
induced resistance
Mass spectrometry
Metabolites
Pentatomidae
Phenols
phenylpropanoid pathway
plant defence
Prunus persica
Prunus persica (L.) Batsch
Scientific equipment and supplies industry
Stink bugs
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Summary:The brown marmorated stink bug (BMSB; Stål.) is a highly destructive and polyphagous invasive pest that poses a serious threat to more than a hundred reported host plants. In the current study, the metabolic response of peach fruit of two cultivars-'Maria Marta' and 'Redhaven'-to BMSB infestation was studied using high-performance liquid chromatography (HPLC) and mass spectrometry (MS). In general, a strong phenolic response to BMSB infestation in peach flesh in the injury zone was observed, with flavanol content increasing by 2.4-fold, hydroxycinnamic acid content by 5.0-fold, flavonol content by 3.2-fold, flavanone content by 11.3-fold, and dihydrochalcones content by 3.2-fold compared with the undamaged tissue in the cultivar 'Maria Marta'. The phenolic response in the 'Redhaven' cultivar was even stronger. Consequently, the total phenolic content in the injured flesh also increased, 3.3-fold in 'Maria Marta' and 6.9-fold in 'Redhaven', compared with the uninjured flesh. Infestation with BMSB induced the synthesis of cyanidin-3-glucoside, which is not normally present in peach flesh. In comparison, the phenolic response was lower in peach peel, especially in the cultivar 'Maria Marta'. The study showed that both peach cultivars reacted to BMSB infestation with an increase in phenolic content in the peach flesh, but in a limited area of injury.
ISSN:1422-0067
1661-6596
1422-0067
DOI:10.3390/ijms25010606