Impact of UV-C irradiation on the growth and antioxidant responses in Tribolium castaneum

IF 2.7 2区农林科学 Q1 ENTOMOLOGY

Journal of Stored Products Research Pub Date : 2025-03-27 DOI:10.1016/j.jspr.2025.102636

Yunlong Wu , Shiyuan Miao , Heyun Sun , Miao Wang , Yonglin Ren , Lei Wang , Yujie Lu

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Abstract

This study investigated the effects of UV-C irradiation on the mortality, reproduction, wing morphology, and antioxidant responses of Tribolium castaneum, an important pest in stored products. Observations made 10 days after irradiation revealed that eggs exposed to 15 min of irradiation exhibited a 100 % mortality. Larvae required 120 min of irradiation to reach a 100 % mortality rate, while pupae exposed for 60 min resulted in a 100 % mortality. However, no significant increase in mortality was observed among adults subjected to different irradiation durations, although their reproductive capacity appeared to be impacted. Morphological analysis revealed wing deformities and abnormal venation in irradiated pupae, associated with the dysregulation of critical wing development genes, including Sob, vg, and Cht-7. Furthermore, UV-C exposure boosted the activities of antioxidant enzymes, such as superoxide dismutase (SOD) and peroxidase (POD), alleviating oxidative stress. These findings highlighted the effects of UV-C irradiation on insect physiology, offering a theoretical basis for its use in sustainable pest management strategies.

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来源期刊

Journal of Stored Products Research 生物-昆虫学

CiteScore

5.70

自引率

18.50%

发文量

112

审稿时长

45 days

期刊介绍： The Journal of Stored Products Research provides an international medium for the publication of both reviews and original results from laboratory and field studies on the preservation and safety of stored products, notably food stocks, covering storage-related problems from the producer through the supply chain to the consumer. Stored products are characterised by having relatively low moisture content and include raw and semi-processed foods, animal feedstuffs, and a range of other durable items, including materials such as clothing or museum artefacts.