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High-Sucrose Diet Exposure on Larvae Contributes to Adult Fecundity and Insecticide Tolerance in the Oriental Fruit Fly, (Hendel). | LitMetric

High-Sucrose Diet Exposure on Larvae Contributes to Adult Fecundity and Insecticide Tolerance in the Oriental Fruit Fly, (Hendel).

Insects

Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing 400715, China.

Published: April 2023

AI Article Synopsis

  • The study investigates how different levels of dietary sucrose affect the life history traits and stress tolerance of the oriental fruit fly (Diptera: Tephritidae), a significant pest in tropical regions.
  • Low-sucrose diets led to smaller body size, faster development, and increased sensitivity to pesticides, while high-sucrose diets resulted in longer development times, higher reproduction, and greater pesticide resistance.
  • Transcriptome analysis revealed that significant changes in gene expression related to metabolism, hormone signaling, and immune responses occurred in flies fed different sucrose diets, providing insights into their adaptability.

Article Abstract

(Hendel) (Diptera: Tephritidae) is one of the broad host ranges and economically-important insect pests in tropical and subtropical areas. A wide range of hosts means they have strong adaptation ability to changes in dietary macronutrients (e.g., sucrose and protein). However, the effects of dietary conditions on the phenotypes and genotypes of are still unclear. In this study, we aimed to investigate the effects of larval dietary sucrose on the life history traits and stress tolerance of , and its defense response at the molecular level. The results showed that low-sucrose (LS) induced decreased body size, shortened developmental duration, and enhanced sensitivity to beta-cypermethrin. Otherwise, high-sucrose (HS) diet increased developmental duration, adult fecundity, and tolerance to malathion. Based on transcriptome data, 258 and 904 differentially expressed genes (DEGs) were identified in the NS (control) versus LS groups, and NS versus HS groups, respectively. These yielded DEGs were relevant to multiple specific metabolisms, hormone synthesis and signaling, and immune-related pathways. Our study will provide biological and molecular perspective to understand phenotypic adjustments to diets and the strong host adaptability in oriental fruit flies.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10231089PMC
http://dx.doi.org/10.3390/insects14050407DOI Listing

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